Search Results — 2000 specimen records retrieved (1525 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA698310  Abies concolor J. Vlahos 1934-5-13 s.n. Los Angeles San Antonio Canyon. 2134 Comment
  UC1614068  Abronia Charles M. Belshaw 1935-3-29 484 Los Angeles ca. 20 mi. w. Lancaster (on s. face of La Liebre Scarp); West Antelope Valley, La Liebre Scarp Comment
  SD90292  Abronia maritima Robert F. Thorne 1970-3-6 39384 Los Angeles Santa Catalina Island; Ben Weston Beach (Mills Landing) 2 Comment
  UCD109628  Abronia maritima Kenneth A. Wilson 1961-3-12 1004 Los Angeles Zuma Beach. Comment
  RSA460953  Abronia pogonantha N. C. Cooper 1949-5-16 3656 Los Angeles Lancaster 718 Comment
  SD52834  Abronia umbellata Peter H. Raven 1962-4-11 17253 Los Angeles San Clemente Island; sandy beach due west of Wall 2. 10 Comment
  UCD109804  Abronia umbellata Daryl Koutnik 1978-4-28 423 Los Angeles Point Dume near Zuma Beach. 45 Comment
  NY679463  Abronia umbellata H. E. Hasse 1888-4-18 4119 Los Angeles At Long Beach. Comment
  POM123202  Abronia umbellata Marcus E. Jones 1900-7-12 6500 Los Angeles Long Beach. Comment
  RSA460991  Abronia umbellata L. E. Hoffman 1932-8-18 s.n. Los Angeles El Segundo. Comment
  CDA3991  Acacia cyclops T. S. Ross, J. M. Porter, Gary Allan, Vanessa E. T. M. Ashworth, D. L. Banks, M. Tommerup 1994-3-28 7425 Los Angeles Palos Verde Peninsula: Rancho Palos Verdes; un-named horseshoe-shaped canyon to the northeast of upper Forrestal Drive. Comment
  UCR90957  Acacia cyclops Scott D. White 1996-4-9 3882 Los Angeles Pacific Coast, Marina del Rey area, Ballona Creek floodplain and adjacent N-facing slope, west of Lincoln Blvd. and south of Jefferson Blvd 30 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
  SEINET4900043  Acacia retinodes B. Pitzer 1996-5-5 2856 Los Angeles Palos Verdes Peninsula: Palos Verdes Hills, San Pedro Naval Fuel Station. 409-451 m. Comment
  UCSB12555  Acalypha californica Huot, J. 1961-3-29 Los Angeles Cal Poly College, Pomona, San Dimas Canyon 365 Comment
  RSA786154  Acamptopappus sphaerocephalus var. hirtellus J. D. Olmsted 1959-4-25 486 Los Angeles 1 mile NNE of Valyermo P. O. along Holcomb ridge, east of Wrightwood-Pearblossom road. 1082 Comment
  SBBG62698  Acamptopappus sphaerocephalus var. hirtellus M. N. Ackley 1927-5-8 196 Los Angeles Little Rock foothills 914 Comment
  CAS-BOT-BC331561  Acer macrophyllum Carl Epling; Joseph Andorfer Ewan 1933-7-7 7844 Los Angeles Santa Monica Mts., Lower Topango Canyon Comment
  SEINET12766387  Acer macrophyllum K. Dobry 1991-5-2 585 Los Angeles Elsmere Canyon, West San Gabiel Mountains.; 0 Comment
  RSA639238  Achillea millefolium R. F. Thorne, M. Z. Thorne 1971-4-25 41351 Los Angeles San Gabriel Mountains: Johnson's Pasture north of Claremont. 609 Comment
  SBBG33524  Achnatherum hymenoides A. D. E. Elmer -Jun-1902 3617 Los Angeles Lancaster Comment
  SBBG57066  Achnatherum speciosum R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  SFV20831  Achnatherum speciosum L. Gross 2005-5-3 2221 Los Angeles San Gabriel Mountains West terminus of Holcomb Ridge, west of Big Rock Creek. Along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. 1085 Comment
  SBBG25226  Acmispon glaber Leota Davidson 1965-5-15 116 Los Angeles Elizabeth Cyn between Lake Hughes and Castiac Comment
  CHSC891  Acmispon glaber var. brevialatus E. Thomas 1940-2-21 Los Angeles Padua Hills near Claremont. Comment
  CHSC98049  Acmispon strigosus LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 693 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side, along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway .Area burned in Summer-Fall of 2002. 783 Comment
  SBBG32081  Acmispon strigosus R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -198 Los Angeles Middle Bullrush Cyn, Salta Verde Comment
  UCD104443  Acmispon strigosus L. W. Nuttall 1920-5-15 210 Los Angeles Along the Coach Road, Santa Catalina Island. Comment
  CAS-BOT-BC29208  Acourtia microcephala P. C. Everett; E. K. Balls 1959-6-29 23874 Los Angeles Stokes Canyon, Santa Monica Mountains 152 Comment
  LA209732  Acourtia microcephala Carl Epling; N. Dunn 1931-5-30 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SBBG66263  Acourtia microcephala M. N. Ackley -Apr-1929 Los Angeles La Crescenta 457 Comment
  SFV4069  Acourtia microcephala M. L. Vincent 1962-7-10 276 Los Angeles Santa Monica Mountains Cold Canyon, 0.5 miles south of Mulholland Highway. 330 Comment
  CAS-BOT-BC133187  Adenostoma fasciculatum E. R. Blakley 1961-9-23 4756 Los Angeles At east end of Isthmus Harbor, Santa Catalina Island 30 Comment
  RSA524973  Adenostoma fasciculatum var. fasciculatum Tim S. Ross, Steve D. Boyd 1990-6-6 2828 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  CAS-BOT-BC139856  Adenostoma sparsifolium Dr. H. E. Hasse 1910-10-16 s.n. Los Angeles N.W. slope of Santa Monica Mts. 3 miles west of head of Topanga [Canon] Canyon Comment
  LA34177  Adenostoma sparsifolium Peter H. Raven; Henry J. Thompson 1959-9-20 14492 Los Angeles 304 Comment
  RSA687731  Adiantum aleuticum T. R. Pray 1959-8-25 1523 Los Angeles Timberline Comment
  UCR190878  Adiantum capillus-veneris R. G. Swinney 1998-8-6 6700 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, granite cliff on east side c. 100 m below Fish Fork 1037 Comment
  RSA0040210  Adiantum capillus-veneris Orlando Mistretta 1989-5-15 s.n. Los Angeles San Clemente Island, Bryce Canyon. Comment
  RSA247414  Adiantum capillus-veneris Jack Delaini 1974-4-25 120 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 549 Comment
  LA4001  Adiantum jordanii Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, W of Hollywood Lake. Comment
  UC749005  Adiantum jordanii Louis C. Wheeler 1932-5-8 689 Los Angeles Puddingstone Dam; San Jose Hills 304 Comment
  UCR194589  Adiantum jordanii R. G. Swinney 1999-4-9 7083 Los Angeles San Gabriel Mtns., mouth of Peacock Canyon, at confluence with Cattle Canyon 640 Comment
  RSA534028  Adiantum jordanii T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5284 Los Angeles San Clemente Island: Westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336') marker, 1800ft SE of Malo Knoll (1396') 305 Comment
  RSA545280  Adiantum jordanii D. Propst, Mark L. Hoefs 1973-2-5 5 Los Angeles Santa Catalina Island: Southeast of Wrigley Memorial in Upper Avalon Canyon. 244 Comment
  RSA416417  Agoseris retrorsa L. E. Hoffman 1929-5-15 s.n. Los Angeles Pacoima Canyon. Comment
  CAS-BOT-BC127585  Agropyron cristatum Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritschs 1990-6-22 3764 Los Angeles San Gabriel Mountains. Pinyon Ridge. Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone. 1950 Comment
  LA36004  Ailanthus altissima Peter H. Raven; 1960-5-21 15402 Los Angeles SANTA MONICA MOUNTAINS, Cornell Corners. Comment
  CDA4015  Albizia lophantha Gardener 1949-3-11 Los Angeles State Building, Los Angeles. 0 Comment
  UCR101726  Alisma triviale L. C. Wheeler 1952-7-10 6857 Los Angeles San Gabriel Valley, Whittier Narrows Dam 58 Comment
  RSA252867  Allium fimbriatum var. fimbriatum Robert F. Thorne 1973-5-11 43510 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  UC440353  Allium lacunosum C. Epling, L. Ellison 1930-4-17 Los Angeles Palmdale Comment
  RSA0081225  Allium lacunosum var. davisiae Mitch Provance 2010-5-6 0510 -07 Los Angeles Tejon Ranch, c. 1.5 miles west of Neenach and 0.5 mi. SW of Hwy 138 crossing of Pacific Crest Trail. 960 Comment
  UCR84561  Allium lacunosum var. lacunosum T. S. Ross, Steve Boyd 1994-5-25 7922 Los Angeles Liebre Mtns., Necktie Basin: Hanging basin c. 470-830 m west of Warm Springs Mtn. summit, c. 600-800 m WSW of summit 1076 Comment
  UC216144  Allium monticola A. Davidson, M. D. May 1921 1924 Los Angeles Mt. Baldy Comment
Read comments
Dec 2 2015
  SBBG64463  Allophyllum glutinosum E. Crow 1930-6-28 Los Angeles Bichota Cyn Comment
  HSC12499  Alnus rhombifolia Wendell Wood 1970-6-22 29 Los Angeles Tujunga Canyon Rd., 3 mi. beyond intersection of Mt. Gleason Ave., Tujunga 457 Comment
  SBBG72687  Amaranthus blitoides R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  UCR119817  Amaranthus blitum subsp. emarginatus A. C. Sanders 2002-1-10 24891 Los Angeles Weed in potted plant purchased at The Farm Store, Cal Poly Pomona Comment
  POM11259  Amaranthus hybridus P. A. Munz, R. D. Harwood 1921-10-15 4692 Los Angeles Claremont. 366 Comment
  RSA611924  Amaranthus palmeri L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  RSA147537  Amblyopappus pusillus Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  RSA416881  Amblyopappus pusillus George B. Grant, Wheeler 1904-5-7 38 Los Angeles Glendora. Comment
  SFV6141  Amblyopappus pusillus M. H. Grayum, D. R. Perry (7443) 1974-4-3 s. n. Los Angeles Palos Verdes Peninsula Palos Verdes Peninsula. Coastal bluff at White's Point. 8 Comment
  UCD128670  Amblyopappus pusillus Daryl Koutnik 1978-4-28 416 Los Angeles Point Dume near Zuma Beach. 60 Comment
  RSA251394  Amblyopappus pusillus R. F. Thorne 1966-4-16 36035 Los Angeles San Clemente Island, 2/3 mile SSE of Eel point and N of seal Cove, SW side of island. 30 Comment
  RSA526074  Amblyopappus pusillus Steve Boyd, Peter Fritsch, Timothy S. Ross 1990-4-6 4173 Los Angeles San Clemente Island. East side of island, 0.2 mile S of U.S. Navy site called 'Jack'. 152 Comment
  RSA535692  Amblyopappus pusillus Timothy S. Ross 1991-5-22 5446 Los Angeles San Clemente Island. Spray [point], W side of island about 5300 feet N of El Point. Coastal terrace. 9 Comment
  CAS-BOT-BC42860  Ambrosia acanthicarpa J. Ewan 1931-11-11 s.n. Los Angeles Del Valle, Santa Clara River Valley 304 Comment
  UCD170033  Ambrosia acanthicarpa A. C. Sanders 1987-12-4 7569 Los Angeles El Segundo Dunes, immediately W of Los Angeles International Airport and Pershing Dr. (Near 33d 56'N, 118d 26'W). 30 Comment
  UCR247984  Ambrosia acanthicarpa David J. Keil 1986-9-27 19741 -2 Los Angeles Along Hwy I-5, just south of Hungry Valley Road exit 915 Comment
  CATA1164  Ambrosia chamissonis Mark L. Hoefs 1995-5-30 2157 Los Angeles Santa Catalina Island: Ben Weston Beach 4 Comment
  UC557655  Ambrosia chamissonis Nell Murbarger 1936-4-1 162 Los Angeles San Clemente Island Comment
  RSA416933  Ambrosia chamissonis Robert Gustafson 1981-4-14 2176 Los Angeles Ballona Wetlands, Area 1 Comment
  SD143585  Ambrosia dumosa R. D. Goeden, D. W. Ricker 1970-4-30 Los Angeles Mojave Desert, ca. 7.5 miles southeast of Llano, southwest side of State Highway 138, 1.8 miles southeast of Pearblossom Highway 1073 Comment
  CATA563  Ambrosia psilostachya Mark L. Hoefs, Robert F. Thorne 1975-8-7 827 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon 60 Comment
  CLARK-A1528-1542  Ambrosia psilostachya John C. Roos 1941-2-17 Los Angeles Westwood Comment
  LA91068  Ambrosia psilostachya T. A. Geissman; October 1969 TAG 101068 AP Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near mouth. 12 Comment
  SFV21773  Ambrosia psilostachya J. N. Hogue 2010-7-10 370 .07 Los Angeles Los Angeles, Eagle Rock. 1316 Saginaw Street. 207 Comment
  UCR255484  Ambrosia psilostachya Dan S. Cooper 2014-6-12 614- 13 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, west edge of Wilson-Harding Golf Course, east of Boys Camp Rd. 149 Comment
  UCR281413  Ambrosia salsola R. G. Swinney 2014-4-30 16263 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
  RSA229136  Amelanchier utahensis Robert F. Thorne, C. W. Tilforth 1971-6-30 40815 Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  RSA760602  Amelanchier utahensis R. G. Swinney 2008-8-13 9395 Los Angeles Big Rock Creek, 1.3 mi. east of Fenner Canyon. 1860 Comment
  POM126810  Ammannia coccinea Anstruther Davidson 1902-5-30 1913 Los Angeles Bixby Slough [Harbor Lake/Harbor Park near Long Beach] Comment
Read comments
May 28 2010
  RSA415281  Amorpha californica Anstruther Davidson 1890-06 s.n. Los Angeles Glendale. Comment
  SD197704  Amsinckia intermedia R. G. Swinney 2008-4-17 8691 Los Angeles San Gabriel Mountains; San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  UCR270050  Amsinckia intermedia R. G. Swinney 2011-3-17 14119 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UC1922007  Amsinckia menziesii Scott D. White, Pam DeVries 2006-5-9 11405 Los Angeles SE TEHACHAPI MTNS.: Gorman area, valley & slopes along Gorman Creek, NE of I-15 Fwy. and SW of Gorman Post Rd. Comment
  UCR149969  Amsinckia menziesii Scott D. White 2004-5-5 10303 Los Angeles Transverse Range; Liebre Mountains, Bald Mountain area, west of Old Ridge Route 1341 Comment
  RSA593450  Amsinckia menziesii var. menziesii Steve Boyd 1996-4-24 8651 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  RSA599968  Amsinckia menziesii var. menziesii L. C. Wheeler 1968-3-21 s.n. Los Angeles San Gabriel Mountains: Glendora Ridge Truck Trail. 610 Comment
  SD237360  Amsinckia tessellata R. G. Swinney 2009-4-28 10521 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma. 1584 Comment
  POM368388  Amsinckia tessellata N. C. Cooper 1948-4-21 2671 Los Angeles Littlerock 762 Comment
  RSA525313  Amsinckia tessellata W. Wisura 1991-4-27 4470 Los Angeles Along Lancaster Road, NW of Munz Ranch Road. Antelope Valley. Comment
  RSA587757  Amsinckia tessellata Tim Ross 1991-4-27 4620 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
  SFV3056  Amsinckia tessellata var. gloriosa K. A. Wilson 1961-3-7 948 Los Angeles Santa Monica Mountains Mulholland Highway about 3 miles west of Las Virgenes Road. Comment
  JEPS61169  Amsinckia tessellata var. tessellata W. L. Jepson 1939-4-21 19235 Los Angeles Fairmont; Mohave Desert 847 Comment
  UCD168355  Amsinckia tessellata var. tessellata J. W. Barry 1980-5-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  POM368394  Amsinckia tessellata var. tessellata Robert Gustafson 1978-6-1 984 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  CDA5475  Anagallis arvensis L. C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains just west of Bulebird Truck Trail. Comment
  RSA465152  Anagallis arvensis Robert M. Perkins 1936-4-27 s.n. Los Angeles Muholland drive. Comment
  UCR139936  Ancistrocarphus filagineus L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mtns., East side of Little Tujunga Canyon, 0.75 mi SSE of Herreres Ranch 579 Comment
  RSA757196  Ancistrocarphus filagineus Orlando Mistretta, Christine Mistretta 2008-4-8 2385 Los Angeles Along SCE transmission lines, about 1 mile SE of intersection of Transmission lines with Elizabeth lake Road. (Segment 5, structure 32 per TRTP survey-2008) 965 Comment
  RSA92386  Ancistrocarphus filagineus F. W. Peirson 1919-5-10 1302 Los Angeles Arraster [Arrastre] Creek. North base of San Gabriel Mountains 915 Comment
  UCR210243  Andropogon glomeratus var. scabriglumis R. G. Swinney 2008-10-22 9662 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  CAS-BOT-BC400316  Anemopsis californica Geo. B. Grant 1904-4-1 43 Los Angeles Redondo Comment
  UC54952  Anemopsis californica H. P. Chandler 1902-9-9 4038 Los Angeles Ballona Marsh Comment
  UCR147600  Angelica tomentosa Naomi Fraga, Et al. 2004-6-30 1291 Los Angeles Transverse Ranges; San Gabriel Mtns, Near Grapevine Springs, along FS Road 1N34 1220 Comment
  RSA729353  Anisocoma acaulis R. G. Swinney 1999-5-1 7090 Los Angeles San Gabriel Mtns./Mojave Desert: Graham Canyon, 2.4 miles south of Ft. Tejon Rd., c. 200 m north of Mescal Highlands Rd. 1341 Comment
  UCR231789  Anthemis cotula Darren T. Hasegawa 2007-6-1 s.n. Los Angeles San Gabriel Mtns., Pasadena, Devils Gate Reservoir, c. 0.5 mi. east of 210 Fwy 320 Comment
  RSA654562  Anthemis cotula Benjamen Rangel 1992-5-17 777 -47 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; found mostly in the back side of the orchard by the freeway fence and the water drainage. Comment
  RSA596919  Anthriscus caucalis T. S. Ross, J. Mark Porter 1995-5-4 8522 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  UC1605263  Anthriscus caucalis Tim Ross and Steve Boyd 1994-5-4 7678 Los Angeles Dogwood Canyon Liebre Mountains, Lake Hughes 7.5' U.S.G.S. quad. (narrow canyon draining ne to Burns Canyon from the ne summit of Grass Mountain) 1267 Comment
  RSA191117  Antirrhinum coulterianum Robert F. Thorne, M. Z. Thorne 1967-6-25 37084 Los Angeles Between Cobal and Evey Canyons; 732 Comment
  UCD123434  Antirrhinum coulterianum Gerald Dickinson 1962-4-24 28 Los Angeles Stunt Road and Mulholland Drive, Santa Monica Mountains. 365 Comment
  RSA0098608  Antirrhinum multiflorum R. G. Swinney 2011-6-14 15122 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA292470  Antirrhinum multiflorum James Henrickson 1973-6-23 10934 Los Angeles 1 1/2 miles N of Malibu, in tract of land at junction of Rambala Pacifico and Schueren Road Comment
  RSA535690  Aphanisma blitoides T. S. Ross 1991-5-22 5445 Los Angeles San Clemente Island: Spray (Point), W side of island about 5300 feet N of Eel Point. 9 Comment
  SD237623  Aphyllon californicum subsp. feudgei R. G. Swinney 2009-5-6 10689 Los Angeles Transverse Range: San Gabriel Mountains/Western Mojave Desert: Carr Canyon at confluence with Little Rock Creek (Palmdale 7.5'Q) 908 Comment
  RSA135129  Apiastrum angustifolium P. H. Raven, Henry J. Thompson 1960-4-24 15109 Los Angeles Santa Monica Mountains, Decer [Decker] Road about 2 miles north of Coast Highway. 244 Comment
  RSA470378  Apiastrum angustifolium Anstruther Davidson 1890-09 s.n. Los Angeles Foothills. Comment
  SEINET11080170  Apiastrum angustifolium J. H. Barber 1897-3-28 113 Los Angeles Santa Monica Canyon. Comment
  UC1228854  Apiastrum angustifolium Peter H. Raven 1962-5-9 17665 Los Angeles San Clemente Island, at s end of Mosquito Cove Mosquito Cove; San Clemente Island, Mosquito Cove 320 Comment
  UCD127238  Apium graveolens P. B. Kennedy 1918-7-16 s.n. Los Angeles Los Angeles High School. Comment
  UCR189746  Aquilegia formosa R. G. Swinney 1998-7-10 6368 Los Angeles San Gabriel Mtns., confluence of Bear Gulch and Prairie Fork Canyon, south side of canyon along Prairie Fork stream 1488 Comment
  RSA659849  Arabis glabra var. glabra Orlando Mistretta, Mike Hammitt 1991-5-29 s.n. Los Angeles Monrovia Canyon. Comment
  CLARK-A1528-2289  Arabis platysperma John C. Roos 1937-7-28 2354 Los Angeles San Bernardino Mountains Comment
  RSA482580  Arabis pulchra Gale Sphon 1959-4-4 286 Los Angeles 3 miles north of Big Rock Public Camp, Big Rock Creek Comment
  LA212281  Arabis pulchra Lee Haines; 1968-3-30 s.n. Los Angeles NW corner. 6 miles south of Gorman. 1127 Comment
  RSA764521  Arabis pulchra var. pulchra Orlando Mistretta, Christine Mistretta 2008-5-2 2606 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 42 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1021 Comment
  UCR219409  Arabis sparsiflora R. G. Swinney 2009-4-1 10240 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon, Monrovia Mountain Park 415 Comment
  SEINET10532882  Araucaria bidwillii David B. Dunn 1939-10-18 Dunn UMO 46543 Los Angeles Tree growing along Sunset Blvd. near Beverly Hills Hotel. 213 Comment
  SEINET2032670 Image available Arbutus andrachne Leila M. Shultz 1981-4-14 4957 Los Angeles Rancho Santa Ana Botanic Garden 305 Comment
  CAS-BOT-BC407750  Arceuthobium abietinum James R. Shevock 1976-4-24 5015 Los Angeles along Big Pines Hwy. in the vicinity of Apple Tree Campground, San Gabriel Mountains, Angeles National Forest 1524 Comment
  RSA629084  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20248 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  RSA629098  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20240 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  CAS-BOT-BC23204  Arctostaphylos glandulosa subsp. glandulosa Mrs. S. Earle Kelley 1917-9-1 s.n. Los Angeles Mt. Wilson Comment
  POM47577  Arctostaphylos glandulosa subsp. mollis I. M. Johnston 1924-8-13 s.n. Los Angeles along Sunset Trail 1/2 mi. S of Sunset Peak. 1585 Comment
  RSA596462  Arctostaphylos glandulosa subsp. mollis R. G. Swinney 1989-6-11 s.n. Los Angeles Base of San Gabriel Mountains, in and near the city of Glendora. Glendora Ridge Motorway 732 Comment
  RSA630273  Arctostaphylos glandulosa subsp. mollis LeRoy Gross 1999-2-19 110 Los Angeles San Gabriel Mountains.: Little Tujunga Canyon Road to Dillon Divide. 1005 Comment
  RSA631454  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16038 Los Angeles Ridge Route, 12 km south of Liebre Gulch turnoff. 950 Comment
  UC450794  Arctostaphylos glauca Fay A. McFadden 1931-4-25 2934 Los Angeles half way to ridge (old road to Burbank); Verdugo Hills, Tuna Canyon Comment
  RSA634361  Arctostaphylos parryana subsp. parryana Jon E. Keeley, Allen Massihi 1992-8-21 20620 Los Angeles Angeles Crest Highway, 1.7 km north of Sulphur Springs Road, San Gabriel Mountains. 1890 Comment
  RSA634367  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1992-10-15 22070 Los Angeles Northern end of Crystal Lake Campground, San Gabriel Mountains. 1850 Comment
  RSA634884  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20405 Los Angeles Road to Pacifico Mtn., 7.5 km east of Mill Creek Summit, San Gabriel Mtns. 1878 Comment
  RSA634898  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20307 Los Angeles Road to Mt. Gleason, 3.7 km west of Mill Creek Summit, San Gabriel Mtns. 1665 Comment
  RSA634930  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20252 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  RSA634932  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20253 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  RSA635156  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20280 Los Angeles Angeles Forest Hwy., 1.7 km N of Mill Creek Summit. San Gabriel Mtns. 1385 Comment
  UC1369835  Arctostaphylos patula Robert F. Thorne and John Olmstead 1965-8-26 35352 Los Angeles near top of ridge se Holiday Hill Ski Lift; San Gabriel Mountains, Angeles National Forest, Blue Ridge 2560 Comment
  CAS-BOT-BC44840  Arctostaphylos pungens Vernon O. Bailey 1907-9-3 s.n. Los Angeles San Gabriel Mts. - East base of San Antonio Peak 1828 Comment
  UCR182742  Arenaria macradenia R. G. Swinney 1997-7-16 5657 Los Angeles San Gabriel Mtns., Buford Canyon, 0.5 mi. west of San Bernardino Co. line, south of Hwy 2 and Swarthout Valley, c. 2 air miles west of Wrightwood 2195 Comment
  RSA549136  Arenaria macradenia var. arcuifolia Timothy S. Ross 1992-7-16 6701 Los Angeles ridgeline between Iron mountain and condor peak; NW spur of 5162' knoll 1524 Comment
  POM253  Argemone munita subsp. rotundata H. Webster s.n. Los Angeles San Antonio Canyon. Comment
  RSA417230  Artemisia californica M. B. Dunkle 1939-8-3 7226 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA417232  Artemisia californica M. B. Dunkle 1939-11-24 7342 Los Angeles San Clemente Island. Mosquito summit, Canyon head. Comment
  UC1119334  Artemisia californica G. T. Nordstrom 1935-3-23 405 Los Angeles 1 3/4 mi se of mouth of Beartrap Canyon; Santa Barbara National Forest, Tejon Quadrangle Comment
  LA200159  Artemisia douglasiana T. A. Geissman; 1967-9-16 TAG 91667 SY-AD Los Angeles Santa Monica Mountains, Santa Ynez Canyon, at Sunset Blvd 38 Comment
  SBBG12859  Artemisia douglasiana E. R. Blakley 1962-10-5 5446 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  SBBG62507  Artemisia douglasiana R. Hoffmann 1927-9-23 Los Angeles Oak's Garage, Mint Cyn Comment
  UCR205694  Artemisia douglasiana A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37023 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR210335  Artemisia douglasiana R. G. Swinney 2008-11-29 9858 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  CAS-BOT-BC90254  Artemisia douglasiana F. J. Steinmetz 1901-8-31 s.n. Los Angeles King's Canyon road w. of Carson Comment
  UC54147  Artemisia dracunculus E. B. Babcock 1902-11-1 Los Angeles near Pomona Comment
  RSA639754  Artemisia tridentata L. C. Wheeler 1956-9-16 7239 Los Angeles San Gabriel Mountains: Guffy Camp, Blue Ridge. Comment
  RSA0039070  Artemisia tridentata subsp. parishii R. G. Swinney 2009-11-13 11617 Los Angeles confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  POM123195  Arthrocnemum subterminale Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach. Comment
  POM122956  Asclepias californica Marcus E. Jones 1926-9-2 s.n. Los Angeles SAN GABRIEL MTNS: Swartout Valley. Comment
  RSA229736  Asclepias eriocarpa R. F. Thorne 1971-6-26 40599 Los Angeles Summit of Mt. Wilson 1738 Comment
  UC1587570  Asclepias fascicularis Tim Ross 1991-9-2 5933 Los Angeles near Mulholland Highway x Yerba Buena Road (draw off w side of Yerba Buena Road); Santa Monica Mountains, Triunfo Pass USGS 7.5' quadrangle 502 Comment
  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
  UC1738484  Asphodelus fistulosus Steven A. Junak 1996-5-17 SCI- 481 Los Angeles just S of Camera Pad Nazzo (E of airfield runways, at edge of terrace E of int. of Perimeter Road and road to Dolphin Bay); San Clemente Island, NE end 57 Comment
  LA94121  Aspidotis californica Lawrence L. Kiefer; 1966-3-12 1834 Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon, ca 3 mi N of Sunset Blvd in ravine W of road. 182 Comment
  RSA686314  Aspidotis californica Martha Hilend 1928-2-9 41 Los Angeles Big Santa Anita Canyon. Comment
  SFV19316  Aspidotis californica T. Sagar, P. Wilson 2005-3-26 s. n. Los Angeles Santa Monica Mountains Near Seminole Hot Springs in ravine between sandstone outcrops on National Park Service Hennesy property, south of Mulholland Highway. 430 Comment
  RSA686325  Aspidotis californica L. E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  RSA5538  Aster bernardinus C. B. Wolf 1932-9-16 4104 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  RSA417627  Aster bernardinus F. R. Fosberg 1930-10-18 4113 Los Angeles N* Slough'. [locality name change to'Laguna Dominguez'] 10 Comment
  RSA0048389  Astragalus antisellii A. Lee Haines 1964-5-8 s.n. Los Angeles Woodland Hills. 304 Comment
  UCR270400  Astragalus bicristatus John F. Emmel 2001-6-3 1714 Los Angeles San Gabriel Mountains, along road on south slope of Table Mountain, 0.0-0.2 air mile north & 0.5-0.8 air mile east of Big Pines Ranger Station 2195 Comment
  RSA763149  Astragalus didymocarpus Justin M. Wood 2010-5-10 1626 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  SEINET6042753  Astragalus didymocarpus Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  CAS-BOT-BC182299  Astragalus didymocarpus var. didymocarpus Lois E. James 1946-4-25 1747 Los Angeles Along the railroad tracks at Acton, Soledad Canyon Comment
  UC457222  Astragalus douglasii var. douglasii Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles Swartout Valley, San Gabriel Mts. San Gabriel Mts., Swartout Valley Comment
  RSA90233  Astragalus douglasii var. douglasii F. W. Peirson 1919-5-10 397 Los Angeles Arraster [Arrastre] Creek. 976 Comment
  SEINET2054745  Astragalus douglasii var. parishii George K. Helmkamp, E. A. Helmkamp 1998-5-21 4052 Los Angeles Western Majave Desert; Junction of Munz Ranch Rd and Lake Elizabeth Rd N of Lake Elizabeth. 1463 Comment
  SEINET3127352  Astragalus pulsiferae var. pulsiferae M. E. Jones 1897-6-19 sn Los Angeles Chat. [perhaps Chatsworth in Los Angeles Co.?] 1615 Comment
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Oct 1 2014
  JEPS85532  Astragalus trichopodus var. lonchus Dick Arnold 1985-1-17 Los Angeles about 1 mi se of intersection of Palos Verdes Drive South with Forrestal (town of Rancho Palos Verdes); town of Rancho Palos Verdes 121 Comment
  POM49322  Astragalus trichopodus var. lonchus L. W. Nuttall 1920-5-31 s.n Los Angeles Big Wash Canyon, Santa Catalina Island. Comment
  CAS-BOT-BC194045  Astragalus trichopodus var. lonchus Carl B. Wolf 1932-5-10 3528 Los Angeles Summit of the Equestrian Trail, back of Avalon, Santa Catalina Island 304 Comment
  RSA415733  Astragalus trichopodus var. lonchus Gale Sphon 1955-3-30 s.n Los Angeles Zuma Beach. (a.k.a. Westward Beach) Comment
  RSA583115  Astragalus trichopodus var. lonchus L. C. Wheeler 1933-4-27 1658 Los Angeles San Pedro Hills: NW base. 38 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
  RSA66531  Athysanus pusillus F. W. Peirson 1921-3-3 663 Los Angeles Arroyo Seco, near Pasadena 350 Comment
  RSA187741  Atriplex californica R. F. Thorne 1966-4-5 35837 Los Angeles Santa Catalina Island, along stream in Cottonwood Canyon 107 Comment
  UC1136283  Atriplex canescens H. S. Yates 1936-8-28 6360 Los Angeles 1/2 mi w Valyermo Ranger Station; Rock Creek Quad., w of Valyermo Ranger Station Comment
  UC7056  Atriplex canescens J. Burtt Davy May 9 1896-May 24 1896 2286 Los Angeles Lancaster Antelope Valley, Lancaster Comment
  SBBG13627  Atriplex coulteri P. H. Raven 1962-5-8 17633 Los Angeles W side of island opposite Wilson Cove 45 Comment
  CATA2961  Atriplex lentiformis Amy Catalano 2016-1-12 002 Los Angeles Santa Catalina Island: Just inside and to the right of the gate to the Laura Stein Volunteer Camp, about 2 meters from the road to the camp 371 Comment
  UC1587572  Atriplex lentiformis Tim Ross 1991-9-2 5932 Los Angeles near Yerba Buena Road x Yerba Buena Road x Mulholland Highway (Santa Monica Mountains); Triunfo Pass Quad., Santa Monica Mountains 502 Comment
  RSA177734  Atriplex leucophylla R. F. Thorne, P. Everett 1965-5-11 s.n. Los Angeles Santa Catalina Island. N side of N cove of Little Harbor. 5 Comment
  UC527385  Atriplex nummularia Carl B. Wolf 1931-12-30 2636 Los Angeles coastal bluffs at Playa del Rey 30 Comment
  RSA65374  Atriplex semibaccata F. W. Peirson 1919-2-16 1816 Los Angeles Point Fermin. Comment
  UC1215215  Atriplex semibaccata Peter H. Raven 1962-7-10 17948 Los Angeles near w shore San Clemente Island w Wall 2, San Clemente Island; near w shore San Clemente Island Comment
  POM219208  Atriplex serenana L. C. Wheeler 1932-9-4 1315 Los Angeles La Verne, Palomares St. between D and E Streets. 290 Comment
  UC55964  Atriplex serenana var. davidsonii Geo. B. Grant April 1902 3660 Los Angeles Los Angeles Comment
  RSA453978  Atriplex watsonii M. B. Dunkle 1939-4-5 7274 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  SBBG132302  Atriplex watsonii S. A. Junak 1995-1-6 SCI- 246 Los Angeles W side of island, cove by "Flasher", near S end of dunes 12 Comment
  RSA0060784  Avena barbata LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6806 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA177769  Avena barbata R. F. Thorne, Percy C. Everett 1965-5-11 34587 Los Angeles Santa Catalina Island. N beach of Little Harbor. 2 Comment
  SEINET13203172 Image available Avena barbata R. G. Swinney 2010-1 12481 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
  UCR186972  Avena barbata A. C. Sanders 2006-4-10 31993 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  UCR219561  Avena barbata R. G. Swinney 2009-3-28 10208 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  RSA151279  Avena fatua P. H. Raven 1962-4-9 17133 Los Angeles Wilson Cove, San Clemente Island 61 Comment
  UC1234792  Azolla filiculoides Peter H. Raven 1962-5-22 17853 Los Angeles ca. 1 mi below Ranch Middle Creek; Santa Catalina Isl. Comment
  RSA418207  Baccharis douglasii F. R. Fosberg 1931-5-2 4744 Los Angeles Middle Ranch Canyon Santa Catalina Island 200 Comment
  HSC5130  Baccharis salicifolia C. E. Fellows 1965-4-15 32 Los Angeles 1 mi. NW of Sunland city limits where Hwy. 118 crosses Tujunga Wash Comment
  POM350357  Baccharis salicifolia Robert Gustafson 1980-8-29 1877 Los Angeles Ballona Wetlands, Area 3 Infrequent and scattered in Area 3. Comment
  RSA0055946  Baccharis salicifolia Richard G. Swinney 2010-4-30 12463 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  RSA93203  Baccharis salicifolia F. W. Peirson 1924-12-3 5384 Los Angeles San Gabriel Wash at Foothill Boulevard, Azusa. Comment
  UCR127388  Bassia hyssopifolia A. C. Sanders, Mark Elvin 2002-8-7 25560 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  RSA0035078  Betula populifolia Jack Pepper 1950-8-27 s.n. Los Angeles Van Nuys. Comment
  UCR73188  Bidens frondosa Scott D. White 1992-10-8 914 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  CAS-BOT-BC101989  Bidens pilosa David D. Keck 1932-10-10 1947 Los Angeles South Pasadena Comment
  CDA3997  Bituminaria bituminosa T. C. Fuller 1963-4-25 10298 Los Angeles San Gabriel Mountains: Brown Mountain, 0.5 mile northwest above Millard Canyon campground at end of pavement. 0 Comment
  SEINET10570447  Bloomeria aurea Hermann E. Hasse Hasse s.n. 1890 Los Angeles Open hills and plains Comment
  LA200931  Bloomeria crocea Sharon Johnston; 1957-5-14 34 Los Angeles SANTA MONICA MOUNTAINS, Mullholland Dr. 0.5 mi east of Alhama Dr. 396 Comment
  CATA244  Bloomeria crocea Mark L. Hoefs, A. Douglas Propst 1973-5-4 241 Los Angeles Santa Catalina Island: By road, 1/4 mile west of Little Harbor, east exposure 30 Comment
  CAS-BOT-BC478857  Bloomeria crocea var. aurea John I. Carlson 1914-4-25 s.n. Los Angeles Avalon, Catalina Island Comment
  RSA367326  Bloomeria crocea var. crocea B. C. Templeton 1930-6-17 1096 Los Angeles Franklin Canyon, north of Beverly Hills. Comment
  RSA367451  Bloomeria crocea var. crocea Anstruther Davidson 1908-7-7 3102 Los Angeles Topanga Comment
  RSA0128794  Boechera californica Percy C. Everett, E. K. Balls 1958-4-25 22955 Los Angeles San Antonio Dam, 4 miles N of Claremont Comment
  RSA482646  Boechera californica L. E. Hoffman 1929-4-13 s.n. Los Angeles Trail Canyon, Angeles National Forest. Comment
  CAS-BOT-BC14585  Boechera pulchra Alice Eastwood; John Thomas Howell 1937-4-26 3968 Los Angeles Near Palmdale. Comment
  RSA0129211  Boechera pulchra LeRoy Gross 2005-5-3 2235 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., Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  CATA566  Bolboschoenus maritimus subsp. paludosus Mark L. Hoefs, Robert F. Thorne 1975-8-7 831 Los Angeles Santa Catalina Island: Little Harbor 3 Comment
  RSA611264  Bothriochloa barbinodis L. C. Wheeler 1970-10-31 s.n. Los Angeles Los Angeles: Collis Avenue at Huntington Drive. Comment
  RSA725908  Bothriochloa barbinodis Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 428 Los Angeles Santa Catalina Island. Above Cherry Cove W of Lion Head Pt. 61 Comment
  RSA592375  Bowlesia incana Mark Hoefs 1974-3-28 419 Los Angeles Santa Catalina Island: in upper Bullrush Canyon 251 Comment
  UCR71180  Bowlesia incana Steve Boyd, T. Ross, et al 1990-4-8 4371 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  POM293196  Boykinia rotundifolia Lyman Benson 1948-9-15 13541 Los Angeles San Gabriel Canyon - Lower dam. Pacific Slope Drainage Area. 244 Comment
  RSA0022978  Boykinia rotundifolia Duncan S. Bell, Caitlin Elam 2013-6-24 5230 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  UCR139148  Boykinia rotundifolia L. C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mtns, [Pigeon Ridge] west of heliport 1585 Comment
