Search Results — 2000 specimen records retrieved (1604 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
  CHSC35794  Abies concolor N. Cole 1967-5-27 88 Los Angeles Buckhorn Camp, San Gabriel Mountains. 2160 Comment
  RSA229848  Abronia pogonantha Ruth Wilson 1968-4-14 1087 Los Angeles near buttes at 168th and P-8 Comment
  NY679463  Abronia umbellata H. E. Hasse 1888-4-18 4119 Los Angeles At Long Beach. Comment
  RSA0025873  Abronia umbellata Robert F. Thorne, P. Everett 1965-6-23 34934 Los Angeles Santa Catalina Island: Ben Weston Beach, W side of island. Comment
  RSA248012  Abronia villosa Robert F. Thorne, Gary D. Wallace 1973-4-24 43449 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope. 915 Comment
  UCR149405  Acacia saligna A. C. Sanders, D. Malueg 2001-5-17 24348 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned 122 Comment
  RSA249796  Acamptopappus sphaerocephalus var. hirtellus R. F. Thorne 1973-5-11 43495 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  RSA0076537  Acanthomintha obovata subsp. cordata Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8558 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  SFV2162  Acer macrophyllum M. L. Vincent 1962-3-14 156 Los Angeles Santa Monica Mountains New Topanga Canyon Road, 2 miles from Highway 101. Streamside. Comment
  UCR25580  Achillea millefolium J. R. Seeba 1977-5-27 61 Los Angeles Fort Tejon along Hwy 5 948 Comment
  SEINET5712609  Achillea millefolium var. borealis Elizabeth M. Harris 1988-1 751 Los Angeles Cultivated plant at the Rancho Santa Ana Botanic Gardens in Claremont.; Rancho Santa Ana Botanic Garden Comment
  POM116126  Achnatherum coronatum Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  RSA730720  Achnatherum hymenoides R. G. Swinney 1997-6-13 5585 Los Angeles South of Pinon Hills, ridge NE of Table Mt. near LA Co. line. Ridge; pinyon-juniper woodland and chaparral. 1829 Comment
  SEINET13203272 Image available Achnatherum occidentale R. G. Swinney 2011-1 15488 Los Angeles San Gabriel Mountains: "Strawberry Potrero", uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property (Chilao Flat 7.5' Q.) 1426 Comment
  RSA562424  Achyrachaena mollis D. Bramlet 1993-4-15 2315 Los Angeles In the Puente Hills, approximately 274 m. NW of Pomona peak. The site is located some 1,220 m. west of the intersection of the Pomona freeway and Chino hills Parkway. 116 Comment
  SD215529  Acmispon americanus var. americanus Timothy S. Ross, Steve Boyd 1990-6-18 3495 Los Angeles Big Pines Highway; 900 m eastsoutheast from Jacison Lake, just on the west side of upper Mescal Creek drainage. 1876 Comment
  CAS-BOT-BC204761  Acmispon argophyllus var. argenteus Tim Ross 1992-4-14 6182 Los Angeles San Clemente Island: Eastern escarpment just below the mouth of Nanny Canyon where it opens onto a sloping terrace and flows northward 86 Comment
  UC1587220  Acmispon argophyllus var. argenteus Tim Ross 1991-5-20 5350 Los Angeles San Clemente Island. Un-Named knoll, S of Wilson Cove Settlement; westerly slope 2500 ft NW of the 750' BM. Comment
  OBI78041  Acmispon argophyllus var. argophyllus G. A. Gorelick, 1978-7-5 Los Angeles W shore of Crystal Lake 1676 Comment
  SD231309  Acmispon glaber var. brevialatus Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 100 Los Angeles Transverse Ranges; San Gabriel Mountains region: North side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  CHSC95491  Acmispon parviflorus LeRoy Gross; Naoimi Fraga 2002-5-16 542 Los Angeles Transverse Ranges; San Gabriel Mountains: (Angeles National Forest road survey of 2002) Van Tassel road a short distance southeast of White Saddle. 976 Comment
  SBBG68160  Acmispon procumbens var. procumbens R. Hoffmann 1929-5-22 Los Angeles hills above Elizabeth Lake Comment
  SD31202  Acmispon strigosus Edith A. Purer 1931-3-26 981 Los Angeles Palos Verdes Hills, in grassland on hillside Comment
  LA105116  Acourtia microcephala Barry A. Prigge; 1988-7-9 8268 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, Calabasas, 0.4 mi SE of N-jtn of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School. 377 Comment
  LA209732  Acourtia microcephala Carl Epling; N. Dunn 1931-5-30 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SD112016  Acourtia microcephala Betsy Carpenter, Linda Allen 1975-3-20 Los Angeles Avalon Canyon -Hour Trail, Santa Catalina Island. Comment
  SD69635  Adenostoma fasciculatum Robert F. Thorne, P. Everett 1965-5-10 34442 Los Angeles Santa Catalina Island. In chaparral on south slope of Black Jack Mt., a few hundred feet below summit. 487 Comment
  RSA0124091  Adenostoma fasciculatum Louis C. Wheeler 1967-7-15 10012 Los Angeles West end. Waterman Mt. 61 Comment
  LA52129  Adenostoma sparsifolium Harvey Anderson; August 1931 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  CAS-BOT-BC65560  Adiantum capillus-veneris Peter H. Raven 1957-9-21 11364 Los Angeles Topanga Canyon 2.3 miles above U.S. 101 alternate, Santa Monica Mts. Comment
  UCR137597  Adiantum capillus-veneris R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon. Lewis Paul Falls 518 Comment
  UCR190226  Adiantum capillus-veneris R. G. Swinney 1998-7-30 6599 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR190779  Adiantum capillus-veneris R. G. Swinney 1998-8-6 6693 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  CAS-BOT-BC65637  Adiantum jordanii Geo. B. Grant 1904-4-20 s.n. Los Angeles Catalina Island Comment
  LA94086  Adiantum jordanii Lawrence L. Kiefer; 1966-3-19 1744 Los Angeles SANTA MONICA MOUNTAINS, Trancas Canyon, ca 3 mi from mouth. 304 Comment
  RSA127901  Adiantum jordanii Peter H. Raven 1959-5-9 14173 Los Angeles Santa Monica Mountains: Mulholland Hwy. 1 mile W of Las Virgenes Rd. Malibu Creek drainage. 243 Comment
  SBBG97001  Adiantum jordanii S. Boyd with T. Ross, L. Arnseth 1990-4-8 4369 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  RSA317208  Agoseris retrorsa Michael C. Long 1974-4-21 s.n. Los Angeles Devil's Punchbowl Co. Park, Holcomb Canyon. 1311 Comment
  POM308948  Agoseris retrorsa Kay H. Beach 1942-5-28 625 Los Angeles San Dimas Experimental forest, U. S. Forest Dept. 500 feet above flume no. 3 Comment
  RSA747976  Agrostis R. G. Swinney 2001-8-27 8188 Los Angeles San Gabriel Mtns.: Windy Spring, 0.3 mi. NW of Little Jimmy Campground. 2256 Comment
  RSA594555  Agrostis exarata F. R. Fosberg, Joseph A. Ewan 1931-8-13 790 -B Los Angeles San Gabriel Mountains: Little Jimmy Spring, Windy Camp, north slope Mount Islip. 2300 Comment
  RSA579208  Agrostis pallens C. Michaels 1994-6-30 s.n. Los Angeles Tuna Canyon 0.8 miles from Pacific Coast Highway. Comment
  RSA601569  Agrostis pallens L. C. Wheeler 1967-6-15 9813 Los Angeles San Gabriel Mountains: South side Fremont Pass. Land Grant 549 Comment
  UCR209133  Agrostis viridis R. G. Swinney 2008-6-24 9083 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  CATA3561  Ailanthus altissima Benjamin J. Dion 2018-7-13 009 Los Angeles Santa Catalina Island: Channel side; found throughout landscaped property at 309 E Whittley Ave in Avalon 60 Comment
  RSA70211  Allium campanulatum F. W. Peirson 1922-7-5 3192 Los Angeles Mescal Creek. 2027 Comment
  LA200895  Allium haematochiton Jonathan Sauer; S. Modry 1969-6-4 4564 Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  SBBG57492  Allium lacunosum var. davisiae R. Hoffmann 1929-5-19 Los Angeles above Big Rock Crk Comment
  RSA72056  Allophyllum divaricatum Robert L. Dressler 1949-6-18 885 Los Angeles Johnstone Peak, San Gabriel Mts. 854 Comment
  CAS-BOT-BC170984  Alnus rhombifolia Annie J. McClatchie 1893-1-8 s.n. Los Angeles Santa Anita Canyon Comment
  RSA596197  Alnus rhombifolia Lauren Raz, Steve Boyd 1996-10-23 30 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. 609 Comment
  UCR182701  Alopecurus pratensis R. G. Swinney 1997-8-6 5767 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
  SEINET10481950  Alyssum alyssoides August J. Breitung 1953-6-7 Breitung 15407 Los Angeles Sierra liebre hills. 1 Mi. E of hwy 99, along hwy 138, s of gorman. 1524 Comment
  SEINET5766009 Image available Amaranthus David Charlton 1991-5-27 5313 Los Angeles Mojave Desert Jct. 90 th and C St. west of Palmdale and south of Little Rock road to Edwards AFB. 945 Comment
  UCR159824  Amaranthus albus LeRoy Gross 1999-10-3 166 Los Angeles "Southern base,San Gabriel Mountains/ Verdugo Mountains region", Southern base,San Gabriel Mountains: Big Tujunga Wash, east of 210 freeway, city of Sunland. 366 Comment
  RSA611362  Amaranthus albus L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  UCR144144  Amaranthus blitoides Scott D. White 1997-5-8 5073 Los Angeles San Gabriel Mtns, San Gabriel River Canyon, N of Azusa. Canyon bottom and adjacent slopes below Morris Dam 305 Comment
  POM306338  Amaranthus retroflexus Henry J. Ramsey, Henry J. Ramsey 1937-8-12 1428 Los Angeles Altadena Comment
  JEPS30624  Amblyopappus pusillus Peter H. Raven 1959-4-4 13947 Los Angeles sand of stabilized dunes Point Dume; Santa Monica Mountains 9 Comment
  RSA0080649  Ambrosia acanthicarpa R. G. Swinney 2010-5-29 13009 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  UC56960  Ambrosia acanthicarpa A. Davidson Los Angeles Los Angeles Comment
  UCD128707  Ambrosia acanthicarpa James Dilley 1996-10-26 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest, Vincent Gap, on Angeles Crest Hw. Comment
  RSA93685  Ambrosia psilostachya F. W. Peirson 1919-11-15 1318 Los Angeles East Villa St. near Allen St. Pasadena. Comment
  UCR61040  Ammannia coccinea R. G. Swinney 1989-6-25 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, in Big Dalton Canyon 366 Comment
  RSA415279  Amorpha californica var. californica James Clizbe 1930-5-6 16060 Los Angeles Nichols Canyon. Comment
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Jun 10 2012
  RSA91339  Amorpha californica var. californica Joseph A. Ewan 1932-6-12 7370 Los Angeles San Gabriel Mountains: 1 mi above North Fork Camp, N.F. Tujunga Creek. 976 Comment
  CATA155  Amsinckia intermedia Peter Henrikson 1987-5-21 117 Los Angeles Santa Catalina Island: Bulrush Canyon 243 Comment
  RSA499959  Amsinckia intermedia B. C. Templeton, I. W. Clokey 1930-4-8 1020 Los Angeles San Francisquito Canyon 600 Comment
  UC24626  Amsinckia intermedia J. H. Barber 1897-3-19 71 Los Angeles Santa Monica Exp. Sta. Santa Monica Comment
  SD52432  Amsinckia intermedia Benjamin C. Stone 1953-3-16 306 B Los Angeles San Jose-Puente Hills, South of Pomona on the Brea Canyon Road 245 Comment