  UCR209423  Boykinia rotundifolia R. G. Swinney 2008-9-13 9452 Los Angeles San Gabriel Mtns., Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  CATA1183  Brachypodium distachyon Mark L. Hoefs 1995-5-30 2184 Los Angeles Santa Catalina Island: Near Ben Weston Road 30 Comment
  UCSB69258  Brassica fruticulosa Gross, LeRoy 2006-1-18 Los Angeles Coastal Plains and Basins; San Bernardino Basin Region: Rancho Santa Ana Botanic Garden; northwest section of the plant communities; just south of Dr. Thorne's Boojum tree (Idria columnaris); along asphalt walkway; (Ontario 7.5 Quad.: T1S R8W S4) 412 Comment
  UCR127405  Brassica nigra A. C. Sanders, M. S. Enright 2002-8-8 25572 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 457 Comment
  IRVC26195  Brassica nigra A. C. Sanders 2003-6-19 26976 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  JEPS18776  Brickellia californica Frank W. Peirson 1918-10-21 221 b Los Angeles West Fork San Gabriel River San Gabriel Mountains, West Fork San Gabriel River 1066 Comment
  POM158297  Brickellia californica M. B. Dunkle 1928-3-11 1729 Los Angeles Santa Catalina Island: near falls Grand canyon 183 Comment
  POM351112  Brickellia californica Wm. Martin 1971-8-25 s.n. Los Angeles Trancas Canyon area, Santa Monica Mountains. Comment
  CAS-BOT-BC149341  Bromus arizonicus Geo. B. Grant 1904-4-27 6162 Los Angeles Pasadena. Comment
  LA200934  Bromus carinatus var. carinatus Norman A. Cole; May 1964 327 Los Angeles SANTA MONICA MOUNTAINS, 1.3 mi from Pacific Coast Hwy along Rambla Pacifico. 152 Comment
  UC1584928  Bromus carinatus var. carinatus Tim Ross, Steve Boyd 1991-7-24 5617 Los Angeles nne of Granite Mountain 1874 Comment
  UC1714470  Bromus carinatus var. carinatus I. M. Johnston 1917-6-15 1295 Los Angeles San Antonio Mountains, Spring Hill, (San Antonio Canyon) Spring Hill; San Antonio Mountains, San Antonio Canyon Comment
  UCD59207  Bromus carinatus var. marginatus August L. Hormay 1932-7-30 s.n. Los Angeles Los Angeles vicinity. Comment
  RSA595324  Bromus catharticus D. L. Banks 1996-4-24 910 Los Angeles Claremont, localized escape in the lawn at the corner of Doane Ave. & Guilford Ave., The lawn has not been mowed in several weeks and is hosting several other escaped grass species, as well as introduced broad-leaved weeds such as Cerastium vulgare, Cotula australis, Erodium cicutarium, Brassica sp., etc. Comment
  CATA1056  Bromus diandrus Mark L. Hoefs 1995-5-10 1989 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail, above #7 tee of golf course 97 Comment
  CATA1080  Bromus diandrus Mark L. Hoefs 1995-5-16 2030 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  UCR271914  Bromus diandrus R. G. Swinney 2010-3-24 12077 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR149536  Bromus hallii R. G. Swinney 1997-6-25 5630 Los Angeles San Gabriel Mtns., west of Wrightwood, c. 0.25 mi. east of Hwy 2, c. 300 m N of Guffy Rd. (3N06) 2317 Comment
  CAS-BOT-BC155398  Bromus hordeaceus 1898-4-8 s.n. Los Angeles San Pedro. Comment
  RSA598894  Bromus hordeaceus Steve Boyd, Timothy S. Ross 1997-3-21 9210 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UCR106056  Bromus madritensis subsp. madritensis Scott D. White, Chet McGaugh 1995-6-6 3223 Los Angeles Santa Susana Mtns., E edge of range, just west of San Gabriel Mtns. 'Sunshine Canyon' (name not shown on topo): Sunshine Canyon Landfill Property, west of San Fernando Road and Hwy I-5, just SW of interchange with State Route 14 (Fwy) 488 Comment
  CATA639  Bromus madritensis subsp. rubens Mark L. Hoefs 1991-4-16 1104 Los Angeles Santa Catalina Island: Renton Mine Road 249 Comment
  CATA968  Bromus madritensis subsp. rubens Mark L. Hoefs 1994-5-21 1836 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  SDSU960  Bromus madritensis subsp. rubens H. Wedberg 1966-4-3 1193 Los Angeles Above Hill Drive x neal, Eagle Rock 457 Comment
  LA13822  Bromus rubens Carl Epling; M. Epling May 1925 sn Los Angeles Palmdale, 3 mi. SW Comment
  RSA536057  Bromus rubens Timothy S. Ross 1991-5-21 5387 Los Angeles San Clemente Island: Upper easterly branch of Box Canyon, affected by recent burn 473 Comment
  RSA614153  Bromus rubens Anna Christensen 1997-3-13 3 Los Angeles Claremont, Bernard Biological Field Station. NW corner of Mills Ave. and Foothill Blvd. 412 Comment
  UCR165062  Bromus rubens A. C. Sanders, Helen Kennedy 2005-4-13 29464 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA593488  Bromus sterilis Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8842 -A Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon 549 Comment
  RSA0019965  Bromus tectorum E. K. Balls 1960-4-28 24096 Los Angeles Rancho Santa Ana Botanic Garden , Claremont. 412 Comment
  RSA661026  Calandrinia ciliata Orlando Mistretta 1992-4-5 169 Los Angeles Guds, San Clemente Island. Comment
  SD90596  Calandrinia maritima Robert Thorne 1966-4-16 36043 Los Angeles San Clemente Island: Rock slope above pebbly beach, c. I(c) mile south-southeast of Eel Point, southwest side of island (mak 10/07) 2 Comment
  RSA702076  Calendula officinalis Scott D. White, Pam De Vries 2004-5-18 10450 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  POM199150  Callitriche marginata L. C. Wheeler 1933-4-9 1630 Los Angeles La Verne (Damar Sta.) 274 Comment
  RSA352843  Calocedrus decurrens Mary D. Merilatt 1936-7-15 s.n. Los Angeles Los Angeles Calif South Park. Canyon, mountain slopes. Comment
  HSC15386  Calochortus albus David Porter 1965-5-16 Los Angeles 1.0 mi. off Mulholland Hwy. on Old Topanga Canyon Rd. 305 Comment
  RSA651262  Calochortus catalinae Eleanor McClung 1937-4-29 152 Los Angeles Highland Park. Comment
  UCR149474  Calochortus catalinae Valerie Soza, Et al. 2000-5-18 945 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon 655 Comment
  IRVC26957  Calochortus clavatus var. gracilis A. C. Sanders 2003-4-17 26065 Los Angeles Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines NE end of Santa Susana Mtns. 396 Comment
  RSA229095  Calochortus invenustus Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38903 Los Angeles San Gabriel Mountains, Angeles National Forest: Canyon above Angeles Crest Hwy. ca. 1 mile W of Vincent Gap, at one of headwaters of E fork Big Rock Creek N-face Mt. Baden-Powell. 2332 Comment
  RSA671259  Calochortus kennedyi Robert Gustafson 1978-6-1 946 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, area paralleling upper Freeman Canyon, ca 1 mile S of Gorman. 1280 Comment
  SD134561  Calochortus kennedyi Craig Reiser 1991-5-6 Los Angeles Common on ridgeline, Palmdale, Verde Ridge. (IPB 3/08) Comment
  UCR282009  Calochortus splendens R. G. Swinney 2014-5-19 16578 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  SD41992  Calochortus venustus Darley F. Howe 1947-5-3 Los Angeles Slope just west of Mint Canyon. Comment
  RSA763233  Calycoseris parryi Justin M. Wood 2010-5-10 1571 Los Angeles Little Rock Creek: Downstream of Little Rock Reservoir, within 0.25 miles of the dam. 966 Comment
  SBBG58112  Calystegia R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  CAS-BOT-BC224311  Calystegia macrostegia subsp. amplissima M. B. Dunkle 1939-4-6 7291 Los Angeles Mosquito Harbor, San Clemente Island Comment
  RSA598527  Calystegia macrostegia subsp. amplissima J. P. Rebman, Jonathan Dunn 1996-4-29 3114 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island. 15 Comment
  HSC101305  Calystegia macrostegia subsp. arida R. G. Swinney 2009-3-28 10200 Los Angeles Transverse Range, San Gabriel Mtns.: Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 378 Comment
  LA50079  Calystegia macrostegia subsp. cyclostegia Goerge R Smart; 1952-6-29 14 Los Angeles Santa Monica Mountains, Latigo Canyon, W slope of canyon on road cut at E side of road 304 Comment
  UCR50075  Calystegia macrostegia subsp. cyclostegia Steve Morgan 1974-4-19 40 Los Angeles Western Transverse Range; Santa Monica Mtns., between Malibu and Point Dume, 4.2 mi. north of Pacific Coast Hwy on Latigo Canyon Road. 396 Comment
  RSA394913  Calystegia macrostegia subsp. intermedia Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena 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
  SBBG125463  Calystegia occidentalis subsp. fulcrata A. Parikh, N. Gale 2010-6-18 3331 Los Angeles upper Big Tujunga Cyn, 1.2 km N of St Hwy 2, 0.3 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1225 Comment
  SBBG122096  Calystegia peirsonii A. Parikh, N. Gale 2000-4-30 1731 Los Angeles SE of confluence of Castaic Crk and Santa Clara River, N side of Santa Susana Mtns 310 Comment
  RSA66534  Camelina microcarpa F. W. Peirson 1922-7-7 3181 Los Angeles Ranger's Cabin, Swartout Valley. 1799 Comment
  UCR149882  Camissonia R. G. Swinney 1999-6-18 7329 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UCR259563  Camissonia bistorta R. G. Swinney 2010-4-1 12131 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
  UCR49747  Camissonia bistorta R. Mattoni 1986-1 s.n. Los Angeles South Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  RSA774255  Camissonia boothii R. G. Swinney 2009-5-12 10750 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg.) of Littlerock. 1061 Comment
  LA26067  Camissonia californica Mildred E. Mathias; 1957-4-4 3159 Los Angeles 2743 Comment
  LA46759  Camissonia californica J. Warren; 1952-5-15 sn Los Angeles Santa Monica Mountains, Mulholland Drive 457 Comment
  RSA0076955  Camissonia californica R. G. Swinney 2010-5-19 12825 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
  RSA0115693  Camissonia campestris A. C. Sanders 2008-4-11 34841 Los Angeles Transverse Range/Mojave Desert: hills south of Hwy 138, c. 1 mile SW of Neenach School, west of a N-S line through VABM Pine. 995 Comment
  UCR14585  Camissonia campestris George K. Helmkamp 1974-6-2 s.n. Los Angeles San Gabriel Mtns., Calif. Hwy 2, 2 miles SW of Calif. Hwy 138, beside Sheep Creek 1524 Comment
  RSA659473  Camissonia cheiranthifolia J. C. Roos 1956-5-22 s.n. Los Angeles In El Segundo, near Hypericon. 9 Comment
  RSA454030  Camissonia cheiranthifolia subsp. suffruticosa Dorothy Nichols 1936-4-1 s.n. Los Angeles El Segundo. Comment
  RSA449207  Camissonia claviformis subsp. claviformis George B. Grant 1906-4-20 6798 Los Angeles Palmdale, Mojave Desert. Comment
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Sep 4 2011
  RSA449028  Camissonia ignota Louis C. Wheeler 1932-4-10 600 Los Angeles Portal Ridge 8 mi. W Palmdale. 1037 Comment
  RSA724762  Camissonia intermedia K. Dobry 1991-6-27 d- 635 Los Angeles Santa Monica Mts. 1 mi E. of Las Virgenes Rd off Mulholland Hwy. at Soka Univ. NE section. Comment
  RSA0035999  Camissonia micrantha R. G. Swinney 2010-3-11 11869 Los Angeles Flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash. 348 Comment
  RSA653474  Camissonia micrantha Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 786 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  RSA774086  Camissonia pallida R. G. Swinney 2009-4-29 10562 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA229918  Camissonia pallida subsp. pallida Robert F. Thorne, C. W. Tilforth 1971-6-30 40801 Los Angeles San Gabriel Mountains. 1555 Comment
  CHSC95493  Camissonia strigulosa LeRoy Gross 2005-4-28 2129 Los Angeles Transverse Ranges; San Gabriel Mountains region: 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. Than dropped off ridge into canyon bottom back to origin. (Pacific Mtn. 7.5 Quad.: T4N R12W, 11w S1, 6, NE1/4 of 1, NW1/4 of 6) 1324 Comment
  UCR271970  Camissonia strigulosa R. G. Swinney 2011-5-31 14906 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
  SBBG60408  Camissoniopsis bistorta R. Hoffmann 1925-4-19 Los Angeles Elizabeth Lake Comment
  CAS-BOT-BC160444  Camissoniopsis cheiranthifolia subsp. suffruticosa Peter H. Raven 1959-3-15 13855 Los Angeles Along shore east of Zuma Beach, Point Dume 9 Comment
  CHSC110740  Camissoniopsis pallida subsp. pallida Dean Wm. Taylor 2003-5-29 18596 Los Angeles Mill Creek Summit, Angeles Forest Highwy, along Angeles National Forest Road 4N18 ca 0.8 road miles south from Tie Creek Station. 1386 Comment
  OBI35611  Capsella bursa-pastoris Rebecca Cicoria 1981-4-24 19 Los Angeles Near intersection of Crest Rd and Portuguese Bend rd, Sepulveda Cyn,along trl, Rolling Hills Comment
  UCD114195  Cardamine californica Daryl Koutnik 1978-3-24 161 Los Angeles east side of Cornell Road, 1 mile south of Seminole Hot Springs. 365 Comment
  CAS-BOT-BC384773  Cardionema ramosissimum LeRoy Abrams 1902-6-11 2517 Los Angeles Playa del Rey Comment
  CAS-BOT-BC17659  Carex alma Carl B. Wolf 1936-5-27 7837 Los Angeles San Gabriel Mountains, Indian Canyon Camp. 2 miles off Soledad Canyon. 914 Comment
  RSA603207  Carex alma L. C. Wheeler 1954-9-1 7084 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  SEINET7549337 Image available Carex alma Scott D. White, Brian Leatherman 1997-1-14 6048 Los Angeles NW San Gabriel Mts. Santa Clara River Watershed: Upper Oak Springs Cyn. above existing gravel quarry. USGS Mint Canyon Quad. 579 Comment
  RSA600844  Carex alma L. C. Wheeler 1966-9-21 8912 Los Angeles San Gabriel Mountains. Vicinity of Lily Spring, northwest slope of Mt. Hawkins. 2468 Comment
  JEPS45927  Carex barbarae Louis C. Wheeler 1936-6-21 4169 Los Angeles W Fork Palmer Canyon, San Gabriel Mountains 640 Comment
  RSA602739  Carex bolanderi L. C. Wheeler 1967-7-15 10032 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  UC115918  Carex hassei H. E. Hasse June 1897 Los Angeles San Antonio Canyon San Gabriel Mts. Comment
  SEINET239001  Carex heteroneura Louis C. Wheeler 1968-6-1 Los Angeles San Gabriel Mtns.: Dorr Canyon at Angeles Crest Hwy (by whitethorn picnic area) 2347 Comment
  HSC101605  Carex inversa Steve Boyd 2005-7-27 11635 Los Angeles Coastal Plains & Basins; Los Angeles Basin region: Pasadena, southeastern side of campus of California Institute of Technology, just west of front entrance to Athenaeum (Faculty Club) Comment
  RSA763749  Carex multicaulis Orlando Mistretta, Christine Mistretta 2008-5-20 3141 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 95 per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1453 Comment
  RSA364648  Carex multicaulis Wilson, Grant 1904-5-17 6223 Los Angeles San Diego. Chula Vista. Comment
  SEINET7568456 Image available Carex multicaulis Unknown 1904-5-17 138 /6223 Los Angeles Mt. Wilson. 1524 Comment
  RSA0045421  Carex senta Wendy Boes, Andrew Wheeler 2009-7-13 2009 -040 Los Angeles San Gabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.2. 1981 Comment
  LA17936  Carex spissa Carl Epling; sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  SEINET10625714  Carica papaya Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3770 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  SD40049  Carpobrotus edulis Edith A. Purer 1932-4-28 2777 Los Angeles El Segundo Comment
  RSA425860  Castilleja affinis Geo. C. Johnstone 1925-3-8 s.n. Los Angeles Catalina Island. Comment
  RSA425862  Castilleja affinis M. B. Dunkle 1929-2-10 s.n. Los Angeles Middle Ranch Canyon, Santa Catalina Island. Comment
  RSA425917  Castilleja affinis A. Menke 1955-3-26 s.n. Los Angeles Point Dume. Comment
  RSA233614  Castilleja affinis Robert F. Thorne 1970-3-5 39350 Los Angeles NE slope of Blackjack Mt., at pper end of Swain's Canyon 396 Comment
  RSA425911  Castilleja affinis M. V. Hood 1945-5-1 C- 2217 Los Angeles Tapia Park area, Santa Monica Mountains. 305 Comment
  UC1409127  Castilleja affinis subsp. affinis Robert F. Thorne 1970-3-5 39350 Los Angeles ne slope Blackjack mt. (upper end of Swain's Canyon); Santa Catalina Island, Swain's Canyon 396 Comment
  UCR191289  Castilleja affinis subsp. affinis T. B. Salvato 2008-4-22 3304 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 Comment
  JEPS5222  Castilleja applegatei subsp. martinii Frank W. Peirson 1921-7-17 2505 Los Angeles Prairie Fork San Gabriel Mountains, San Gabriel River 2011 Comment
  LA32222  Castilleja applegatei subsp. martinii Peter H. Raven; 1959-5-3 14084 Los Angeles SANTA MONICA MOUNTAINS, Woodrow Wilson Dr, 1.2 mi E of Laurel Canyon. 350 Comment
  CATA21  Castilleja foliolosa Mark L. Hoefs, A. Douglas Propst 1973-3-3 7 Los Angeles Santa Catalina Island: Upper Middle Ranch Canyon, south exposure 304 Comment
  RSA649814  Castilleja foliolosa Fred Brooks 1988-4-23 28 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  JEPS8629  Castilleja minor subsp. spiralis Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco; Los Angeles Comment
  UC1348976  Castilleja minor subsp. spiralis Robert F. Thorne and M. Z. Thorne 1967-7-19 37182 Los Angeles above Crystal Lake Recreation Area (Big Cienega Springs); San Gabriel Mts., Angeles National Forest 1981 Comment
  RSA594741  Caulanthus coulteri Timothy S. Ross 1995-4-7 8363 Los Angeles TEMPLIN HIGHWAY ca. 1800-1900 ft NE of its inter- section with the Old Ridge Route. 823 Comment
  CAS-BOT-BC41136  Caulanthus heterophyllus John Thomas Howell 1928-3-20 3464 Los Angeles Floor of Vermont Canyon, Griffith Park. Comment
  CATA3088  Caulanthus lasiophyllus Amy Catalano, Steven Junak 2016-4-28 094 Los Angeles Santa Catalina Island: North of Water Tank Road, at end of spur road leading to old bow hunting camp 299 Comment
  SBBG39116  Ceanothus arboreus E. R. Blakley 1963-4-7 5533 Los Angeles Farnsworth Spring, NW of Avalon on the island rd 365 Comment
  POM2811  Ceanothus crassifolius C. F. Baker 1904-2-14 4062 Los Angeles San Antonio Canyon near Claremont. Comment
  UC1071026  Ceanothus crassifolius L. B. Burkett 1928-2-28 100 Los Angeles w Little Dalton Canyon (on trail); Pomona 685 Comment
  UCR198398  Ceanothus crassifolius Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 764 Los Angeles Transverse Ranges; Verdugo Mountains, south side, above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 488 Comment
  UCR3982  Ceanothus crassifolius Art Whistler 1965-3-27 s.n. Los Angeles Transverse Range; Santa Susana Mtns., fire road through a canyon about 0.5 mi west of Chatsworth Reservoir in Chatsworth 274 Comment
  RSA592779  Ceanothus cuneatus var. cuneatus Steve Boyd, Mike Wall 1996-4-4 8534 Los Angeles Liebre Mountains, ridgeline and adjacent slopes of side canyon to Charlie Canyon, west of San Francisquito Canyon off Angeles National Forest Road 5N17, ca 1.4 road miles south of jtn with 5N16. 488 Comment
  SBBG119978  Ceanothus cuneatus var. cuneatus A. C. Sanders 2003-4-30 26198 Los Angeles Castaic Valley at W foot of Castaic Mesa, Newhall Ranch 366 Comment
  UCR95549  Ceanothus greggii var. vestitus L. C. Wheeler 1967-5-9 9409 Los Angeles San Gabriel Mtns., Aliso Canyon, east of Acton, c. 2 mi. downstream from Wagonwheel Ranch 945 Comment
  UCSB3911  Ceanothus integerrimus Kamb, Peter 1947-6-1 Los Angeles North slope of Mt Disappointment, San Gabriel Mts 1463 Comment
  SEINET5339321  Ceanothus integerrimus A. A. Davidson 1892-1 s.n. Los Angeles Wilson's Peak Comment
  CAS-BOT-BC50527  Ceanothus leucodermis A. D. E. Elmer 1902-6-1 3610 Los Angeles Acton, Mt. Gleason Comment
  CAS-BOT-BC50598  Ceanothus leucodermis H. E. McMinn 1925-8-6 1553 Los Angeles San Gabriel Mountains: Sawpit Canyon Comment
  POM156327  Ceanothus leucodermis L. R. Abrams 1902-7-1 2609 Los Angeles Near summit of Mt. Wilson 1738 Comment
  UCSB3914  Ceanothus leucodermis Kamb, Peter 1947-5-25 Los Angeles Millard Canyon near Sunset Ridge guard station, San Gabriel Mts 670 Comment
  LA43636  Ceanothus megacarpus Robert Fowler; 1925-1-18 4539 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Sepulveda Canyon. 152 Comment
  RSA544552  Ceanothus megacarpus var. insularis Tim S. Ross, E. Kellogg 1992-4-11 6114 Los Angeles San Clemente Island; West fork of China Canyon 239 Comment
  CAS-BOT-BC51424  Ceanothus megacarpus var. megacarpus John Thomas Howell 1928-3-2 3353 Los Angeles Griffith Park Comment
  RSA398903  Ceanothus oliganthus Franklin W. Klepinger 1938-3-26 s.n. Los Angeles Santa Susana Pass. Comment
  RSA517114  Ceanothus oliganthus var. oliganthus Tim S. Ross, S. D. Boyd 1990-5-14 2469 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 976 Comment
  RSA585544  Ceanothus oliganthus var. oliganthus Tim S. Ross 1992-4-21 6226 Los Angeles Head of Horse Canyon: N side of Horse Canyon Saddle. 963 Comment
  RSA658227  Ceanothus oliganthus var. oliganthus Naomi Zohman 1985-4-28 32 Los Angeles Junction of CA Hwy 39 along west fork of San Gabriel River. Forest Service Road. Comment
  SEINET13276831 Image available Ceanothus oliganthus var. oliganthus R. G. Swinney 2011-1 14179 Los Angeles San Gabriel Mountains: mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam (Glendora 7.5' Q.) (T1N R9W S28) 509 Comment
  CAS-BOT-BC63349  Ceanothus spinosus S. B. Parish; W. F. Parish 1882-1-1 909 Los Angeles unspecified. Comment
  RSA398946  Ceanothus spinosus Gale Sphon 1955-4-2 s.n. Los Angeles 3.1 mi. west of Beverly Glen on Mulholland Dr. Comment
  SFV2233  Ceanothus spinosus P. G. Kilburn 1958-2-15 608 Los Angeles Santa Monica Mountains Sepulveda Canyon. Mission Fire Trail. 300 Comment
  CATA262  Centaurea cineraria Mark L. Hoefs 1973-5-14 269 Los Angeles Santa Catalina Island: Pebbly Beach Road, by boat dock 6 Comment
  UCR270655  Centaurea cyanus R. G. Swinney 2011-6-30 15374 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  JEPS26162  Centaurea melitensis Peter H. Raven and Henry J. Thompson 1959-6-4 14323 Los Angeles Point Dume Santa Monica Mountains, Point Dume 45 Comment
  RSA0042039  Centaurea melitensis R. G. Swinney 2010-5-4 12485 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
  RSA656868  Centaurea melitensis Joseph M. Keefe 2001-1-24 31011 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  POM199567  Centaurea melitensis Fordyce Grinnell Jr. 1903-6-27 s.n. Los Angeles Arroyo Seco, Pasadena. Comment
  UC1215224  Centaurea melitensis Peter H. Raven 1962-7-11 17988 Los Angeles canyon n of and n of Lemon Tank Station Nanny; San Clemente Island Comment
  UC61537  Centaurium venustum Ernest Braunton Jun 1903 890 Los Angeles Glendale to Burbank Comment
  SBBG98578  Centranthus ruber T. Ross 1991-4-21 4498 Los Angeles Whittier Hills (Puente Hills, pro parte), E-facing rd embankment along Turnbull Cyn Rd 274 Comment
  CAS-BOT-BC279598  Centromadia pungens subsp. pungens Roxana S. Ferris 1918-6-12 893 Los Angeles Between Oban and Lancaster Comment
  CAS-BOT-BC279600  Centromadia pungens subsp. pungens Ernest Braunton 1903-6-1 899 Los Angeles L. A. River, Glendale to Burbank Comment
  UCR121222  Centrostegia thurberi June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, 263rd St. south of Calif. Hwy 18 in Antelope Valley, along San Bernardino Co. line, NNW of Pinon Hills 1100 Comment
  RSA0011592  Cerastium fontanum subsp. vulgare Orlando Mistretta, Cher Batchelor 2011-7-27 6005 Los Angeles Along Rincon Red Box Road (Forest Road 2N24) 1.2 air miles W of Monrovia Peak. 1366 Comment
  RSA257637  Cercocarpus betuloides Gary D. Wallace 1966-3-18 153 Los Angeles South of Lake Elanor, along Decker Road (Highway 23). 305 Comment
  OBI10228  Cercocarpus betuloides var. betuloides H. Takahashi 1967-4-28 82 Los Angeles Pasadena, W of linda Vista Ave, about 3 mi S of Devil's Gate Reservoir 305 Comment
  RSA250435  Cercocarpus betuloides var. betuloides Robert F. Thorne, R. Carolin, Christopher Davidson 1967-3-23 41610 Los Angeles San Gabriel Mts., Angeles National Forest: San Gabriel Canyon near Coldbrook. 1067 Comment
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Nov 5 2014
  SBBG70714  Cercocarpus betuloides var. betuloides R. Hoffmann 1931-5-3 Los Angeles hills 3 mi E of Elizabeth Lake Comment
  UCR212756  Cercocarpus betuloides var. betuloides Ellen Mackey, Blake Whittington 2006-10-11 NFWF- 1786 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel River Watershed, [San Dimas Canyon] overlooking [San Dimas] Reservoir 463 Comment
  RSA650394  Cercocarpus betuloides var. betuloides T. Strid 1971-6-1 s.n. Los Angeles Glendora Road. Comment
  POM219987  Cercocarpus betuloides var. blancheae F. R. Fosberg 1932-5-7 5159 Los Angeles Santa Catalina Island. Grand Canyon below Upper Falls. 130 Comment
  CAS-BOT-BC32718  Cercocarpus montanus var. traskiae Blanche Trask 1898-3-1 s.n. Los Angeles Santa Catalina Isl. Salta Verde. Comment
  CAS-BOT-BC279444  Chaenactis Palmer Stockwell 1940-4-23 1502 -A Los Angeles 1 mile south of Gorman Comment
  RSA739614  Chaenactis artemisiifolia John Dittes 2006-6-4 1394 Los Angeles Western Transverse Range, Simi Hills, N of Santa Susana Road, 2.4 air miles NW of Chatsworth High School, 1.1 air miles W of Topanga Blvd, 0.7 air mile ENE of Santa Susana Pass. 404 Comment
  UC75941  Chaenactis artemisiifolia Geo. B. Grant 1901-5-1 166 Los Angeles Santa Monica Hills Comment
  SFV16017  Chaenactis artemisiifolia A. M. Orcino, A. Sutton 1994-5-18 25 Los Angeles Santa Monica Mountains Calabasas. Stunt Road, 0.45 miles east from junction with Mulholland Highway. 796 Comment
  RSA679957  Chaenactis fremontii LeRoy Gross, Orlando Mistretta, Valerie L. Sosa 2003-5-13 862 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  JEPS30577  Chaenactis fremontii Donald M. Kyhos 1957-4-30 57 -122 Los Angeles 5 mi below summit of Goode Pass Comment
  IRVC27309  Chaenactis glabriuscula A. C. Sanders, Mark Elvin, et al. 2003-4-14 25950 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River NE end of Santa Susana Mtns. 351 Comment
  UCR192579  Chaenactis glabriuscula A. C. Sanders 2008-4-10 34821 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  SEINET8734828 Image available Chaenactis glabriuscula var. curta Muriel F. Wheeler 1938-1 894 Los Angeles Thompson Creek Wash, 1 1/2 miles northeast of La Verne 875 Comment
  SD30668  Chaenactis glabriuscula var. denudata Edith A. Purer 1935-5-12 6593 Los Angeles El Segundo Comment
  RSA0081201  Chaenactis glabriuscula var. glabriuscula Mitch Provance 2010-5-6 0510 -08 Los Angeles Tejon Ranch, c. 1.5 miles west of Neenach and 0.5 mi. SW of Hwy 138 crossing of Pacific Crest Trail. 960 Comment
  UCR263060  Chaenactis glabriuscula var. lanosa Mitch Provance 2008-4-14 408- 07 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  CAS-BOT-BC277822  Chaenactis santolinoides W. R. Dudley; F. H. Lamb 1896-6-9 4423 Los Angeles Liebre Mountains Comment
  UCR260091  Chaenactis stevioides Mitch Provance, Callen Huff 2009-4-29 10702 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 0.6 mile NE of Gorman; site PO1087 1390 Comment
  SBBG98298  Chaenactis stevioides Anstruther Davidson, H. E. Hasse 1906-6-5 1465 Los Angeles Rock Crk Comment
  RSA729868  Chaenactis xantiana R. G. Swinney 1999-6-5 7262 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
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Nov 27 2016
  UC17676  Chamaesyce albomarginata Joss. Burtt Davy 1900-3-1 Los Angeles Comment
  POM177957  Chamaesyce melanadenia Joseph A. Ewan 1931-4-25 4169 Los Angeles S. Fork La Tuna Canyon, Verdugo Range. Comment
  UC213229  Chamaesyce melanadenia I. M. Johnston 1917-5-30 1806 Los Angeles mouth Live Oak Canyon; San Antonio Mtns 457 Comment
  RSA628321  Chamaesyce serpens L. C. Wheeler 1970-8-1 s.n. Los Angeles NW corner of Olympic and Soto St. Los Angeles. Comment
  SFV16787  Cheilanthes covillei J. D. Dilley 1997-2-1 s. n. Los Angeles San Gabriel Mountains Colby Canyon, on Angeles Crest Highway. 3 miles east of junction with Angeles Forest Highway. 1 mile up trail. 1067 Comment
  RSA535736  Cheilanthes newberryi T. S. Ross 1991-5-23 5485 Los Angeles San Clemente Island. Mouth of Tota Canyon, middle of island, eastern escarpment. 3 Comment
  RSA685780  Cheilanthes newberryi Richard C. Barkelew 1929-4-17 s.n. Los Angeles Santa Monica Mountains, Mulholland Highlands, Los Angeles. Comment
  RSA423252  Chenopodium ambrosioides Joseph A. Ewan 1931-7-4 4725 ` Los Angeles Pacoima Canyon, 1/2 mile below dam Comment
  RSA12652  Chenopodium ambrosioides var. ambrosioides C. B. Wolf 1934-8-16 6046 Los Angeles Bryant Ranch east of Long Beach. So. of N.W. corner of 1/4 sect. 3 Comment
  LA31621  Chenopodium berlandieri Peter H. Raven; Henry J. Thompson 1959-10-18 14676 Los Angeles Santa Monica Mountains, Medea Creek, mouth of Medea Creek, N arm of Malibu Lake 220 Comment
  RSA0080644  Chenopodium berlandieri R. G. Swinney 2010-5-29 13008 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA423288  Chenopodium berlandieri E. S. Spalding 1922-11-26 s.n. Los Angeles Near Glendale. Comment
  RSA478444  Chenopodium berlandieri var. sinuatum Robert Gustafson 1980-9-16 1906 Los Angeles Ballona Wetlands, Area 2. [See map on specimen for precise location.] Comment
  UCD97949  Chenopodium californicum Richard Bates 1949-4-1 s.n. Los Angeles Faculty Hill, UCLA campus, Westwood. Comment
  UCR282520  Chenopodium desiccatum Mitch Provance, Tegan Provance 2017-9-30 917- 07 Los Angeles San Gabriel Mountains / Mojave Desert Transition, Pallet Creek, S side of Pallet Creek Rd., 1.3 miles W of Valyermo Rd. 1146 Comment
  SEINET6654078  Chenopodium hians Rick Jellen 2010-8-17 1004 Los Angeles Angeles Forest Hwy, 1.4 mi NE Mill Creek Summit.; 0 1880 Comment
  CDA3119  Chenopodium multifidum L. C. Wheeler 1947-4-13 6466 Los Angeles San Gabriel Mountains; San Gabriel Mountains: Ridge on south side of Millard Canyon.. Elev. 2100 Feet. Comment
  RSA187789  Chenopodium murale R. F. Thorne 1966-9-14 36649 Los Angeles Santa Catalina Island: behind Ben Weston Beach 3 Comment
  POM220099  Chenopodium pumilio L. C. Wheeler 1931-7-21 s.n. Los Angeles 2 mi. N Claremont 412 Comment
  CAS-BOT-BC184879  Chloris virgata Ernest C. Twisselmann 1970-10-17 17545 Los Angeles Mojave Desert. Antelope Valley. Gorman Highway 5 miles west of Highway 14. 1005 Comment
  CATA141  Chlorogalum pomeridianum Mark L. Hoefs, A. Douglas Propst 1973-3-14 105 Los Angeles Santa Catalina Island: Upper Cape Canyon 335 Comment
  RSA0085098  Chorizanthe coriacea R. G. Swinney 2010-4-23 12377 Los Angeles East end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park. 314 Comment
  RSA0012121  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-4-24 2527 Los Angeles Valencia, Newhall Ranch, entrance to Magic Mountain Theme Park, survey area 62 366 Comment
  CAS-BOT-BC252780  Chorizanthe parryi var. parryi John H. Thomas 1957-4-27 6689 Los Angeles Coastal hills, west side of mouth of Latigo Canyon about 3 miles northwest of Pt. Dume, 15 miles due west of Santa Monica, Santa Monica Mountains 152 Comment
  CAS-BOT-BC244662  Chorizanthe staticoides John Thomas Howell 1931-5-31 6621 Los Angeles San Gabriel Wash Comment
  CAS-BOT-BC244801  Chorizanthe staticoides Geo. B. Grant 1904-6-17 s.n. Los Angeles Pasadena Comment
  RSA392671  Chorizanthe staticoides Anstruther Davidson 1889-06 s.n. Los Angeles Los Angeles. Comment
  RSA682621  Chorizanthe staticoides Scott D. White, Michael Honer 2003-5-7 9209 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at 'Old Ridge Route.' 427 Comment
  UCD99988  Chorizanthe staticoides A. C. Sanders 2003-4-29 26179 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  UCSB1345  Chorizanthe staticoides Foster, R. 1937-6-3 Los Angeles Wasteland, Mills Ave., Claremont Comment
  RSA717870  Chrysolepis sempervirens R. G. Swinney 1995-8-28 4481 Los Angeles West Mt. Baldy Summit, 11S MH-4E, 9N 3012 Comment
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Sep 13 2015
  UCR179999  Chrysolepis sempervirens R. G. Swinney 1995-8-28 4481 Los Angeles San Gabriel Mtns., West Mt. Baldy summit 3043 Comment
  POM307084  Cichorium intybus Henry J. Ramsey, Henry J. Ramsey 1937-8-19 1922 Los Angeles Below north Whittier Heights Comment
  RSA94916  Cirsium brevistylum F. W. Peirson s.n. Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  POM352178  Cirsium occidentale var. occidentale F. R. Fosberg 1931-5-21 4935 Los Angeles Santa Catalina Island. Between Cherry Valley and Howlands Landing 20 Comment
  UCR125968  Cirsium occidentale var. occidentale A. C. Sanders, Mark Elvin 2002-6-19 25161 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UC1174821  Cirsium ochrocentrum var. ochrocentrum George W. Garrettson 1960-7-22 Los Angeles about 100 yards w of Water Street; Walnut Comment
  CAS-BOT-BC286519  Cirsium undulatum Herman Knoche 1919-6-30 Series A, No. 965 Los Angeles Avalon, Catalina Island Comment
  SBBG18725  Cirsium vulgare E. R. Blakley 1962-10-5 5466 Los Angeles near cattle corral, Middle Ranch Crk between mouth of Cape Cyn and its head 228 Comment
  RSA710329  Cistanthe monandra LeRoy Gross 2005-5-3 2197 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
  RSA784352  Cistanthe monandra Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 11 Los Angeles road 7N23 turn from road 7N08 Comment
  CAS-BOT-BC438749  Cistanthe monandra John Thomas Howell 1928-5-25 3820 Los Angeles Ridge Route to Bakersfield, 22 miles s. of Lebec 1280 Comment
  RSA643964  Cistanthe monosperma V. W. Steinmann 1996-5-17 916 Los Angeles San Gabriel Mountains, ca. 1 km (by air) southwest of Mt. San Antonio, along Baldy Trail. 2850 Comment
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Nov 8 2010
  LA45546  Clarkia bottae M. Zaitlin; 1951-5-16 sn Los Angeles SANTA MONICA MOUNTAINS, North Sepulveda Way. 396 Comment
  RSA724760  Clarkia bottae K. Dobry 1991-5-13 494 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UCSB4352  Clarkia bottae Ballard 1954-5-27 Los Angeles Little Dalton Canyon 350 Comment
  UCR209132  Clarkia dudleyana R. G. Swinney 2008-6-24 9097 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  RSA590342  Clarkia epilobioides Tim S. Ross 1993-4-21 6856 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak; slope and small ridges N of Cactus peak summit. 427 Comment
  UC1234790  Clarkia epilobioides Peter H. Raven 1962-5-22 17823 Los Angeles above Emerald Bay; Santa Catalina Island 121 Comment
  SFV6244  Clarkia heterandra M. H. Grayum, A. Starrett, D. Friesen 1974-5-18 s. n. Los Angeles Santa Susana Mountains Along main ridge road on north side of Oat Mountain about 0.5 miles east of junction with Browns Canyon Road. 1052 Comment
  UCR168195  Clarkia heterandra W. R. Dudley, F. H. Lamb 1896-6-9 4429 Los Angeles Transverse Ranges; Liebre Mtns region, canyon near Elizabeth Lake, 'Fir Canyon Comment
  CAS-BOT-BC163716  Clarkia purpurea subsp. quadrivulnera F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  CATA725  Clarkia purpurea subsp. quadrivulnera Mark L. Hoefs 1991-5-18 1234 Los Angeles Santa Catalina Island: Middle Canyon 268 Comment
  SBBG118132  Clarkia purpurea subsp. quadrivulnera F. R. Fosberg 1931-4-23 4696 Los Angeles Hay Press [Haypress] 350 Comment
  LA200705  Clarkia unguiculata Peter H. Raven; H. L. Wedberg 1957-6-15 10916 Los Angeles Santa Monica Mountains, Latigo Canyon (Rd?), 3.0 mi N of Newton Canyon Comment
  RSA674733  Clarkia unguiculata Scott D. White, Pam DeVries 2000-5-18 7912 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  RSA466952  Claytonia exigua subsp. exigua H. E. Hasse, Anstruther Davidson 1906-6-5 1508 Los Angeles Big Rock Creek. Comment
  RSA709622  Claytonia exigua subsp. exigua LeRoy Gross 2005-4-28 2128 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
  CAS-BOT-BC229144  Claytonia parviflora R. G. Swinney 2009-4-28 10543 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma 1608 Comment
  SBBG131959  Claytonia parviflora S. A. Junak 2000-4-15 SCa 1213 Los Angeles ridgeline between 2 cyns (one on E side of rd, one on W side), 0.4 mi from Divide Rd, location of bird transect #1 457 Comment
  RSA777209  Claytonia parviflora subsp. parviflora Orlando Mistretta, Christine Mistretta 2010-5-19 5126 Los Angeles San Gabriel Mountains region: Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  RSA587048  Claytonia parviflora subsp. parviflora Orlando Mistretta, Mark Elvin 1995-5-10 1689 E Los Angeles San Gabriel Mountains: Bare Mountain Canyon. Head of W. Fork. 1768 Comment
  POM294050  Claytonia perfoliata subsp. mexicana Lyman Benson 1945-4-13 11670 Los Angeles San Gabriel Mountains: Little Dalton Canyon, Glendora; Pacific Slope Drainage Area 366 Comment
  SD69498  Claytonia perfoliata subsp. mexicana Robert F. Thorne 1966-4-7 35963 Los Angeles Santa Catalina Island: bottom of canyon Cherry Valley 60 Comment
  RSA0045486  Claytonia perfoliata subsp. perfoliata Paul M. Inman 1983-5-8 50883 -8 Los Angeles Big Santa Anita Canyon in the Angeles National Forest, San Gabriel Mountains, about 1 mile north of Arcadia, on Winter Creek trail just above Hoegee's Camp. 762 Comment
  RSA199708  Clematis lasiantha I. W. Clokey, Bonnie C. Templeton 1929-05 4545 Los Angeles Mandeville Canyon 300 Comment
  RSA386250  Clematis ligusticifolia Freda Detmers 1928-10-17 s.n. Los Angeles Stream side, Verdugo Woodlands Comment
  RSA386252  Clematis ligusticifolia Bonnie C. Templeton 1932-8-25 5071 Los Angeles Big Rock Creek, San Gabriel Mts. 1905 Comment
  SBBG107471  Clematis ligusticifolia S. L. Crockett, M. L. Hoefs, S. A. Junak, G. Allan 1996-10-31 554 Los Angeles jct of lower Cave Cyn and Middle Cyn Comment
  RSA408414  Collinsia bartsiifolia var. davidsonii Ora M. Clark 1929-3-31 1930 Los Angeles S. W. of Lancaster. Comment
  RSA599626  Collinsia bartsiifolia var. davidsonii Steve D. Boyd, Lauren Raz 1997-4-16 9520 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  UCR177496  Collinsia bartsiifolia var. davidsonii LeRoy Gross 2005-5-19 2281 Los Angeles Tehachapi Mountains, SE base of the mountains, just above the the W side of Cottonwood Creek 1174 Comment
  RSA729535  Collinsia childii R. G. Swinney 1998-6-16 6972 Los Angeles San Gabriel Mtns.: c. 0.6 mi. north of Cow Cnyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  SEINET3159376  Collinsia concolor G. B. Grant 202 Los Angeles Pasadena. California only Comment
  RSA599457  Collinsia heterophylla Steve D. Boyd, Lauren Raz, T. S. Ross 1997-4-1 9498 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of 'Osito Flat', a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  RSA670756  Collinsia heterophylla Joseph M. Keefe 2001-4-8 31200 Los Angeles San Rafael Mountains. North side of wood fence along The Eagle Rock Park path between Scholl Canyon Road and Eagle Rock View Drive, 5 meters west of beginning of private driveway with mailboxes (5475 Eagle Rock View Drive)., Eagle Rock District, Los Angeles, CA 90041. North. 293 Comment
  SFV3350  Collinsia heterophylla K. A. Wilson 1961-3-18 1039 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles northwest of Topanga Canyon Blvd. 245 Comment
  UCR147300  Collinsia parryi Orlando Mistretta, Peter L. Morrell 1992-6-4 493 Los Angeles Transverse Ranges; San Gabriel Mountains region, Shortcut Canyon, OVH area. Arroyo District, paralleling Big Tujunga 1463 Comment
  SFV10461  Collinsia torreyi M. L. Vincent, M. J. Teiman 1964-6-24 586 Los Angeles San Gabriel Mountains Wrightwood Road at Old Ice Skating Rink on road to Wrightwood across from Camp Centinella Valley. 3 miles west of Wrightwood. 1980 Comment
  CAS-BOT-BC200998  Colutea arborescens Dennis Kucera 1992-6-4 92 -1 Los Angeles San Gabriel Mountains, Santa Anita Canyon, junction of Sturdevant Falls Trail and trail to Sturdevant Camp & Mt. Wilson 548 Comment
  UCSB61507  Colutea arborescens Kucera, Dennis 1992-6-4 Los Angeles San Gabriel Mountains; Santa Anita Canyon; junction of Sturdevant Falls Trail and trail to Sturdevant Camp and Mt. Wilson 548 Comment
  SFV19102  Comarostaphylis diversifolia subsp. planifolia P. Saadat 1999-5-16 30 Los Angeles Santa Monica Mountains Stunt Ranch. West of Stunt Road, south of Mulholland Highway. 400 Comment
  RSA649825  Conium maculatum Matt Brooks 1988-5-7 46 Los Angeles Whittier, Dark Canyon 2.0 miles east of its confluence with Sycamore Canyon. Comment
  UC303079  Constancea nevinii T. Minthorn 1920-7-1 Los Angeles near Avalon; Catalina Island Comment
  UC90236  Constancea nevinii T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  RSA640957  Convolvulus arvensis L. C. Wheeler 1931-7-22 s.n. Los Angeles La Verne: Wheeler's residence. Comment
  UC468804  Conyza bonariensis C. F. Millspaugh 1920-3-17 4826 Los Angeles Santa Catalina Island, Cherry Valley Comment
  UCR127394  Conyza bonariensis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25529 Los Angeles Santa Clara River Valley, Newhall Ranch, Santa Clara River at dirt road crossing near Del Valle 274 Comment
  RSA756084  Cordylanthus rigidus R. G. Swinney 2008-10-7 9462 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  RSA710538  Coreopsis bigelovii LeRoy Gross 2005-5-3 2204 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
  UCSC001211  Coreopsis bigelovii Peter Kamb 1947-3-16 s.n. Los Angeles Eastern Lovejoy Buttes, Antelope Valley 853 Comment
  LA99534  Coreopsis gigantea E. B. Smith; 1979-1 sn Los Angeles Comment
  CAS-BOT-BC105743  Corethrogyne filaginifolia Peter H. Raven 1957-9-21 11359 Los Angeles Topanga Canyon 2.5 mi. above U.S. 101 alternate, Santa Monica Mts. Comment
  SBBG79573  Corethrogyne filaginifolia F. R. Fosberg 1931-7-11 5375 Los Angeles Middle Ranch Cyn at mouth of Cape Cyn 200 Comment
  SFV6952  Corethrogyne filaginifolia T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-8-31 623 Los Angeles Santa Monica Mountains First canyon east of Stokes Canyon. About 1 mile due east of Claretville Seminary. 229 Comment
  PASA1811  Corethrogyne filaginifolia var. peirsonii Margaret L. Canby 1925-11-28 Los Angeles North side Newhall Grade Comment
  SEINET11837157  Corethrogyne filaginifolia var. viscidula J. F. Bright, Wyman, C. 1931-1 5665 Los Angeles Hollywood Comment
  RSA787100  Coronilla valentina subsp. glauca Danielle LeFer 2012-5-23 s.n. Los Angeles Abalone Cove Reserve in Rancho Palos Verdes. Approximately 3 miles East of Palo Verdes Drive South from Hawthorne Boulevard. Right side of road in disturbed area. 61 Comment
  RSA787102  Coronilla valentina subsp. glauca Danielle LeFer 2012-5-23 s.n. Los Angeles Abalone Cove Reserve in Rancho Palos Verdes. Approximately 3 miles East of Palo Verdes Drive South from Hawthorne Boulevard. Right side of road in disturbed area. 61 Comment
  CAS-BOT-BC287264  Cotula australis Geo. L. Moxley 1927-5-1 2070 Los Angeles Arroyo Seco, Highland Park, Los Angeles Comment
  LA94420  Cotula australis 1940-2-24 1082 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  RSA675820  Crassula connata LeRoy Gross 2003-3-7 771 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 564 Comment
  RSA747362  Crassula connata R. G. Swinney 2008-3-26 8563 Los Angeles San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR270928  Crassula connata R. G. Swinney 2011-5-26 14882 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  RSA0046817  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
  UCR256965  Cressa truxillensis Jeremiah George 2012-4-25 s.n. Los Angeles Compton, decommissioned railroad right-of-way NW of intersection of W Carob St. and South Acacia Ct., c. 1000 ft. west of Compton Creek channel, south of W Greenleaf Blvd., Rancho Dominguez area 21 Comment
  CAS-BOT-BC175827  Crossosoma californicum Tim Ross; Janet Takara 1993-4-23 6937 b Los Angeles Santa Catalina Island: SW part of the island in Cape Canyon; just above bed of canyon near roadisde 256 Comment
  CHSC95859  Croton californicus LeRoy Gross; Steve Fischer, Gary Wallace, et al. 2002-12-7 679 Los Angeles Transverse Ranges: San Gabriel Mountains Region: Limekiln Canyon. High-angle seismic plain in lower part of canyon before it empties into Pacoima wash. 518 Comment
  RSA739670  Croton californicus John Dittes, Josephine Guardino 2006-12-10 1438 Los Angeles S Coast, 2.1 air miles SE of Point Magu, 0.7 air mile NW of big Sycamore Canyon Creek, edge of large sand dune on NE side of Coastal Hwy 1 8 Comment
  SFV2076  Croton californicus K. A. Wilson 1961-3-12 1006 Los Angeles Santa Monica Mountains Point Dume. Summit of Birdview and Cliffside Drive. 38 Comment
  UCR259754  Croton californicus R. G. Swinney 2010-4-28 12386 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  SBBG12007  Croton setiger P. H. Raven 1962-5-9 17676 Los Angeles near head of cyn above Mosquito Cove 335 Comment
  UCR138995  Croton setiger L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns., Sand Canyon at the mouth of Reynier Canyon 564 Comment
  SEINET10453716  Croton setiger Lewis 1940-8-14 Lewis UMO 46081 Los Angeles Campus of the University of California at Los Angeles. 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
  RSA0106813  Crypsis vaginiflora Steven A. Junak 1999-7-16 SCa- 1047 Los Angeles Santa Catalina Island. Little Springs Reservoir 128 Comment
  RSA0115754  Cryptantha R. G. Swinney 2011-3-29 14280 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
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Dec 6 2018
  UCD120116  Cryptantha Steve Myers; Ed LaRue 1989-3-20 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct, San Andreas rift zone bisects the site. 883 Comment
  UCR223493  Cryptantha R. G. Swinney 2009-6-8 11072 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR273424  Cryptantha R. G. Swinney 2011-6-22 15245 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
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Dec 6 2018
  POM368350  Cryptantha circumscissa Mildred R. Solomen 1931-7-12 s.n. Los Angeles Mt. Wilson. Comment
  RSA0094557  Cryptantha circumscissa Richard G. Swinney 2011-6-6 15010 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  UCR121220  Cryptantha circumscissa June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, 263rd St. south of Calif. Hwy 18 in Antelope Valley, along San Bernardino Co. line, NNW of Pinon Hills 1100 Comment
  JEPS127385  Cryptantha clevelandii Robert Steers 2004-12-23 Los Angeles Palos Verdes Peninsula. Rancho Palos Verdes. Comment
  SD215428  Cryptantha clevelandii Steve Boyd, Lauren Raz and Timothy S. Ross 1997-4-1 9480 Los Angeles Liebre Mountains Region; Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat. 792 Comment
  RSA0031379  Cryptantha clevelandii K. Dobry 1992-10-25 d- 1067 Los Angeles Santa Monica Mts. in the City of Westlake at So. end of Las Virgenes Reservoir at So. end of Lindero Cyn. Comment
  RSA0094671  Cryptantha clevelandii L. C. Wheeler 1967-5-12 9464 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA526568  Cryptantha clevelandii Steve Boyd, Tim Ross, L. Arnseth 1990-4-7 4253 a Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  POM368353B  Cryptantha clevelandii var. florosa M. B. Dunkle 1929-4-6 2083 Los Angeles Santa Catalina Island. Avalon Canyon, Equestrian trail Comment
  RSA485307  Cryptantha decipiens Barbara Shervanick 1974-4-28 1242 Los Angeles Wash just west of Littlerock. 854 Comment
  RSA755977  Cryptantha decipiens Orlando Mistretta, Christine Mistretta 2008-4-12 2421 Los Angeles San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 5 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1096 Comment
  RSA653858  Cryptantha intermedia Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 889 Los Angeles Verdugo Mountains, northeast side: Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines. 396 Comment
  SFV15332  Cryptantha intermedia J. C. Dittes, D. Stolp 1990-3-10 40 Los Angeles San Gabriel Mountains Riverbed of Big Tujunga River, 1 mile upstream of the flood control reservoir. 732 Comment
  UCR265508  Cryptantha intermedia Dan S. Cooper 2015-3-18 315- 6 Los Angeles Los Angeles Basin/Western Transverse Range, Eastern Santa Monica Mtns/Hollywood Hills, at Hollywood Bowl 216 Comment
  RSA533908  Cryptantha intermedia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5175 Los Angeles San Clemente Island: SSW of Twin Dams, 1450 ft. NNW of Boulder marker (1859 ). 491 Comment
  RSA0075638  Cryptantha intermedia var. johnstonii Tim Ross 1991-4-21 4535 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon, dry ridgetop on N side, 1000ft. NW of the old water tank. 280 Comment
  RSA679951  Cryptantha micrantha LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 869 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 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
  POM3951  Cryptantha microstachys C. F. Baker 1903-9-20 3698 Los Angeles San Antonio Canyon near Claremont. Comment
  RSA0013589  Cryptantha microstachys Orlando Mistretta, Christine Mistretta 2011-7-1 5788 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  RSA191111  Cryptantha microstachys R. F. Thorne, M. Z. Thorne 1967-6-25 37076 Los Angeles Along fire-road between Cobal and Evey Canyons 732 Comment
  UCR136829  Cryptantha microstachys 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
  SFV21064  Cryptantha microstachys L. Gross 2001-5-6 384 Los Angeles Verdugo Mountains Along trail that comes up from Morning Glow Way off of La Tuna Canyon Road in city of Sun Valley. Comment
  RSA499702  Cryptantha muricata Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1676 Comment
  SD181666  Cryptantha muricata Louis C. Wheeler 1973-4-20 Los Angeles San Gabriel Mountains; Aliso Canyon 0.25 mile southsouthwest of Blum Randh. 914 Comment
  RSA0079156  Cryptantha muricata var. denticulata Scott D. White, Dave Bramlet 1998-8-11 7056 Los Angeles San Gabriel Mts.: West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1700 Comment
  SEINET13297584 Image available Cryptantha muricata var. denticulata R. G. Swinney 2011-1 14472 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  UCR271863  Cryptantha muricata var. denticulata R. G. Swinney 2011-5-31 14886 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
  UCR271972  Cryptantha muricata var. denticulata R. G. Swinney 2011-5-31 14907 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
  RSA0078884  Cryptantha muricata var. denticulata L. C. Wheeler 1967-9-4 10680 Los Angeles San Gabriel Mountains: Camp Lupine, Prairie Fork. 1981 Comment
  SDSU21030  Cryptantha muricata var. jonesii Ian Cain, Ryan Gilmore 2010-6-2 1488 Los Angeles Angeles National Forest, San Gabrial Mountains. Roughly 2.49km east of Mount Gleason summit 1730 Comment
  UCR265959  Cryptantha muricata var. muricata Orlando Mistretta, Christine Mistretta 2005-4-21 2072 Los Angeles Transverse Range; San Gabriel Mountains, Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station 1341 Comment
  RSA0079456  Cryptantha muricata var. muricata Anstruther Davidson 1904-6-1 1475 Los Angeles Wilson s Peak. Comment
  RSA780995  Cryptantha nevadensis var. rigida R. G. Swinney 2009-5-13 10782 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1122 Comment
  UCR277228  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
  RSA632842  Cryptantha similis R. F. Thorne, J. P. Simon, J. Dourley, H. Caulfield 1970-5-1 39530 Los Angeles Mojave Desert: Along road to Valyermo ca. 1 mile east of Pallett Ranch at foot of grade north of Pinyon Pine Ridge in Shoemaker Canyon. 1402 Comment
  RSA586703  Cryptantha simulans Orlando Mistretta 1995-6-20 1801 A Los Angeles San Gabriel Mountains: Bare Mountain canyon. head of drainage E of Pacifico Mtn. 1966 Comment
  POM4558  Cucurbita foetidissima L. R. Abrams 1902-6-10 2508 Los Angeles Near Playa del Rey. Comment
  UCR50873  Cucurbita foetidissima A. C. Sanders 1988-5-18 7844 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  RSA733987  Cuscuta D. M. McFadden 1955-1 s.n. Los Angeles Lakewood Village. 30 Comment
  LA212016  Cuscuta californica Duncan Bell; Caitlin Elam 2013-6-24 5239 Los Angeles SAN GABRIEL MOUNTAINS, Sheep Mountain Wilderness; East Fork of the San Gabriel River between Allison Gulch and Rattlesnake Canyon. 740.0 Comment
  RSA573472  Cuscuta californica T. S. Ross 1992-6-15 6575 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): S-draining tributary of Turnbull Canyon. 299 Comment
  UC750614  Cuscuta californica Lewis S. Rose 1946-7-21 46235 Los Angeles s slope Cahuenga Peak 304 Comment
  RSA293400  Cuscuta californica var. californica Reino Alava, R. C. Bacigalupi 1958-7-21 2247 Los Angeles Little Rock Creek about three miles above Little Rock Lake, along forest service. Canyon of the south fork of Little Rock Creek. 1158 Comment
  UCR193644  Cuscuta indecora A. C. Sanders 2008-7-10 35731 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR125626  Cyclospermum leptophyllum A. C. Sanders 2003-5-26 26847 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
  RSA600669  Cylindropuntia echinocarpa L. C. Wheeler 1967-11-18 s.n. Los Angeles Ft. Tejon Road; 1/2 mile ESE of 106 St. East. 1005 Comment
  RSA573470  Cynodon dactylon Timothy S. Ross 1992-6-15 6593 Los Angeles Whittier Hills (local name for the western extremity of Puente Hills): head of Turbull Canyon, ca. 80 m SW of intersection Skyline Drive with Turnbull Canyon Road. 349 Comment
  RSA747056  Cynodon dactylon R. G. Swinney 2008-5-30 8886 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  SEINET4565766  Cynodon dactylon G. Grant 1904-5-10 133 Los Angeles Pasadena, southern CA Comment
  SBBG127366  Cynosurus echinatus A. Parikh, N. Gale 2011-7-7 3536 Los Angeles Barley Flats, 4.4 km W of Shortcut Station, 1 km N of St Hwy 2; San Gabriel Mtns 1705 Comment
  SD215320  Cyperus difformis Louis C Wheeler 1946-9-8 6361 Los Angeles San Gabriel Mountains: San Gabriel Canyon, 1/4 mile below forks along highway on west side. Comment
  CATA1295  Cyperus eragrostis Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2384 Los Angeles Santa Catalina Island: By upper Cape Canyon Reservoir 323 Comment
  RSA602206  Cyperus involucratus L. C. Wheeler 1945-6-3 6061 Los Angeles San Gabriel Mountains.: West Fork, San Gabriel Canyon, ca. 1 mile west of Forks. Comment
  UC1563  Cyperus laevigatus W. H. Brewer 29 Los Angeles Los Angeles Comment
  POM182353  Cystopteris fragilis F. G. Floyd 1930-6-21 s.n. Los Angeles Big Santa Anita Canyon near Fern Lodge. San Gabriel Mts. Angeles Nat. Forest. Comment
  RSA681150  Cytisus striatus LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1073 Los Angeles North side of mountains: North of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, freeway cut (210 Freeway) just east of La Tuna Canyon exit. 457 Comment
  RSA682456  Datisca glomerata LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1045 Los Angeles South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. 519 Comment
  SEINET3164207  Datisca glomerata L. Abrams 1902-6-16 2557 Los Angeles Sepulveda Canyon; Santa Monica Mountains Comment
  UCR256214  Datisca glomerata R. G. Swinney 2010-6-4 13029 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  SEINET9333395  Datisca glomerata Robert Thorne, DeBuhr, Larry 1974-6-28 44772 Los Angeles Datisca Gully, c. 2 mi. S of Islip Saddle in steep gully on W-facing slope of Mt. Islip. Comment
  RSA0087243  Datura wrightii R. G. Swinney 2010-5-4 12534 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
  CATA952  Daucus pusillus Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1817 Los Angeles Santa Catalina Island: Cottonwood Canyon, southeast of El Rancho Escondido 45 Comment
  UC729460  Daucus pusillus Carl B. Wolf 1932-5-10 3526 Los Angeles along equestrian trail back of Avalon; Santa Catalina Isl. 259 Comment
  RSA0071928  Daucus pusillus Sabrina Lawrence-Gomez, Alexandria Cheung, Daniel Kasang, Miller Zou, Sarah Ratay 2011-7-8 39 Los Angeles Santa Catalina Island. Deer Valley Trail. 92 Comment
  SBBG19179  Deinandra clementina M. A. Piehl 1963-12-7 631047 Los Angeles 0.1 mi W from tip of Pyramid Head 13 Comment
  CAS-BOT-BC299270  Deinandra fasciculata John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  CAS-BOT-BC299295  Deinandra fasciculata Joseph Andorfer Ewan 1933-6-29 10822 Los Angeles Ballona Marshes near Playa del Rey Comment
  UC1870202  Deinandra fasciculata LeRoy Gross 2001-5-27 421 Los Angeles Los Angeles Basin region; Verdugo Mountains, northwest side; Dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in city of Sun Valley, just west of mouth of McDonald Creek 427 Comment
  UC535336  Deinandra fasciculata Ira W. Clokey, B. Templeton 1929-8-1 4600 Los Angeles Santa Monica Mountains; Mandeville Canyon 200 Comment
  UC854075  Delphinium cardinale Ira W. Clokey, B. Templeton 1929-8-1 4601 Los Angeles Mandeville Canyon Santa Monica Mountains 300 Comment
  RSA394504  Delphinium cardinale I. W. Clokey, Bonnie C. Templeton 1929-08 4601 Los Angeles Mandeville Canyon. 300 Comment
  RSA0106831  Delphinium glaucum R. G. Swinney 2011-7-29 15560 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  CAS-BOT-BC7966  Delphinium parishii subsp. parishii James L. Reveal 1988-5-17 6783 Los Angeles Along the Green Valley Road at the mouth of Spunky Creek just N of Bouquet Reservoir 944 Comment
  CAS-BOT-BC7972  Delphinium parishii subsp. parishii W. R. Dudley; Frank Haines Lamb 1896-6-7 4350 Los Angeles Kings Canyon, Liebre Mountains Comment
  CHSC35421  Delphinium parishii subsp. parishii James Henrickson 1973-5-12 9599 Los Angeles 6 (air) miles SE of Pearblossom, 4.6 (rd) miles S of Llano in lower portion of Bob's Gap along 165 St. On slopes above arroyo. 1234 Comment
  SBBG119256  Delphinium parishii subsp. parishii L. C. Wheeler 1968-6-1 Los Angeles Devil's Cyn, cmpgrd vicinity; T3N R11W S25 1219 Comment
  UCR281285  Delphinium parishii subsp. parishii R. G. Swinney 2014-4-30 16266 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
  POM155  Delphinium parryi Harry Lowe 1903-5-13 s.n. Los Angeles Collected near Pasadena Comment
  RSA398738  Delphinium parryi N. C. Cooper 1945-5-1 2187 Los Angeles Santa Monica Mountains 762 Comment
  SEINET7063808  Delphinium parryi subsp. maritimum A. G. Vestal 1947-4-26 s.n. Los Angeles Among rocks on a north slope near the west end of a long grade. West end of the Santa Monica Mountains. UTM Zone 11, 343433mE, 3774090mN. (WGS84/NAD83). 250 Comment
  SBBG122088  Delphinium parryi subsp. parryi A. Parikh, N. Gale 2003-5-24 735 Los Angeles Plum Cyn, 1.2 km S of Cruzan Mesa, 2 km W of Sierra Hwy 630 Comment
  SFV22027  Delphinium parryi subsp. parryi V. Soza, I. E. Anderson, L. Gross 2000-6-6 983 b Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. Along Verdugo Mountainway above Brace Canyon, west of junction with Stough Canyon Mountainway. North-northeast-facing slope of ridgetop above fire road. 610 Comment
  UCR174485  Delphinium parryi subsp. parryi Anuja Parikh, Nathan Gale 2005-4-29 2109 Los Angeles Western Transverse Range, Newhall Ranch , River Park area east of I-5, N of Santa Clara River and west of Bouquet Canyon 351 Comment
  CAS-BOT-BC116393  Delphinium patens subsp. hepaticoideum John H. Thomas 1957-5-11 6750 Los Angeles San Gabriel Mtns: About 3 miles north of La Canada near Angeles Crest Highway. 762 Comment
  POM304734  Delphinium pratense Henry J. Ramsey, Henry J. Ramsey 1937-9-2 I 62 Los Angeles Johnny Canyon, Angeles Crest Highway. Comment
  SBBG32110  Dendromecon harfordii R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -265 Los Angeles Black Jack Mtn Comment
  CAS-BOT-BC82896  Dendromecon rigida Geo. B. Grant 1904-6-17 6300 Los Angeles Arroyo Seco Canyon. Comment
  RSA433217  Dendromecon rigida Bonnie C. Templeton, I. W. Clokey 1930-4-8 1061 Los Angeles San Francisquito Canyon, San Gabriel Mts. 900 Comment
  RSA138251  Dendromecon rigida subsp. rigida Peter H. Raven 1959-3-8 13841 Los Angeles on Mulholland Drive 5.0 miles east of Beverly Glen Canyon 335 Comment
  RSA0053897  Descurainia pinnata R. G. Swinney 2010-5-11 12622 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA598850  Descurainia pinnata subsp. glabra Steve Boyd, Timothy S. Ross 1997-3-21 9222 Los Angeles Liebre Mountains, Portal Ridge, head of Broad Canyon, east of VABM King and 0.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, near an abandoned road alignment leading down ridgeline dividing Bleich Canyon and Broad Canyon. 1310 Comment
  RSA747879  Descurainia pinnata subsp. menziesii Justin M. Wood 2009-3-6 337 Los Angeles NW corner of Monte Vista Ave and Foothill Blvd., County line goes through property but most plants were collected in LA County. 402 Comment
  CATA1619  Desmazeria rigida Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2892 Los Angeles Santa Catalina Island: Upper Avalon Canyon, by road above Wrigley Memorial 213 Comment
  UCR256225  Dicentra chrysantha R. G. Swinney 2010-6-4 13049 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 512 Comment
  RSA37394  Dicentra ochroleuca George T. Hastings 1948-7-23 s.n. Los Angeles Santa Monica Mts, along Decker road 610 Comment
  RSA433593  Dicentra ochroleuca Bonnie C. Templeton, I. W. Clokey 1930-4-2 s.n. Los Angeles Mandeville Canyon, Santa Monica Mts Comment
  RSA0056417  Dicentra ochroleuca Bonnie C. Templeton 1930-6-17 1090 Los Angeles Frank's Canyon, north of Beverly Hills. Comment
  RSA0080394  Dichelostemma capitatum R. G. Swinney 2010-3-24 12098 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
  SD86315  Dichelostemma capitatum subsp. capitatum R Mitchel Beauchamp, M. Douglas 1972-3-24 3211 Los Angeles In open area at turnoff for Lamar and Darter Stations, San Clemente Island. 60 Comment
  UCD139201  Dichelostemma capitatum subsp. capitatum A. C. Sanders; Helen Kennedy 2005-4-13 29454 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  POM307771  Dichelostemma capitatum subsp. capitatum Henry J. Ramsey, Henry J. Ramsey 1938-3-23 2560 Los Angeles San Gabriel Wash, below Monrovia. Comment
  RSA213428  Dichelostemma capitatum subsp. capitatum M. B. Dunkle 1939-4-2 7208 Los Angeles San Clemente Island, southeast point. Comment
  RSA70162  Dichelostemma capitatum subsp. capitatum F. W. Peirson 1923-4-12 3485 Los Angeles Wilson s Cove, San Clemente Island Comment
  RSA0066385  Dichondra repens Doris Bowers 1969-9-27 241 Los Angeles Palos Verdes Pen. 305 Comment
  UCR207968  Digitaria sanguinalis L. C. Wheeler 1933-11-19 2271 Los Angeles San Gabriel Mtns, San Gabriel Canyon 335 Comment
  UCR182261  Dimorphotheca sinuata R. G. Swinney, Dave Larson 1998-4-26 6026 Los Angeles San Gabriel Mtns., LaVerne, north Marshall Canyon watershed, 2.1 miles NE of Wheeler Ave. and Golden Hills junction on Sunset Ridge Rd., along dirt motorway 549 Comment
  CHSC26326  Diplacus fremontii John M. Riley 1966-4-23 80 Los Angeles Jct. Hwy 138, 24 mi. west of Victorville. 944 Comment
  CAS-BOT-BC150651  Diplacus longiflorus Edith A. Purer 1935-5-11 6545 Los Angeles [Malibou] Malibu Lodge Road, Santa Monica Mountains Comment
  SD42380  Diplacus longiflorus Carl B. Wolf 1936-4-24 7772 Los Angeles Base of Santa Susana Pass 366 Comment
  RSA0115972  Diplotaxis muralis Geo L. Moxley 1917-3-1 527 Los Angeles Along street Comment
  RSA279013  Distichlis spicata R. F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42189 Los Angeles San Gabriel Mts., Angeles National Forest: Caldwell Lake near Valyermo (sag pond on the San Andreas Fault) 1570 Comment
  SD69358  Distichlis spicata Robert F. Thorne, P. Everett 1965-5-11 34652 Los Angeles Moist ground by small pond behind Cottonwood Dam in Cottonwood Canyon, Santa Catalina Island 46 Comment
  UCD64579  Distichlis spicata Collector Unknown 1992-7-1 Los Angeles Townsley Canyon, Ed Davis County Park. Comment
  SEINET4567381  Distichlis spicata G. Grant 1904-6-5 289 Los Angeles Redondo Comment
  RSA0008593  Dithyrea maritima Jack Rempel 1932-4-10 15272 Los Angeles El Segundo. Comment
  UCR140426  Dodecatheon clevelandii June Latting 1958-3-30 218 Los Angeles San Gabriel Mtns., end of Live Oak Canyon Road, 3 miles north of Claremont 610 Comment
  RSA461496  Dodecatheon clevelandii L. E. Hoffman 1926-3-18 s.n. Los Angeles Arroyo Seco Canyon Comment
  RSA165158  Dodecatheon clevelandii subsp. insulare Mark Parratt 1963-4-26 527 Los Angeles Isthmus Area, Santa Catalina Island. 213 Comment
  SBBG18744  Dodecatheon clevelandii subsp. insulare E. R. Blakley 1963-4-8 5545 Los Angeles ridge S of Avalon Valley above Avalon Terrace 152 Comment
  RSA190978  Dodecatheon clevelandii subsp. insulare Robert F. Thorne, Red Rollins, Doug Propst, R. Carolin 1967-3-18 36745 Los Angeles Lower end Bulrush Canyon. 244 Comment
  SBBG108984  Dodecatheon clevelandii subsp. insulare S. A. Junak 1997-2-25 SCl 730 Los Angeles central part of terrace, just E of San Clemente Island Ridge Rd, 0.2 mi S of intersection with Tombstone Rd 344 Comment
  RSA641077  Dodecatheon redolens Orlando Mistretta 1995-7-12 1925 Los Angeles San Gabriel Mountains: Angeles Crest Highway, 2 miles west of Dawson Saddle. 2317 Comment
  SEINET4856058  Draba vestita Fred Burlew 2995 Los Angeles Mt. San Antonio. Comment
  UC1584050  Drymocallis glandulosa Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4058 Los Angeles ne Tie Summit Station (and e of Angeles Forest Hwy, Tujunga Ranger District, Angeles National Forest, westerly drainage that meets Tie Canyon); San Gabriel Mountains, Angeles National Forest 1463 Comment
  RSA0025906  Dryopteris arguta Justin M. Wood 2012-3-20 4638 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
  CAS-BOT-BC67901  Dryopteris arguta Mrs. Frank 1900-2-1 s.n. Los Angeles Sta. Catalina Island Comment
  RSA692511  Dryopteris arguta H. de Forest 1931-06 17643 Los Angeles Ridge route NW part of L.A. county Comment
  LA34171  Dudleya caespitosa Peter H. Raven; Henry J. Thompson 1959-6-4 14329 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  RSA423510  Dudleya cymosa subsp. pumila L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  RSA83366  Dudleya cymosa subsp. pumila F. W. Peirson 1919-5-14 452 Los Angeles Eaton Canyon. 685 Comment
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Dec 9 2015
  UC1015401  Dudleya densiflora Jack Whitehead and Scott E. Haselton 1946-6-13 733 Los Angeles Fish Canyon San Gabriel Mtns Comment
  CAS-BOT-BC411382  Dudleya lanceolata Geo. L. Fisher 1929-6-9 s.n. Los Angeles San Fernando 304 Comment
  LA104983  Dudleya lanceolata K. Nakai; 1981-7-4 787 Los Angeles San Gabriel Mountains, 0.2 mi W of Clear Creek 320 Comment
  SD73457  Dudleya lanceolata R. S. Woglum 1935-6-15 813 Los Angeles San Gabriel Mountains, San Gabriel River. Comment
  RSA597130  Dudleya pulverulenta L. C. Wheeler 1961-6-12 7855 Los Angeles San Gabriel Mountains. Pacoima Canyon 1/4 mi. upstream from Dutch Louie Campground. 716 Comment
  SEINET3089347 Image available Dudleya virens Jim Dice, Rowena Thompson, Bob Thompson 1983-6-7 350 Los Angeles Palos Verdes Hills, southeast edge of Portuguese Bend, ca. 0.6 km. south of Palos Verdes Drive South, on cliff above ocean. 120 Comment
  RSA623744  Echinochloa crus-galli Charlotte M. Hoak s.n. Los Angeles Santa Monica Canyon. Comment
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May 29 2014
  SEINET5585517  Egeria densa J. L. Johnson, Mike Kepper 1977-1 20563 Los Angeles San Marino. Huntington Garden. Comment
  RSA715120  Ehrharta erecta Daisie Huang 2006-4-27 s.n. Los Angeles Side yard at 160 May Ave., Monrovia, CA. 190 Comment
  UCR220347  Ehrharta longiflora D. E. Bramlet, Mike Ahmer 2005-4-14 3804 Los Angeles Los Angeles Basin Region, Puente Hills in La Habra Heights, alongside (south) of East Skyline Dr., c. 1422 ft. east of Hacienda Blvd., adjacent to water tank and south of an ephemeral drainage 323 Comment
  RSA0087304  Eleocharis R. G. Swinney 2010-9-13 13820 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
  CAS-BOT-BC113047  Eleocharis montevidensis Cecil Hart 1921-8-1 s.n. Los Angeles Howatd & Smiths Nursery, Montebello. Comment
  UCR259192  Eleocharis parishii Mitch Provance, Callen Huff 2009-4-29 10695 Los Angeles Tehachapi Mountains, Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman; site PO1088/1090 1230 Comment
  RSA191173  Eleocharis rostellata Robert F. Thorne, M. Z. Thorne 1967-7-19 37175 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Cienega Springs, above Crystal Lake Recreation Area 1982 Comment
  CATA1710  Elymus condensatus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3030 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon 152 Comment
  LA103199  Elymus condensatus Barry A. Prigge; 1985-6-14 6423 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Canyon, along trail below Murphy Ranch site. 597 Comment
  RSA773621  Elymus elymoides R. G. Swinney 2009-6-24 11234 Los Angeles summit of Granite Mountain 1988 Comment
  RSA239027  Elymus elymoides subsp. elymoides C. W. Tilforth, John Dourley 1973-5-24 817 Los Angeles 2.3 mi. NW of Mile High, above Shoemaker Canyon, north edge of San Gabriel Mountains. Comment
  UCR210213  Elymus glaucus R. G. Swinney 2008-9-10 9420 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  POM1309  Elymus glaucus subsp. glaucus I. M. Johnston 1918-6-2 s.n. Los Angeles San Antonio Mountians, Evey Canyon. 915 Comment
  RSA191141  Elymus glaucus subsp. glaucus R. F. Thorne, M. Z. Thorne 1967-7-19 37141 Los Angeles San Gabriel Mountains, Angeles National Forest, Crystal Lake Recreation Area; above junction of roads to Crystal Lake and Angeles Crest Highway 1555 Comment
  RSA734976  Emmenanthe penduliflora R. G. Swinney 1998-7-2 6212 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  UC24039  Emmenanthe penduliflora J. Burtt Davy May 9 1896-May 24 1896 2638 Los Angeles Leonis Valley; Antelope Valley Comment
  RSA0105025  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-4-26 14488 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA708772  Emmenanthe penduliflora var. penduliflora Valerie L. Soza, Bill Hogshead 2003-4-23 1637 Los Angeles Brand Park, Brand Canyon. 457 Comment
  RSA778714  Encelia actoni R. G. Swinney 2009-6-17 11209 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA781015  Encelia actoni R. G. Swinney 2009-5-13 10785 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  CAS-BOT-BC131215  Encelia californica LeRoy Abrams 1903-3-8 3107 Los Angeles Hillsides near Inglewood Comment
  POM356654  Encelia californica Anstruther Davidson 1892-05 s.n. Los Angeles Los Angeles. Comment