  SFV12031  Amsinckia intermedia D. L. Koutnik 1978-3-7 s. n. Los Angeles San Fernando Valley Los Angeles, Northridge. Field at northeast corner of Balboa and Parthenia. 249 Comment
  LA40186  Amsinckia menziesii A. M. Johnson; 1933-4-18 sn Los Angeles U.C.L.A. Botanical Garden Comment
  UC1871156  Amsinckia menziesii var. menziesii T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4930 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
  CHSC3698  Amsinckia tessellata Mary Mac Arthur 1966-4-28 8 Los Angeles Hughes Lake. 914 Comment
  SEINET3083519 Image available Amsinckia tessellata Steve Myers, Ed LaRue 1989-3-20 Los Angeles Palmdale area. Elizabeth Lake Road at California Aqueduct, San Andres rift zone bisects site. 884 Comment
  UCR187113  Amsinckia tessellata var. gloriosa A. C. Sanders 2006-4-10 31978 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
  UCR187225  Amsinckia tessellata var. gloriosa A. C. Sanders 2006-4-18 32107 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  UCR202503  Andropogon glomeratus var. scabriglumis Justin M. Wood 2008-11-25 255 Los Angeles San Gabriel Mountains, Big Tujunga Canyon, near road to Wildwood Picnic Area, on the north side of the road in the vicinity of spring 579 Comment
  POM6827  Androsace elongata subsp. acuta L. T. Street, Williams, P. A. Munz 1919-4-5 2424 Los Angeles Puddingstone Canyon, San Dimas Comment
  UCR192587  Androsace elongata subsp. acuta A. C. Sanders 2008-4-10 34801 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
  RSA503835  Anemopsis californica F. R. Fosberg 1930-6-26 S 3014 Los Angeles Lower Ballona Creek. 10 Comment
  UC1536758  Anisocoma acaulis G. H. True Jr. 1935-3-6 55 Los Angeles sandy s slope Lovejoy Butte 853 Comment
  UCD97917  Anredera cordifolia Peter Shamble 1964-12-18 s.n. Los Angeles Excel Lawn Service, 3440 N. Magnum St., Baldwin Park. Comment
  RSA674555  Anthemis cotula Scott D. White 2000-6-24 8094 Los Angeles Puente Hills: City of Rowland Heights, 'Rancho Rincon de la Brea' near Bill Blevins Park. 213 Comment
  RSA0094358  Antirrhinum coulterianum R. G. Swinney 2011-5-31 14895 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA425785  Antirrhinum coulterianum L. E. Hoffman 1933-7-10 s.n. Los Angeles Coldwater Canyon (near Colby's Ranch) Sierra Madre Mountains Comment
  UC26360  Antirrhinum coulterianum Harley P. Chandler 1897-5-11 Los Angeles Claremont 365 Comment
  UCR214845  Antirrhinum coulterianum Bao Doan 2010-5-29 19 Los Angeles Transverse Range; San Gabriel Mountains, San Gabriel Canyon above Azusa, north of canyon fork and east of Hwy 39 659 Comment
  UCR277395  Antirrhinum coulterianum R. G. Swinney 2010-6-1 13166 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
  SFV3321  Antirrhinum coulterianum M. L. Vincent 1962-6-18 261 Los Angeles Santa Monica Mountains Piuma Road, 0.25 miles east of Malibu Canyon Road. Comment
  SFV4922  Antirrhinum kelloggii M. H. Grayum 1971-6-10 Los Angeles Santa Monica Mountains Just north of Monte Nido along Cold Creek Road. 274 Comment
  LA32225  Antirrhinum multiflorum Peter H. Raven; Henry J. Thompson 1959-9-27 14551 Los Angeles SANTA MONICA MOUNTAINS, Latigo Canyon Road, 1.0 mi E of Newton Canyon. 563 Comment
  UC219141  Antirrhinum multiflorum I. Johnston 1917-6-20 Los Angeles San Antonio Canyon 1066 Comment
  RSA239498  Antirrhinum nuttallianum subsp. subsessile E. R. Blakley 1962-6-10 5247 Los Angeles Rock crevices, north slope, 1/4 mile up canyon from mouth, halfway between Eel Point and Seal Cove, San Clemente Island 30 Comment
  RSA535283  Aphanisma blitoides T. S. Ross 1991-5-20 5349 Los Angeles San Clemente Island: un-named knoll ca 5500 ft. S of Wilson Cove Settlement; westerly slope 2500 ft NW of the 750' BM 186 Comment
  UC56493  Apocynum cannabinum Ernest Braunton Sept 1902 692 Los Angeles Los Angeles Comment
  UCR176957  Apocynum cannabinum L. C. Wheeler 1967-7-30 10260 Los Angeles San Gabriel Mtns, Big Cienega Trail Canyon 1143 Comment
  POM366915  Aquilegia formosa L. E. Hoffman 1932-8-14 17096 Los Angeles Crystal Lake, Angeles National Forest. Comment
  POM94985  Arabis glabra Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  RSA659844  Arabis platysperma var. platysperma Orlando Mistretta 1991-7-30 s.n. Los Angeles Mt. Baldy 2439 Comment
  UCR191677  Arabis pulchra T. B. Salvato 2008-4-22 3300 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
  SBBG119287  Arbutus menziesii V. Soza, L. Gross 1999-7-15 630 Los Angeles Helispot off Mt Wilson Trail, ca. 2.7 mi from trailhead in Sierra Madre; T1N R11W NW/4, NW/4 S9 822 Comment
  CAS-BOT-BC102250  Arctium lappa Philip A. Munz 1950-8-10 15477 Los Angeles north end of Indian Hill Mesa, Claremont Comment
  RSA626742  Arctostaphylos glandulosa Jon E. Keeley 1978-9-2 7227 Los Angeles Singing Pines Camp, Angeles Crest Highway. 2000 Comment
  RSA626757  Arctostaphylos glandulosa Jon E. Keeley 1978-9-4 7235 Los Angeles Mt. Gleason (Arcto study site). 2000 Comment
  RSA626743  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley 1978-9-2 7226 Los Angeles Singing Pines Camp, Angeles Crest Hwy. 2000 Comment
  RSA626838  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Melanie Baer Keeley 1992-10-15 22119 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  RSA629089  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-6-18 15611 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1460 Comment