  UCSB45412  Encelia californica Kaplan, Lisa 1979-3-10 Los Angeles Crest Rd. 1 mile north of Ganado Dr., Rancho Palos Verdes 335 Comment
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Jul 23 2007
  UCR205978  Encelia farinosa var. farinosa A. C. Sanders, T. B. Salvato 2009-5-29 37049 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  RSA584307  Ephedra nevadensis T. S. Ross, Steve Boyd 1991-3-23 4249 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development). 851 Comment
  UC1586195  Epilobium brachycarpum Tim Ross 1991-8-16 5819 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' quad (dry stream depression) 1719 Comment
  LA206116  Epilobium canum subsp. canum Louis C. Wheeler; 1931-9-8 150 Los Angeles Eagle Rock 274 Comment
  POM200867  Epilobium canum subsp. canum Carl B. Wolf 1932-10-3 4209 Los Angeles Santa Catalina Island. About 1 1/4 mile from Wrigley Drive on road to Renton Mine (head of right fork of Pebbly Beach canyon) 305 Comment
  RSA526645  Epilobium canum subsp. canum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4218 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  RSA588439  Epilobium canum subsp. canum Fordyce Grinnell Jr. 1911-09 s.n. Los Angeles Bailey Canyon, San Gabriel Mountains. Comment
  SBBG60117  Epilobium canum subsp. canum R. Hoffmann 1927-9-21 Los Angeles Ridge Route (US Hwy 99) Comment
  UC55381  Epilobium canum subsp. canum J. H. Barber 1897-7-2 236 Los Angeles Bear Canyon Comment
  UC56486  Epilobium canum subsp. canum Ernest Braunton Oct. 1902 727 Los Angeles Oak Knoll Comment
  UC1584052  Epilobium canum subsp. latifolium Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4055 Los Angeles ne Tie Summit Station (e of Angeles Forest Hwy; w drainage that meets Tie Canyon); San Gabriel Mountains, Angeles National Forest, Tujunga Rang 1463 Comment
  UCR134332  Epilobium ciliatum Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  RSA588311  Epilobium ciliatum subsp. ciliatum F. R. Fosberg, Joseph A. Ewan 1931-8-11 793 Los Angeles Cienega, 1/2 mile north of Windy Camp, north slope of Mt. Islip, San Gabriel Mtns 2300 Comment
  UC144353  Epilobium ciliatum subsp. ciliatum C. F. Baker 3662 Los Angeles San Antonio Canyon Claremont Comment
  UC56057  Epilobium ciliatum subsp. ciliatum J. H. Barber 1898-8-3 Los Angeles Topango Comment
  HSC87173  Epipactis gigantea M. Hitchcock 1918-7-28 31 Los Angeles Pacoima Canyon Comment
  RSA729391  Epipactis gigantea Richard G. Swinney 1998-7-21 6474 Los Angeles Upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 mi. SW of Fish Fork Trail and Pine Mt. Ridge. 2085 Comment
  RSA0034625  Epipactis gigantea Bonnie C. Templeton 1936-5-18 5665 Los Angeles San Gabrie1 Canyon, 1/2 mile below dam. [San Gabriel Mounntains]. Comment
  RSA660889  Equisetum X ferrissii Gerald Braden 1988-5-22 32 Los Angeles Strawberry Peak. Comment
  POM9735  Equisetum arvense Geo L. Moxley 1916-8-17 509 Los Angeles L.A. riverbed near Broadway Bridge Comment
  IRVC26951  Equisetum laevigatum A. C. Sanders, Mark Elvin 2003-8-7 27166 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  LA94012  Equisetum laevigatum Lawrence L. Kiefer; 1962-12-24 338 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon Comment
  RSA84288  Equisetum laevigatum F. W. Peirson 1920-5-12 2133 Los Angeles El Monte Comment
  UCR172287  Equisetum laevigatum Anuja Parikh, Nathan Gale 2005-7-11 2133 Los Angeles Santa Clara River Valley, Newhall Ranch, N of the Santa Clara River, near Del Valle and the mouth of Chiquito Canyon, study area 29 274 Comment
  UCR189892  Equisetum laevigatum R. G. Swinney 1998-7-21 6462 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, c. 200 m east of Little Fish Fork Campground 2049 Comment
  RSA712906  Eragrostis barrelieri A. C. Sanders, Mark A. Elvin 2002-8-27 25593 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, Santa River Valley, south of Hwy 126. 274 Comment
  RSA794889  Eragrostis cilianensis Justin M. Wood, Brandy Wood 2010-10-16 2941 Los Angeles City of Pomona: California State Polytechnic University, Pomona. Just southwest of intersection of Temple and Campus, just north of the Farm Store. 213 Comment
  CAS-BOT-BC284130  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1961-10-31 6696 Los Angeles Antelope Valley, Avenue A at 90th Street, Mojave Desert 685 Comment
  RSA602308  Eremocarpus setiger L. C. Wheeler 1946-12-14 6450 Los Angeles San Gabriel Mountains: San Dimas Canyon; ca. 1/4 mile upstream from dam. Comment
  LA200983  Eremothera boothii subsp. decorticans Carl Wishner; 1988-3-12 1413 Los Angeles 500.0 Comment
  RSA0104859  Eriastrum densifolium subsp. austromontanum Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8884 Los Angeles Liebre Mountains, along summit of Liebre Mountain, east of the head of Bear Canyon, at the intersection of dirt track leading to Bear Camp and 7N23. 1646 Comment
  UC1871043  Eriastrum densifolium subsp. austromontanum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3961 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  SD234470  Eriastrum densifolium subsp. elongatum Mark S. Brunell 1993-7-14 134 Los Angeles San Gabriel Mtns.: Lower Big Tujunga Creek (upper Tujunga Valley), in center of wash, 400 m N of western end of Wentworth St in ciry of Sunland (Sunland 7.5' Q) 377 Comment
  SBBG52016  Eriastrum filifolium R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -274 Los Angeles S side of White's Landing Comment
  RSA0043242  Eriastrum rosamondense LeRoy Gross 2005-5-19 2295 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
  UCR264993  Eriastrum rosamondense Russell Huddleston, Michelle Balk 2015-4-18 s.n. Los Angeles Western Mojave Desert, SW corner of Edwards Air Force Base, west of Piute Ponds, 0.5 mile S of Ave. 'C' & 0.1 mi. W of Division St./ Shuttle Rd. 701 Comment
  UC84337  Eriastrum sapphirinum Katharine Brandegee May 1899 Los Angeles Ravenna Comment
  UCR222798  Eriastrum sapphirinum R. G. Swinney 2009-5-9 10704 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, San Gabriel River 0.1 mi. north of San Gabriel River Bike Path parking lot at Hwy 39 junction 226 Comment
  RSA0110975  Eriastrum sapphirinum subsp. brevibracteatum A. D. E. Elmer 1902-06 3666 Los Angeles Palmdale Comment
  RSA0122854  Eriastrum sapphirinum subsp. brevibracteatum F. W. Peirson 1921-7-1 922 Los Angeles Arraster Creek. 945 Comment
  CHSC98112  Eriastrum sapphirinum subsp. dasyanthum LeRoy Gross; Laura Moore 2000-6-5 217 Los Angeles Verdugo Mountains: Ridgetop east of Brand and south of Pomeroy Canyons. 304 Comment
  SBBG125870  Eriastrum sapphirinum subsp. dasyanthum A. Parikh, N. Gale 2010-6-10 3272 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 2.8 km NW of State Hwy 14; E Liebre Mtns 1106 Comment
  CAS-BOT-BC514966  Eriastrum sapphirinum subsp. dasyanthum John Thomas Howell 1928-6-10 3879 Los Angeles San Gabriel Mts: Monrovia Canyon, near Deer Park Comment
  CAS-BOT-BC514993  Eriastrum sapphirinum subsp. dasyanthum Ernest Braunton 1902-7-1 547 Los Angeles Sherman Comment
  RSA0121818  Eriastrum sapphirinum subsp. dasyanthum R. F. Thorne, C. W. Tilforth 1971-6-17 39963 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  UCR281662  Ericameria cooperi var. cooperi R. G. Swinney 2014-4-18 16139 Los Angeles San Gabriel Mountains, north end of Alimony Ridge, c. 50 m east of Little Rock Wash, south of Mt. Emma Rd. 957 Comment
  CAS-BOT-BC286884  Ericameria ericoides Peter H. Raven 1957-9-21 11340 Los Angeles At n.w. end of U.C.L.A. campus, Los Angeles Comment
  LA105972  Ericameria ericoides A. C. Sanders; 1987-9-18 7376 Los Angeles El Segundo Dunes, W of Los Angeles Int. Airport and Pershing Dr 38 Comment
  CAS-BOT-BC298895  Ericameria nauseosa var. bernardina I. M. Johnston 1917-8-22 1652 Los Angeles San Antonio Mts. Pine Mt Ridge 2438 Comment
  SBBG62861  Ericameria parishii M. N. Ackley -Sep-1930 184 Los Angeles Valley Forge 1036 Comment
  RSA0102547  Ericameria parryi Richard G. Swinney 2010-9-30 13953 Los Angeles San Gabriel Mountains: 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  CAS-BOT-BC293126  Ericameria pinifolia Louis C. Wheeler 1931-10-17 260 Los Angeles Thompson Creek Wash 411 Comment
  RSA714987  Ericameria pinifolia A. C. Sanders 2003-5-22 26822 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
  POM357602  Erigeron Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  UCR189716  Erigeron breweri R. G. Swinney 1998-7-27 6492 A Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  RSA747413  Erigeron foliosus R. G. Swinney 2008-6-9 8964 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  POM357455  Erigeron foliosus var. foliosus B. C. Templeton 1932-7-21 5047 Los Angeles East Blue Ridge, Big Pines Park. San Gabriel Mountains 2134 Comment
  RSA597396  Erigeron foliosus var. foliosus Timothy S. Ross, Steve Boyd 1990-6-18 3500 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. San Gabriel Mountains. 1744 Comment
  CAS-BOT-BC296189  Erigeron foliosus var. foliosus Geo. L. Moxley 1914-6-20 s.n. Los Angeles Annandale Comment
  SFV13105  Erigeron foliosus var. foliosus W. M. Perry 1980-8-29 112 Los Angeles San Gabriel Mountains Pine Mountain, turnout on dirt road. Comment
  PASA1735  Erigeron philadelphicus Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  CAS-BOT-BC189192  Eriodictyon crassifolium var. nigrescens R. J. Dobbs 1927-6-7 s.n. Los Angeles 1.5 mile below Switzers old trail, San Gabriel Mountains Comment
  UCR192005  Eriodictyon crassifolium var. nigrescens A. C. Sanders 2008-4-17 34925 Los Angeles Transverse Range, hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon 1037 Comment
  SFV8265  Eriodictyon parryi T. Gordon, K. Kimbrough, M. H. Grayum 1976-6-25 1622 Los Angeles San Gabriel Mountains Along Angeles Crest Highway, at head of Upper Big Tujunga Canyon, southeast of Charleton Flats. 1677 Comment
  RSA455063  Eriodictyon trichocalyx var. trichocalyx Samuel R. Tyson 1942-5-5 s.n. Los Angeles San Dimas Canyon. 610 Comment
  RSA529168  Eriodictyon trichocalyx var. trichocalyx Tim S. Ross 1991-7-24 5641 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope. 1902 Comment
  UCR224267  Eriogonum R. G. Swinney 2009-6-24 11271 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
  CAS-BOT-BC248471  Eriogonum angulosum Lester Rowntree 1937-11-15 s.n. Los Angeles Near Palmdale on Mint Canon [Canyon] Road Comment
  RSA594189  Eriogonum angulosum Steve Boyd, Lauren Raz 1996-10-14 9092 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. 991 Comment
  RSA756177  Eriogonum angulosum Orlando Mistretta, Christine Mistretta 2008-4-3 2263 Los Angeles Southern California Edison transmission line tower (Segment 5, Structure 69, per TRTP survey 2008) just south of state Hwy 14 in the vicinity of Soledad Pass 1002 Comment
  RSA757961  Eriogonum angulosum Michael Honer, Crissy Slaughter, Julie Love 2009-4-29 3288 Los Angeles Antelope Valley: 0.75 mi. N of Highway 138, 1.2 mi. E of 170th Street. 793 Comment
  UCR238480  Eriogonum angulosum Orlando Mistretta, Christine Mistretta 2008-5-3 2620 Los Angeles Transverse Ranges; Liebre Mountains, Southern California Edison transmission line tower (Segment 5, structure 29 per TRTP Survey 2008), in the vicinity of Ritter Ridge, just north of Elizabeth Lake Road 911 Comment
  RSA709375  Eriogonum baileyi var. baileyi A. C. Sanders, Mark A. Elvin 2002-6-20 25253 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
  RSA685158  Eriogonum brachyanthum Scott D. White 2003-7-25 9647 Los Angeles Santa Clarita area; Santa Clara River just upstream from Bouquet Canyon bridge. 351 Comment
  LA94745  Eriogonum cinereum Norman A. Cole; May 1964 324 .4 Los Angeles Santa Monica Mountains, 9.7 mi from Pacific Coast Hwy along Piuma Rd 365 Comment
  POM182397  Eriogonum cinereum Joseph A. Ewan 1931-10-24 5293 Los Angeles Escondido Canyon 305 Comment
  RSA40323  Eriogonum cinereum L. S. Rose 1946-12-20 s.n. Los Angeles Malibu. Comment
  UC527612  Eriogonum cinereum C. B. Wolf 1931-1-25 2244 Los Angeles along Beverly Blvd., on grade leading down into Santa Monica Canyon 45 Comment
  UCR241700  Eriogonum cinereum Dan S. Cooper 2012-9-6 912- 72 Los Angeles Los Angeles Basin, Culver City, Baldwin Hills Scenic Overlook 129 Comment
  UCR147299  Eriogonum cithariforme var. agninum Orlando Mistretta 1992-8-20 758 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt. Gleason Management Unit; Mt Gleason, Tujunga Ranger District 1698 Comment
  UCR162298  Eriogonum covilleanum Anuja Parikh, Nathan Gale 2004-6-2 2034 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  POM2279  Eriogonum davidsonii I. M. Johnston 1918-9-1 2134 Los Angeles San Antonio Mountains: Browns Flat 1311 Comment
  SD247478  Eriogonum davidsonii R. G. Swinney 2010-10-8 14002 Los Angeles San Gabriel Mountains: Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  UC472146  Eriogonum elongatum var. elongatum J. Ewan 1931-10-11 5244 Los Angeles n, on Sepulveda Canyon Rd. Mulholland; Santa Monica Mts. Comment
  RSA393301  Eriogonum elongatum var. elongatum M. Bisbee 1917-9-20 148 Los Angeles North hills, Eagle Rock Comment
  OBI35614  Eriogonum fasciculatum Rebecca Cicoria 1981-4-24 20 Los Angeles Purple Cyn, one mi from Crest rd, Rolling HIlls Comment
  POM305240  Eriogonum fasciculatum Henry J. Ramsey, Henry J. Ramsey 1937-5-27 566 Los Angeles Altadena, north Craig Ave. Comment
  RSA653536  Eriogonum fasciculatum Ian Thompson 1997-3-22 1997 Los Angeles Cal Poly Pomona Ecological Reserve, South facing slope of E-canyon. Comment
  PASA1470  Eriogonum fasciculatum subsp. foliolosum Margaret Stason 1928-12-29 Los Angeles Base of Sierra Madre Mts. Comment
  LA52253  Eriogonum fasciculatum var. fasciculatum A. H. Lange; 1951-3-27 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  CAS-BOT-BC253255  Eriogonum fasciculatum var. foliolosum Le Roy Abrams; E. A. McGregor 1908-6-19 339 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  JEPS56983  Eriogonum fasciculatum var. foliolosum Elizabeth Day Palmer 1908-8-15 Los Angeles Los Angeles Comment
  POM187605  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan 1931-10-11 5238 Los Angeles Santa Monica Mountains, Sepulveda Canyon Rd., north of Mullholland. Comment
  UCR157907  Eriogonum fasciculatum var. foliolosum Robert J. Steers 2005-5-8 4 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  RSA194018  Eriogonum giganteum var. formosum R. M. Beauchamp 1967-3-17 256 Los Angeles East of Date 2, San Clemente Island. Comment
  SD73469  Eriogonum giganteum var. giganteum Robert F. Thorne 1966-9-16 36724 Los Angeles Santa Catalina Island: dry rocky top of promontory , Lookout Point SE of Pebbly Beach 46 Comment
  UC412777  Eriogonum gracile Geo. B. Grant 1904-9-15 450 -6422 Los Angeles Pasadena Comment
  RSA0013166  Eriogonum gracile var. gracile Orlando Mistretta, Christine Mistretta 2011-6-11 5680 Los Angeles Near intersection of Aliso Canyon Rd. and Southern California Edison transmission line Corridor, 3.05 miles NW of intersection of Aliso Cyn Rd. and Angeles Forest Hwy. 1000 Comment
  RSA590610  Eriogonum hirtiflorum Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2944 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
  UCR276886  Eriogonum hirtiflorum R. G. Swinney 2011-6-7 15083 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
  HSC34764  Eriogonum inflatum R. E. Cooksey May 1972 3 Los Angeles Pomona College Comment
  OBI39746  Eriogonum mohavense David J. Keil 1977-5-8 12326 Los Angeles Just outside of Saddleback Butte State Park Comment
  CAS-BOT-BC258576  Eriogonum ordii Ralph Hoffmann 1930-6-7 s.n. Los Angeles Piru Creek Comment
  RSA273179  Eriogonum plumatella Glenn A. Gorelick, Chris Henne 1966-8-28 s.n. Los Angeles Behind Chris Henne's home in Pearblossom. Comment
  SFV1017  Eriogonum pusillum M. L. Vincent 1962-5-7 235 Los Angeles San Gabriel Mountains 1 mile off main highway, 0.5 miles northwest of Valyermo. 1140 Comment
  UC1595696  Eriogonum pusillum W. Wisura, E. Roeder 1992-4-21 4702 Los Angeles 0.3 mi n on Valyermo Rd. turnoff to St. Andrews; West Mojave Comment
  JEPS56439  Eriogonum roseum Ralph Hoffmann 1927-8-31 2672 Los Angeles ne Acton Comment
  UC1584268  Eriogonum thurberi Tim Ross, Steve Boyd 1990-6-6 2849 Los Angeles Green Valley Pasture in San Francisquito Canyon San Francisquito Canyon, Lake Hughes USGS 7.5' quad. 926 Comment
  RSA755745  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2008-7-3 9163 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp. 2329 Comment
  CAS-BOT-BC265008  Eriogonum wrightii var. subscaposum John Thomas Howell 1927-11-13 3199 Los Angeles 1 1/2 miles east of Elizabeth Lake on road to Willow Springs, Liebre Mts. 914 Comment
  RSA569410  Eriogonum wrightii var. subscaposum Bonnie C. Templeton 1932-8-26 5101 Los Angeles Big Pines park, San Gabriel Mountains 2088 Comment
  CAS-BOT-BC297958  Eriophyllum confertiflorum Carl B. Wolf 1932-5-9 3437 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach 7 Comment
  RSA603950  Eriophyllum confertiflorum Joseph A. Ewan 1933-6-17 10826 Los Angeles Dry canyon bottom, with Platanus Temescal Canyon, Santa Monica Mts. Comment
  RSA612655  Eriophyllum confertiflorum Anna Christensen 1997-3-16 20 Los Angeles Claremont, Bernard Field Station (Claremont Colleges) NW corner of Mills Ave. and Foothill Blvd. 30 yards from E. fence, 50 yards into N panhandle region. 412 Comment
  RSA660481  Eriophyllum confertiflorum Ian Thompson 1997-3-22 46 Los Angeles Cal Poly Pomona Ecological Reserve, top of North by Northwest facing wall of F-canyon. Comment
  SD234811  Eriophyllum confertiflorum A. C. Sanders 2003-5-1 26247 Los Angeles Western San Gabraiel Mountains: SE side of Castaic Mesa, east of Lake Hughes Road and the filtration plant, Newhall Ranch (Newhall 7.5'Q) 395 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
  UCD132270  Eriophyllum confertiflorum Deanna Hickman; Timothy J. Murphy 1993-5-6 s.n. Los Angeles Santa Susana Mountains, Charmlee Natural Area Park. On Encinal Canyon Road, 4 miles N of Pacific Coast Highway. 274 Comment
  UCR255844  Eriophyllum confertiflorum R. G. Swinney 2010-3-10 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. 488 Comment
  UCR274990  Eriophyllum confertiflorum Michael Honer, Mary Ann Hasskamp 2006-4-19 2209 Los Angeles Tehachapi Mountains area:, C. 1/2 mile north of Quail Lake; 1 mile west of cement plant rd. 1037 Comment
  CAS-BOT-BC308364  Eriophyllum nevinii Geo. B. Grant 1897-9-25 s.n. Los Angeles Santa Catalina Island Comment
  RSA595624  Eriophyllum pringlei L. C. Wheeler 1967-5-9 9381 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  RSA709620  Eriophyllum pringlei LeRoy Gross 2005-4-28 2130 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
  RSA629713  Erodium botrys Louis C. Wheeler 1947-4-27 6471 Los Angeles Arcadia: Woodward Avenue between Santa Anita Avenue and Oakwood Drive. Comment
  UCR205688  Erodium botrys A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36915 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  SBBG67637  Erodium cicutarium M. N. Ackley -Mar-1928 373 Los Angeles Eagle Rock 182 Comment
  UCR274992  Erodium cicutarium Michael Honer, Mary Ann Hasskamp 2006-4-19 2211 Los Angeles Tehachapi Mountains area:, C. 1/2 mile north of Quail Lake; 1 mile west of cement plant rd. 1037 Comment
  UCSB9869  Erodium cicutarium Haller, John 1950-3-30 Los Angeles UCLS; base o faculty hill; near Sunset Blvd Comment
  SEINET1004973  Erodium macrophyllum A. C. Sanders, Mark A. Elvin, et al 2003-1 26263 Los Angeles Western San Gabriel Mtns.: NE side of Castaic Mesa, near Angeles National Forest Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons. 442 Comment
  RSA390929  Erodium moschatum Tom Burch 1940-3-9 4020 -3 Los Angeles Redondo Beach. 0 Comment
  UCR124702  Erysimum capitatum B. C. Templeton 1932-5-31 4842 Los Angeles San Gabriel Mtns., between Big Pines Park and Jackson Lake, Angeles National Forest 2000 Comment
  RSA594747  Erysimum capitatum var. capitatum Timothy S. Ross 1995-4-26 8388 Los Angeles LIEBRE GULCH: along Forest Service Road 8N05 (descending into the gulch from the Tumble Inn site) ca 60 feet ESE of its junction with 8N01 in the canyon bottom. 994 Comment
  UCR280574  Eschscholzia caespitosa R. G. Swinney 2014-6-5 16726 Los Angeles San Gabriel Mountains, Glendora, ridgetop north of Church of the Open Door, adjacent to & east of easternmost Hook Cyn. 427 Comment
  IRVC26200  Eschscholzia californica Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2920 Los Angeles Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. Santa Susana Mtns. 915 Comment
  SBBG70144  Eschscholzia californica R. Hoffmann 1931-4-28 Los Angeles upper Bouquet Cyn Comment
  UCR273279  Eschscholzia californica R. G. Swinney 2011-7-7 15419 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  UCR24592  Eschscholzia glyptosperma Leota Davidson 1965-5-15 181 Los Angeles Mojave Desert, road near Palmdale 930 Comment
  SEINET13383115 Image available Eucalyptus camaldulensis R. G. Swinney 2010-1 12109 Los Angeles San Gabriel Moutains: Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  RSA0012818  Eucalyptus polyanthemos Tim S. Ross, Janet Takara, S. Otte 1993-4-24 6964 Los Angeles Santa Catalina Island. W end of island beyond the isthmus, lower Bouchette Canyon, ca 545 m W of Johnsons Landing, at an old Boy Scout camp. 18 Comment
  CDA9421  Eucrypta chrysanthemifolia D. G. Kelch 1991-3-23 s.n. Los Angeles Catalina Island. East of Avalon. Comment
  SD178147  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato 2005-4-26 29711 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, Plum Canyon Rd. in Mint Canyon, northwest of Forest Park and south of Cruzan Mesa. Under shrubs, on north and south-facing slopes. 594 Comment
  RSA251388  Eucrypta chrysanthemifolia Robert F. Thorne 1966-4-17 36111 Los Angeles San Clemente Island: near bottom of Box Canyon NW of Horse Canyon, SW of Thirst. 213 Comment
  SFV20834  Eucrypta chrysanthemifolia var. chrysanthemifolia L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 702 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 695 Comment
  JEPS33741  Eulobus californicus I. W. Clokey and B. C. Templeton 1930-4-8 5357 Los Angeles San Francisquito Canyon 800 Comment
  UCSB7338  Eulobus californicus Wedberg, Lee 1954-5-7 Los Angeles Sierra Madre Canyon 304 Comment
  UCR132425  Euphorbia albomarginata A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23278 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 579 Comment
  UCD142556  Euphorbia albomarginata Louis C. Wheeler 1946-8-27 6266 Los Angeles San Gabriel Mountains, Shoemaker Canyon just north of Pallett Ranch by side of Pear Blossom Highway. 1219 Comment
  UCR213793  Euphorbia dendroides Scott D. White, Justin M. Wood, Chris Huntley, Jamie Miner 2009-5-12 12685 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  UCR99439  Euphorbia helioscopia L. C. Wheeler 1951-3-10 6799 Los Angeles Pasadena. 955 South Orange Grove Ave. 249 Comment
  OBI35591  Euphorbia lathyris Rebecca Cicoria 1981-5-17 38 Los Angeles Landslide area off Narcissa Dr in Portuguese Bend, Rancho Palos Verdes Comment
  UCR182710  Euphorbia maculata R. G. Swinney 1998-2-16 5896 Los Angeles San Gabriel Mountains/San Gabriel Valley, mouth of San Gabriel River about 100-350 m north of Foothill Blvd., east bank 189 Comment
  RSA607629  Euphorbia prostrata L. C. Wheeler 1951-8-19 6833 Los Angeles Pasadena. 1870 E. Walnut St. Comment
  LA200961  Euphorbia terracina Carl Wishner; Daryl Koutnik 1999-10-4 CW 3456 Los Angeles 10.0 Comment
  RSA0034249  Eurotia lanata Bonnie C. Templeton 1971-5-16 11617 Los Angeles About 7 mi. NE of Palmdale. 815 Comment
  UC1241146  Euryops speciosissimus Peter H. Raven 1959-3-18 13871 Los Angeles Arcadia Los Angeles State and County Arboretum, Arcadia Comment
  UCR151025  Festuca arundinacea Scott D. White 1997-5-7 5060 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  UCR180379  Festuca arundinacea Scott D. White, Pam Devries 2006-5-9 11411 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy and SW of Gorman Post Road 1098 Comment
  LA33398  Festuca arundinacea Peter H. Raven; 1959-5-3 14068 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive 0.5 mi E of Beverly Glen Blvd. 380 Comment
  UCR223626  Festuca microstachys R. G. Swinney 2009-6-3 11053 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  LA206398  Festuca temulenta Frank W. Gould; 1944-4-12 2282 Los Angeles 120th St. at Western Ave Comment
  CAS-BOT-BC412805  Ficus carica R. E. Riefner, Jr. 1998-7-15 98 -447 Los Angeles City of Walnut, Lemon Creek, vicinity Meadow Pass Rd. at Landaluce Ln. 208 Comment
  UCR206532  Ficus carica A. C. Sanders, T. B. Salvato 2009-5-20 36859 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  UCR225180  Ficus carica Steve Boyd, Rick Riefner 2007-4-27 11746 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  RSA0088601  Ficus microcarpa R. E. Riefner Jr. 2015-8-21 15 -341 Los Angeles City of Covina, N of 10-Freeway, E side of Grand Ave. at Walnut Creek, general vicinity of Fairway Ln. 150 Comment
  RSA0116296  Ficus microcarpa R. E. Riefner Jr. 2014-8-11 14 -288 Los Angeles City of Long Beach, Belmont Shores, N side of Ocean Blvd. between Quincy Ave. and Park Ave. 4 Comment
  RSA157788  Filago arizonica Peter H. Raven 1962-5-8 17592 Los Angeles Slopes above Seal Cove, San Clemente Island 24 Comment
  RSA248901  Filago californica R. F. Thorne 1973-4-11 42861 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  RSA639563  Filago californica L. C. Wheeler 1967-5-18 9652 Los Angeles San Gabriel Mountains: Placerita Canyon, vicinity of Oak of the Golden Dream. 478 Comment
  UCR209284  Filago gallica Dan S. Cooper 2009-5-30 509- 09 Los Angeles Eastern Santa Monica Mtns., debris basin along Forest Lawn Dr., west of the cemetery 169 Comment
  CATA19  Foeniculum vulgare USC Wrigley Interns: Daniel Kasang, Sabrina Lawrence-Gomez, Alexandria Cheung, Miller Zou, Sarah Ratay 2011-7-1 5 Los Angeles Santa Catalina Island: Deer Valley Trail 4 Comment
  SBBG108927  Foeniculum vulgare S. A. Junak 1997-4-24 SCl 869 Los Angeles upper portion of Wall Rock Cyn 320 Comment
  UC1586202  Foeniculum vulgare Tim Ross 1991-8-16 5810 Los Angeles 1/5 mi. n.w. Mt. Sally summit (along Angeles Crest Hwy., Upper Big Tujunga Canyon); Chilao Flat Quad., San Gabriel Mts., Upper Big Tujunga Canyo 1524 Comment
  UCSB50274  Foeniculum vulgare Reisentz, Paul 1977-4-23 Los Angeles Near Malibu Lagoon, 5 miles west of Calif. Hwy 27 on Coast Hwy 1 3 Comment
  POM145720  Forestiera pubescens L. R. Abrams 1927-4-30 11747 Los Angeles West of Lancaster. Comment
  SBBG125929  Forestiera pubescens A. Parikh, N. Gale 2010-5-27 3226 Los Angeles Sierra Pelona, 4.3 km W of State Hwy 14, 2 km SW of California Aqueduct; E Liebre Mtns 1060 Comment
  CAS-BOT-BC223423  Fraxinus dipetala Alice Eastwood 1919-5-29 8982 Los Angeles San Gabriel Canyon Comment
  UCR84564  Fraxinus dipetala T. S. Ross, Steve Boyd 1994-5-10 7714 Los Angeles San Gabriel Mtns., Warm Springs Canyon: canyon bottom ad adjacent northerly slopes at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; c. 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon. 683 Comment
  UCR151014  Fraxinus uhdei Scott D. White 1997-5-7 5052 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  UCR224019  Fraxinus uhdei Steve Boyd, Rick Riefner 2007-4-27 11741 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  RSA589972  Fraxinus velutina Orlando Mistretta 1994-3-30 944 Los Angeles San Gabriel Mountains. Little Rock Creek . Slopes E of creek below Little Rock Dam. 960 Comment
  UCR205652  Fraxinus velutina A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37001 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  RSA579443  Fremontodendron californicum subsp. californicum Tim S. Ross, D. L. Banks 1994-6-21 7989 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
  UCR141140  Fremontodendron californicum subsp. californicum June Latting 1973-6-10 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek site, Fenner Canyon 1768 Comment
  JEPS16306  Fritillaria pinetorum P. A. Munz 1922-5-30 5573 Los Angeles head of Swartout Valley (San Antonio Mountains); , Swartout Valley 2194 Comment
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Dec 13 2011
  UCR86549  Galium andrewsii subsp. andrewsii T. S. Ross 1991-9-2 5906 Los Angeles Western Transverse Range; Santa Monica Mtns., near Mulholland Hwy junction with Yerba Buena Rd 473 Comment
  JEPS52808  Galium andrewsii subsp. intermedium Lauramay T. Dempster and G. L. Stebbins 1964-1-27 3983 Los Angeles Hwy 99 4.1 mi s junction with Hwy 38 (e side of ridge, n-facing slope, se of Gorman) Comment
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Jul 16 2008
  UCR259238  Galium angustifolium R. G. Swinney 2010-9-9 13749 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
  JEPS56023  Galium angustifolium subsp. angustifolium Lauramay T. Dempster 1967-12-29 4370 Los Angeles on hillside e Wrigley monument (sw of Avalon); Santa Catalina Island 152 Comment
  UC416625  Galium angustifolium subsp. angustifolium R. L. Pendleton 1909-7-2 1359 Los Angeles road e Avalon; Santa Catalina Id. 9 Comment
  JEPS9472  Galium angustifolium subsp. angustifolium Peirson 1918-6-28 213 a Los Angeles foothills e Rubio Canyon Comment
  RSA158024  Galium angustifolium subsp. angustifolium Peter H. Raven 1962-5-20 17770 Los Angeles Road above Pebbly Beach, Santa Catalina Island. 61 Comment
  UCR71156  Galium aparine Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4370 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  POM367742  Galium aparine M. B. Dunkle 1933-4-19 3317 Los Angeles Palos Verde Hills, north slope. Comment
  RSA747285  Galium aparine R. G. Swinney 2008-5-30 8877 Los Angeles San Gabriel Mtns.: San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  UCD121733  Galium aparine C. W. Tilforth 1969-5-31 195 Los Angeles Small canyon east of Colima Ave., north of Whittier. Comment
  RSA629743  Galium catalinense subsp. catalinense Louis C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. 0.3 mile south southeast Isthmus Bench Mark. 122 Comment
  CAS-BOT-BC217513  Galium grande Timothy S. Ross 1993-6-1 7354 Los Angeles Upper Winter Creek Trail bewteen Chantry Flat and Hoegee Camp on Winter Creek, on the W side of Santa Anita Canyon, San Gabriel Mountains 816 Comment
  UC1929779  Galium grande Valerie Soza, Bill Hogshead 2003-5-6 1649 a Los Angeles Transverse Ranges; San Gabriel Mountains region; Chantry Flat Road (2N41) just below Chantry Flat heliport. 732 Comment
  RSA67120  Galium hallii F. W. Peirson 1918-6-17 214 Los Angeles Rock Creek, northern base of San Gabriel Mountains. 1677 Comment
  RSA532652  Galium jepsonii Tim S. Ross 1991-8-14 5769 Los Angeles Roundtop [Mountain]: San Gabriel Mountains: Southwesterly ridge descending from the summit. 1829 Comment
  JEPS9486  Galium johnstonii F. W. Peirson 1922-7-5 3159 Los Angeles n Big Pines; San Gabriel Mts., Le Montaine 2225 Comment
  SD69652  Galium nuttallii subsp. insulare Robert F. Thorne 1967-5-18 36868 Los Angeles Santa Catalina Island; dry slope, Salta Verde, above Wild Boar Gully (Cercocarpus Arroyo) 700 Comment
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Apr 4 2012
  SD84897  Galium nuttallii subsp. insulare Reid Moran, 23 Feb 1941 1941-2-23 606 Los Angeles Santa Catalina Island: South of Johnson's Valley. On grassy hillsdide. 199 Comment
  LA211119  Galium parisiense Arthur C. Gibson; Tarja Sagar 2009-6-30 5261 Los Angeles SANTA MONICA MOUNTAINS, Along service road, SMMNRA Peter Strauss. Comment
  JEPS22245  Galium porrigens var. porrigens Rimo Bacigalupi with R. Alava 1958-7-20 6401 Los Angeles close to Angeles Crest Hwy. (State Hwy. 2); San Gabriel Mts., Angeles Nat'l For., Charlton Flat 1623 Comment
  RSA611526  Garrya veatchii Louis C. Wheeler 1968-10-5 s.n. Los Angeles San Gabriel Mountains: Rincon Canyon at Pine Mt. Truck Trail. 762 Comment
  UCD66726  Gastridium phleoides Katharine Brandegee Date Unknown Los Angeles Catalina Island. Comment
  CAS-BOT-BC478490  Gayophytum Elizabeth McClintock 1965-7-2 227 Los Angeles San Gabriel Mountains, Table Mountain, above Wrightwood 2133 Comment
  PASA1904  Gayophytum ramosissimum Margaret Stason 1931-6-13 Los Angeles Buckhorn Flats, San Gabriel Mountains Comment
  OBI69275  Genista linifolia John Knapp, Denise Knapp 2003-4-13 6 Los Angeles Catalina Island 37 Comment
  UCR256592  Geranium rotundifolium Anuja Parikh, Nathan Gale 2011-5-21 3395 Los Angeles South Coast, San Gabriel River, just west of I-605, 0.7 km north of Lower Azusa Rd/Los Angeles St. 109 Comment
  RSA0112636  Gilia A. C. Sanders 2005-5-11 30160 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons. 610 Comment
  RSA587751  Gilia T. S. Ross 1991-4-27 4624 -a Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  UC311255  Gilia achilleifolia subsp. achilleifolia Philip A. Munz 1926-4-4 10017 Los Angeles 2 mi n Saugus; n of Saugus Comment
  HSC34731  Gilia achilleifolia subsp. multicaulis R. E. Cooksey 1972-4-10 29 Los Angeles Blanchard Park, Pomona College 335 Comment
  POM10177  Gilia angelensis P. A. Munz, R. D. Harwood 1920-4-21 3685 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  SBBG91831  Gilia angelensis S. A. Junak 1978-4-16 SCa 048 Los Angeles slopes above N side of Isthmus Cove, Two Harbors 45 Comment
  SD241127  Gilia angelensis Mark A. Elvin 2003-4-22 2529 Los Angeles Western Transverse Range: Newhall Ranch, bee site on open former oil well pad just east of Grapevine Mesa, S. of Santa Clara River and Hwy 126, c. 4 mi east of Ventura Co. line (Val Verde 7.5'Q) 341 Comment
  SFV2859  Gilia angelensis M. L. Vincent 1963-5-7 337 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.25 miles off the main road at the top of the pass on a small path. 489 Comment
  SFV2861  Gilia australis K. A. Wilson 1961-4-20 1149 Los Angeles San Gabriel Mountains Soledad Canyon. Sandy wash at base of Bee Canyon. 550 Comment
  UCR259205  Gilia brecciarum Mitch Provance, Callen Huff 2009-4-29 10680 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 0.6 mile north of Gorman; site PO1091 1432 Comment
  IRVC26202  Gilia capitata Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2919 Los Angeles Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. Santa Susana Mtns. 915 Comment
  RSA712913  Gilia capitata A. C. Sanders, Mark Elvin 2003-4-16 26038 Los Angeles Santa Clara River watershed: Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi south of of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  RSA698340  Gilia capitata Elisabeth Norland 1929-4-14 s.n. Los Angeles Hansen-Calif-Sandy field along roadside. Comment
  RSA470207  Gilia capitata subsp. abrotanifolia Florence Collins 1942-2-27 s.n. Los Angeles Griffith Park Planetarium. Comment
  RSA678392  Gilia capitata subsp. abrotanifolia Valerie L. Soza, LeRoy Gross 2002-4-3 1375 Los Angeles West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 518 Comment
  UCSB5037  Gilia capitata subsp. abrotanifolia 1934-5-1 Los Angeles Panorama Comment
  UC963955  Gilia latiflora subsp. davyi R. F. Hoover 1938-4-16 3119 Los Angeles near Bailey's (Upper Antelope Valley); upper Antelope Valley, near Bailey's Comment
  CAS-BOT-BC226322  Gilia latiflora subsp. davyi Kevin Connelly 1980-4-28 s.n. Los Angeles Northwestern Mojave Desert, where Lancaster Rd. crosses the Calif. Aqueduct Comment
  CAS-BOT-BC226333  Gilia latiflora subsp. davyi Stevens No date on label s.n. Los Angeles Antelope Valley, Mojave Desert Comment
  SEINET5512237  Gilia latifolia E A Carl 1964-1 Los Angeles Palmdale Blvd between 100th & 150th Streets W near Palmdale. Drainage area: Antelope Valley 792 Comment
  UCR64535  Gilia minor A. C. Sanders, E. J. Lawlor 1988-4-3 7738 Los Angeles Mojave Desert, at the northern edge of Lancaster, just NE of the intersection of Ave. 30 and Ave. E. Saline flats (probably an old lake bed) west of Rosamond Dry Lake 701 Comment
  RSA77387  Gilia minor E. K. Balls 1952-4-26 8519 Los Angeles 9.7 miles NE & W of Desert Springs, along Hwy 138 to Palmdale. 1067 Comment
  RSA251405  Gilia nevinii R. F. Thorne 1966-4-16 36058 Los Angeles San Clemente Island, canyon below Lemon Tank, near dump, south of Nanny, northeast side of island. 183 Comment
  UCR71504  Gilia nevinii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4425 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  RSA469482  Gilia ochroleuca subsp. bizonata Anstruther Davidson 1906-6-1 1931 Los Angeles Big Rock Creek, Lowell Mine. Comment
  UC23816  Gilia ochroleuca subsp. bizonata J. Burtt Davy May 9 1896-May 24 1896 2519 Los Angeles Manzana Antelope Valley, Manzana Comment
  UCR223457  Gilia ochroleuca subsp. bizonata R. G. Swinney 2009-6-8 11098 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  RSA0016174  Gilia ochroleuca subsp. ochroleuca R. G. Swinney 1998-5-16 6096 Los Angeles San Gabrial 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
  RSA469632A  Gilia sinuata H. E. Hasse, Davidson 1906-7-1 1610 Los Angeles Big Rock Creek. Comment
  RSA515217  Gilia sinuata Steve Boyd, Orlando Mistretta 1986-3-31 1528 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  UCR60815  Gilia sinuata Steve Boyd, Orlando Mistretta 1986-3-31 1528 Los Angeles Mojave Desert, Hwy 138, 4 mi east of junction with Hwy 18, NE of Pinyon Hills Comment
  RSA771843  Gilia splendens R. G. Swinney 2009-5-28 10936 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR108648  Githopsis diffusa subsp. diffusa L. C. Wheeler 1967-5-18 9643 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  CAS-BOT-BC303782  Glyptopleura setulosa Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9491 Los Angeles Between Roosevelt and Wilsonia Comment
  RSA747065  Gnaphalium californicum R. G. Swinney 2008-5-30 8898 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  POM96944  Gnaphalium californicum P. A. Munz 1925-4-23 9407 Los Angeles San Gabriel Canyon. 305 Comment
  RSA658482  Gnaphalium californicum Patricia Kouo 1994-4-27 944118 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
  RSA610209  Gnaphalium canescens subsp. microcephalum L. C. Wheeler 1970-9-3 s.n. Los Angeles San Gabriel Mountains: Henninger Flats. 793 Comment
  POM358817  Gnaphalium chilense Anstruther Davidson 1917-06 s.n. Los Angeles Crescenta. Comment
  UCR187211  Gnaphalium luteoalbum A. C. Sanders 2006-4-21 32134 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles east of Quail Lake, east of the Cement Plant Rd. and SE of Calif. Aqueduct, c. 0.25 mi. north of Hwy 138 1037 Comment
  UCR141019  Grayia spinosa June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  RSA127786  Grindelia camporum var. bracteosa Peter H. Raven, H. J. Thompson 1959-6-4 14344 Los Angeles Point Dume 15 Comment
  SBBG8277  Grindelia hirsutula R. Hoffmann 1927-7-14 Los Angeles Elizabeth Lake Comment
  UC56769  Guillenia lasiophylla W. A. Setchell 1901-3-13 Los Angeles Elysian Park Comment
  UC111187  Hazardia squarrosa var. grindelioides J. and H. W. Grinnell 1906-10-14 381 Los Angeles foothills at Sierra Madre near Pasadena Comment
  RSA648285  Hedera helix Peter J. Estournes 1981-5-27 36 Los Angeles 2550 North Towne Avenue. Pomona. Comment
  UCR255498  Hedera helix Dan S. Cooper 2014-6-26 614- 74 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, Cadman Canyon 155 Comment
  RSA202450  Hedypnois cretica R. L. Armacost 1964-1-17 1715 Los Angeles Playa del Rey Comment
  RSA640036  Hedypnois cretica Steven A. Junak 1996-5-16 470 Los Angeles San Clemente Island: S end of island, just W of intersection of San Clemente Ridge road and road to Observation Post # (Building #6090). N side of cement helicopterpad, near plants, disturbed flats. 98 Comment
  RSA228957  Helenium bigelovii R. F. Thorne 1971-8-25 41309 Los Angeles San Gabriel Mountains, Angeles National Forest: At Windy Spring on N slope of Mt. Islip. 2256 Comment
  RSA600756  Helianthus annuus L. C. Wheeler 1967-6-16 9856 Los Angeles San Gabriel Mountains : North side of Sunset Ridge under power line, Millard Canyon. 579 Comment
  SEINET5781989 Image available Helianthus annuus Marcus E. Jones 1882-1 3029 Los Angeles Pasadena Comment
  UC88921  Helianthus nuttallii subsp. parishii Rev. J. C. Nevin Los Angeles Cienega Comment
  RSA442037  Heliomeris hispida Anstruther Davidson 1889-06 2030 Los Angeles Los Angeles. Comment
  RSA0013474  Heliotropium curassavicum var. oculatum Orlando Mistretta, Youssef Atallah 2011-8-16 6046 Los Angeles Aliso Canyon; 1.4 miles north of Mill Creek Summit. 1338 Comment
  CATA1131  Helminthotheca echioides Mark L. Hoefs 1995-5-23 2118 Los Angeles Santa Catalina Island: Middle Canyon at Thompson Reservoir 195 Comment
  SFV7296  Helminthotheca echioides T. Gordon, K. Kimbrough 1975-2-15 794 Los Angeles Los Angeles Basin Los Angeles, Elysian Park. 213 Comment
  CAS-BOT-BC310101  Hemizonella minima Frank W. Peirson 1920-6-10 238 Los Angeles San Gabriel Mts. Summit Mt. Wilson Comment
  IRVC28663  Hemizonia fasciculata A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25100 Los Angeles Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 335 Comment
  RSA696926  Hemizonia fasciculata J. Vlahos 1935-6-27 s.n. Los Angeles Santa Catalina Island, Isthmus. Comment
  SBBG101133  Herniaria hirsuta var. cinerea T. Ross, E. Kellogg 1992-4-11 6116 Los Angeles ridge between W fork of China Cyn and small lateral draw that meets it at 850 ft; 100 deg e, 490 m distant from 1448' Benchmark 384 Comment
  LA200649  Hesperolinon micranthum Peter H. Raven; David S. Verity 1960-5-7 15324 Los Angeles Santa Monica Mountains, Arroyo Sequit 243 Comment
  SEINET5778845 Image available Hesperoyucca whipplei Marcus E. Jones 1882-1 Los Angeles Pasadena Comment
  UCR280512  Hesperoyucca whipplei R. G. Swinney 2014-5-13 16503 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  RSA0110531  Heterocodon rariflorum R. G. Swinney 2011-6-15 15204 Los Angeles San Gabriel Mountains; Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy. 1631 Comment
  RSA229209  Heterocodon rariflorum R. F. Thorne, C. W. Tilforth 1971-6-30 40828 a Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  CAS-BOT-BC143680  Heteromeles arbutifolia Peter H. Raven; R. Snow 1957-7-25 11061 B Los Angeles Near Morris Reservoir, San Gabriel Mts. Comment
  UC1128098  Heteromeles arbutifolia R. St. John 1930-2-12 91 Los Angeles Head of Galvin Canyon; Santa Susana Quad. 609 Comment
  UC1211003  Heteromeles arbutifolia Huron H. Smith 1912-6-18 5117 Los Angeles Santa Catalina Island; Rock Spring Canyon 15 Comment
  UCR172733  Heteromeles arbutifolia Sandra Murcia, Gregg Miller 2006-3-10 s.n. Los Angeles South Coast, Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palos Verdes 366 Comment
  UCR219567  Heteromeles arbutifolia R. G. Swinney 2009-3-28 10204 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  RSA0074519  Heterotheca fastigiata Anstruther Davidson 1441 Los Angeles Rock Creek Comment
  UCR210485  Heterotheca grandiflora R. G. Swinney 2008-11-30 9873 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  RSA0074407  Heterotheca grandiflora M. B. Dunkle 1928-11-25 2036 Los Angeles Hamilton Canyon, Santa Catalina Island. Comment
  RSA0074427  Heterotheca grandiflora Fordyce Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles River bottom, near Los Angeles. Comment
  UC1215245  Heterotheca grandiflora Peter H. Raven 1962-4-11 17285 Los Angeles n of a point due w Wall 2 (on a large dune); San Clemente Island 30 Comment
  SBBG126040  Heuchera caespitosa O. Mistretta with C. Mistretta 2008-5-20 3136 Los Angeles Rincon Red Box Rd W fork of the San Gabriel River, N slope of Monrovia Pk; San Gabriel Mtns 1150 Comment
  CAS-BOT-BC319765  Hieracium argutum F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena, San Gabriel Mountains Comment
  POM360458  Hieracium argutum Anstruther Davidson 1892-8-20 2040 Los Angeles Santa Anita Canyon Comment
  RSA647902  Hirschfeldia incana LeRoy Gross, Wayne Law 2000-8-8 251 Los Angeles Big Tujunga Wash/ Verdugo Mountains region: East of Hansen Dam, entered at Orcas Ave. Parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 325 Comment
  SD52888  Hirschfeldia incana Peter H. Raven 1962-5-9 17660 Los Angeles San Clemente Island; near observation point on slope overlooking Pyramid Cove. 170 Comment
  POM243679  Holodiscus discolor F. R. Fosberg 1931-7-16 S- 5436 Los Angeles Gallaghers Canyon, Santa Catalina Island. Comment
  CAS-BOT-BC149955  Holodiscus discolor var. discolor Joseph Andorfer Ewan 1933-7-4 7853 Los Angeles Sturdevant Trail, Santa Anita Canyon, San Gabriel Mts. 1066 Comment
  UCR13478  Hordeum depressum 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
  UC625138  Hordeum intercedens F. R. Fosberg 1931-4-22 S 4666 Los Angeles Santa Catalina Isl., Middle Ranch Canyon, Eagles Nest Comment
  RSA625515  Hordeum marinum subsp. gussoneanum L. C. Wheeler 1945-4-17 6018 Los Angeles Near intersection of Slauson and Garfield Ave. 3 miles south of Montebello. Comment
  SBBG43171  Hordeum marinum subsp. gussoneanum R. M. Beauchamp 1976-5-22 4162 Los Angeles curve in rd N of Middle Ranch site and W of Boulder 472 Comment
  RSA0081304  Hordeum murinum R. G. Swinney 2010-3-24 12054 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCD86251  Hordeum murinum Gordon Pilone 1961-3-13 166 Los Angeles Wash area of Pomona College in Claremont. 365 Comment
  RSA639099  Hordeum murinum subsp. leporinum L. C. Wheeler 1967-5-15 9567 Los Angeles Ridge immediately east of Fremont Pass. 579 Comment
  RSA187920  Hordeum vulgare R. F. Thorne 1966-4-29 36275 Los Angeles Santa Catalina Island: above ranch in Middle Ranch Canyon 229 Comment
  LA202433  Hordeum vulgare var. trifurcatum Arthur C. Gibson; 2006-4-5 5117 Los Angeles Simi Hills, S Chatsworth Comment
  CAS-BOT-BC532292  Horkelia cuneata var. puberula Edith A. Purer 1935-5-11 6592 Los Angeles Santa Monica Mountains, near junction of Malibu Lodge Road & Ventura Boulevard Comment
  CAS-BOT-BC213006  Hosackia crassifolia Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3355 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin) 1731 Comment
  LA47883  Hosackia crassifolia var. crassifolia Mary V. Hood; 1943-7-11 43- 85 k* Los Angeles near Charlton Flat 1310 Comment
  SBBG45103  Hosackia crassifolia var. crassifolia V. Duran 1933-7-8 3504 Los Angeles Horse Flats 1676 Comment
  UCR255825  Hulsea heterochroma R. G. Swinney 2010-9-23 13875 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  UCR272948  Hulsea heterochroma R. G. Swinney 2011-8-5 15609 Los Angeles San Gabriel Mountains, summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy 2698 Comment
  RSA679993  Hulsea vestita subsp. gabrielensis LeRoy Gross, Michael Denslow 2003-6-4 975 Los Angeles Trail from Islip Saddle to Mt. Williamson 2195 Comment
  RSA695506  Hulsea vestita subsp. gabrielensis Valerie L. Soza, Sarah J. DeGroot 2003-6-18 1690 Los Angeles Upper Cooper Canyon, along Forest Service Road 2000.5, northeast of Cloudburst Summit, approximatly 0.6 miles above Cooper Canyon trail Camp on east slopes of Winston Peak. 1982 Comment
  SFV17597  Hulsea vestita subsp. gabrielensis J. N. Hogue, L. H. Hogue 1998-7-2 116 .11 Los Angeles San Gabriel Mountains Granite Mountain. Roundtop campground. 1951 Comment
  SFV12178  Hydrocotyle verticillata B. J. McCaskill, B. Leard 1968-6-2 733 Los Angeles Arcadia. Behind residence at 532 North Catalpa Road. Comment
  UCR255814  Hypochaeris glabra R. G. Swinney 2010-5-4 12497 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
  SBBG112934  Isocoma menziesii S. A. Junak with K. Kirkland 1979-11-15 SCa 485 Los Angeles 1 mi N of Cactus Pk, at E end of conspicuous limestone ridge 387 Comment
  CAS-BOT-BC311709  Isocoma menziesii var. vernonioides F. Grinnell Jr. 1917-9-9 s.n. Los Angeles Cahuenga Pass. Near Los Angeles Comment
  UCD133399  Jaumea carnosa P. Schiffman; R. van de Hock 1996-7-29 s.n. Los Angeles Santa Catalina Island, Ballast Point - low finger of land extending into Catalina Harbor. Comment
  CAS-BOT-BC101895  Juglans californica LeRoy Abrams 1901-4-1 221 Los Angeles Santa Monica Mts. Comment
  CAS-BOT-BC101905  Juglans californica Louis C. Wheeler 1931-11-11 351 Los Angeles N side Santa Monica Mts. opp. Franklin Canyon 365 Comment
  RSA401014  Juglans californica Elbert Benjamine 1929-2-24 47 Los Angeles Laurel Canyon, Hollywood Comment
  UCR170412  Juglans californica Alex R. Van Dam 2004-5-8 023 Los Angeles Western Transverse Range; Santa Monica Mtns., slope behind residence at 9746 Yoakum Drive, Beverly Hills 305 Comment
  UCR228700  Juglans californica Wesley O. Griesel 1987-4-7 s.n. Los Angeles San Rafael Hills, Descanso Gardens Comment
  RSA592231  Juglans californica var. californica Louis C. Wheeler 1967-4-30 9251 Los Angeles Foothills ca. 1/10 mile SE of mouth of Pacoima Canyon, ca. 300 yards from Pacoima Wash. 473 Comment
  UC34949  Juglans californica var. californica unknown Los Angeles Azusa Comment
  UCR191162  Juncus R. G. Swinney 1999-6-28 7459 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1506 Comment
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Dec 7 2018
  UCR277001  Juncus R. G. Swinney 2010-9-30 13897 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
  LA19837  Juncus bufonius A. M. Johnson; 1928-4-7 295 Los Angeles SANTA MONICA MOUNTAINS, Los Angeles River, Griffith Park Comment
  SEINET4566927 Image available Juncus bufonius F. R. Fosberg 1931-5-4 S 4751 Los Angeles Middle Ranch Canyon, 2nd bridge below Eagle's Nest, Santa Catalina Island. 140 Comment
  CATA1134  Juncus bufonius var. bufonius Mark L. Hoefs 1995-5-23 2123 Los Angeles Santa Catalina Island: Middle Canyon at Thompson Reservoir 195 Comment
  RSA710725  Juncus macrophyllus Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1345 Los Angeles La Crescenta Valley Park, near confluence of Verdugo Wash and Cunningham Canyon. 442 Comment
  UC2030048  Juncus macrophyllus Louis C. Wheeler 1966-10-1 8940 Los Angeles SAN GABRIEL MOUNTAINS: Millie's Orchard, lower Colby Ranch, Coldwater Canyon. Comment
  UCR178954  Juncus rugulosus R. G. Swinney 1988-9-5 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon Debris basin 335 Comment
  RSA368139  Juncus textilis Louis Greata 1901-03 s.n. Los Angeles Garvanza. Comment
  RSA594408  Juncus torreyi Steve Boyd, Lauren Raz 1996-10-14 9087 Los Angeles Liebre Mountains region, southwest end of Quail Lake, in seasonally flooded depression on south side of Highway 138. 1021 Comment
  JEPS67078  Juncus xiphioides Frank W. Peirson 1919-6-15 488 Los Angeles Rock Creek San Gabriel Mountains Comment
  RSA187773  Juncus xiphioides Robert F. Thorne 1966-9-14 36652 Los Angeles Santa Catalina Island: behind Ben Weston Beach 3 Comment
  CAS-BOT-BC81007  Juniperus californica Alice Eastwood 1906-5-27 225 Los Angeles Roscoe Comment
  CAS-BOT-BC235741  Keckiella cordifolia Grant 1901-4-8 3758 Los Angeles Avalon Comment
  RSA177829  Keckiella cordifolia Robert F. Thorne, Percy C. Everett 1965-5-10 34427 Los Angeles Cape Canyon, Santa Catalina Island. 290 Comment
  UC450791  Keckiella cordifolia Fay A. MacFadden May 1931 3005 Los Angeles Tuna Canyon; Verdugo Hills Comment
  RSA401779A  Keckiella cordifolia Jessie Velo 1949-6-24 4234 Los Angeles Los Padres National Forest. Comment
  POM50661  Keckiella ternata subsp. septentrionalis A. D. E. Elmer 1902-06 3597 Los Angeles Acton, Mt. Gleason. Comment
  POM308397  Keckiella ternata subsp. ternata Henry J. Ramsey, Henry J. Ramsey 1937-7-18 3123 Los Angeles Soldier's Creek, San Gabriel Mountains Comment
  POM4266  Keckiella ternata subsp. ternata I. M. Johnston 1917-8-23 1676 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  RSA639154  Keckiella ternata subsp. ternata 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. 1616 Comment
  UCR190786  Krascheninnikovia lanata R. G. Swinney 2001-4-18 7921 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  LA32080  Lactuca serriola Peter H. Raven; Henry J. Thompson 1959-9-18 sn Los Angeles West Los Angeles, along railroad tracks, Santa Monica Boulevard near Beverly Glen Boulevard 76 Comment
  SEINET6050464  Lactuca serriola Unknown 1996-9-24 8952 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CAS-BOT-BC341491  Lagophylla ramosissima James I. McMurphy 1916-8-7 s.n. Los Angeles Tejon Pass Comment
  RSA488124  Lagophylla ramosissima Fred M. Roberts 1985-7-26 2099 Los Angeles Santa Ana Mtns: Main Divide Truck Trail, 0.5km N Blue Jay Campground, 2.2km ESE Los Pinos Peak. 1005 Comment
  RSA712381  Lamarckia aurea A. C. Sanders 2003-3-14 25746 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
  SBBG13321  Lamarckia aurea M. A. Piehl 1962-6-9 62369 Los Angeles Thirst 597 Comment
  SD218912  Lamarckia aurea Edith A. Purer 1931-5-8 2060 A Los Angeles Griffith Park. Comment
  LA35909  Lamarckia aurea Peter H. Raven; 1960-4-2 14864 Los Angeles 487 Comment
  SEINET10598981  Lamarckia aurea Cyrus G. Pringle 1882-5-9 Pringle 15083 Los Angeles Comment
  UCR59550  Larrea tridentata Ed LaRue 1989-5-11 s.n. Los Angeles Western Mojave Desert, Palmdale, c. 0.5 mi (air) east of Alpine Springs [Mobile Home] Park, c. 0.5 mi. (air) north of point where Hwy 138 [=Sierra Hwy or Pearblossom Hwy] crosses California Aqueduct & c. 0.75 mi. (air) south of Ave. S 856 Comment
  CAS-BOT-BC337928  Lasthenia californica A. C. Sanders; Mark Elvin; et al 2003-4-14 25952 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  LA103298  Lasthenia californica Barry A. Prigge; 1986-3-19 6932 Los Angeles Santa Monica Mountains, Leo Carrillo State Beach, 0.3 mi W of Mulholland Hwy on Pacific Coast Hwy 30 Comment
  POM6024  Lasthenia californica L. R. Abrams 1901-4-1 1188 Los Angeles Ballona Harbor. Comment
  SD69866  Lasthenia californica Robert F. Thorne 1966-4-6 35927 Los Angeles Santa Catalina Island; 1.0 mile west of Empire Landing. 74 Comment
  SFV3753  Lasthenia californica P. G. Kilburn 1958-3-29 674 Los Angeles Santa Susana Mountains Standard Oil property adjoining Phil Gentile Ranch. 457 Comment
  POM361600  Lasthenia californica James Richards 1949-4-27 4276 Los Angeles Los Padres National Forest. 457 Comment
  RSA0107286  Lasthenia gracilis R. G. Swinney 2011-5-10 14656 Los Angeles San Gabriel Mountains: Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch. 573 Comment
  RSA590340  Lasthenia gracilis Timothy S. Ross 1993-4-21 6854 Los Angeles Santa Catalina Island, SW part of the Island in the vicinity of Cactus Peak (1560ft), slope and small ridges N of Cactus Peak summit 427 Comment
  UCR124102  Lasthenia gracilis Steven R. Hill, K. Kramer 2001-4-22 33341 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  UCR187273  Lasthenia gracilis A. C. Sanders 2006-4-18 32101 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  RSA545282  Lasthenia gracilis D. Propst, Mark Hoefs 1973-3-3 41 Los Angeles Santa Catalina Island: Airport road just below airport 457 Comment
  RSA711508  Lathyrus tingitanus Alison Lipman 1998-6-1 s.n. Los Angeles South Coastal Plains Region: Forestal property, Rancho Palos Verdes. 305 Comment
  RSA11605  Lathyrus vestitus subsp. laevicarpus C. Epling, R. Fowler, K. Kneen 1933-04 s.n. Los Angeles Santa Monica Mtns, Boney Ridge. Comment
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Nov 11 2014
  SD90439  Lathyrus vestitus var. vestitus Donald R. Bissing 1973-3-29 28 Los Angeles San Gabriel Mountains, Evey Canyon, on NE canyon wall in open grassy area, 1 mile from mouthof canyon 975 Comment
  RSA705046  Lathyrus vestitus var. vestitus E. A. Purer 1935-5-11 6561 Los Angeles Malibu Road, [Santa Monica Mountains] Comment
  SFV16354  Lavatera assurgentiflora subsp. glabra P. M. Schiffman, R. van de Hoek 1996-7-29 s. n. Los Angeles California Channel Islands Santa Catalina Island. Bird Rock near Isthmus Harbor. Bird guano covered rock just off shore. Bird Rock #1. 1 Comment
  UCR73400  Lavatera cretica T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5140 Los Angeles Channel Islands, San Clemente Island, beginning of Larkspur Canyon drainage, 900 feet SSE of the 924 ft. benchmark at the E end of the old airfield landing strip. 267 Comment
  UCR259099  Layia glandulosa Mitch Provance, Callen Huff 2009-4-29 10689 Los Angeles Tehachapi Mountains, Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman; site PO1088/1090 1230 Comment
  UCR270052  Layia glandulosa R. G. Swinney 2011-4-20 14429 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  RSA550008  Layia glandulosa Walter Wisura, E. Roeder 1992-4-21 4689 Los Angeles 0.1mi. W of Hwy 138 on Fort Tejon Rd. Comment
  RSA756171  Layia glandulosa Orlando Mistretta, Christine Mistretta 2008-4-4 2336 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 53 per TRTP survey; 2008) 1220 Comment
  UC468914  Layia glandulosa Geo. B. Grant 1904-5-5 112 -6188 Los Angeles Sierra Madre Mts., Arroyo Seco Canyon Comment
  CATA258  Layia platyglossa Mark L. Hoefs, A. Douglas Propst 1973-5-4 263 Los Angeles Santa Catalina Island: By road above and east of Emerald Cove, north slope 30 Comment
  SBBG31091  Layia platyglossa R. F. Thorne 1966-4-6 35928 Los Angeles ca. 1 mi W of Empire Landing 76 Comment
  UC468911  Layia platyglossa unknown 1905-4-20 111 Los Angeles Pasadena Comment
  RSA526624  Layia platyglossa subsp. campestris Steve Boyd, L. Arnseth, Tim Ross 1990-4-7 4214 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA409633  Lepechinia fragrans Albert J. Perkins 1920-5-19 s.n. Los Angeles Switzer Trail. Comment
  SD69668  Lepechinia fragrans Robert F. Thorne 1966-4-29 36329 Los Angeles Santa Catalina Island; below road to White's Landing above turn-off to Echo Lake. 410 Comment
  UCR186658  Lepidium dictyotum A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32078 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  UCD115353  Lepidium didymum Daryl Koutnik 1978-4-30 s.n. Los Angeles 6922 Hesperia Avenue, Reseda. 213 Comment
  SBBG126068  Lepidium draba D. Charlton 2010-7-21 Los Angeles SW of Piute Ponds and adjacent to Shuttle Rd and District 14 waste water outlet, W side of Shuttle Rd at curve; Edwards Air Force Base 698 Comment
  CAS-BOT-BC89305  Lepidium flavum A. D. E. Elmer 1902-6-1 3653 Los Angeles Lancaster. Comment
  LA204426  Lepidium flavum Harlan Lewis; 1940-4-5 1352 Los Angeles near Palmdale 807 Comment
  RSA726887  Lepidium flavum Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  CAS-BOT-BC89417  Lepidium fremontii A. D. E. Elmer 1902-6-1 3632 Los Angeles Lancaster. Comment
  RSA429895  Lepidium fremontii Anstruther Davidson 1893-5-12 1857 Los Angeles Lancaster. Comment
  UCSB33639  Lepidium fremontii Mckee, Walter 1963-5-9 Los Angeles Little Rock Dam; San Gabriel Mountains 914 Comment
  RSA659735  Lepidium lasiocarpum Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 94 Los Angeles San Clemente Island. Comment
  CDA29504  Lepidium latifolium Michael O Brien 2009-7-12 PDR# 1535008 Los Angeles Nearest the town of Calabasas in Tapia Park, a unit of Malibu Creek State Park, near the entrance to the Salvation Army Camp. Comment
  SBBG12228  Lepidium nitidum P. H. Raven 1962-4-9 17134 Los Angeles near barracks, Wilson Cove 60 Comment
  UCR205066  Lepidium virginicum var. pubescens R. G. Swinney 2008-4-4 8612 Los Angeles San Gabriel Mtns., lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  POM8948  Lepidium virginicum var. pubescens R. D. Harwood 1920-3-17 3354 Los Angeles 1/2 mile N of San Dimas. 366 Comment
  SBBG108907  Lepidium virginicum var. robinsonii S. A. Junak 1997-3-11 SCl 745 Los Angeles Sibara Ridge overlooking Pyramid Cove, ca. 0.3 mi S of Triangulation Pt Guds 158 Comment
  RSA530054  Lepidium virginicum var. virginicum Timothy S. Ross 1991-8-16 5841 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  RSA678209  Lepidium virginicum var. virginicum V. Soza, LeRoy Gross 2001-4-18 1135 Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons. 732 Comment
  UCR25179  Lepidospartum latisquamum John C. Roos 1951-7-30 5073 Los Angeles San Gabriel Mtns., Swarthout Valley between Wrightwood and Big Pines 1982 Comment
  POM21355  Lepidospartum squamatum Fordyce Grinnell Jr 1917-8-19 s.n. Los Angeles Paicoma Wash near San Fernando Comment
  RSA0106493  Lepidospartum squamatum R. G. Swinney 2011-10-18 15829 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  UCR256270  Lepidospartum squamatum R. G. Swinney 2010-3-22 12087 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR273283  Lepidospartum squamatum R. G. Swinney 2011-10-18 15829 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  RSA678918  Leptochloa fusca subsp. uninervia Julie Greene 1997-9-12 s.n. Los Angeles Intersection of Pacific Coast Highway/ Studebaker Rd., near Long Beach Marina. Salt marsh and seasonal freshwater wetland 5 Comment
  UC84331  Leptodactylon californicum Miss Merritt Los Angeles Los Angeles Comment
  SEINET6043721  Leptosiphon androsaceus Unknown 1996-4-25 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  RSA469961  Leptosiphon aureus subsp. aureus Ralph Hoffmann 1931-5-3 s.n. Los Angeles Bouquet Canyon. Comment
  RSA469967  Leptosiphon bicolor Blanche Trask 1901-03 3044 Los Angeles Avalon, Catalina Island. Comment
  CHSC3671  Leptosiphon ciliatus Mary MacArthur 1966-6-4 41 Los Angeles Chilao. 1524 Comment
  RSA0034182  Leptosiphon liniflorus Pam De Vries 2013-4-13 7849 Los Angeles About 0.50 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1050 Comment
  RSA0010522  Leptosyne californica LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6801 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA728994  Leptosyne calliopsidea Gary D. Wallace, B. Gustafson, D. Minor, M. Wallace, F. Runyon, B. Bird 1982-4-26 1978 Los Angeles Fort Tejon Road. Comment
  SBBG31416  Leptosyne gigantea R. F. Thorne 1966-4-6 35913 Los Angeles old quarry W of Empire Landing 91 Comment
  UCR231173  Lessingia filaginifolia Dan S. Cooper 2011-11-9 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, upper part of 'Boys Camp Canyon' southwest of LA Zoo 244 Comment
  LA32100  Lessingia filaginifolia var. filaginifolia Peter H. Raven; Henry J. Thompson 1959-6-4 14332 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  CAS-BOT-BC339274  Lessingia glandulifera var. glandulifera Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  UC1586200  Lessingia glandulifera var. glandulifera Tim Ross 1991-8-16 5812 Los Angeles Sulphur Springs Rd. 0.95 mi due w (as the crow flies) junction with Angeles Crest Hwy.; San Gabriel Mountains, Waterman Mtn USGS 7.5' quad 1816 Comment
  RSA603201  Lessingia glandulifera var. peirsonii Steve Boyd, Laura Moore, Mike Wall 1997-7-24 10022 Los Angeles Liebre Mountains Region: Summit of Liebre Mountain, saddle between Richardson and Bear canyons, along Forest Service Road 7N23, 0.05 miles east of junction with road to Bear Gulch Camp (7N23A). 1646 Comment
  RSA291707  Lewisia nevadensis Wayne E. Sawyer 1981-6-25 64 Los Angeles Lily Springs, above Angeles Crest Highway, San Gabriel Mountains. Comment
  CAS-BOT-BC283746  Leymus condensatus Alice Eastwood 1917-7-20 6477 Los Angeles Santa Catalina Island Comment
  RSA708770  Leymus condensatus Valerie L. Soza, Bill Hogshead 2003-4-23 1645 Los Angeles Brand Park, Brand Canyon. 351 Comment
  POM156184  Leymus triticoides Le Roy Abrams 1902-6-12 2522 Los Angeles Ballona Creek, near Mesmer. Comment
  RSA512030  Leymus triticoides L. C. Wheeler 1966-10-1 8931 Los Angeles near Wickiup Canyon 975 Comment
  RSA762878  Leymus triticoides R. G. Swinney 2008-10-10 9582 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCD87719  Leymus triticoides Peter H. Raven 1962-5-22 17851 Los Angeles Santa Catalina Island. 1 mile below Middle Ranch. Comment
  SEINET7906416  Libocedrus decurrens J. P. Hubbard Los Angeles Near Los Angeles Comment
  UCR194257  Lilium humboldtii R. G. Swinney 1998-8-5 6647 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1235 Comment
  UCR182740  Lilium parryi R. G. Swinney 1997-7-16 5659 Los Angeles San Gabriel Mtns., Buford Canyon, 0.5 mi. west of San Bernardino Co. line, south of Hwy 2 and Swarthout Valley, c. 2 air miles west of Wrightwood 2195 Comment
  SBBG13198  Limonium perezii E. R. Blakley 1962-6-10 5211 Los Angeles above camp area, Wilson Cove 30 Comment
  CATA337  Limonium sinuatum Mark L. Hoefs 1973-7-13 377 Los Angeles Santa Catalina Island: Open area between #3 golf fairway and main road, Avalon Canyon 45 Comment
  UCR256244  Linanthus aureus subsp. aureus R. G. Swinney 2010-5-19 12840 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
  POM65900  Linanthus aureus subsp. aureus Jos. Burtt Davy 1896-05 2470 Los Angeles Fairmont, Antelope Valley. Comment
  UCR197778  Linanthus breviculus Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 19 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  CAS-BOT-BC226757  Linanthus californicus Louis C. Wheeler 1933-3-31 1558 Los Angeles Topango Canyon, Santa Monica Mts. 152 Comment
  RSA468441  Linanthus californicus Kenneth R. Montgomery, T. Strid 1973-5-19 73 -68 Los Angeles Site of LASCA Cistus field plot, at Dillon Divide. Comment
  RSA233370  Linanthus dianthiflorus subsp. dianthiflorus Arthur C. Gibson, Linda Gibson 1972-3-4 2769 Los Angeles Dume Road near Point Dume. Comment
  UC23501  Linanthus dichotomus J. Burtt Davy May 9 1896-May 24 1896 2311 Los Angeles Llano Verde, West Palmdale Antelope Valley Comment
  RSA777918  Linanthus parryae R. G. Swinney 2009-5-6 10674 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  POM308353  Linaria bipartita Henry J. Ramsey, Henry J. Ramsey 1937-3-21 3030 Los Angeles Altadena. Comment
  LA82094  Lithophragma affine O. H. Kappler; 1941-5-8 248 Los Angeles SANTA MONICA MOUNTAINS, upper Zuma Canyon, near summit of Mulholland Hwy. 609 Comment
  RSA646990  Lithophragma affine LeRoy Gross, Michael Honer, Leland Lubinsky 2000-4-27 199 Los Angeles San Rafael Hills: South of Descanso Garden and north of the main ridge. 487 Comment
  UC61531  Lithophragma affine Ernest Braunton May 1904 912 Los Angeles Glendale to Burbank; Glendale to Burbank Comment
  UCR270094  Lithophragma affine R. G. Swinney 2011-3-22 14187 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  CAS-BOT-BC432207  Lithophragma bolanderi Geo. B. Grant 1906-6-10 6675 Los Angeles Mt. Lowe, Castle Canyon Comment
  CAS-BOT-BC432213  Lithophragma bolanderi Steve Boyd; Lauren Raz 1997-5-20 9794 Los Angeles Liebre Mountains Region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads. 1548 Comment
  RSA279077  Lithophragma bolanderi R. F. Thorne, C. W. Tilforth 1971-4-9 41524 Los Angeles San Gabriel Mountains, Angeles National Forest: San Dimas Canyon. 427 Comment
  UC1408949  Lithophragma heterophyllum Donald R. Bissing 1973-4-6 38 Los Angeles 0.5 mi from mouth of Evey Canyon; San Gabriel Mountains, Evey Canyon 725 Comment
  UCR126604  Lobularia maritima A. C. Sanders, Mark Elvin 2003-8-7 27177 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  RSA441646  Loeflingia squarrosa Albert J. Perkins 1914-5-30 s.n. Los Angeles Scholl Canon, San Rafael Hills Comment
  UCR127650  Loeflingia squarrosa A. C. Sanders, Mark Elvin 2002-6-18 25138 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  RSA468339  Loeseliastrum schottii Robert Gustafson 1978-6-21 1027 Los Angeles Lower Hungry Valley, freeman Canyon about 4 miles south of gorman 976 Comment
  LA88398  Logfia filaginoides O. H. Kappler; 1941-5-9 267 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UC1211046  Logfia filaginoides Huron H. Smith 1912-5-31 5061 Los Angeles Pebble Beach Road Santa Catalina Isl. 30 Comment
  RSA150701  Lolium perenne P. H. Raven 1962-5-8 17617 Los Angeles Wilson Cove, barracks area; San Clemente Island 91 Comment
  UCR43944  Lolium perenne B. A. Prigge 1986-3-29 7144 Los Angeles San Gabriel Mtns., South of Canyon Country at Golden Valley/Antelope Valley Fwy (Calif. Hwy 14) 457 Comment
  UC1714472  Lolium temulentum D. L. Crawford 1916-5-20 Los Angeles mts above Claremont; mts. above Claremont Comment
  CDA38384  Lomatium dasycarpum W. E. Henson 1929-6-9 s.n. Los Angeles Ridge Route. 0 Comment
  RSA452133  Lomatium lucidum C. Epling 1931-4-18 s.n. Los Angeles Los Alisos Canyon. Comment
  RSA659933  Lomatium mohavense Orlando Mistretta 1992-5-18 331 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  RSA97281  Lomatium vaginatum F. W. Peirson 1921-2-26 2358 Los Angeles Topanga Canyon, west end of San Gabriel Mountains 304 Comment
  CAS-BOT-BC240482  Lonicera hispidula June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island - Summit Comment
  POM243775  Lonicera hispidula var. vacillans F. R. Fosberg 1931-4-8 S- 4518 Los Angeles Santa Catalina Island; Avalon Valley 60 Comment
  UC889569  Lonicera hispidula var. vacillans F. R. Fosberg 1931-5-12 S 4851 Los Angeles Hay Press Santa Catalina Island 350 Comment
  RSA596027  Lonicera interrupta T. S. Ross, J. Mark Porter 1995-5-4 8445 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  CAS-BOT-BC234816  Lonicera subspicata Alice Eastwood 1906-5-27 66 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  CAS-BOT-BC234864  Lonicera subspicata var. denudata Peter H. Raven; Henry J. Thompson 1958-10-11 13758 Los Angeles Santa Monica Mountains. Saddle Peak 822 Comment
  RSA406766  Lotus argophyllus subsp. ornithopus F. H. Elmore 1939-11-23 9 Los Angeles Northwest Harbor, San Clemente Island. Comment
  UC864764  Lotus argophyllus var. argenteus Carl B. Wolf 1932-5-9 Los Angeles 0.5 mi from Avalon (on road to Pebbley Beach); Santa Catalina Island 7 Comment
  POM147963  Lotus dendroideus var. dendroideus Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  CDA27205  Lotus grandiflorus W. E. Henson 1929-6-9 Los Angeles Ridge Route. 0 Comment
  RSA128274  Lotus grandiflorus var. grandiflorus H. J. Thompson 1959-3-27 1896 Los Angeles 1.3 miles east of Peak, Saddle Peak. 701 Comment