  RSA0031445  Arctostaphylos glandulosa subsp. glaucomollis Orlando Mistretta, Christine Mistretta 2008-5-19 3127 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 101 per TRTP Survey 2008), Upper Fish Canyon, E of Monrovia Pk. 1146 Comment
  SBBG119301  Arctostaphylos glandulosa subsp. mollis V. Soza, K. Hughes 1999-6-17 553 Los Angeles upper Winter Crk Trail above San Olene Cyn; T1N R11W SW/4 S3 746 Comment
  SJSU2311  Arctostaphylos glandulosa subsp. mollis H. A. Jensen 1933-3-20 Los Angeles E Fork, San Dimas Canyon, Angeles Forest 1463 Comment
  OBI70939  Arctostaphylos glauca Steve Boyd, Lauren Raz 1997-3-25 9285 Los Angeles Liebre Mts region: Knapp Ranch area at upper end of Castaic Crk drainage in broad alluvial valley at head of Cienaga Canyon, S of Liebre Mtn, flats and slopes just NE of ranch compound 1061 Comment
  RSA623703  Arctostaphylos glauca Scott D. White 1998-4-30 6361 Los Angeles Wrightwood Area: Sheep Creek and adjacent lower +/- E-facing mountain slopes. 1645 Comment
  RSA631511  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16052 Los Angeles Ridge Route, 1 km south of Liebre Gulch turnoff. 1000 Comment
  RSA631535  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16051 Los Angeles Whitaker Peak, northwestern San Gabriel Mountains. Comment
  RSA631562  Arctostaphylos glauca Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 22005 Los Angeles Road 7N23, 3 km south of N2, north base of Liebre Mountains. 1425 Comment
  RSA631563  Arctostaphylos glauca Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 22004 Los Angeles Road 7N23, 3 km south of N2, north base of Liebre Mountains. 1425 Comment
  RSA631704  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15840 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  SD52454  Arctostaphylos glauca Benjamin C. Stone Oct 1952 190 Los Angeles San Gabriel Mtns., San Dimas Canyon 609 Comment
  RSA634825  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22021 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA634877  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20225 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635079  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20365 Los Angeles Road to Mt. Gleason, 13.7 km west of Mill Creek Summit, San Gabriel Mtns. 1805 Comment
  RSA635185  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20591 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  POM156715  Arctostaphylos patula L. R. Abrams 1902-7-12 2703 Los Angeles Mt. San Antonio 2744 Comment
  UCR188924  Arenaria macradenia R. G. Swinney 1998-5-16 6100 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, Mescal Highlands, Graham Canyon, 1.7 mi. N of Panorama Way at Graham Cyn. Motorway, 0.6 mi. S of Ft. Tejon Rd. 1220 Comment
  UCR8944  Argania sideroxylon O. F. Clarke 1967-11-28 s.n. Los Angeles San Gabriel Valley, Arcadia, Los Angeles State and County Arboretum 183 Comment
  UC854928  Argemone munita C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-5-13 4614 Los Angeles Boquet Canyon 600 Comment
  RSA105987  Argemone munita Gerald B. Ownbey, Findley Ownbey 1954-5-28 2118 Los Angeles Soledad Canyon, 7 miles W of Ravenna, at jct of Hwy with Agua Dulce Creek road Comment
  RSA779996  Argyranthemum foeniculaceum R. G. Swinney 2009-4-7 10284 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte, under 2nd span from west 184 Comment
  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
  UCSB23175  Artemisia douglasiana McMinn, Howard 1924-7-12 Los Angeles Near Whittier, Calif. Comment
  LA201930  Artemisia dracunculus Arthur C. Gibson; 2003-8-31 4922 Los Angeles 188 Comment
  RSA0021697  Artemisia dracunculus Duncan S. Bell, Caitlin Elam 2013-6-24 5270 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  UCR191257  Artemisia ludoviciana R. G. Swinney 1999-7-28 7576 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, c. 400 m north of Allison Gulch 732 Comment
  UC284246  Artemisia ludoviciana subsp. incompta P. A. Munz 1923-9-1 7711 Los Angeles narrow n facing canyon at old sawmill; San Gabriel Mts., Swartout Valley 2042 Comment
  RSA643853  Artemisia nesiotica Steven A. Junak 1996-9-30 SC 1 -688 Los Angeles San Clemente Island: W side of island, in W fork of Norton Canyon. 320 Comment
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May 1 2015
  SEINET231398  Artemisia tridentata subsp. parishii Leila M. Shultz 1981-10-14 5719 Los Angeles CULTIVATED; Rancho Santa Ana Botanic Garden, cultivated from apopulation collected at Newall, Los Angeles country 330 Comment
  UC1119416  Artemisia tridentata subsp. parishii A. Lewis 1934-2-1 4297 Los Angeles Oak Springs San Fernando Quadrangle, Oak Springs Comment
  UC54010  Artemisia tridentata subsp. parishii S. B. Parish 1881-11-1 1065 Los Angeles Newhall; ; Newhall, Los Angeles Co. Comment
  CAS-BOT-BC146257  Arundo donax W. S. Lyon 1890-12-1 s.n. Los Angeles Borders of Los Angeles River. Comment
  OBI35057  Arundo donax Eric Wise 1983-10-21 1847 Los Angeles Growing alongside Hwy 1, 0.9 mi S of Decker Cyn rd in the Broad Beach area of Malibu, CA. Growing on W side of the hwy Comment