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Dec 6 2008
  RSA563489  Lotus grandiflorus var. grandiflorus T. S. Ross 1993-5-13 7125 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
  RSA778744  Lotus grandiflorus var. grandiflorus Orlando Mistretta, Christine Mistretta 2010-6-4 5250 Los Angeles Mill Creek Canyon, 2.5 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor, W slope of Rabbit Pk. 1433 Comment
  RSA406155  Lotus hamatus Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  RSA0105005  Lotus heermannii var. heermannii R. G. Swinney 2011-10-25 15892 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39. 1006 Comment
  UCR126828  Lotus humistratus A. C. Sanders 2003-6-19 26977 B Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 366 Comment
  RSA0096798  Lotus oblongifolius R. G. Swinney 2011-10-10 15728 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  RSA595808  Lotus oblongifolius var. oblongifolius Lauren Raz, S. D. Boyd 1996-10-23 043 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. Following easterly course of flowing stream. 609 Comment
  UC555539  Lotus procumbens var. procumbens Frank W. Peirson 1919-6-15 Los Angeles Rock Creek San Gabriel Mts., Pine Ridge 1371 Comment
  RSA782207  Lotus purshianus R. G. Swinney 2009-8-25 11472 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA0058216  Lotus salsuginosus R. G. Swinney 2010-6-23 13352 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA702968  Lotus salsuginosus Scott D. White, Pam De Vries 2004-5-18 10406 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  UCR131418  Lotus salsuginosus Alison Lipman 1998-6-8 s.n. Los Angeles South Coastal Plains Region, Forestal property, Rancho Palos Verdes 305 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
  RSA660841  Lotus scoparius Ann Williams 1992-5-14 5 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  UCR275286  Lotus scoparius subsp. scoparius Jeremiah George 2012-3-1 s.n. Los Angeles South Coast, Entradero Park, West Torrance near Redondo Beach 23 Comment
  UCR131448  Lotus scoparius var. scoparius Alison Lipman 1998-3-23 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
  RSA621879  Lotus strigosus R. S. Woglum 1935-5-6 723 Los Angeles Palmdale. Comment
  UC1129184  Lotus strigosus A. D. Gifford 1935-3-15 470 Los Angeles 2.5 mi from Elizabeth Lake Canyon mouth; Angeles National Forest, Tejon Quad. 426 Comment
  UCR126587  Lotus strigosus A. C. Sanders 2003-5-22 26826 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
  RSA225734  Lotus strigosus R. F. Thorne 1971-5-22 39740 Los Angeles Fish Canyon. 305 Comment
  RSA595119  Lotus strigosus var. hirtellus Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8575 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along Angeles National Forest Road 8N01, 6.2 road miles from jtn with 8N05. 1174 Comment
  RSA406359  Lotus wrangelianus Samuel R. Tyson 1943-4-22 s.n. Los Angeles Big Dalton Canyon. 381 Comment
  POM3164  Ludwigia peploides subsp. peploides H. M. Hall 1902-05 3288 Los Angeles Fullerton. [Orange Co.?] Comment
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Dec 5 2012
  POM355476  Ludwigia repens var. stipitata Theodore Payne 1910-08 2504 Los Angeles Near Palms Comment
  SDSU20000  Lupinus albifrons S. H. Bullock 1968-4-6 53 Los Angeles Claremont, north of Foothill blvd. between Dartmouth and College Ave. 366 Comment
  RSA406997  Lupinus albifrons var. eminens Thekla Mohr s.n. Los Angeles Near Los Angeles Comment
  RSA0106835  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. 616 Comment
  RSA0110796  Lupinus bicolor R. G. Swinney 2011-4-28 14553 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam. 878 Comment
  RSA748895  Lupinus bicolor R. G. Swinney 2005-5-21 8267 Los Angeles West of Punch Bowl County Park, at the junction of Holmes Creek and Watson Creek. 1241 Comment
  UCR115800  Lupinus bicolor George K. Helmkamp 1997-3-6 1345 Los Angeles Western Mojave Desert, west of Lancaster at 125th St. & Calif. Hwy 138 762 Comment
  UCR88675  Lupinus bicolor Scott D. White, Chet McGaugh 1995-5-9 2994 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  RSA0041492  Lupinus bicolor Ron Martinolich 1991-5-3 61 Los Angeles Glendale, Flint Peak access road, 0.25 mi. east of water tower, on roadside. Comment
  RSA596833  Lupinus bicolor subsp. marginatus T. S. Ross, J. Mark Porter 1995-5-4 8482 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  SEINET10484944  Lupinus bicolor subsp. tridentatus Ernest C. Twisselmann 1966-4-27 Twisselmann 12109 Los Angeles Sw side of antelope valley, los angeles county. Flowers blue. Abundant on an abandoned farming field, growing in light Gravelly soil. Originally joshua tree woodland. 884 Comment
  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
  SBBG31446  Lupinus concinnus R. F. Thorne 1966-4-5 35872 Los Angeles above stream in Cottonwood Cyn 106 Comment
  SD21298  Lupinus concinnus Norman E. Bilderback 1938-4-23 Los Angeles Catalina Island, Catalina Harbor. Comment
  RSA641232  Lupinus concinnus R. F. Thorne 1974-4-9 44705 Los Angeles San Gabriel Mountains: Bob's Gap in Holcomb Ridge. 1219 Comment
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Feb 7 2008
  RSA519399  Lupinus elatus I. M. Johnston 1925-6-30 2063 Los Angeles South spur of Cucamonga Peak 1982 Comment
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Oct 28 2014
  SEINET10450534  Lupinus elatus Victor Duran 1933-7-26 Duran 3535 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  IRVC29637  Lupinus excubitus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26205 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  UCR259636  Lupinus excubitus R. G. Swinney 2010-3-30 12113 Los Angeles San Gabriel Mountains, Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  UCR45021  Lupinus excubitus A. C. Sanders 1986-7-30 6833 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  RSA594975  Lupinus excubitus var. hallii T. S. Ross 1995-4-26 8381 Los Angeles West end of LIEBRE MOUNTAIN along Forest Service Road 7N23 ca 1.0 road-mile NE of its junction with the Old Ridge Route; ca 4080 ft SSW of Sandberg Triangulation Point (5345 ft). 1363 Comment
  SEINET10485311  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA 6454 Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. 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 number. Seeds from open field pollen Vector. Comment
  POM17553  Lupinus excubitus var. johnstonii C. B. Wolf 1936-5-27 7853 Los Angeles Aliso Canyon to Buckhorn Flats road, 2.4 miles above Tie Camp summit 1706 Comment
  SBBG98064  Lupinus guadalupensis T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5149 Los Angeles beginning of Larkspur Cyn drainage, 1600 ft SE of Benchmark 924 at E end of the old airfield landing strip 249 Comment
  CATA1465  Lupinus hirsutissimus Mark L. Hoefs, Robert F. Thorne 1996-4-6 2650 Los Angeles Santa Catalina Island: Renton Mine Road 243 Comment
  RSA413690  Lupinus hirsutissimus Elbert Benjamine 1929-2-24 65 Los Angeles Laurel Canyon, Hollywood Comment
  SBBG98284  Lupinus hirsutissimus Anstruther Davidson 1890-1 Los Angeles East Los Angeles Comment
  SEINET6744577 Image available Lupinus hirsutissimus Marcus E. Jones 1882-1 Los Angeles Pasadena Comment
  RSA0114165  Lupinus hirsutissimus Steven A. Junak 1998-6-13 SCa- 752 Los Angeles Santa Catalina Island. W side of Avalon Canyon, upslope from fire station. 140 Comment
  SFV15549  Lupinus hirsutissimus R. K. Stachelek 1992-4-4 5 Los Angeles Approximately 0.2 miles from intersection of Balboa and Foothill, on north side of Foothill next to roadside. Comment
  RSA20215  Lupinus longifolius Theodore Payne 1938-5-15 9410 Los Angeles San Fernando Valley, Victory Blvd, east of Van Nuys. [This most likely refers to Victory Blvd coming out of Van Nuys. Ref: Mr. Tony Morosco] 274 Comment
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Apr 5 2008
  RSA91265  Lupinus longifolius F. W. Peirson 1920-5-14 2147 Los Angeles Lukens Peak, San Gabriel Mts, Los Angeles Count, Alt 3000-3500ft 915 Comment
  SEINET10485627  Lupinus longifolius Robert F. Thorne, Robert A. Gibson 1971-5-22 Thorne 39704 Los Angeles San gabriel mtns. Angeles national forest. Mouth of fish canyon. In sandy Open area in coastal sage scrub; shrub ca 1 in tall. Flowers purplish. 244 Comment
  RSA750112  Lupinus microcarpus R. G. Swinney 2008-5-5 8764 Los Angeles Big Rock Creek at Paradise Springs 1427 Comment
  RSA497244  Lupinus microcarpus var. densiflorus L. C. Wheeler 1967-5-18 9618 Los Angeles Placerita Canyon 518 Comment
  RSA252912  Lupinus microcarpus var. microcarpus R. F. Thorne 1973-5-11 43501 Los Angeles San Gabriel Mountains: near mouth of Big Rock Creek Canyon 1204 Comment
  CAS-BOT-BC8225  Lupinus pasadenensis Lester Rowntree 1936-4-20 s.n. Los Angeles Pasadena at end of New York Ave., towards Pasadena Glen Comment
  UC499444 Image available Lupinus peirsonii Herbert L. Mason 1926-4-27 3026 Los Angeles Rock Creek San Gabriel Mts.; Rock Creek, San Gabriel Mts. Comment
  UCR182110  Lupinus sparsiflorus R. G. Swinney 1998-4-14 5987 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  UCR281362  Lupinus sparsiflorus R. G. Swinney 2014-5-15 16515 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
  POM6801  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz, L. T. Street, G. Williams 1919-4-5 2429 Los Angeles Puddingstone Canon, San Dimas Comment
  RSA678390  Lupinus sparsiflorus subsp. sparsiflorus Valerie L. Soza, LeRoy Gross 2002-4-3 1373 Los Angeles West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 518 Comment
  SEINET10837783  Lupinus sparsiflorus subsp. sparsiflorus Bakker 1947-2-2 BAKKER UMO 144420 Los Angeles Collected in soledad canyon, vasquez rocks, mojave desert. Comment
  UC624982  Lupinus succulentus F. R. Fosberg 1931-3-27 S 4414 Los Angeles Pebble Beach Road Santa Catalina Island (Santa Catalina Island); , Pebble Beach Road 5 Comment
  OBI70653  Lupinus succulentus Tim Ross 1991-4-8 4479 Los Angeles Elephant hill: W Pomona. T1S, R9W, W 2/3 S1/2 sec 26, San Dimas USGS 7.5' quad; At W base of the hill 355 Comment
  POM2550  Lupinus succulentus L. R. Abrams 1899-03 7172 Los Angeles Los Angeles. Comment
  RSA414822  Lupinus succulentus B. Becil 1931-4-29 s.n. Los Angeles Santa Susana Valley. Comment
  SEINET10489007  Lupinus succulentus Robert F. Thorne 1966-4-4 Thorne 35762 Los Angeles Santa catalina island: on grassy w facing slope, bluff se of ballast point and Catalina harbor, isthmus. With trifolium amplectens, t. Tridentatum, cerastium Glomeratum, calochortus catalinae, microseris heterocarpa, linanthus Dianthiflorus, filago spp., Amblyopappus pusillus, etc. Flowers purplish. 61 Comment
  CAS-BOT-BC176967  Lupinus truncatus A. C. Sanders 2003-3-14 25778 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 560 Comment
  RSA724593  Lupinus truncatus K. Dobry 1991-5-18 614 Los Angeles At 415 Stunt Rd. Santa Monica Mts. Cold Creek Cyn Comment
  UCR281660  Lycium andersonii R. G. Swinney 2014-4-18 16137 Los Angeles San Gabriel Mountains, north end of Alimony Ridge, c. 50 m east of Little Rock Wash, south of Mt. Emma Rd. 957 Comment
  RSA428582  Lycium brevipes var. brevipes House, Grumbles 1930-8-5 14782 Los Angeles San Clemente Island. Comment
  CAS-BOT-BC233485  Lycium californicum Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7430 Los Angeles Ranch Palos Verdes, southerly coastal bluffs near 154 foot triangulation point, 1875 m SE of Inspiration Point, San Pedro 7.5' USGS, Palos Verdes Peninsula 18 Comment
  SBBG80279  Lycium californicum F. C. Boutin 1967-4-24 1702 Los Angeles E side of island Comment
  UC557621  Lycium californicum Nell Murbarger Apr 1936 103 Los Angeles San Clemente Island 0 Comment
  UC729775  Lycium californicum Carl B. Wolf 1932-5-12 Los Angeles 1.5 mi from Little Harbor (on road to Isthmus); Santa Catalina Island 91 Comment
  SDSU9095  Lyonothamnus floribundus subsp. asplenifolius R. M. Beauchamp 1967-6-3 560 Los Angeles Growing of a few trees on the south side of canyon south of Thirst. San Clemente Island. Comment
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May 16 2008
  CAS-BOT-BC140224  Lyonothamnus floribundus subsp. aspleniifolius Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  RSA77095  Lyonothamnus floribundus subsp. aspleniifolius F. W. Peirson 1923-4-10 3454 Los Angeles North slope canyon about 10 miles southeast of Wilson's Cove, San Clemente Island. Comment
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Jan 12 2015
  CAS-BOT-BC142284  Lyonothamnus floribundus subsp. floribundus Michael R. Benedict 1965-12-12 s.n. Los Angeles Small grove near head of major canyon 1 1/2 miles southwest of Johnson's Landing - Santa Catalina Island Comment
  RSA589863  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8208 Los Angeles Santa Catalina Island. W end of island, N side of main east-west ridge system, at head of Bouchette Canyon draining NE to Johnson's Landing. 405 Comment
  SD90335  Lyonothamnus floribundus subsp. floribundus Robert F. Thorne 1970-3-5 39354 Los Angeles Santa Catalina Island: NE slope of Blackjack Mt., at upper end of Swain's Canyon 366 Comment
  CATA1599  Lysimachia arvensis Mark L. Hoefs, Robert F. Thorne 1998-4-25 2868 Los Angeles Santa Catalina Island: At Echo Lake 402 Comment
  RSA775585  Lythrum californicum Orlando Mistretta, Christine Mistretta 2010-6-25 5356 Los Angeles Transverse Ranges; San Gabriel Mountains region: On Forest Route 2N24 near head of N fork Santa Anita Canyon, along Southern California Edison transmission line corridor. 1215 Comment
  RSA569412  Machaeranthera canescens subsp. canescens B. C. Templeton 1932-8-27 5109 Los Angeles Ranger Station, Big Pines Park 2087 Comment
  UCR95489  Madia elegans subsp. wheeleri Steve Boyd, L. Raz 1996-9-24 8969 Los Angeles San Gabriel Mtns., Sawmill Mtn along Forest Service road 7N23 on broadly rounded summit area at divide between Devils Gulch and Fish Canyon 1622 Comment
  UCD134258  Madia exigua Louis C. Wheeler 1967-6-16 9844 Los Angeles San Gabriel Mountains; Sunset Ridge by Millard Canyon, north side NE of Coulter Reservoir. 640 Comment
  CAS-BOT-BC343599  Madia sativa Rev. J. C. Nevin 1882-1-1 s.n. Los Angeles Verdugo Canon [Canyon] Comment
  SEINET5766007 Image available Maianthemum stellatum Duncan S. Bell, Caitlin Elam 2013-8-1 5559 Los Angeles Transverse Ranges; San Gabriesl Mountains region: Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; Columbine Spring. 2174 Comment
  UCSB33708  Maianthemum stellatum Miller, Brian 1960-7-6 Los Angeles Dawson's Saddle area, San Gabriel, Mountains 2316 Comment
  UC1122000  Malacothamnus davidsonii A. Lewis Feb 1934 293 Los Angeles Little Tujunga 701 Comment
  UCD116355  Malacothamnus fasciculatus Geoffrey Levin 1974-5-31 187 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. Alluvial Fan of Mt. San Antonio (San Gabriel Mts.) 335 Comment
  UCR204838  Malacothamnus fremontii R. G. Swinney 2005-8-11 8458 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UC73953  Malacothrix californica J. Burtt Davy May 9 1896-May 24 1896 2515 Los Angeles Manzana Antelope Valley Comment
  CAS-BOT-BC345409  Malacothrix clevelandii S. B. Parish; W. F. Parish 1882-10-1 1132 Los Angeles Coast Mts near Santa Monica Comment
  RSA802571  Malacothrix clevelandii Orlando Mistretta, Christine Mistretta 2011-7-1 5881 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  RSA131028  Malacothrix clevelandii P. C. Everett, E. K. Balls 1959-6-2 23848 Los Angeles 1 mile northeast of entrance to Stokes Canyon, Santa Monica Mountains 183 Comment
  RSA144686  Malacothrix clevelandii P. H. Raven, Henry J. Thompson 1960-4-12 15034 Los Angeles Oak woodland southwest of Seminole Hot Springs 366 Comment
  RSA301947  Malacothrix foliosa E. R. Blakley 1962-6-10 5220 Los Angeles San Clemente Island: Wilson Cove 9 Comment
  UCR204203  Malacothrix foliosa Mark A. Elvin, Dylan Hannon, Gary Allan, Curtis Clark 1996-4-19 149 Los Angeles Channel Islands, San Clemente Island, North Head, top of slopes between 1st and 2nd terrace point at North Head Rock 12 Comment
  SBBG96804  Malacothrix foliosa subsp. foliosa S. Boyd with T. Ross, L. Arnseth 1990-4-7 4238 Los Angeles lower half of China Cyn Comment
  UCR119337  Malacothrix glabrata B. G. Pitzer 1998-5-12 3682 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
  RSA252942  Malacothrix glabrata R. F. Thorne, Gary D. Wallace 1973-4-24 43430 Los Angeles Ft. Tejon Road near junction with Longview Road, c. 3 mi S of Pearblossom Road 1067 Comment
  JEPS85097  Malacothrix saxatilis var. tenuifolia Roy E. Buck and Rexford Palmer 1989-4-27 1218 Los Angeles Between lanes of Interstate 5 near NW end of crossover section, +/- on ridges between Violin Canyon and large canyon to NE. On summit of knoll, dropping off sharply to SE, just SE of larger hill ca 2.8 air km SE of Townsend Peak summit, 7 air KM NW of Castaic. 640 Comment
  POM247966  Malacothrix saxatilis var. tenuifolia F. R. Fosberg 1931-4-3 4480 Los Angeles Santa Catalina Island, Pebble [Pebbly] Beach Rd. 5 Comment
  RSA607263  Malacothrix saxatilis var. tenuifolia L. C. Wheeler 1932-10-7 1424 Los Angeles UCLA Campus, W Los Angeles. 130 Comment
  SBBG66172  Malacothrix saxatilis var. tenuifolia F. R. Fosberg 1931-4-3 4480 Los Angeles Pebbly Beach 5 Comment
  SEINET11799393  Malacothrix saxatilis var. tenuifolia J. F. Bright, Wyman, C. 1931-1 5470 Los Angeles near Pasadena Comment
  RSA602764  Malosma laurina L. C. Wheeler 1972-12-24 12799 Los Angeles San Gabriel Mountains: Las Flores Canyon. 823 Comment
  RSA76948  Malosma laurina Raymond J. Dobbs 1924-7-8 5392 Los Angeles Along trail 0.5 mile below Switzer s Camp. 930 Comment
  SBBG13798  Malosma laurina M. A. Piehl 1962-10-3 62499 Los Angeles near main rd above Goat Harbor Comment
  UCR274348  Malosma laurina Steven A. Junak 1999-7-15 SCa- 1022 Los Angeles California Islands, Santa Catalina Island. Just above SaltaVerde Beach 6 Comment
  RSA0073368  Malva parviflora R. G. Swinney 2010-3-16 11963 Los Angeles San Gabriel Mountains/Verdugo Mountains: Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA158342  Malva parviflora Peter H. Raven 1962-4-9 17129 Los Angeles Wilson Cove, San Clemente Island. 61 Comment
  RSA495080  Malva pseudolavatera A. C. Sanders 1988-5-18 7818 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and E of Vista Del Mar Blvd. Comment
  UCR265535  Malva pseudolavatera Dan S. Cooper 2015-3-22 315- 21 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Los Angeles, north end of Commonwealth Ave. 233 Comment
  RSA0118865  Marah fabacea A. C. Sanders 2006-4-18 32115 Los Angeles Tehachapi Mtns. Foothills: hills south of Oso Canyon on the west side of the Cement Plant Rd., c. 0.75 mile north of Quail Lake. 1037 Comment
  RSA440964  Marah macrocarpa F. R. Fosberg 1931-3-18 4287 Los Angeles Hamilton Canyon. 10 Comment
  UCR231147  Marah macrocarpa R. F. Thorne, James Henrickson 1963-5-5 32286 Los Angeles Transverse Ranges; San Gabriel Mountains Foothills, Cobal Canyon, 4 miles north of Claremont 518 Comment
  CDA40720  Marrubium vulgare Phillipson 1915-5-7 3 .1.A Los Angeles Monrovia. Comment
  RSA0036893  Marrubium vulgare Jami Liberi 1983-4-16 11 Los Angeles In Claremont, across the street from the San Antonio Dam. 640 Comment
  RSA659441  Marrubium vulgare Monica Acosta 1998-5-26 30 Los Angeles Parking lot J at California State Polytechnic University(Cal Poly Pomona). 226 Comment
  UC1714367  Marrubium vulgare J. Grinnell 1903-6-27 Los Angeles near Pasadena (Arroyo Seco); Arroyo Seco Comment
  UCSB10244  Matricaria discoidea Wedberg, H. 1958-4-13 Los Angeles U.C.L.A. campus above virarium Comment
  RSA639190  Matricaria matricarioides L. C. Wheeler 1967-5-3 9804 Los Angeles Sycamore Flat Campground, Big Rock Creek. 1311 Comment
  POM97347  Meconella denticulata Marcus E. Jones 1882-05 s.n. Los Angeles Pasadena. Comment
  SDSU5049  Medicago sativa Gerald Collier 1951-4-7 3688 Los Angeles In middle of divided highway- U. S. 101 about 2 miles north of Malibu Beach. Comment
  UC1922326  Melaleuca quinquenervia R. E. Riefner Jr. 2007-3-10 07 -110 Los Angeles City of San Pedro, near Cabrillo Beach Park, salt marsh inlet channel at Salinas de San Pedro. Comment
  CAS-BOT-BC281496  Melica imperfecta H. E. Hasse 1891-4-1 s.n. Los Angeles Near Santa Monica Comment
  CHSC118945  Melica imperfecta Duncan S. Bell; Catlin Elam 2013-7-11 5364 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  RSA517125  Melica imperfecta Timothy S. Ross 1990-5-14 2502 Los Angeles SAN GABRIEL MOUNTAINS: Yerba Buenda Ridge, Angeles National Forest, Tujunga Ranger District. 1143 Comment
  RSA660811  Melica imperfecta Gerald Braden, Lori Ackerman 1988-5-19 21 Los Angeles Strawberry Peak. Comment
  RSA674249  Melica imperfecta LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 700 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 695 Comment
  RSA729959  Melica imperfecta R. G. Swinney, D. W. Larson 1999-6-25 7406 Los Angeles San Gabriel Mtns.: Fern Canyon at falls, c. 1,7 mi. east of confluence with upper East Fork San Dimas Canyon 1159 Comment
  UC736845  Melica imperfecta Frank W. Gould 1944-4-1 2193 Los Angeles Playa del Rey Comment
  UCD87972  Melica imperfecta B. Pitzer 1996-5-5 2853 Los Angeles Palos Verdes Peninsula: Palos Verdes Hills. San Pedro Naval Fuel Depot, at San Pedro Hill. 408 Comment
  UCR270268  Melica imperfecta R. G. Swinney 2010-6-1 13098 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  RSA87328  Melica stricta var. albicaulis F. W. Peirson 1923-5-25 3524 Los Angeles Along stream on south side of canyon of Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  RSA720367  Melilotus albus LeRoy Gross 2007-4-6 2624 Los Angeles Southern base of the range: Debris basin behind Bel Aire Park, at the intersection of Cambridge Drive and Bel Aire Drive. City of Burbank. 273 Comment
  RSA5869  Melilotus indicus Carl B. Wolf 1932-9-16 4119 Los Angeles West side of San Gabriel River Flood Control 1400 ft south of 7th street (Long Beach) 1645 ft east and 1400 ft south of NW corner of NE/4, S2. 3 Comment
  JEPS41148  Mentzelia albicaulis W. L. Jepson 1935-4-17 17031 Los Angeles west Mojave Desert, Lancaster 716 Comment
  SBBG69290  Mentzelia albicaulis R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  SEINET13203247 Image available Mentzelia congesta R. G. Swinney 2011-1 14521 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  CAS-BOT-BC226637  Mentzelia congesta Timothy S. Ross; Darin Banks 1994-6-21 7983 Los Angeles San Gabriel Mountains. Vicinity of Pacifico Mountain: descending northerly ridge with Tie Canyon on the W, an upper tributary of Santiago Canyon on the E; ca 2070 m NW of Pac. Mtn's 71240-foot summit 1962 Comment
  POM2977  Mentzelia dispersa L. R. Abrams, E. A. McGregor 1908-7-3 622 Los Angeles North Mt. Baldy [Mt. Baden-Powell] 2744 Comment
  RSA440479  Mentzelia lindleyi Gale Sphon 1955-5-5 s.n. Los Angeles UCLA chem. building parking lot, Los Angeles. Comment
  RSA188693  Mentzelia micrantha Robert F. Thorne 1966-6-1 36470 Los Angeles Santa Catalina Island: near base of rocky, E facing bluff opposite Pebbly Beach terminal. 8 Comment
  POM96822  Mentzelia micrantha F. M. Reed 1926-6-12 5240 Los Angeles Talus slope near La Canada. Comment
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Dec 7 2014
  RSA0034482  Mentzelia micrantha Carol Haines 1964-5-23 166 Los Angeles 13 miles from begeinning of Old Ridge Route. 1066 Comment
  RSA643843  Mentzelia micrantha Steven A. Junak, S. Burckhalter 1996-5-18 SC 1 -496 Los Angeles San Clemente Island: W side of island, at S end of Seal Cove, E of large offshore islet, just above coastal terrace 40 Comment
  RSA9551  Mentzelia micrantha P. A. Munz, R. D. Harwood 1921-4-21 3703 Los Angeles San Dimas Canyon. 457 Comment
  UCR269133  Mentzelia veatchiana Orlando Mistretta, Christine Mistretta 2011-6-18 5713 Los Angeles San Gabriel Mountains, Aliso Canyon drainage, east side of Gleason Canyon on Forest Service Road 4N24 1508 Comment
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Apr 23 2019
  SBBG128338  Mesembryanthemum nodiflorum A. Cheung, S. Lawrence-Gomez, D. Kasang, M. Zou, S. Ratay 2011-7-1 13 Los Angeles Deer Valley Trail 23 Comment
  UC625005  Mesembryanthemum nodiflorum F. R. Fosberg 1931-4-29 S 4732 Los Angeles 1 1/2 mi below Eagle's Nest (Middle Ranch Canyon); Santa Catalina Island, Middle Ranch Canyon 100 Comment
  RSA155904  Mesembryanthemum nodiflorum P. H. Raven 1962-7-11 17995 Los Angeles upper end of first canyon south of Lemon Tank, San Clemente Island Comment
  SD69708  Microseris douglasii subsp. platycarpha Robert F. Thorne 1966-4-29 36302 Los Angeles Santa Catalina Island; along Airport Road before turn off to Middle Ranch Canyon. 455 Comment
  UC557805  Microseris elegans Nell Murbarger April, 1936 111 Los Angeles mesa summit San Clemente Island Comment
  RSA158340  Microseris lindleyi P. H. Raven 1962-4-9 17157 Los Angeles Wilson Cove, San Clemente Island. 61 Comment
  CATA1679  Mimulus aurantiacus Mark L. Hoefs, Steven A. Junak, Bob Given, Keri Kirkland 1998-7-17 2970 Los Angeles Santa Catalina Island: At junction of Grand Canyon and Silver Canyon 109 Comment
  RSA517144  Mimulus aurantiacus Tim S. Ross, S. D. Boyd 1990-5-14 2484 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Rander District. 1079 Comment
  RSA522341  Mimulus aurantiacus Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4021 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District, Angeles National Forest. Comment
  SDSU10750  Mimulus aurantiacus A. H. Gallup 1948-6-30 154 Los Angeles Mouth of Cobalt Canyon. 610 Comment
  POM8485  Mimulus aurantiacus var. pubescens P. A. Munz, R. D. Harwood 1920-3-13 3339 Los Angeles San Jose Hills, 3 miles W of Pomona. 305 Comment
  RSA439240  Mimulus aurantiacus var. pubescens Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena. Comment
  UC26709  Mimulus aurantiacus var. pubescens Harley P. Chandler 1897-3-4 Los Angeles San Dimas 609 Comment
  UCR280686  Mimulus aurantiacus var. pubescens R. G. Swinney 2014-5-27 16674 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
  RSA233625  Mimulus aurantiacus var. puniceus Robert F. Thorne 1970-3-5 39363 Los Angeles Santa Catalina Island. N slope of Blackjack Mountain. 457 Comment
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Mar 25 2017
  LA209125  Mimulus aurantiacus var. puniceus F. R. Fosberg; 8105 Los Angeles Santa Catalina Island, Hill n. Avalon 40.0 Comment
  RSA783243  Mimulus brevipes J. D. Olmsted 1958-5-1 121 Los Angeles Along San Antonio Creek in Blanchard Park on Pomona College Campus. 366 Comment
  UCR263280  Mimulus brevipes Anuja Parikh, Nathan Gale 2012-5-9 3589 Los Angeles Transverse Range: San Gabriel Mountains, 0.8 km north of the West Fork San Gabriel River, 1.4 km east of Shortcut Canyon 1106 Comment
  JEPS24108  Mimulus cardinalis Henry J. Thompson 1959-5-24 1983 Los Angeles 0.3 mi n Coast Highway; Santa Monica Mountains, Tuna Canyon 45 Comment
  RSA0083160  Mimulus cardinalis R. G. Swinney 2010-8-9 13473 Los Angeles Big Santa Anita Canyon, Camp Sturtevant. 1049 Comment
  RSA0091329  Mimulus cardinalis R. G. Swinney 2011-8-17 15633 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  SEINET11262504  Mimulus cardinalis Timothy S. Ross, Steve Boyd 1994-9-20 8277 Los Angeles Lower Spunky Canyon. This stretch draining SSE exiting into Bouquet Reservoir. Green Valley 7.5' USGS Quadrangle.; 0 934 Comment
  UC1211016  Mimulus cardinalis Huron H. Smith 1912-6-13 5100 Los Angeles Rock Springs Canyon Santa Catalina Island 67 Comment
  UC125156  Mimulus cardinalis C. F. Baker 1903-8-2 3457 Los Angeles near Claremont; San Antonio Canyon Comment
  UCR242056  Mimulus cardinalis Dan S. Cooper 2012-8-3 812- 51 Los Angeles Los Angeles Basin, Sepulveda Basin along unchannelized portion of Los Angeles River c. halfway between Balboa Blvd and Burbank Blvd 206 Comment
  POM156321  Mimulus cardinalis L. R. Abrams 1902-7-1 2616 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  UCR264699  Mimulus constrictus Mitch Provance, Callen Huff 2009-4-28 10737 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  RSA782201  Mimulus floribundus R. G. Swinney 2009-8-25 11480 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UC446433  Mimulus floribundus C. F. Baker 1903-8-2 36448 Los Angeles near Claremont; San Antonio Canyon Comment
  LA51867  Mimulus guttatus Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA165269  Mimulus guttatus Gordon Pilone 1962-6-24 501 Los Angeles 1 mile W of Topanga Canyon on Robinson Road 305 Comment
  UCR209130  Mimulus guttatus R. G. Swinney 2008-6-24 9094 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  RSA447915  Mimulus guttatus M. Bisbee 1917-5-5 s.n. Los Angeles Stream, Eagle Rock Valley Comment
  UCSB28894  Mimulus guttatus Miller, Brian 1963-4-17 Los Angeles Whittier Narrows; San Gabriel River 137 Comment
  RSA0056594  Mimulus johnstonii LeRoy Gross 2005-6-23 2383 Los Angeles Road survey for Angeles National Forest; From Alder Saddle 4 miles down road 5N04 along South Fork Little Rock Creek. 1401 Comment
  UCR238630  Mimulus johnstonii Anuja Parikh, Nathan Gale 2010-6-18 3342 Los Angeles Transverse Range; San Gabriel Mountains, upper Big Tujunga Canyon, 0.9 km north of State Hwy 2 (Angeles Crest Hwy) 0.3 km west of Upper Big Tujunga Canyon Road 1240 Comment
  UC27082  Mimulus parishii Dr. A. Davidson 1895-1 Los Angeles Rock Creek Mojave Dist. Comment
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Apr 29 2009
  RSA0127186  Mimulus parishii Louis C. Wheeler 1967-7-20 10141 Los Angeles Aliso Canyon. 1067 Comment
  JEPS10610  Mimulus pilosus Frank W. Peirson 1918-10-16 269 Los Angeles Pacoima Canyon San Gabriel Mountains 548 Comment
  CAS-BOT-BC388668  Minuartia douglasii Timothy S. Ross; Steve Boyd 1994-5-25 7884 Los Angeles Liebre Mountains. West Summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersection of sections 3, 4, 9, & 10 1708 Comment
  RSA512032  Minuartia douglasii L. C. Wheeler 1967-5-18 9633 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  RSA586478  Minuartia douglasii Orlando Mistretta 1995-6-20 1820 Los Angeles Bare Mountain Canyon. 1829 Comment
  SBBG69946  Minuartia douglasii R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UCR273415  Mirabilis laevis R. G. Swinney 2011-3-18 14142 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  SD69362  Mirabilis laevis var. crassifolia Robert F. Thorne, P. Everett 1965-5-10 34451 Los Angeles Santa Catalina Island, Cape Canyon. Comment
  RSA157801  Mirabilis laevis var. crassifolia Peter H. Raven 1962-5-9 17655 Los Angeles Just N of Gray, San Clemente Island. 366 Comment
  SDSU8455  Mirabilis laevis var. crassifolia R. M. Beauchamp 1967-1-29 153 Los Angeles Growing in canyon west and below Marine Outpost above Pyramid Cove. San Clemente Island. Comment
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May 16 2008
  SEINET8544931  Mirabilis laevis var. crassifolia G. B. Grant 1904-4-16 791 Los Angeles Los Angeles. Comment
  UC483218  Monanthochloe littoralis L. R. Abrams and I. L. Wiggins 1931-7-7 403 Los Angeles Channel Islands, Santa Catalina Island, Catalina Harbor Catalina Harbor; Channel Islands, Santa Catalina Island, Catalina Harbor Comment
  UC1587609  Monardella australis subsp. cinerea Tim Ross 1991-8-14 5779 Los Angeles Roundtop [Mtn] San Gabriel Mountains, Chilao Flat USGS 7.5' Quad. 1752 Comment
  POM221981  Monardella viridis subsp. saxicola Louis C. Wheeler 1936-6-22 4174 Los Angeles Tanbark Flat, San Dimas Canyon, San Gabriel Mtns. 823 Comment
  UCR274954  Monolopia lanceolata Michael Honer, Rachel Woodard 2006-4-12 2181 Los Angeles Tehachapi Mountains area, Hills above Oso Cyn.; c. 1.5 miles NNW of Quail Lake, 2 miles west of cement plant rd. 1128 Comment
  POM193560  Mucronea californica C. C. Parry 1933-1 262 Los Angeles [San Gabriel Mts] Comment
  UCR162578  Muhlenbergia asperifolia Anuja Parikh, Nathan Gale 2004-7-3 2079 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 16), south of the river near Potrero Canyon 366 Comment
  RSA584601  Muhlenbergia microsperma Timothy S. Ross, Orlando Mistretta 1993-5-27 7330 Los Angeles W end of San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon. 841 Comment
  RSA739672  Muhlenbergia microsperma John Dittes, Josephine Guardino 2008-2-23 1501 Los Angeles Western Transverse Ranges, San Gabriel Mtns, Big Tujunga Reservoir, 3.4 air miles NE of Mt. Gleason Jr. Highschool, near Delta Flat Pinic Area 530 Comment
  UC1109354  Muhlenbergia microsperma Peter H. Raven 1962-4-12 17324 Los Angeles near foot of canyon s of canyon below the Tomb (w side San Clemente Island); s side San Clemente Island 137 Comment
  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
  RSA647900  Muhlenbergia rigens LeRoy Gross, Wayne Law 2000-8-8 249 Los Angeles Big Tujunga Wash/ Verdugo Mountains region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 337 Comment
  UC1871321  Muilla maritima T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4798 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
  UC5277  Myrica californica J. Burtt Davy October, 1896 2751 Los Angeles Santa Monica Comment
  RSA628798  Myriophyllum aquaticum H. L. Cogswell 1948-5-8 s.n. Los Angeles 3 mi. S. of El Monte. S.W. Cate Ditch property, San Gabriel River Wildlife Santuary. Comment
  RSA748900  Nama californica R. G. Swinney 2008-5-12 8835 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  PASA2104  Nama parryi Margaret Stason 1931-5-13 Los Angeles Chilao, San Gabriel Mts. Comment
  POM1036B  Nassella cernua I. M. Johnston 1917-6-10 1300 Los Angeles Near Mesmer. 30 Comment
  RSA484105  Nassella lepida Freda Detmers 1931-4-1 s.n. Los Angeles Griffith Park. Comment
  POM158253  Nassella pulchra M. B. Dunkle 1928-3-31 1780 Los Angeles Little Harbor, Santa Catalina Island. 152 Comment
  CDA38757  Nassella tenuissima M. O Brien 2012-10-7 s.n. Los Angeles La Piedra State Beach. 0 Comment
  RSA647895  Nasturtium officinale LeRoy Gross, Wayne Law 2000-8-8 179 Los Angeles Big Tujunga Wash/ Verdugo Mountains region: East of Hansen Dam, entered at Orcas Ave. Parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 325 Comment
  RSA469840  Navarretia hamata subsp. hamata B. C. Templeton 1935-6-23 4791 Los Angeles Azusa. Comment
  RSA469842  Navarretia hamata subsp. hamata Geo L. Moxley, Grinnell 1916-6-15 483 Los Angeles Hills near Santa Susana Pass. Comment
  SFV20883  Navarretia hamata subsp. hamata L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1074 Los Angeles Verdugo Mountains North side of Verdugo Mountains south of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south or and you can see the 210 Freeway. 556 Comment
  SFV21061  Navarretia hamata subsp. hamata L. Gross, S. Larson, V. Soza 2001-5-31 388 Los Angeles Verdugo Mountains Southeast side of mountains. Dead Horse Canyon along road (Heather Ridge Drive). 335 Comment
  RSA244379  Navarretia hamata subsp. hamata Robin S. Collins 1973-5-15 282 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon. 609 Comment
  CAS-BOT-BC536061  Nemacladus longiflorus var. breviflorus R. G. Swinney 2011-5-19 14791 Los Angeles San Gabriel Mtns: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 mi at 84 deg. SSE of jct of Colby Ranch Rd and FD Rd 3N19, upper Colby Cyn 1018 Comment
  UCR126549  Nemacladus longiflorus var. breviflorus Mark A. Elvin 2003-5-1 s.n. Los Angeles Santa Clarita Valley, Newhall Ranch, Castaic Mesas. c. 1 mi SW of Castaic Lagoon at the W edge of a mesa, north of Charlie Canyon 366 Comment
  RSA778923  Nemacladus ramosissimus Orlando Mistretta, Christine Mistretta 2010-6-2 5241 Los Angeles Mill Creek Canyon, 1.40 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1348 Comment
  UCR192038  Nemophila menziesii A. C. Sanders 2008-4-11 34859 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, NW of VABM 'Pine 970 Comment
  RSA652199  Nemophila menziesii Jeanne Bellemin 1969-5-10 s.n. Los Angeles Evey Can. off Baldy Rd. Comment
  SD113484  Nemophila menziesii var. integrifolia Darley F. Howe 34 Los Angeles Claremont Comment
  RSA602553  Nicotiana attenuata Louis C. Wheeler 1967-8-8 10379 Los Angeles Angeles National Forest: Loomis Ranch, Alder Creek 1311 Comment
  SEINET12274552  Nicotiana glauca Unknown 1945-1 s.n. Los Angeles Pasadena Comment
  SEINET10696846  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3980 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SEINET10818926  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3966 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  RSA552593  Nitrophila occidentalis D. Charlton 1991-5-18 5190 Los Angeles Piute Ponds, Edwards Air Force Base. Old Homestead road just east of ponds, south of Rosamond Dry Lakebed. 701 Comment
  LA210312  Nymphaea mexicana Peter H. Raven; Henry J. Thompson 1959-10-18 14673 Los Angeles Mouth of Malibu Creek at N arm of Malibu Lake 220 Comment
  UC174208  Oenanthe sarmentosa Katharine Brandegee Los Angeles San Pedro Comment
  UCR186970  Oenothera californica A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32232 Los Angeles Tehachapi Mtns. Foothills/Mojave Desert, western end of the Antelope Valley, SW corner of intersection of Ave. 300 West and Oso Pumping Plant Rd. 915 Comment
  RSA507558  Oenothera californica subsp. californica Louis C. Wheeler 1967-8-1 10220 Los Angeles San Gabriel Mountains: 1/2 mile N of Roundtop. 1890 Comment
  UC1007117  Oenothera elata subsp. hirsutissima P. A. Munz 1936-7-1 14178 Los Angeles Claremont Comment
  UC39369  Oenothera sinuosa F. W. Peirson 1920-6-13 2160 Los Angeles Pasadena Comment
  RSA756915  Opuntia basilaris R. G. Swinney 2008-6-9 9017 Los Angeles Paradise Springs (Big Rock Creek Camp), 100 m west of campground on north bank of Big Rock Creek 1427 Comment
  SEINET10881682  Opuntia covillei var. piercei Joseph A. Ewan 1936-8-2 Ewan 9916 A Los Angeles San Gabriel Mts. Few scattered clumps on gravel bars in mid stream course. Mescal Creek. 1615 Comment
  RSA188357  Opuntia prolifera R. F. Thorne, Percy C. Everett 1965-6-24 35049 Los Angeles Santa Catalina Island, on ridge between Little Harbor and mouth of Cottonwood Canyon. 61 Comment
  UC557624  Opuntia prolifera Nell Murbarger 1936-3 93 Los Angeles San Clemente Island; on mesa summit and w and s sides Comment
  RSA0065394  Oreonana vestita S. Granger 1974-6-22 s.n. Los Angeles Mt. Williamson Peak. 2476 Comment
  RSA593494  Orobanche bulbosa Steve Boyd, Mike Wall 1996-5-16 8774 Los Angeles Liebre Mountains, ridgeline and adjacent slopes of side canyon to Charlie Canyon, west of San Francisquito Canyon off Angeles National Forest Road 5N17, ca 0.4 road miles south of jtn with 5N30, south of Red Mountain. 671 Comment
  RSA0059170  Orobanche bulbosa F. W. Peirson 1919-5-14 417 Los Angeles East trail to Mt. Lowe, San Gabriel Mts. 1295 Comment
  CAS-BOT-BC502899  Orobanche fasciculata Louis C. Wheeler 1973-5-3 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon Comment
  RSA0076269  Orobanche multicaulis Frank W. Peirson 1926-5-8 6728 Los Angeles 12 miles east of Palmdale, Antelope Valley. Comment
  RSA596021  Orthocarpus purpurascens var. purpurascens Tim S. Ross, J. Mark Porter 1995-5-4 8438 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA458990  Osmorhiza brachypoda Sam Tyson 1943-3-26 s.n. Los Angeles San Dimas Canyon 610 Comment
  POM353417  Oxalis albicans subsp. californica M. B. Dunkle 1932-1-31 s.n. Los Angeles Silver Canyon Trail, Santa Catalina Island. 874 Comment
  LA50662  Oxalis californica Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  LA50658  Oxalis corniculata A. M. Johnson; 1932-2-27 3839 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  UCSB16241  Oxalis pes-caprae Van Scoyoc, Dave 1963-5-18 Los Angeles Along roadside of Ardmore Ave., .1 mile north of First Place, Hermosa Beach Comment
  RSA228993  Oxytheca parishii var. parishii Robert F. Thorne 1971-8-25 41293 Los Angeles San Gabriel Mts., Angeles National Forest: Above Little Jimmy Springs along trail to Windy Gap 2287 Comment
  RSA755943  Oxytheca parishii var. parishii R. G. Swinney 2008-7-25 9305 Los Angeles Twin Peaks, east peak. 2357 Comment
  SD82888  Oxytheca parishii var. parishii R. F. Thorne, M. Z. Thorne 1969-7-10 38425 Los Angeles San Gabriel Mts. Angeles National Forest: Dry, open Pinus jeffreyi - Quercus kelloggii woods above small stream c. 1.5 miles W of Wrightwood. 1951 Comment
  CAS-BOT-BC318200  Packera breweri C. Epling; L. Wheeler 1933-6-4 1848 Los Angeles Sandbergs near Quail Lake. 1310 Comment
  POM145679  Packera breweri L. R. Abrams 1927-4-30 11720 Los Angeles Head of Antelope Valley. Comment
  RSA598888  Packera breweri Steve Boyd, Timothy S. Ross 1997-3-21 9204 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  LA29132  Paeonia californica Mary V. Hood; 1936-3-5 36 1 Los Angeles Santa Monica Mountains, Higgins Canyon Comment
  UC136333  Paeonia californica C. F. Baker 1903-4-1 5045 Los Angeles Claremont Comment
  UC1552172  Paeonia californica David Charlton 1988-4-2 1474 Los Angeles I 15 from Swarthout Valley Rd to end of pavement; Cajon Pass, Cleghorn Road Turnoff 1524 Comment
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Jul 13 2011
  UCR178618  Paeonia californica R. G. Swinney 1989-5-12 s.n. Los Angeles San Gabriel Mtns., north of Glendora, 200 yds. south of Glendora Mtn Rd. on firebreak on west boundary of Glendora Wilderness Park, east of Colby Fire Rd. 473 Comment
  UCSB2027  Paeonia californica Wedberg, H. 1958-2-22 Los Angeles About 5 miles west of Beverly Glen on Mulholland Drive, Santa Monica Mts. Comment
  UCR199987  Panicum capillare Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1361 Los Angeles Transverse Ranges; Verdugo Mountains, Intersection of North Beaudry Motorway and Deer Creek 518 Comment
  RSA445552  Papaver californicum Bonnie C. Templeton 1939-4-26 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  UCR200159  Papaver californicum Valerie Soza, Laura A. Moore 2000-5-10 857 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines to peak ''1936' 579 Comment
  RSA445550  Papaver californicum Bonnie C. Templeton 1931-3-1 s.n. Los Angeles Mandeville Canyon. 350 Comment
  POM367112  Parapholis incurva Anstruther Davidson 1890-06 s.n. Los Angeles San Pedro Comment
  UCD111502  Parietaria hespera var. hespera A. C. Sanders 2003-5-22 26823 Los Angeles San Gabriel Valley. On boundary between Irwindale and Azusa, E of Irwindale Ave., S of 210 Fwy (which bisects pit) and N of Santa Fe R.R., E of the San Gabriel River channel. 170 Comment
  UCR177758  Parietaria hespera var. hespera LeRoy Gross, B. Hogshead, Valerie Soza 2003-5-29 956 Los Angeles Transverse Ranges; Verdugo Mountains, West end of the mtns at junction (saddle) of Verdugo motorway and Wildwood Fire Road. Small draw NE of saddle, and canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) 564 Comment
  UCR182712  Parietaria hespera var. hespera R. G. Swinney 1998-2-16 5895 Los Angeles San Gabriel Mountains/San Gabriel Valley, mouth of San Gabriel River about 100-350 m north of Foothill Blvd., east bank 189 Comment
  CAS-BOT-BC413416  Parietaria hespera var. hespera John Thomas Howell 1928-4-18 3728 Los Angeles N. side of Griffith Park, Los Angeles Comment
  UCR210271  Parietaria judaica A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37181 Los Angeles Los Angeles Basin Region, Los Angeles, Watts area, along Stanford Ave. between 111th Place and end at drainage ditch 34 Comment
  RSA733306  Paspalum vaginatum R. E. Riefner 2006-7-29 6 -327 Los Angeles City of Carson, near Victoria Park, Dominguez Channel, at Del Amo Blvd. near Carson St. 7 Comment
  UCR120584  Pectocarya anisocarpa Steven R. Hill, K. Kramer 2001-4-22 33343 A Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  UCR127066  Pectocarya anisocarpa Mark A. Elvin, Cathleen Weigand 2003-4-7 2449 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  SBBG36256  Pectocarya linearis subsp. ferocula S. A. Junak with M. L. Hoefs, L. Stratton 1998-3-21 SCa 498 Los Angeles Cape Cyn, along E side of Cape Cyn Rd, ca. 2.4 rd mi from intersection with Airport Rd 377 Comment
  JEPS76499  Pectocarya linearis subsp. ferocula L. R. Heckard with Maynard Moe 1977-4-2 4555 Los Angeles 1 mi n south entrance to Edwards Air Force Base (along Edwards Boulevard); Edwards Air Force Base 701 Comment
  RSA159349  Pectocarya linearis subsp. ferocula P. H. Raven 1962-4-10 17204 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  RSA757330  Pectocarya linearis subsp. ferocula Orlando Mistretta, Christine Mistretta 2008-4-3 2298 Los Angeles Liebre Mountains region: near the intersection of Southern California Edison Transmission Line and Peaceful Valley Road, North of intersection of transmission Line and State Hwy 14, in the vicinity of Soledad Pass (Segment 5, structure 60 per TRTP survey; 2008). 1083 Comment
  UCR123929  Pectocarya penicillata Steven R. Hill, K. Kramer 2001-4-22 33343 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  LA200429  Pectocarya penicillata Anonymous; sn Los Angeles Comment
  UCR177234  Pectocarya platycarpa T. S. Ross 1991-4-28 4769 Los Angeles Mojave Desert; West Mojave Desert region, Adobe Mountain: southwesterly extension of the mountain 927 Comment
  LA51895  Pedicularis densiflora C. L. Hogue; 1954-3-6 sn Los Angeles Comment
  RSA226229  Pellaea andromedifolia var. andromedifolia Gary D. Cromwell, David W. Wheat 1971-5-14 649 Los Angeles San Gabriel Mountains: Mystic Canyon, Angeles National Forest. 2 miles NE of Glendora. On ridge west of canyon mouth 457 Comment
  RSA533475  Pennisetum setaceum Timothy S. Ross 1991-4-21 4566 Los Angeles Whittier Hills (Puente Hills, pro parte), Skyline Drive at the head of Turnbull Canyon, Next to old burned-down homestead 354 Comment
  UCR252874  Pennisetum setaceum R. G. Swinney 2010-3-10 11804 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  LA200964  Penstemon X parishii Carl Wishner; 1989-4-12 1550 Los Angeles SIMI HILLS, Liberty Canyon, quarry site 0.25 mi NW of US 101 underpass. 320 Comment
  RSA0110915  Penstemon centranthifolius R. G. Swinney 2011-6-7 15080 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  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
  RSA412445  Penstemon centranthifolius N. C. Cooper 1945-5-1 2221 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  RSA650286  Penstemon centranthifolius Ken Chapman, Glenn Harthorn, Don Lage 1949-4-16 s.n. Los Angeles Lake Hughes. Found on hillside above Lake Hughes. 999 Comment
  SD234196  Penstemon centranthifolius Virginia Pinkus Ryder 1964-6-20 234 Los Angeles Switzer's Camp. W. slope. 1067 Comment
  RSA68356  Penstemon grinnellii Verne Grant, Alva Grant 1951-6-11 16033 Los Angeles Near Hwy 2, several miles beyond Red Box Ranger Station. Comment
  UC1063207  Penstemon grinnellii var. scrophularioides A. D. Gifford 1935-5-8 668 Los Angeles Whitaker Peak% Angeles National Forest, Tejon Quad., Whitaker Peak Comment
  RSA755839  Penstemon heterophyllus R. G. Swinney 2008-6-25 9100 Los Angeles Glendora, West Harrow Canyon, 0.4 mi. NW of Harrow Canyon Debris Basin 439 Comment
  RSA407907  Penstemon heterophyllus var. australis Fay A. MacFadden 1931-4-22 2647 Los Angeles San Francisquito Canyon. Comment
  POM305767  Penstemon heterophyllus var. heterophyllus Henry J. Ramsey, Henry J. Ramsey 1937-6-27 957 Los Angeles Pine Canyon, Angeles National Forest Comment
  JEPS13709  Penstemon incertus R. Hoffman 1931-4-28 334 Los Angeles between Willow Springs and Neenach (Antelope Valley); , btw Willow Springs and Neenach Comment
  SEINET13276749 Image available Penstemon labrosus R. G. Swinney 2011-1 15717 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom (Crystal Lake 7.5' Q.) (T3N R9W S11) 2353 Comment
  POM17635  Penstemon rostriflorus Philip A. Munz 1923-8-31 7669 Los Angeles Big Pines, Swartout Valley. 2226 Comment
  RSA332051  Penstemon rostriflorus Wayne E. Sawyer 1981-6-29 74 Los Angeles San Gabriel Mtns., Angeles National Forest: CA Hwy. 2 between Dawson Saddle and junction of CA Hwy. 39, 1.6 mi. from Dawson Saddle. 2302 Comment
  SEINET10547610  Penstemon rostriflorus Scott Zona, D. Arias; Oscar R. Dorado R.; M. Hanson; Jose Luis Villasenor R. 1921-1 Zona 323 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2018 Comment
  RSA712715  Penstemon spectabilis A. C. Sanders 2003-3-14 25764 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
  UCR210030  Penstemon spectabilis R. G. Swinney 2008-7-13 9183 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, west fork of Bell Canyon at debris basin 732 Comment
  SBBG54520  Penstemon spectabilis F. W. Pennell, H. Anderson 1940-4-30 25300 Los Angeles road to Saddle Peak, W of Topanga, Santa Monica Mtns 731 Comment
  RSA176439  Pentachaeta lyonii P. H. Raven, Robert F. Thorne 1964-5-7 19017 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  UCR261122  Pentagramma triangularis Joseph Cahill 2010-12-22 1210- 28 Los Angeles Western Transverse Range; Santa Monica Mountains, Mulholland Hwy, c. 2 miles from Pacific Coast Hwy 65 Comment
  RSA0070769  Pentagramma triangularis R. F. Thorne, Percy C. Everett 1965-5-10 34494 Los Angeles Upper end of Gallagher Canyon, Santa Catalina Island. 412 Comment
  SEINET12315988  Pentagramma triangularis J. F. Bright 1934-1 9235 Los Angeles Santa Monica Coast Range Comment
  SBBG76922  Pentagramma triangularis subsp. triangularis F. R. Fosberg 1931-3-20 R 76 Los Angeles Hamilton Cyn Comment
  SBBG59645  Perideridia pringlei R. Hoffmann 1929-5-22 Los Angeles above Elizabeth Lake Comment
  SFV1552  Peritoma arborea C. Gasser 1956-3-9 s. n. Los Angeles Santa Monica Mountains Calabasas, 2 miles from Highway 101 on Topanga Canyon Road on side of road. 210 Comment
  CAS-BOT-BC73755  Peritoma arborea var. arborea Volney Rattan 1880-3-1 s.n. Los Angeles Santa Monica Comment
  SBBG13456  Perityle emoryi E. R. Blakley 1962-10-4 5411 Los Angeles SE side of the Isthmus Cove 3 Comment
  RSA0003582  Phaca davidsonii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA428303A  Phacelia brachyloba Robert L. Dressler 1949-6-18 899 Los Angeles Johnstone Peak, San Gabriel Mts. 854 Comment
  SBBG87689  Phacelia brachyloba S. Boyd with T. Elias 1987-4-14 2067 Los Angeles Pine Mtn and Silver Mtn [between], S of Rincon-Red Box Rd, N of Glendora Comment
  SEINET13711392  Phacelia cicutaria J. Adams, J. Adams (Botany) 1965-1 83 Los Angeles Claremont, Thompson's Wash, N End Indian Hill Blvd 1400 Ft 427 Comment
  RSA0087092  Phacelia cicutaria var. hispida R. G. Swinney 2010-3-30 12112 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA0055020  Phacelia cicutaria var. hispida Jim Shevock 1970-4-16 112 Los Angeles Topanga Canyon. Santa Monica Mountains. 365 Comment
  RSA596371  Phacelia cicutaria var. hispida R. G. Swinney 1989-5-6 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon and its tributaries. Poop-out Hill firebreak. 488 Comment
  HSC13741  Phacelia cicutaria var. hubbyi C. E. Fellows 1965-6-27 109 Los Angeles 3/10 mi. S of Dartford St. on Sepulveda Blvd. Comment
  HSC24468  Phacelia curvipes R. F. Thorne, M. Z. Thorne 1969-7-9 38514 Los Angeles San Gabriel Mtns., Angeles National Forest, on summit of Table Mtn. 2134 Comment
  UC107360  Phacelia davidsonii A. J. McClatchie 1896-5-25 Los Angeles Wilson's Peak Comment
  UC212516  Phacelia davidsonii I. M. Johnston 1918-6-16 2034 Los Angeles mouth of Icehouse Canyon San Antonio Mountains 1524 Comment
  RSA0106728  Phacelia distans R. G. Swinney 2011-6-23 15291 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station. 1570 Comment
  RSA517856  Phacelia distans Steve Boyd 1986-3-30 1508 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA771555  Phacelia distans R. G. Swinney 2009-5-28 10950 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  SD237468  Phacelia distans R. G. Swinney 2009-4-28 10529 Los Angeles Transverse Range: San Gabriel Mountains: summit of Mt. Emma (Pacifico Mtn 7.5'Q) 1584 Comment
  UC131688  Phacelia distans C. F. Baker 1904-4-20 4724 Los Angeles Claremont Comment
  UCR220185  Phacelia distans R. G. Swinney 2009-4-7 10290 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UCR258799  Phacelia distans R. G. Swinney 2010-3-16 11936 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  SD41340  Phacelia douglasii var. douglasii Edith A. Purer 1931-3-16 1513 Los Angeles El Segundo Comment
  SD134443  Phacelia fremontii Craig Reiser 1991-5-6 Los Angeles Palmdale, Verde Ridge Comment
  SEINET5763101  Phacelia grandiflora L. C. Wheeler 1936-6-8 4141 Los Angeles San Gabriel Mts., mouth of Bell Canyon Comment
  RSA660220  Phacelia longipes Fred Brooks 1988-5-7 38 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff 1372 Comment
  RSA660847  Phacelia longipes Gerald Braden, Lori Ackerman 1988-5-19 22 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  RSA755715  Phacelia longipes R. G. Swinney 2008-6-18 9069 Los Angeles Juniper Hills, 1.5 miles SW of Cruthers Creek bottom, Burkhart Trail 1744 Comment
  UC672394  Phacelia longipes Herbert L. Mason 1926-4-27 3030 Los Angeles Rock Creek San Gabriel Mountains Comment
  UCR68614  Phacelia longipes T. S. Ross, Steve Boyd 1990-6-6 2878 Los Angeles Los Padres National Forest, Piru Pond 645 Comment
  CATA1161  Phacelia lyonii Mark L. Hoefs 1995-5-30 2154 Los Angeles Santa Catalina Island: Ben Weston Beach 4 Comment
  UC1426037  Phacelia lyonii Robert F. Thorne 1966-4-16 36045 Los Angeles 1/2 mi sse Eel Point (sw side of island, rocky slope above pebbly beach); San Clemente 1 Comment
  SEINET3158193  Phacelia magellanica G. B. Grant 1906-6-16 968 /6698 Los Angeles Summit Mt. Wilson 1829 Comment
  SD125447  Phacelia minor Daryl Koutnik, John Cuti 1978-4-12 338 Los Angeles Verdugo Mountains, S of La Tuna Canyon Road 579 Comment
  UCR98767  Phacelia minor Jack Easton 1997-2-25 s.n. Los Angeles Glendale: western toe of San Rafael Hills 305 Comment
  CAS-BOT-BC145050  Phacelia mohavensis Oliver unspecified s.n. Los Angeles Antelope Valley Comment
  LA201511  Phacelia parryi Arthur C. Gibson; 2003-5-17 4880 Los Angeles 234 Comment
  UCR45024  Phacelia ramosissima var. austrolitoralis A. C. Sanders 1986-7-30 6825 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  SD108870  Phacelia tanacetifolia James Henrickson 1973-5-12 9580 Los Angeles 9 miles SW of Little Rock, 0.2 miles S of Mt. Emma Rd., along Hwy N3. 1189 Comment
  RSA106837  Phacelia tanacetifolia Percy C. Everett, Nick Lolonis 1962-4-30 24459 Los Angeles Hwy 138 at intersection with Palmdale Road Comment
  UCSC003068  Phacelia tanacetifolia Peter Kamb 1948-7-13 1208 Los Angeles on south side of canyon - San Gabriel Mountains, Big Tujunga canyon at Wildwood 549 Comment
  POM1061  Phalaris minor I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
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Oct 7 2008
  POM298880  Phalaris minor Frank W. Gould 1944-4-15 2292 Los Angeles Near corner of Crenshaw and Rosecrans. Comment
  RSA158310  Phalaris minor P. H. Raven 1962-4-11 17302 Los Angeles Northwest end of island between Driggs and West Rock, San Clemente Island 15 Comment
  RSA0112062  Phalaris minor Steven A. Junak 2000-5-6 SCa- 1267 Los Angeles Santa Catalina Island. Small reservoir, along S side of Upper Empire Quarry Road, 0.8 mi. W of intersection w/road to Empire Landing housing. 97 Comment
  RSA716922  Phoenix canariensis LeRoy Gross, Naomi Fraga 2006-1-20 2451 Los Angeles East end of the Verdugo's. North side of the main crest. Deer Creek off of Beaudry Road. West of Debris Basin. 448 Comment
  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
  UC1245414  Pholistoma membranaceum Joseph T. Gregory 1932-3-31 70 Los Angeles edge of Mojave Desert Little Rock Creek; Mojave Desert, Little Rock Creek 914 Comment
  SBBG95204  Pholistoma racemosum M. B. Dunkle 1928-3-31 1773 Los Angeles Little Harbor Comment
  CAS-BOT-BC135285  Phoradendron bolleanum Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3388 Los Angeles Little Rock Creek, Joshua Tree Campground on the SW side of Little Rock Reservoir; San Gabriel Mountains 1002 Comment
  SEINET6044833  Phoradendron coryae Unknown 1972-12-20 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CLARK-A1528-4420  Phoradendron juniperinum subsp. libocedri John C. Roos 1937-5-31 2031 Los Angeles San Gabriel Mountains Comment
  RSA596313  Phoradendron libocedri Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3370 Los Angeles Big Rock Creek Canyon, along stream and immediately adjacent flats and slopes; ca 130m N to 250m NNW of Icy Springs. 1713 Comment
  SEINET10327435  Phoradendron serotinum subsp. tomentosum G. B. Grant, W. Wheeler 1904-5-17 979 /6243 Los Angeles Mount Wilson, Pasadena. 1524 Comment
  RSA603678  Phoradendron villosum Steve D. Boyd 1997-9-17 10044 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  RSA773784  Phoradendron villosum R. G. Swinney 2009-7-22 11304 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  SEINET3404197  Phyllospadix torreyi F. R. Fosberg 1931-4-12 S 4575 Los Angeles Santa Catalina Island, Jewfish Point -10 Comment
  CAS-BOT-BC452036  Phyllospadix torreyi C. Epling 1933-7-1 s.n. Los Angeles Palos Verdes Comment
  RSA187711  Phyllospadix torreyi Robert F. Thorne 1966-9-15 36686 Los Angeles Santa Catlina Island, attached to boulder over sandy bottom amid kelp in perhaps 5ft of water at low tide, near Balck Point, N side of W end of island. 2 Comment
  RSA0020261  Physalis acutifolia J. D. Laudermilk 1937-10-13 s.n. Los Angeles Baseline Rd. ad Forbes Ave., N. of Claremont. Comment
  LA32091  Picris echioides Peter H. Raven; Henry J. Thompson 1959-9-18 14437 Los Angeles West Los Angeles, along railroad tracks, Santa Monica Boulevard near Beverly Glen Boulevard 76 Comment
  RSA595010  Picris echioides Mark Hoefs, Steven A. Junak, Ralph N. Philbrick, C. Chaney 1996-2-14 2588 Los Angeles Santa Catalina Island, Falls Canyon, above buildings below reservoir. 58 Comment
  RSA659887  Pinus attenuata Brian McColgan 1988-5-10 6 Los Angeles Evey Cyn., 1 mile N of Padua on Mt. Baldy Rd 915 Comment
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Mar 27 2014
  UC1409121  Pinus flexilis Robert F. Thorne and J. Dourley 1967-10-3 37289 Los Angeles just s of peak of Mt. Baden-Powell Mt. Baden-Powell (on dry, open rocky ground) 2849 Comment
  UC284245  Pinus flexilis P. A. Munz 1933-7-13 7672 Los Angeles ridge s of Swartout Valley (n edge of ridge); San Gabriel Mts. 2590 Comment
  CATA1927  Pinus halepensis Amy Catalano, Anne Kelly 2014-10-14 018 Los Angeles Santa Catalina Island: One-quarter mile west of Cape Canyon reservoir, along Cape Canyon Road 303 Comment
  SEINET3873310  Pinus lambertiana G. B. Grant 1904-5-17 s.n. Los Angeles Mt. Wilson, Southern California.; 0 1524 Comment
  UCR269935  Pinus monophylla R. G. Swinney 2010-5-19 12804 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
  RSA384450  Pinus ponderosa Ora M. Clark 1928-12-8 1365 Los Angeles San Gabriel Mountains, Middle elevations Comment
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Mar 27 2014
  RSA651147  Pinus ponderosa Kurt Zeiher 1949-5-7 sn Los Angeles Dalton Canyon. 152 Comment
  SEINET10932761  Pinus remorata Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4819 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  SEINET10530520  Pinus wallichiana David B. Dunn 1939-10-25 Dunn UMO 46552 Los Angeles Cultivated tree in a park area near Colorado Blvd. and Orange Dr., Pasadena, Calif. 274 Comment
  RSA611915  Piperia cooperi Louis C. Wheeler 1934-4-27 2574 Los Angeles Marshall Creek (La Verne Quad.), San Gabriel Mountains. 457 Comment
  CAS-BOT-BC136588  Piperia michaelii G. B. Grant 1901-6-5 s.n. Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  RSA0105043  Piptatherum miliaceum R. G. Swinney 2011-10-27 15918 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  SBBG96791  Piptatherum miliaceum T. Ross, S. Boyd 1990-6-6 2814 Los Angeles Green Valley Pasture, in San Francisquito Cyn 926 Comment
  UCR273445  Piptatherum miliaceum R. G. Swinney 2011-10-25 15876 Los Angeles San Gabriel Mountains, south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39 1006 Comment
  UCR149858  Pittosporum undulatum Scott D. White 2004-4-23 10237 Los Angeles Los Angeles Basin, City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  SD124496  Plagiobothrys arizonicus Barry Prigge 1986-3-20 6961 Los Angeles Tehachapi Mountains: 0.4 miles east of Gorman on Lancaster Rd. 1128 Comment
  UCR261860  Plagiobothrys canescens var. canescens Tim Thomas 1987-3-17 1040 Los Angeles South Coast, Santa Monica Mountains, Paramount Ranch, north secion on small hill 229 Comment
  CATA3335  Plagiobothrys canescens var. catalinensis Amy Catalano 2017-4-13 052 Los Angeles Santa Catalina Island: Steep hillside about 150 meters SW of junction of Silver Peak and Water Tank roads 323 Comment
  UCR114928  Plantago coronopus C. B. Wolf 1932-5-11 03554 Los Angeles Channel Islands, Santa Catalina Island, west side of Isthmus Harbor 30 Comment
  SBBG32140  Plantago coronopus R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -234 Los Angeles Indian Head Pt Comment
  LA200740  Plantago erecta Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  RSA605820  Plantago lanceolata Louis C. Wheeler 1966-10-27 9103 Los Angeles San Gabriel Mtns: Camp Rincon. Comment
  RSA533420  Plantago major Tim S. Ross 1991-4-21 4529 Los Angeles Whittier Hills (Puente Hills, Proparte) Middle Turnbull Canyon, vicinity of old water tank. 229 Comment
  UCR202692  Platanthera sparsiflora R. G. Swinney 2001-8-11 8042 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  RSA382905  Platanthera sparsiflora F. R. Fosberg, Joseph A. Ewan 1931-8-13 s.n. Los Angeles Big Cienega above Crystal Lake, San Gabriel Mountains. 1982 Comment
  POM1530  Platanus racemosa O. W. Robinson 1916-5-1 s.n. Los Angeles Claremont. Comment
  RSA660222  Platanus racemosa Fred Brooks 1988-4-16 6 Los Angeles San Antonio Canyon, above lower ranger station along edges of canyon. 762 Comment
  JEPS51564  Platystemon californicus Frank W. Peirson 1920-3-28 2103 Los Angeles Tujunga Canyon; San Gabriel Mountains, Tujunga Canyon 457 Comment
  RSA66237  Platystemon californicus F. W. Peirson 1903-2-24 1885 Los Angeles Valley at Eagle Rock Comment
  POM214589  Plectritis ciliosa subsp. insignis Louis C. Wheeler 1934-3-24 2472 Los Angeles Liveoak Canyon, San Gabriel Mts. 488 Comment
  RSA646954  Poa pratensis Orlando Mistretta 1993-7-6 925 Los Angeles Buckhorn Canyon, near exit to Buckhorn Canyon Campground. Comment
  POM16505  Poa secunda Le Roy Abrams 1901-04 1475 Los Angeles Santa Monica Mountains Comment
  RSA0110573  Poa secunda Richard G. Swinney 2011-4-19 14408 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
  RSA276026  Poa secunda Jack Delaini, Barbara Shervanick 1974-4-30 153 Los Angeles Lodi Canyon, San Dimas Experimental Forest. on E-facing slope of W ridge of canyon 823 Comment
  UC167189  Poa secunda subsp. secunda unknown 1015 Los Angeles Old Wilson Trail Comment
  UC205626  Poa secunda subsp. secunda G. B. Grant Apr. 1903 5437 Los Angeles Saugus <Sangus ?> Comment
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Jul 6 2010
  POM258503  Polycarpon tetraphyllum P. A. Munz 1942-5-1 17055 Los Angeles Parking on sixth St. north of Crookshank Hall, Claremont. 366 Comment
  SEINET11932266  Polycarpon tetraphyllum Unknown 1965-1 700 Los Angeles McCaskill Gardens, 25 South Michillinda Avenue, Pasadena Comment
  CAS-BOT-BC167815  Polygala cornuta var. fishiae Dr. A. Davidson 1893-1-1 s.n. Los Angeles Mt. Wilson Comment
  SD126186  Polygonum aviculare Andy C. Sanders 1987-9-18 7354 Los Angeles El Segundo Dunes, W of Los Angeles Int. Airport and Pershing Drive, much of area occupied by houses until 15 years ago 124 Comment
  UCR146690  Polygonum aviculare Scott D. White 2004-7-27 10623 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  UC132268  Polygonum aviculare subsp. aviculare J. and H. W. Grinnell 1906-8-26 365 Los Angeles near Pasadena (vacant lot) Comment
  CATA3041  Polygonum aviculare subsp. depressum Amy Catalano 2016-3-20 050 Los Angeles Santa Catalina Island: Backyard of 106 Middle Ranch 185 Comment
  UCD100167  Polygonum aviculare subsp. depressum Kenneth A. Wilson 1961-2-21 873 Los Angeles Northridge. San Fernando Valley State College campus. Comment
  RSA0084859  Polygonum lapathifolium R. G. Swinney 2010-9-1 13670 Los Angeles Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  LA94045  Polypodium californicum Lawrence L. Kiefer; 1966-5-14 2031 Los Angeles SANTA MONICA MOUNTAINS, ca 2 mi W of Laurel Canyon Blvd in canyon N of Mulholland Dr. 243 Comment
  UCSB62388  Polypodium californicum Kendall, M. 1921-2-13 Los Angeles Palmer's Canon Comment
  POM12491  Polypodium californicum M. L. Kendall 1921-3-19 72 Los Angeles Puddingstone Canyon, San Dimas Comment
  UCSB62286  Polypodium californicum Kiefer, Lawrence 1967-3-18 Los Angeles San Gabriel Mtns., N of La Canada, unnamed tributary of Big Tujunga Canyon, ca. 1mi W of Clear Creek, ca. 1/8mi upstream 609 Comment
  UCSB62350  Polypodium californicum Kiefer, Lawrence 1967-1-15 Los Angeles San Gabriel Mtns., N of Sunland, Dome Canyon tributary of Big Tujunga Canyon, ca, 1mi from confluence 609 Comment
  UCSB62394  Polypodium californicum Kendall, M 1921-2-13 Los Angeles Palmer's canyon Comment
  UCSB62405  Polypodium californicum Kendall, M. 1921-2-13 Los Angeles Palmer's canyon Comment
  SEINET13203207 Image available Polypogon interruptus R. G. Swinney 2011-1 15880 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39 (Crystal Lake 7.5' Q.) 1006 Comment
  UCR187241  Polypogon interruptus A. C. Sanders 2006-5-16 32330 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake 991 Comment
  UCR177623  Polypogon monspeliensis LeRoy Gross, Valerie Soza 2001-6-6 439 Los Angeles Los Angeles Basin region:, Verdugo Mountains, north side; Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. 427 Comment
  UCR205650  Polypogon monspeliensis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36930 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  RSA0127703  Polypogon viridis Louis C. Wheeler 1967-7-18 10105 Los Angeles Gold Creek off Little Tujunga Canyon. 549 Comment
  UCR193672  Polystichum imbricans R. G. Swinney, Dave Larson 1999-6-25 7416 Los Angeles San Gabriel Mtns., south fork of Fern Canyon, NE of Browns Flat 1341 Comment
  UCR261433  Polystichum imbricans Joseph Cahill 2010-9-11 910- 03 Los Angeles Transverse Range; San Gabriel Mtns., along Winter Creek c. 2.3 miles north of Arcadia 2589 Comment
  RSA733671  Polystichum imbricans subsp. imbricans R. G. Swinney 1998-8-5 6657 Los Angeles San Gabriel Mtns.: upper Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch. 1280 Comment
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Mar 14 2010
  POM360796  Populus trichocarpa F. R. Fosberg 1931-7-16 S 5432 Los Angeles Gallagher's Canyon, left fork. Santa Catalina Island. 80 Comment
  SBBG126985  Populus trichocarpa A. Parikh, N. Gale 2011-6-24 3500 Los Angeles S of Rabbit Peak, 1.4 km E of Angeles Forest Hwy, just SE of Monte Cristo Crk; San Gabriel Mtns 1242 Comment
  POM802  Portulaca oleracea D. L. Crawford 1915-6-27 s.n. Los Angeles Claremont. Comment
  RSA191080  Portulaca oleracea R. F. Thorne, M. Z. Thorne 1967-7-2 37232 Los Angeles San Antonio Canyon; Chapman Ranch, above Mt. Baldy Village. 1356 Comment
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Mar 12 2019
  CAS-BOT-BC143082  Potentilla anserina subsp. pacifica Ernest Braunton 1902-6-8 455 Los Angeles Ballona Comment
  RSA293402  Potentilla glandulosa subsp. ewanii Reino Alava, R. C. Bacigalupi 1958-7-20 2226 Los Angeles North slopes of Throop Peak, 1/2 mile south of Dawson Saddle, Angeles Crest Highway (California Highway No. 2), Angeles National Forest, San Gabriel Mountains. 2378 Comment
  LA52094  Potentilla glandulosa subsp. glandulosa Martha Hilend; 1933-5-19 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UCR208206  Potentilla glandulosa subsp. nevadensis F. W. Peirson 1922-7-5 5249 Los Angeles San Gabriel Mountains, Big Pines, Swarthout Valley Comment
  RSA0005674  Potentilla peirsonii F. W. Peirson 1919-6-16 493 Los Angeles S Fork of Rock Creek, San Gabriel Mts. 1982 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
  SEINET10628873 Image available Prunus domestica Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3767 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  POM11428  Prunus emarginata Philip A. Munz 1921-6-17 4606 Los Angeles Swartout Valley, on high ridge. 2287 Comment
  RSA249768  Prunus fasciculata var. fasciculata Robert F. Thorne, C. W. Tilforth 1973-5-11 42984 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge 1143 Comment
  CAS-BOT-BC154783  Prunus virginiana var. demissa Wesley O. Griesel 1962-6-6 s.n. Los Angeles Big Pines, San Gabriel Mts. 2072 Comment
  CAS-BOT-BC356419  Pseudognaphalium beneolens John Thomas Howell 1930-5-18 5172 Los Angeles Pacoima Canyon, San Gabriel Mts. Comment
  UCSB6554  Pseudognaphalium beneolens Kraebel, C. 1931-9-10 Los Angeles San Dimas Canyon, SRE plot; Angeles Forest Comment
  SBBG31403  Pseudognaphalium biolettii R. F. Thorne 1966-4-5 35803 Los Angeles W slope of Black Jack Mtn 518 Comment
  UCR47373  Pseudognaphalium biolettii David Charlton 1987-1-31 640 Los Angeles Western Transverse Range; Santa Monica Mtns., Saddle Peak 610 Comment
  LA91511  Pseudognaphalium californicum Bruce Douglas Clayton; Greg Clayton 1972-5-11 111 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, S side of Castle 548 Comment
  RSA0086916  Pseudognaphalium californicum R. G. Swinney 2010-8-9 13464 Los Angeles Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1037 Comment