  SBBG17265  Asclepias californica K. A. Wilson 1962-5-12 1280 Los Angeles cyn with public cmpgrds leading to Devils Punch Bowl trail Comment
  RSA0104734  Asclepias eriocarpa LeRoy Gross 2001-5-27 420 Los Angeles 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. 470 Comment
  IRVC26841  Asclepias fascicularis S. D. White 1997-11-5 6015 Los Angeles Mouth of Trancas Canyon, N of Pacific Coast Hwy (= CA Hwy 1) Malibu Coast 0 Comment
  RSA401246  Asclepias fascicularis Anstruther Davidson 1889-06 s.n. Los Angeles Los Angeles. Comment
  POM21166  Aster greatae Fordyce Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena; San Gabriel Mts. Comment
  RSA586028  Aster greatae Orlando Mistretta, Steve Boyd 1994-6-21 1388 A Los Angeles Santiago Canyon, drainage northwest of Pacifico Mountain. 1585 Comment
  UCR223264  Aster greatae R. G. Swinney 2009-8-19 11449 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon Wilderness Park, at waterfall 534 Comment
  RSA717300  Astragalus douglasii Scott D. White, Pam De Vries 2006-5-9 11406 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
  LA204946  Astragalus douglasii var. douglasii H. Anderson; 1932-5-9 sn Los Angeles Robinson Ranch near Sandberg [on old US 99, S of County Rd N8] Comment
  CAS-BOT-BC187374  Astragalus lentiginosus var. variabilis Timothy S. Ross 1992-4-4 6097 Los Angeles Mojave Desert: just NW of Palmdale Blvd. x North 210th Street East, roughly 4 air-miles ESE of Lovejoy Buttes 868 Comment
  UC1128812  Astragalus lentiginosus var. variabilis A. D. Gifford 1935-4-12 574 Los Angeles 1 mi w Manzana; Tejon Quad., w of Manzana Comment
  UCR11597  Astragalus leucolobus O. H. Kappler 1946-5-30 1198 Los Angeles San Gabriel Mtns., [near] Wrightwood. Los Angeles County Park 2012 Comment
  SBBG12327  Astragalus miguelensis P. H. Raven 1962-5-8 17620 Los Angeles near summit of ridge above Wilson Cove 121 Comment
  RSA415726  Astragalus trichopodus var. lonchus George B. Grant, Walter Wheeler 1904-4-21 1931 Los Angeles Santa Catalina Island. Comment
  RSA498282  Astragalus trichopodus var. lonchus Ducelia Cobb 1937-7-3 s.n Los Angeles Near Long Beach. Comment
  LA33465  Astragalus trichopodus var. phoxus Peter H. Raven; Henry J. Thompson 1959-5-5 14158 Los Angeles Santa Monica Mountains, Malibu Canyon, 3 mi S of Tapia Park 91 Comment
  RSA305040  Astragalus trichopodus var. phoxus P. H. Raven 1960-4-12 15024 Los Angeles Mulholland Drive 3.1 miles west of Las Virgines Road. 274 Comment
  RSA415702  Astragalus trichopodus var. phoxus Robert Gustafson 1978-5-2 931 Los Angeles Extreme southeastern end of Hungry Valley, ca 1/4 mile west of Hwy. 5, 7 miles south of Gorman on Hwy. 5. 945 Comment
  RSA415703  Astragalus trichopodus var. phoxus L. E. Hoffman 1926-3-18 s.n. Los Angeles Arroyo Seco, Los Angeles Comment
  RSA615560  Astragalus trichopodus var. phoxus LeRoy Gross 1998-5-15 18 Los Angeles San Gabriel Mtns: Big Tujunga Wash. East of 210 freeway ,west of Big Tujunga Canyon Road. 365 Comment
  UC204571  Astragalus trichopodus var. phoxus R. L. Pendleton 1909-7-2 1369 Los Angeles road e Avalon (Santa Catalina Island); , e of Avalon 9 Comment
  CAS-BOT-BC17504  Athysanus pusillus Munz; Street; Williams 1919-3-8 2294 Los Angeles Pomona. Comment
  SBBG130750  Athysanus pusillus S. A. Junak 2000-3-31 SCa 1151 Los Angeles S side of rd to White's Landing, ca. 0.2 mi N of intersection with rd to Echo Lake 390 Comment
  RSA188253  Atriplex californica R. F. Thorne, P. Everett 1965-6-24 35042 Los Angeles Santa Catalina Island. Shark Harbor, W side of Island. 8 Comment
  UC110271  Atriplex californica Katharine Brandegee 1893-10-15 Los Angeles Redondo Comment
  RSA599740  Atriplex canescens L. C. Wheeler 1967-11-18 s.n. Los Angeles Liebre Mountain: Barrel Springs. 899 Comment
  SEINET3930675  Atriplex canescens subsp. canescens Timothy S. Ross, Steve Boyd 1994-9-20 8227 a Los Angeles Located 2 miles northwest of Acton. South side of intersection of Escondido Canyon Road and Red Rover Mine Road.; 0 884 Comment
  RSA6641  Atriplex confertifolia C. B. Wolf 1932-9-15 1549 Los Angeles About 2 blocks west of center of town of Lancaster. Antelope Valley, Mojave Desert. 718 Comment
  SEINET2042305 Image available Atriplex confertifolia B. Pitzer 1998-5-23 3724 Los Angeles West Mojave; ca 18 mi NW of Adelanto, 12.8 mi W of the San Bernardino Co. line 240th St. East, 3.6 road mi N of jct with El Mirage Rd. (=Ave. P), 2.9 mi S of Ave J. (Adobe Mountain 7.5' Q) 866 Comment
  SBBG131729  Atriplex coulteri S. A. Junak 1999-5-8 SCa 910 Los Angeles N side of Fern Cyn, Cottonwood drainage, along abandoned rd 121 Comment
  SEINET3156331  Atriplex leucophylla S. B. Parish Los Angeles Ballona; sea coast Comment
  SBBG29937  Atriplex nummularia C. B. Wolf 1931-12-30 2636 Los Angeles Playa del Rey 30 Comment
  RSA518245  Atriplex semibaccata A. C. Sanders 1987-12-4 7440 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA720145  Atriplex semibaccata LeRoy Gross 2007-4-6 2626 Los Angeles Southern base of the range: Just northwest of Bel Aire Park, at the intersection of Cambridge Drive and Bel Aire Drive. City of Burbank. 273 Comment
  SD21285  Atriplex semibaccata Norman E. Bilderback 1938-4-17 Los Angeles Catalina Island; Avalon. Comment