  RSA591995  Pseudognaphalium stramineum Mark Hoefs 1974-4-30 430 Los Angeles Santa Catalina Island: by trail in Hermit's Gulch. 91 Comment
  UCD135210  Pseudognaphalium stramineum F. R. Fosberg 1931-3-23 S 4338 Los Angeles Hamilton Canyon, Santa Catalina Island. 15 Comment
  UCSB16217  Pseudotsuga macrocarpa Gerhart, Janet 1963-4-6 Los Angeles 1 mi. on trail E of Red Box Ranger Station at intersection of State Highway 2 and Mt. Wilson Road 822 Comment
  UCR217437  Pteris vittata R. G. Swinney 2009-2-26 10037 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  RSA392919  Pterostegia drymarioides Anstruther Davidson 1902-04 s.n. Los Angeles Playa del Rey. Comment
  UCR256590  Purshia stansburyana Anuja Parikh, Nathan Gale 2011-6-3 3410 Los Angeles Western Transverse Range; eastern Liebre Mtns., Sierra Pelona, 4.0 km west of State Hwy 14, 2.4 km SW of California Aqueduct 1174 Comment
  CAS-BOT-BC158666  Purshia tridentata var. glandulosa James R. Shevock 1976-4-24 5019 Los Angeles Along Big Pine highway approx. 2 miles from Big Rock Canyon toward Valyermo, east base of the San Gabriel Mts., Angeles National Forest 1249 Comment
  RSA614328  Purshia tridentata var. glandulosa Louis C. Wheeler 1968-4-17 s.n. Los Angeles Big Rock Creek 1 mile north of Big Rock Springs. 1143 Comment
  CAS-BOT-BC147773  Purshia tridentata var. tridentata Steven R. Hill; Kate Kramer 2001-4-22 33358 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 9.7 miles by road south-southwest of junction with Johnson Road, vicinity of Bee Canyon 548 Comment
  UC486360  Pycnanthemum californicum Ruth B. Randell Jul 1931 42 Los Angeles Big Rock Creek Comment
  RSA678136  Pyracantha fortuneana Valerie L. Soza, Monica Acosta 2001-6-28 1306 Los Angeles Transverse Ranges, San Gabriel Mountains region: Mouth of El Prieto Canyon, along FS Road 2N66, lower El Prieto trailhead. [Coordinates given for Pasadena.] 396 Comment
  CAS-BOT-BC45788  Quercus S. B. Parish 1916-3-31 17060 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC45626  Quercus agrifolia Steve Boyd; Lauren Raz 1997-4-30 9624 Los Angeles Liebre Mountains region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mt. 914 Comment
  UCSB34876  Quercus agrifolia R. Lloyd 1959-3-24 82 Los Angeles 10 MI N OF CASTAIC ON US HWY 99 OAK FLATS FIRE STATION 822 Comment
  UCD45088  Quercus agrifolia var. agrifolia Antonio F. Machado; Lisa Seemann 1993-3-5 21 a Los Angeles Santa Susana Mtns., Stony Point at the jcn. of Santa Susana Pass and Topanga Cyn. Hwy. 400 m elev. 400 Comment
  UCR189938  Quercus berberidifolia T. B. Salvato, Sandra Murcia 2007-10-18 3092 Los Angeles Western Transverse Range; Santa Monica Mtns., near Stunt's Ranch, north of Cold Creek and east of Mulholland Hwy 335 Comment
  UCSB69280  Quercus berberidifolia Gross, LeRoy 2000-11-12 Los Angeles Verdugo Mtns.: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir 411 Comment
  CAS-BOT-BC62527  Quercus chrysolepis Marcus E. Jones 1931-10-10 q 28586 Los Angeles San Antonio Canon Comment
  CHSC5103  Quercus chrysolepis M. MacArthur 1967-7-16 88 Los Angeles Charlton Flat ca. 1 mi from Angeles Crest Hwy., below parking area #12, Angeles National Forest, San Gabriel Mts. 1524 Comment
  RSA573414  Quercus chrysolepis Louis C. Wheeler 1931-11-8 339 Los Angeles San Antonio Canyon 945 Comment
  SEINET12034289  Quercus chrysolepis H. W. Graham 1927-1 9- 9 -43 Los Angeles road from Mt Lowe Tavern, Mt Lowe, to observatory on Mt. Wilson,near Los Angeles Comment
  RSA476766  Quercus durata var. gabrielensis L. E. Hoffman 1929-6-23 s.n. Los Angeles head of Pacoima Canyon wash Comment
  RSA573425  Quercus durata var. gabrielensis Louis C. Wheeler 1931-11-13 356 Los Angeles Mouth of Liveoak Canyon 409 Comment
  RSA87172  Quercus durata var. gabrielensis Louis C. Wheeler 1936-1-12 4069 Los Angeles Foothills 1/2 mi. E of Palmer Canyon, San Gabriel Mts. 610 Comment
  SBBG121233  Quercus durata var. gabrielensis V. Soza with L. Moore 2000-5-10 852 Los Angeles Verdugo Crestline Drive, N of La Tuna Cyn and S of Pasko Park 563 Comment
  UCR178216  Quercus durata var. gabrielensis LeRoy Gross 2000-11-12 327 Los Angeles Verdugo Mountains, Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir 412 Comment
  RSA19029  Quercus durata var. gabrielensis E. S. Spalding 1921-3-28 s.n. Los Angeles San Dimas Canyon. 366 Comment
  RSA285659  Quercus engelmannii Lyman Benson 1951-10-15 14806 Los Angeles 1400 Rancho Road, Arcadia. Santa Anita Oaks. 244 Comment
  RSA600165  Quercus garryana var. breweri Steve Boyd, Lauren Raz 1997-5-1 9657 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  POM270727  Quercus john-tuckeri Lyman Benson 1946-11-21 12238 Los Angeles 5 miles east of Big Pine 1311 Comment
  RSA522439  Quercus john-tuckeri Tim S. Ross 1990-7-10 4012 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District, Angeles National Forest. Comment
  RSA587157  Quercus john-tuckeri Orlando Mistretta 1995-4-28 1652 Los Angeles Kitter Canyon; Slopes W of main canyon. 1280 Comment
  UCSB60799  Quercus john-tuckeri Muller, Cornelius 1945-3-20 Los Angeles 3 1/2 mi. S of Gorman Comment
  CAS-BOT-BC105253  Quercus kelloggii Timothy S. Ross; Steve Boyd 1994-6-23 8050 Los Angeles Liebre Mountains.Sawmill Mountain: 5514- ft summit and immediately adjacent slopes. Burnt Peak 7.5' USGS Quadrangle 1680 Comment
  UC205512  Quercus kelloggii I. M. Johnston 1917-8-24 1714 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 1981 Comment
  UCR124700  Quercus kelloggii B. C. Templeton 1932-5-31 4843 Los Angeles San Gabriel Mtns., between Big Pines Park and Jackson Lake, Angeles National Forest 2000 Comment
  RSA157794  Quercus tomentella Peter H. Raven 1962-5-10 17726 Los Angeles Head of Horse Canyon, the large canyon west of Thirst, San Clemente Island 488 Comment
  RSA477294  Quercus tomentella F. R. Fosberg 1931-7-16 S 5607 Los Angeles Gallagher's Canyon. Santa Catalina Island. 100 Comment
  RSA87150  Quercus tomentella F. W. Peirson 1923-4-9 3456 Los Angeles San Clemente Island: Middle Ranch Comment
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Jun 5 2014
  SDSU6989  Quercus tomentella R. M. Beauchamp 1967-1-29 163 Los Angeles Growing in canyon west of Thirst. San Clemente Island. Comment
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May 16 2008
  CAS-BOT-BC104865  Quercus wislizeni W. R. Dudley 1899-7-22 s.n. Los Angeles Mount Lowe. San Gabriel Mts. Comment
  UCSB31742  Quercus wislizeni var. frutescens Miller, Brian; Gause, Gerry 1964-9-6 Los Angeles Crystal Lake, San Gahriel Mountain range 1584 Comment
  LA200258  Rafinesquia californica Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  CDA8525  Rafinesquia californica T. C. Fuller, T. Suzuki 1958-5-9 s.n. Los Angeles Highland Drive & Flintridge, near La Canada. 0 Comment
  UCR91301  Raphanus sativus B. G. Pitzer, Paul Gomez 1996-4-28 2739 Los Angeles Los Angeles Basin, Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue Comment
  RSA651173  Raphanus sativus Eleanor McClung 1937-3-14 4 Los Angeles Playa del Rey. Comment
  UCR241295  Rapistrum rugosum Chet McGaugh 2011-8-30 s.n. Los Angeles South Coast, Hesse Park, City of Rancho Palos Verdes, 29301 Hawthorne Blvd. at Locklenna Lane 274 Comment
  UCR277076  Rhamnus californica R. G. Swinney 2011-6-7 15093 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
  RSA390182  Rhamnus californica subsp. californica G. R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  RSA660631  Rhamnus californica subsp. californica Matt Bogdanoff 1981-5-24 9 Los Angeles Big Dalton Cyn. Rd., 0.7 mi E of junction with Glendora Mtn. Rd., N of Glendora. 396 Comment
  UC1121825  Rhamnus crocea A. D. Gifford 1934-5-3 193 Los Angeles 3.5 mi nw Newberry Park; Trifuno Pass Quad. 91 Comment
  CAS-BOT-BC56016  Rhamnus ilicifolia Carl B. Wolf 1928-5-11 2179 Los Angeles On Newhall Grade, just above the place where the Los Angeles aqueduct crosses highway Comment
  UC1018419  Rhamnus ilicifolia Paul Gripp 1954-6-14 Los Angeles Malibu Picnic Park, on way to YMCA Camp Comment
  CAS-BOT-BC168138  Rhus aromatica W. R. Dudley; F. H. Lamb 1896-6-9 4412 Los Angeles Elizabeth Lake [Canon] Canyon, Liebre Mountains Comment
  LA82200  Rhus aromatica O. H. Kappler; 1941-4-14 205 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido, N slope 182 Comment
  RSA233644  Rhus integrifolia R. F. Thorne 1970-3-5 39379 Los Angeles Santa Catalina Island. Upper Avalon Canyon. 61 Comment
  RSA526615  Rhus integrifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4203 Los Angeles San Clemente Island: Upper reaches of China Canyon, S end of island, W side. Comment
  UC17930  Rhus integrifolia Blanche Trask Jan. 1896 Los Angeles Santa Catalina Island, Avalon Comment
  CHSC3674  Rhus ovata Mary MacArthur 1966-5-26 35 Los Angeles Switzer's camp- Saw Gab Mts. Comment
  RSA670156  Rhus ovata Joseph M. Keefe 2001-3-19 31161 -a Los Angeles San Rafael Mountains: Ravine 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 91208. 466 Comment
  UC1595298  Rhus ovata Tim Ross 1991-3-10 4224 Los Angeles Bernard Field Station, E side of RSA, some meters N of Phake Lake, marked as 'Pit' on topo map Claremont 391 Comment
  UC1871184  Rhus ovata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4946 Los Angeles Transverse Ranges; Liebre Mountains region; Castaic Creek: confluence of Fish Canyon and general vicinity. T6N R17W SE 1/4 section 16, and N 1/2 NE 1/4 section 22; elevation 1615'-1880' (riparian area and lower adjacent slopes). Comment
  UCD116928  Rhus ovata R. Armacost 1961-3-13 s.n. Los Angeles Santa Monica City College Botanical Garden. Santa Monica. Comment
  UCR271546  Rhus ovata R. G. Swinney 2011-11-3 15994 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre 549 Comment
  CDA35352  Rhus ovata T. C. Fuller 1965-4-26 13373 Los Angeles East slope of Saddle Peak, Tuna Canyon Road above Fernwood Pacific Drive, 2.7 miles west of Topanga. 0 Comment
  SEINET6059132  Rhus trilobata Unknown 1996-5-16 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  RSA85522  Ribes amarum F. W. Peirson 1928-2-19 7686 Los Angeles Arroyo Seco 610 Comment
  SFV15489  Ribes aureum E. J. Spencer 1992-2-19 3 Los Angeles Bear Canyon, east of Sand Canyon Road at milepost 7.64. 732 Comment
  CAS-BOT-BC92433  Ribes aureum var. gracillimum Ellsworth Bethel 1920-2-10 s.n. Los Angeles Monrovia. Comment
  RSA598107  Ribes aureum var. gracillimum Steve Boyd, Lauren Raz 1997-3-4 9154 Los Angeles Liebre Mountains region, Mint Canyon, just southwest of Sleepy Valley, south of Rowher Canyon along Sierra Highway. 671 Comment
  UC1182098  Ribes aureum var. gracillimum S. N. Wyckoff and H. R. Offord 1931-2-14 47 Los Angeles Arcadia Comment
  CAS-BOT-BC92456  Ribes aureum var. gracillimum H. E. McMinn 1924-8-4 1224 Los Angeles Huntington Drive near Pasadena. Comment
  UCR270088  Ribes californicum R. G. Swinney 2011-4-9 14362 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
  CAS-BOT-BC93069  Ribes californicum var. hesperium C. L. Hitchcock 1932-2-3 s.n. Los Angeles San Gabriel Mountains. Evey Canyon. North of Claremont. 518 Comment
  CLARK-A1528-4119  Ribes californicum var. hesperium John C. Roos 1942-3-21 Los Angeles San Gabriel Mountains Comment
  RSA233509  Ribes californicum var. hesperium Robert F. Thorne 1972-1-30 42175 Los Angeles San Gabriel Mts: Johnson s Pastures N of Claremont. 549 Comment
  UC168763  Ribes californicum var. hesperium Geo. B. Grant 1906-2-21 1122 a6593 Los Angeles Santa Anita Canyon Comment
  LA211278  Ribes californicum var. hesperium Arthur C. Gibson; 2004-1-9 5000 Los Angeles SANTA MONICA MOUNTAINS, along nature trail in Wilderness Area near base of north side trail to Bone Mountain. Comment
  POM9646  Ribes californicum var. hesperium P. A. Munz, R. D. Harwood 1920-5-15 4001 Los Angeles Sepulveda Canyon, Santa Monica Mts. 213 Comment
  POM214293  Ribes divaricatum var. parishii Louis C. Wheeler 1934-3-18 2452 Los Angeles San Gabriel River. 73 Comment
  RSA0025040  Ribes indecorum A. C. Sanders 2003-3-14 25784 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 freeway east of the San Gabriel River channel. 159 Comment
  SEINET6070601  Ribes indecorum Unknown 1946-12-14 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CAS-BOT-BC173415  Ribes malvaceum Louis C. Wheeler 1932-3-19 524 Los Angeles Head of Sepulveda Canyon, Santa Monica Mts. 426 Comment
  SD215555  Ribes malvaceum var. malvaceum Tim Ross, Peter Fritsch 1990-6-20 3646 Los Angeles Rincon Red Box Road (1N24) 2.6 miles below Pine Mountain junction; 80 degrees ENE, ca. 1720 meters distant from Pine Mountain (4539'). 1032 Comment
  RSA450229  Ribes malvaceum var. viridifolium J. C. Roos 1966-2-11 s.n. Los Angeles Claremont. Comment
  RSA476204  Ribes nevadense Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak Comment
  UCR210139  Ribes nevadense R. G. Swinney 2008-8-13 9388 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  UC1127535  Ribes roezlii A. D. Gifford 1935-3-26 511 Los Angeles 2 3/4 mi w Sawmill Pk. (Atmore Mdw.); Angeles National Forest, Tejon Quadrangle Comment
  POM7055  Ribes speciosum P. A. Munz, G. Williams, L. T. Street 1919-4-5 2414 Los Angeles Puddingstone Canyon. San Dimas. 259 Comment
  RSA545258  Ribes viburnifolium D. Propst, Hoefs 1973-3-3 11 Los Angeles Santa Catalina Island: East Side of Mt. Black Jack 305 Comment
  RSA652395  Ricinus communis T. E. Hesketh 1948-2-7 s.n. Los Angeles Griffith Park, Los Angeles. Comment
  RSA0077548  Ricinus communis G. Wallace 1964-5-6 s.n. Los Angeles San Gabriel River by Hwy. 66. Comment
  RSA681152  Ricinus communis LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1030 Los Angeles South side of mountains:Along road across from Brand Canyon Debris Basin, at mouth of Brand Canyon. 262 Comment
  RSA598852  Rigiopappus leptocladus Steve Boyd, Timothy S. Ross 1997-3-21 9226 Los Angeles Liebre Mountains, Portal Ridge, head of Broad Canyon, east of VABM King and 0.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, near an abandoned road alignment leading down ridgeline dividing Bleich Canyon and Broad Canyon. 1310 Comment
  POM294402  Rosa woodsii subsp. gratissima Lyman D. Benson 1949-11-7 14279 -A Los Angeles 10 miles northwest of Big Pine. San Gabriel Mountains. Mojave Desert Drainage Area. 1753 Comment
  UC1606970  Rosa woodsii subsp. gratissima Scott Zona, D. Arias, O. Dorado, M. Hanson, and J. -L. Villasenor Jun 21 1989-Jun 28 1989 321 Los Angeles w Wrightwood; N slopes of San Gabriel Mts., Mountain High Ski Resort 2017 Comment
  JEPS79971  Rosa woodsii var. ultramontana Frank W. Peirson 1919-6-14 470 Los Angeles Big Rock Creek Canyon; San Gabriel Mts. 1676 Comment
  RSA679200  Rosmarinus officinalis Michael Denslow, LeRoy Gross 2003-5-12 1142 Los Angeles Along Rincon Red Box Road (2N24.1) near intersection with Valley Forge Canyon. 1250 Comment
  POM310391  Rubus ursinus Margaret Hardinge 1946-3-11 141 Los Angeles Big Dalton Canyon. 457 Comment
  SBBG112817  Rumex conglomeratus S. A. Junak with K. Kirkland 1998-7-17 SCa 779 Los Angeles lower portion of Silver Cyn, ca. 0.4 air mi inland from beach 36 Comment
  UCR191160  Rumex crispus R. G. Swinney 1999-7-5 7511 Los Angeles San Gabriel Mtns., head of Cedar Canyon, stream bottom NW of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2 2012 Comment
  UCR270666  Rumex salicifolius R. G. Swinney 2011-6-29 15357 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  SDSU9725  Rumex salicifolius R. M. Beauchamp 1967-6-2 540 Los Angeles Growing in are half way between Eel Point and the sand dunes on east side of dirt road. Elev. 100'. San Clemente Island. 30 Comment
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May 16 2008
  UC284187  Rumex salicifolius var. salicifolius P. A. Munz 1923-4-9 6679 Los Angeles about 3 mi se Casa Blanca; San Clemente Island Comment
  RSA653882  Sagina apetala Valerie L. Soza, Steve Boyd 2000-4-26 796 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  RSA713250  Salazaria mexicana LeRoy Gross 2005-5-3 2222 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
  UC135935  Salicornia subterminalis LeRoy Abrams 1902-6-19 2565 Los Angeles near Mesmer; Ballona Comment
  CAS-BOT-BC103173  Salix bonplandiana Carl W. Sharsmith 1932-1-17 11 Los Angeles at bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  CAS-BOT-BC103745  Salix exigua G. L. Moxley 1922-6-12 56 -1273 Los Angeles San Francisquito [Canon] Canyon Comment
  UCR234151  Salix exigua Dick Newell 2012-3-29 237 Los Angeles South Coastal Plain, East Long Beach wetlands, 100 yards west of Studebaker Rd. at Pacific Coast Highway 3 Comment
  UC506470  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1933-3-15 7637 Los Angeles 4 hectometers e of Radford Dr. Los Angeles River; San Fernando Valley, Los Angeles River Comment
  LA208751  Salix laevigata Carl Hedin; Joseph Ewan 1932-5-10 7654 Los Angeles Verdugo Canyon, Fernbrook Pl, (Area 3) Comment
  RSA578825  Salix laevigata Tim S. Ross, Darin Banks 1994-4-13 7520 Los Angeles San Francisquito Canyon: riparian strip and adjacent lower slopes ca 430 m SW of San Francisquito Powerhouse No. 2 465 Comment
  SEINET3158573  Salix laevigata G. B. Grant 1155 Los Angeles Pasadena, S California Comment
  UC482205  Salix laevigata Mrs. H. P. Bracelin and F. R. Fosberg 1931-10-11 568 Los Angeles 2.5 km. w Ocean Beach; Santa Monica Mts., Lower Topanga Canyon 15 Comment
  UCR48977  Salix laevigata A. C. Sanders 1987-9-18 7356 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  SD1036  Salix lasiandra var. lasiandra Carl W. Sharsmith 1932-1-17 8 Los Angeles at bottom of Lower San Gabriel Canyon, about 9.5 km above Azusa 299 Comment
  RSA762454  Salix lasiolepis R. G. Swinney 2009-2-20 10013 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39. 305 Comment
  UCR204556  Salix lasiolepis R. G. Swinney 2005-8-5 8373 Los Angeles San Gabriel Mtns, Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1566 Comment
  UCR210739  Salix lasiolepis R. G. Swinney 2009-1-19 9995 Los Angeles San Gabriel Mtns., Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  RSA0034686  Salix lasiolepis Carl W. Sharsmith 1932-2-14 10 Los Angeles Lower San Gabriel Canyon, about 9.5 km. above Azusa. 300 Comment
  SEINET12003299  Salix lasiolepis C. W. Sharsmith 1931-1 3 Los Angeles Santa Monica Mts. near mouth of Topanga Canyon 15 Comment
  UC506410  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-6-29 7672 Los Angeles Area 4; Tree 8 Comment
  CAS-BOT-BC107530  Salix lasiolepis var. lasiolepis S. Y. Parnay Mar. 240 Los Angeles Little [Tejunga Canon] Tujunga Canyon Comment
  CAS-BOT-BC107559  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1931-11-15 3 Los Angeles Santa Monica Mountains, near mouth of Topanga Canyon 15 Comment
  LA31627  Salsola tragus Peter H. Raven; Henry J. Thompson 1959-6-4 14335 Los Angeles Santa Monica Mountains, Pt. Dume, behind the point 45 Comment
  RSA618765  Saltugilia australis L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravennna. 716 Comment
  SBBG64374  Saltugilia splendens subsp. grantii E. Crow 1930-6-29 Los Angeles trail near Crystal Lake Comment
  UCR193670  Saltugilia splendens subsp. grantii R. G. Swinney 1999-6-28 7422 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR271256  Saltugilia splendens subsp. splendens R. G. Swinney 2011-5-12 14698 Los Angeles San Gabriel Mountains, Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek 1183 Comment
  JEPS62525  Salvia apiana F. W. Peirson 1924-6-16 Los Angeles Pasadena Comment
  POM243683  Salvia apiana F. R. Fosberg 1931-5-6 S- 4805 Los Angeles Cape Canyon, Santa Catalina Island. 250 Comment
  RSA145218  Salvia apiana Alice Ann Webb, R. Heald 1961-3-21 789 Los Angeles Johnson's Pasture, Claremont. San Gabriel Mt. Range, San Gabriel drainage area. 457 Comment
  RSA411293  Salvia apiana Ruth E. Eaton 1956-7-15 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA424343  Salvia apiana William Emboden 1970-6-12 41 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  UC144536  Salvia apiana C. F. Baker 1903-4-1 4155 Los Angeles Claremont Comment
  RSA294796  Salvia apiana Lyman Benson 1946-5-13 12089 Los Angeles Midway between Pomona and Brea. Puente Hills. 274 Comment
  PASA470  Salvia carnosa 4/28 Los Angeles near Palmdale Comment
  LA202606  Salvia columbariae Virginia Mars; 1951-5-12 Los Angeles Santa Monica Mountains, Mulholland Drive Comment
  RSA0039128  Salvia columbariae R. G. Swinney 2010-5-29 13396 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0086831  Salvia columbariae R. G. Swinney 2011-6-14 15157 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
  RSA14198  Salvia columbariae Carl B. Wolf 1926-3-22 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  RSA658842  Salvia columbariae var. columbariae J. S. Burns 1992-5-11 11 Los Angeles 1.5 miles west on Rincon fireroad from east access; Angeles National Forest 762 Comment
  RSA658221  Salvia columbariae var. columbariae J. Doughty 1985-5-11 135 Los Angeles Angeles National Forest: Graveyard Canyon junction of San Gabriel Road and the entrance to Follows Camp. Comment
  UC483477  Salvia dorrii var. pilosa A. D. E. Elmer Jun 1902 3696 Los Angeles Vincent Comment
  RSA434095  Salvia leucophylla Percy C. Everett 1941-07 s.n. Los Angeles Tehachapi Mountains. 500-1500 mountains. 152 Comment
  UCR91500  Salvia leucophylla Scott D. White 1995-3-15 2580 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  LA82011  Salvia mellifera H. Anderson; Carl Epling 1930-5-30 Los Angeles Santa Monica Mountains, Mandeville Canyon Comment
  POM62659  Salvia mellifera L. R. Abrams 1901-4-7 s.n. Los Angeles Verdugo Hills Comment
  UCLA70028  Salvia mellifera Joseph Andorfer Ewan 1932-5-10 7452 Los Angeles Verdugo Canyon Storm Channel; Verdugo Canyon Comment
  JEPS62738  Salvia mellifera W. L. Jepson 1920-5-3 8928 a Los Angeles mts n Castaic Valley 975 Comment
  RSA477540  Sambucus mexicana M. B. Dunkle 1928-5-28 1984 Los Angeles Santa Catalina Island, Avalon Canyon. Comment
  RSA477542  Sambucus mexicana House, Grumbles 1930-8-13 s.n. Los Angeles San Clemente Island. Comment
  RSA477574  Sambucus mexicana Frances L. Cramer 1934-5-31 s.n. Los Angeles Elysian Park, Los Angeles. Comment
  UC1871232  Sambucus mexicana T. S. Ross, Walter Appleby 1993-5-20 7211 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mts: vicinity of Los Pinetos Spring; 60 m NE of the spring R15W T3N, NW/4 NW/4 SW/4 sect. 10 890 Comment
  CAS-BOT-BC238713  Sambucus nigra subsp. caerulea Rimo Bacigalupi 1953-5-2 4049 Los Angeles Northern limits of Oak Flat Public Camp, Angeles National Forest, just off U.S. 99 853 Comment
  CAS-BOT-BC238727  Sambucus nigra subsp. caerulea Peter H. Raven 1959-5-3 14065 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Along Mulholland Drive 0.5 miles east of Beverly Glen Boulevard 381 Comment
  CATA48  Sanicula arguta Mark L. Hoefs, A. Douglas Propst 1973-3-3 28 Los Angeles Santa Catalina Island: Upper Cottonwood Canyon, west of Mt. Black Jack, west exposure 365 Comment
  RSA470988  Sanicula arguta M. B. Dunkle 1939-4-3 7236 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA470994  Sanicula arguta Ella M. Kennedy 1923-02 s.n. Los Angeles South Pasadena, Hillside Comment
  SD252269  Sanicula crassicaulis Steven A. Junak 1999-5-21 Sca 987 Los Angeles Santa Catalina Island: W side of Coffee Pot Canyon, just upstream from road crossing, adjacent to creekbed; 410 Comment
  RSA0105021  Sarcodes sanguinea R. G. Swinney 2011-6-22 15273 Los Angeles San Gabriel Mountains: Charlton Flat Picnic Area, along East Fork Alder Creek, 0.2 miles west of Angeles Crest Hwy. 1598 Comment
  UCR143417  Satureja douglasii F. R. Fosberg 1931-4-28 S- 4702 Los Angeles Channel Islands, Santa Catalina Island, Eagle's Nest, Middle Ranch Canyon 180 Comment
  RSA221574  Saxifraga californica Arthur C. Gibson, Linda Gibson 1971-3-27 1739 Los Angeles Evey Canyon, NE of Claremont. Comment
  LA104159  Scandix pecten-veneris T. Thomas; April 1983 569 Los Angeles Santa Monica Mountains, Malibu Creek State Park, NW of parking lot and E of creek Comment
  RSA503444  Schismus arabicus L. C. Wheeler 1967-5-12 9425 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA589503  Schismus arabicus Timothy S. Ross, Mark Elvin 1995-5-19 8577 Los Angeles San Clemente Island. Wilson cove settlement, on SE side of Galley (Bldg 60103). 49 Comment
  SBBG113080  Schismus arabicus S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-5-2 SCa 629 Los Angeles rd to East Pk, just SW of Pk 1245, ca. 0.85 air mi NW of East Pk 347 Comment
  SBBG31053  Schismus arabicus R. F. Thorne with P. C. Everett 1965-5-10 34455 Los Angeles around Echo Lake 411 Comment
  UCD92928  Schismus arabicus Robert F. Thorne 1966-6-2 36525 Los Angeles Santa Catalina Island.Between Moonstone and White Coves. 30 Comment
  POM156198  Schoenoplectus americanus Le Roy Abrams 1902-6-12 2537 Los Angeles Ballona Creek, near Mesmer. Comment
  RSA365978  Scirpus acutus var. occidentalis B. C. Templeton 1934-10-13 4804 Los Angeles Los Angeles River Comment
  UCR74310  Scirpus americanus Scott D. White 1992-10-8 918 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  UC887497  Scrophularia californica Ira W. Clokey, B. Templeton July 1929 4573 Los Angeles Mandeville Canyon; Santa Monica Mts 300 Comment
  UCD124828  Scrophularia californica P. B. Kennedy 1928-3-28 s.n. Los Angeles above golf-links, Avalon; Santa Catalina Island, California. Comment
  RSA652090  Scrophularia californica subsp. floribunda D. Bartholomew 1961-5-20 s.n. Los Angeles Mt. Baldy Road, 2 miles south of the picnic area. Comment
  UCR255765  Scutellaria mexicana R. G. Swinney 2010-5-12 12709 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  RSA445335B  Scutellaria siphocampyloides Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  CAS-BOT-BC61967  Selaginella Geo. B. Grant 1904-2-14 6124 Los Angeles Castle Canyon, Mt. Lowe Comment
  RSA233461  Selaginella asprella Robert F. Thorne, M. Z. Thorne 1968-11-9 37868 Los Angeles San Gabriel Mts., Angeles National Forest: at base of rocks, S slope of Mt. Williamson at S end of summit ridge 2438 Comment
  CAS-BOT-BC363458  Senecio californicus F. H. Billings 1923-3-1 s.n. Los Angeles Santa Ana Wash Comment
  CAS-BOT-BC365650  Senecio flaccidus var. monoensis Timothy S. Ross; Steve Boyd 1994-9-20 8253 Los Angeles Liebre Mountains. Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road 993 Comment
  UCR62103  Senecio mikanioides R. G. Swinney 1989-12-27 1500 ` Los Angeles San Gabriel Mtns., San Gabriel Mtns, Glendora Wilderness Park, north side of Big Dalton Canyon Road, 0.7 mi. east of Glendora Mountain Road. 366 Comment
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Mar 7 2013
  UCR271723  Senecio vulgaris R. G. Swinney 2011-3-26 14207 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
  CHSC26076  Sequoia sempervirens M. Chase 1967-3-18 6 Los Angeles Corner of Ave. 43 and Frontenac Mt. Washington. 259 Comment
  RSA741028  Setaria parviflora Justin M. Wood 2009-1-3 282 Los Angeles City of Monrovia, residential property on El Nido Ave. 171 Comment
  CAS-BOT-BC243623  Setaria pumila Peter H. Raven 1956-6-17 9407 Los Angeles Westwood, Los Angeles Comment
  UCR180383  Sidalcea malviflora Scott D. White, Andrea Warniment 2006-7-6 11603 Los Angeles SE Tehachapi Mtns, Gorman area, sag ponds and adjacent slopes just N of Gorman Post Road 1143 Comment
  SBBG62398  Sidotheca trilobata R. Hoffmann 1931-5-3 Los Angeles San Francisquito Cyn Comment
  IRVC28440  Silene antirrhina A. C. Sanders, Helen Kennedy 2005-4-13 29420 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon Western San Gabriel / Liebre Mtns. Region 457 Comment
  RSA526149  Silene gallica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-6 4143 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  SFV21408  Silene laciniata subsp. laciniata L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1047 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
  RSA134727  Silene laciniata subsp. major E. K. Balls, Percy C. Everett 1959-6-29 23866 Los Angeles Stokes Canyon. 152 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
  SD230202  Silene lemmonii Louis C. Wheeler 1968-5-24 Los Angeles San Gabriel Mountains: Northwest side Smith Mountain, along Bear Creek Trail 1280 Comment
  RSA729653  Silene verecunda subsp. platyota R. G. Swinney 1998-7-6 6281 Los Angeles San Gabriel Mtns.: Mescal Canyon, 0.8 mile north of junction of Hwy 2 and Mescal Canyon Rod. 1732 Comment
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Jan 26 2014
  SD111580  Silene verecunda subsp. platyota Wayne P. Armstrong 1982-7-24 Los Angeles Near summit of Pine Mountain; San Gabriel Mountains. 2740 Comment
  RSA94828  Silybum marianum F. W. Peirson 2134 Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  RSA679202  Sisymbrium erysimoides Michael Denslow, S. D. Boyd 2003-5-7 1089 Los Angeles North of Azusa at end Glendora Ridge Motorway (1N26) in small unnamed cayon just above small Avocado orchard. 274 Comment
  SFV9177  Sisymbrium irio J. Turner, F. M. Ball 1963-4-3 s. n. Los Angeles San Gabriel Valley La Verne. Open lot on Highway 66 near Pomona city limit. 350 Comment
  RSA652695  Sisymbrium irio Phillip Robinson 354 Los Angeles Sycamore Canyon 0.25 miles south of intersection of Beverly Blvd & Workman Mill Road. 0.5 miles east of Workman Mill Rd on trail into canyon. [City of Industry, sw of Rio Hondo College, east of 605 Fwy] Comment
  RSA0081298  Sisymbrium officinale R. G. Swinney 2010-4-30 12477 Los Angeles Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon. 482 Comment
  RSA191147  Sisymbrium officinale R. F. Thorne, M. Z. Thorne 1967-6-25 37113 Los Angeles Evey Canyon 716 Comment
  CATA1303  Sisymbrium officinale Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2394 Los Angeles Santa Catalina Island: River bed just below upper Cape Canyon Reservoir 304 Comment
  UCR197091  Sisymbrium orientale LeRoy Gross 2007-5-2 2667 Los Angeles Transverse Range; Verdugo Mountains, southern part of the range, Stough canyon just below the nature center 427 Comment
  UCR191273  Sisyrinchium R. G. Swinney 1999-7-28 7573 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, c. 400 m north of Allison Gulch 732 Comment
  POM1767  Sisyrinchium bellum I. M. Johnston 1917-5-13 1022 Los Angeles El Monte. 84 Comment
  POM293480  Sisyrinchium bellum Lyman Benson 1945-5-11 11681 Los Angeles Indian Hill, Claremont. Pacific Slope Drainage Area. 396 Comment
  UCR277007  Sisyrinchium idahoense R. G. Swinney 2010-9-30 13907 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
  UC501591  Smilacina stellata Frank W. Peirson 1921-7-17 2349 Los Angeles Prairie fork of San Gabriel River; cienega on s side 2133 Comment
  SBBG131982  Solanum americanum S. A. Junak 1990-11-9 SCI 141 Los Angeles Wilson Cove Comment
  RSA422381  Solanum douglasii Freda Detmers 1929-4-13 s.n. Los Angeles Santa Catalina Island. Comment
  RSA422437  Solanum douglasii E. Crow 1928-10-21 3 Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  SBBG84196  Solanum douglasii M. C. Hochberg 1981-7-30 Los Angeles Lemon Tank area Comment
  RSA422431  Solanum douglasii F. R. Fosberg 1930-6-23 S- 2987 Los Angeles Del Rey. 2 Comment
  RSA654560  Solanum douglasii Benjamen Rangel 1992-4-10 777 -06 Los Angeles Behind La Cienega (Housing Office), close to a light power source and by a sprinkler outlet. [Cal Poly Pomona ?] Comment
  CAS-BOT-BC157413  Solanum umbelliferum Y. W. Winblad 1937-4-26 s.n. Los Angeles Ridge Route Comment
  POM305761  Solanum umbelliferum Henry J. Ramsey, Henry J. Ramsey 1937-3-26 963 Los Angeles Little Tujunga Canyon, Angeles National Forest. Comment
  RSA725249  Solanum umbelliferum K. Dobry 1991-4-4 408 Los Angeles Elsmere Cyn. West San Gabriel Mts. Comment
  CAS-BOT-BC156794  Solanum umbelliferum E. C. Twisselmann 1955-6-23 2210 Los Angeles Castaic Valley, 1/2 mile north of Holland Summit 1219 Comment
  LA105089  Solanum xanti Barry A. Prigge; 1988-7-3 8234 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, Calabasas, ca 0.5 mi. E of N-junction of Mulholland Hwy and Old Topanga Rd. on Mulholland Hwy and 0.2 mi S of highway, S of flood control basin. 335 Comment
  SEINET5624719  Solanum xanti var. intermedium I. W. Clokey, E. G. Anderson 1935-5-9 6878 Los Angeles San Dimas Canyon Comment
  RSA0021712  Sonchus asper Duncan S. Bell, Caitlin Elam 2013-6-24 5262 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, below Airplane Flat, behind the Bridge To Nowhere. 870 Comment
  RSA0081057  Sonchus asper R. G. Swinney 2010-5-12 12722 Los Angeles Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone. 921 Comment
  RSA0110535  Sonchus asper R. G. Swinney 2010-6-1 13135 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA637502  Sonchus oleraceus Valerie L. Soza, LeRoy Gross 1999-5-10 451 Los Angeles San Gabriel Mountains: Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. 378 Comment
  RSA657026  Sonchus oleraceus Joseph M. Keefe 2001-1-19 30903 Los Angeles on north side of Upperton Avenue (north across street from 1871 Upperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, California 90042. 262 Comment
  POM6212  Sonchus oleraceus Crawford, Otis Hiatt 1916-3-29 s.n. Los Angeles Santa Monica Mountains Comment
  UCR199981  Spartium junceum Valerie Soza, L. Lubinsky 2001-5-16 1231 Los Angeles Transverse Ranges; Verdugo Mountains, Southeastern edge of Verdugo Mountains, Las Flores Motorway, above Dead Horse Canyon 473 Comment
  UCR95307  Spartium junceum Steve Boyd, M. Wall 1996-5-16 8776 Los Angeles Liebre Mtns., confluence of Ruby Canyon and Elizabeth Lake Canyon at northwest end of Red Mountain 585 Comment
  RSA356034  Spergularia bocconi R. F. Thorne 1975-9-4 47393 Los Angeles Santa Catalina Island: Fisherman s Cove; campus of USC Marine Science Center. Comment
  CAS-BOT-BC390136  Spergularia bocconi Robert F. Thorne 1973-4-11 42799 a Los Angeles San Clemente Island: plateau in Middle Ranch area at head of Middle Ranch Canyon 426 Comment
  RSA591802  Spergularia bocconi P. H. Raven 1962-4-11 17256 Los Angeles Due west of Wall 2; San Clemente Island. 6 Comment
  SFV16351  Spergularia macrotheca P. M. Schiffman, R. van de Hoek 1996-7-29 s. n. Los Angeles California Channel Islands Santa Catalina Island. Bird Rock near Isthmus Harbor. Bird guano covered rock just off shore. Bird Rock #6. 1 Comment
  UC1587705  Spergularia macrotheca var. macrotheca Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5101 Los Angeles North Head San Clemente Island (coastal flats wnw of new landing field) 15 Comment
  RSA65570  Spergularia rubra F. W. Peirson 1920-5-11 2132 Los Angeles Summit of Echo Mountain. 976 Comment
  RSA0097291  Spergularia salina var. salina L. C. Wheeler 1970-6-9 s.n. Los Angeles San Pedro: South of 200 E. Signal Street. Comment