  UCR178782  Atriplex semibaccata R. G. Swinney 1989-9-11 s.n. Los Angeles San Gabriel Mtns. Foothills, Glendora, east end of South Hills, at end of High Country Drive 305 Comment
  LA31605  Atriplex serenana var. serenana Peter H. Raven; Henry J. Thompson, Henry J. Thompson 1959-10-14 14619 Los Angeles Santa Monica Mountains, Malibu Junction 266 Comment
  UC1401317  Avena barbata D. B. Dunn 1947-3-19 2929 Los Angeles n side of Welshire 1/2 block e Manning; Los Angeles Comment
  LA11008  Avena fatua Harlan Lewis; 1941-3-19 Los Angeles Faculty Hill, U.C.L:.A., Westwood Comment
  RSA0113376  Avena fatua LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7554 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  RSA599468  Avena fatua Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9487 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
  RSA649002  Avena fatua Scott Lowe 1991-4-20 10 Los Angeles San Gabriel River channel, about 100 m. south of Valley Boulevard bridge, city of El Monte. Comment
  SBBG45311  Azolla filiculoides M. R. Benedict 1970-6-27 Los Angeles under wooden bridge, lower Cape Cyn Comment
  RSA418210  Baccharis douglasii T. Gertrude Williamson 1924-8-22 s.n. Los Angeles Catalina Island, Toyon Canyon Comment
  UCR125182  Baccharis glutinosa A. C. Sanders, Mark Elvin 2002-6-25 25261 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  CAS-BOT-BC99411  Baccharis pilularis Geo. C. Roeding 1922-2-18 s.n. Los Angeles Catalina Island Comment
  SFV20871  Baccharis pilularis L. Gross 2000-11-12 329 Los Angeles Verdugo Mountains Green Verdugo Fire Road, off Sunland Blvd. just west of 210 Freeway. This road goes up to Green Verdugo Reservoir. Near road. 412 Comment
  SFV3739  Baccharis pilularis M. L. Vincent 1963-11-22 470 Los Angeles Santa Monica Mountains New Topanga Canyon Road, 2 miles north of the turnoff to Old Topanga Canyon Road. Roadside. Comment
  UCR91440  Baccharis pilularis Scott D. White 1995-2-7 2519 Los Angeles San Gabriel Mtns., Santa Susana Mtns, Sunshine Canyon, directly west of Hwy I-5 just south of interchange with Hwy 14 457 Comment
  RSA657107  Baccharis plummerae subsp. plummerae Carl Wishner 2000-10-13 3951 Los Angeles Santa Monica Mountains, Solstice Canyon [Park], south of the creek from picnic area / parking lot. 58 Comment
  CAS-BOT-BC106759  Baccharis salicifolia Elmer I. Applegate 1931-11-2 6828 Los Angeles San Fernando Valley Comment
  OBI69367  Baccharis salicifolia John Knapp, Denise Knapp 2002-11-27 8 Los Angeles Santa Catalina Island Comment
  POM280813  Baccharis salicifolia Henry J. Ramsey, Henry J. Ramsey 1937-3-27 s.n. Los Angeles Little Tujunga Canyon Comment
  RSA0110758  Baccharis salicifolia R. G. Swinney 2011-10-25 15856 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  RSA189407  Baccharis salicifolia L. S. Rose 1966-12-18 66113 Los Angeles Franklin Canyon, Santa Monica Mtns 335 Comment
  SD69620  Baccharis salicifolia Robert F. Thorne, P. Everett 1965-5-11 34657 Los Angeles Santa Catalina Island; near Cottonwood Dam in Cottonwood Canyon. 45 Comment
  SFV3744  Baccharis salicifolia M. L. Vincent 1962-10-4 300 Los Angeles San Gabriel Mountains Lost Canyon Road, 0.25 miles north of Sand Canyon. Beside dry stream bed. 475 Comment
  UC1118902  Baccharis salicifolia subsp. salicifolia P. L. Johannsen 1934-1-27 245 Los Angeles Mouth of Brown's Canyon (Santa Susana); , Brown's Canyon 320 Comment
  UC893831  Balsamorhiza deltoidea I. W. Clokey, C. B. Clokey and B. C. Templeton 1930-5-13 4628 Los Angeles Boquet Canyon Bouquet Canyon 335 Comment
  RSA44891  Barbarea orthoceras J. C. Roos 1947-5-31 3664 Los Angeles Meadow near Jackson Lake. Comment
  UCD95089  Berberis aquifolium var. repens J. E. Law 1923-5-22 254 Los Angeles Eaton Canyon trail, over Oak Flat. Comment
  CAS-BOT-BC101999  Bidens pilosa Peter Raven 1959-10-10 14617 Los Angeles University of California, Los Angeles 129 Comment
  UCD129559  Bidens pilosa H. F. Copeland 1927-12-28 s.n. Los Angeles Grounds of Huntington Estate near Los Angeles. Comment
  SD230121  Bloomeria crocea Louis C. Wheeler 1967-6-15 9829 Los Angeles Liebre Mountaina: North slope foothills between Bouquet Junction and Bonelli Ranch. 373 Comment
  CAS-BOT-BC95424  Bowlesia incana P. A. Munz; Street; Williams 1919-3-15 2398 Los Angeles South Hills, Pomona Comment
  UCR124251  Bowlesia incana 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
  LA92007  Brachypodium distachyon Peter H. Raven; 1962-5-22 17825 Los Angeles Santa Cruz Island, above Emerald Bay 121 Comment
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Jun 5 2014
  RSA583025  Brachypodium distachyon Timothy S. Ross, Janet Takara, S. Otte 1993-4-24 6948 Los Angeles Santa Catalina Island: W end of island beyond isthmus, NW of Mt. Torquenada. 396 Comment
  SEINET10973537  Brassica campestris David B. Dunn 1937-3-14 Dunn UMO 40311 Los Angeles Palos verdes. Comment
  RSA599349  Brassica nigra L. C. Wheeler 1968-3-17 s.n. Los Angeles Morgan Canyon at Ferguson Motorway 488 Comment
  CAS-BOT-BC100426  Brickellia californica Timothy S. Ross; Steve Boyd 1994-9-20 8262 Los Angeles Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir. Green Valley 7.5' USGS Quadrangle 934 Comment
  SD85064  Brickellia californica E. R. Blakley 1962-10-5 5451 Los Angeles Santa Catalina Island, Cottonwood Canyon,.25 mile upstream from the ocean 29 Comment
  RSA595029  Brickellia nevinii Steve Boyd, Lauren Raz 1996-10-8 8992 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  UCR180362  Bromus arenarius Scott D. White, Pam Devries 2006-5-9 11408 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
  CAS-BOT-BC149411  Bromus berteroanus A. J. McClatchie s.n. Los Angeles Pasadena. Arroyo Seco. Comment
  SEINET3128749  Bromus berteroanus G. B. Grant 1905-4-15 123 Los Angeles Pasadena Comment
  CATA1231  Bromus carinatus Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-21 2297 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 286 Comment
  RSA713741  Bromus carinatus A. C. Sanders, Helen Kennedy 2005-4-13 29439 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  CAS-BOT-BC149185  Bromus carinatus var. carinatus S. B. Parish 1895-5-1 s.n. Los Angeles Antelope Valley. Comment
  RSA549180  Bromus carinatus var. carinatus Timothy S. Ross 1992-7-16 6689 Los Angeles Near summit of Mt. Gleason, just E of the military reservation. 1901 Comment
  RSA639726  Bromus carinatus var. carinatus L. C. Wheeler 1968-6-14 s.n. Los Angeles Spring on north side of Blue Ridge by Guffy camp. Comment
  RSA736231  Bromus carinatus var. carinatus Scott D. White, Justin M. Wood 2008-5-8 11944 Los Angeles SCE powerline corridor, E of Fullerton Rd. and S of Pathfinder, above Rowland Heights. 213 Comment
  SEINET269179 Image available Bromus carinatus var. carinatus Scott D. White, Chet McGaugh 1995-5-16 3058 Los Angeles E edge of Santa Susana Mts W of San Gabriel Mts. 'Sunshine Cyn'; W of San Fernando Rd. and I-5 Fwy SW of interchange w 457 Comment
  HSC65801  Bromus diandrus R. F. Thorne 1971-4-23 41473 Los Angeles Angeles National Forest, NE of Chantry Flats along Santa Anita Creek 549 Comment
  RSA0021519  Bromus diandrus Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5149 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA0042633  Bromus diandrus S. Koukol, E Lutz 1998-4-26 6 Los Angeles Claremont, along W side of Indian Hill Blvd., 50 m S of Baseline Road. 421 Comment
  SDSU947  Bromus diandrus Gerald Collier 1951-5-5 Los Angeles Floor of Santa Anita Canyon, San Gabriel mtns, about 4 miles north of Santa Anita Dam. Comment
  CDA1823  Bromus diandrus Phillipson 1914-1 Los Angeles 0 Comment
  POM1260  Bromus grandis Le Roy Abrams 1902-6-29 1653 Los Angeles Summit of Mt. Wilson. Comment
  SBBG56565  Bromus grandis M. N. Ackley 1929-5-11 Los Angeles San Dimas Cyn Comment
  RSA0110791  Bromus hordeaceus Richard G. Swinney 2011-4-28 14530 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
  UCSB332  Bromus hordeaceus Kraebel, C. 1932-6-20 Los Angeles Angeles National Forest; San Dimas SRE plots 303 & 304 Comment
  SEINET10514571  Bromus hordeaceus Alan A. Beetle 1942-4-18 Beetle 3251 Los Angeles Foothill Blvd. 13 miles S of Pasadena. Chaparral-cactus assoc. Comment
  RSA656160  Bromus marginatus Joseph M. Keefe 1977-6-11 22105 Los Angeles Verdugo Mountains; Glendale. South fork of Engleheard Canyon, one Km west of Elinita Ave. Camp Max Straus. 427 Comment
  LA104202  Bromus pseudolaevipes Barry A. Prigge; 1985-6-14 6420 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Canyon, along trail below Murphy Ranch site. 597 Comment
  RSA187998  Bromus pseudolaevipes R. F. Thorne, Percy C. Everett 1965-6-23 34984 Los Angeles Santa Catalina Island. Near Hotel St. Catherine in Descanso Canyon. 15 Comment
  UCSB37848  Bromus pseudolaevipes Raven, Peter 1960-5-21 Los Angeles Triunfo Canyon; Santa Monica Mtns 259 Comment
  RSA624020  Bromus rubens Arthur R. Kruckeberg 1940-3-24 486 Los Angeles Pacoima Canyon. Comment
  UCR205915  Bromus rubens R. G. Swinney 2008-5-5 8750 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  UCR223663  Bromus rubens R. G. Swinney 2009-6-12 11129 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  PASA649  Bromus tectorum Sally Ellis 1940-4-16 Los Angeles Evy's canyon, Claremont Comment
  UCR209847  Bromus tectorum R. G. Swinney 2008-7-15 9220 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  RSA638186  Calandrinia ciliata L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. 548 Comment
  CATA662  Calandrinia menziesii Mark L. Hoefs 1991-4-23 1151 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  SEINET13386992 Image available Calocedrus decurrens R. G. Swinney 2011-1 15947 Los Angeles San Gabriel Mountains: confluence of West Fk. San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. (Azusa 7.5' Q.) 634 Comment
  RSA313031  Calochortus albus Robert F. Thorne s.n. Los Angeles North of Claremont in Foothills of San Gabriel Mountains. Collected by Robert Frampton Comment
  RSA607017  Calochortus albus Leota Brice 1880-4-28 s.n. Los Angeles San Fernando Comment
  CAS-BOT-BC132263  Calochortus catalinae Frank T. II Callahan 1989-8-21 580 Los Angeles Santa Monica Mtns off Mulholland Dr. Comment
  RSA604515  Calochortus catalinae Sara L. Crockett, Sheila Schueller 1997-3-8 560 Los Angeles Santa Catalina Island. Point overlooking Cottowood Beach. 79 Comment
  RSA640807  Calochortus catalinae Louis C. Wheeler 1931-4-10 s.n. Los Angeles Pomona: Ganesha Heights. Comment
  SEINET269177  Calochortus clavatus var. gracilis Scott D. White, Chet McGaugh 1995-5-16 3074 Los Angeles E edge of Santa Susana Mts W of San Gabriel Mts W of San Fernando Rd. I-5 Fwy SW of interchange w/SR 14 Fwy Sunshine Cyn 457 Comment
  RSA152151  Calochortus invenustus Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson Saddle, San Gabriel Mts. 2438 Comment
  RSA671261  Calochortus kennedyi Robert Gustafson 1978-6-21 1031 Los Angeles Lower Hungry Valley, Freeman Canyon, about 4.0 miles south of Gorman 945 Comment
  CAS-BOT-BC496761  Calochortus venustus Le Roy Abrams; E. A. McGregor 1908-6-20 361 Los Angeles Liebre Mountain 1463 Comment
  POM4995  Calycadenia tenella Minnie Reed 1895-8-22 s.n. Los Angeles Claremont, Sierra Madre Mts. Comment
  SBBG66300  Calycoseris parryi R. Hoffmann 1925-5-16 Los Angeles E end of Bouquet Cyn Comment
  RSA0085401  Calyptridium monandrum R. G. Swinney 2010-5-19 12818 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
  UCR119333  Calyptridium monandrum B. G. Pitzer 1998-5-12 3686 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
  SD66870  Calystegia macrostegia R. Mitchel Beauchamp 1967-3-18 317 Los Angeles San Clemente Island; in field west of Wilson Cove. Comment
  UCR141321  Calystegia macrostegia R. F. Thorne, C. W. Tilforth 1971-4-9 41553 Los Angeles Transverse Range; San Gabriel Mtns., Angeles National Forest; San Dimas Canyon, below entrance to wooded area of canyon near creek 381 Comment
  UCR239611  Calystegia macrostegia Dan S. Cooper 2012-8-6 812- 53 Los Angeles Western Transverse Range; Santa Monica Mountains, Las Flores Canyon along Gorge Rd. 116 Comment
  UCR255820  Calystegia macrostegia R. G. Swinney 2010-5-4 12495 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
  CHSC26333  Calystegia macrostegia subsp. arida Barry White 1969-5-23 153 Los Angeles Ca 3 miles NE of Duarte in Fish Canyon in San Gabriel Mtns. 304 Comment
  JEPS31648  Calystegia macrostegia subsp. intermedia F. W. Peirson 1918-6-28 151 Los Angeles foothills e Rubio Canyon (San Gabriel Mountains); , fthills e of Rubio Canyon 579 Comment
  RSA394899  Calystegia macrostegia subsp. intermedia Fay A. MacFadden 1931-4-1 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA657955  Calystegia macrostegia subsp. intermedia J. Keeling 1980-5-26 16 Los Angeles Verdugo Mountains Region: South end of dam, beginning of Childs Canyon, 550 yards east of Allen St., Glendale. 335 Comment
  SDSU20288  Calystegia macrostegia subsp. macrostegia Patrick McConnell 2003-4-7 28 Los Angeles Horse beach Creek in chalk canyon growing immediate to Malacothamnus clementinus, 1/2 mile to 3/4 mile up canyon from beach, San Clemente Island. 30 Comment
  UCR253909  Calystegia malacophylla subsp. malacophylla Mitch Provance 2010-5-11 0510- 13 Los Angeles Westernmost Mojave Desert, Tejon Ranch, south side of Hwy 138, 1.75 miles east of with Ridge Route/Hwy N2 997 Comment
  RSA698760  Calystegia occidentalis subsp. fulcrata LeRoy Gross, Paul Morton 2004-6-10 1370 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west [west to east] from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1590 Comment
  UC1794938  Calystegia peirsonii R. K. Brummitt and S. D. Boyd 1998-5-25 20027 Los Angeles 10 km NE of Castaic, San Francisquito Canyon just N of powerhouse below Drinkwater Res 485 Comment
  UCR223783  Camissonia R. G. Swinney 2009-5-27 10908 Los Angeles Transverse Range; San Gabriel Mtns., South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 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
  UCR94691  Camissonia boothii A. C. Sanders, E. J. Lott 1993-5-6 13949 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  POM50049  Camissonia californica L. R. Abrams 1901-4-3 1271 Los Angeles Santa Monica Mountains. Comment
  RSA466141  Camissonia californica R. S. Woglum 1934-3-26 1290 Los Angeles San Fernando, Pacoima wash, NW Los Angeles County. Comment
  SEINET3860302  Camissonia californica R. G. Swinney 2009-4-15 10337 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: north of Azusa, El Encanto Azusa River Wilderness Park.; 0 296 Comment
  RSA596065  Camissonia campestris subsp. campestris Louis C. Wheeler 1967-5-9 9395 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  UCR217711  Camissonia cheiranthifolia A. C. Sanders, Dan S. Cooper 2010-8-5 38546 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UCR107809  Camissonia claviformis Steve Boyd, Valerie Soza 1998-4-28 10173 Los Angeles Liebre Mtns, Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Calif. Hwy 138, west of Fairmont Comment
  RSA716367  Camissonia graciliflora Andrea Edwards, Pam DeVries 2006-4-11 90 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA186684  Camissonia guadalupensis subsp. clementina Peter H. Raven 1962-4-11 17284 Los Angeles Dune on coast north of a point due west of Wall 2, San Clemente Island. 9 Comment
  RSA585916  Camissonia hirtella Tim S. Ross, Steve D. Boyd 1990-5-17 2568 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA595939  Camissonia hirtella Louis C. Wheeler 1967-5-9 9411 Los Angeles San Gabriel Mountains. Aliso Canyon. 945 Comment
  RSA601327  Camissonia intermedia Steve Boyd, Lauren Raz 1997-6-17 9964 Los Angeles Liebre Mountains region: Saddle on the summit of Sawmill Mountain, divide between Heryford and Burnt Peak canyons at the junction of Forest Service roads 7N23, 7N23A, and 7N08. 1601 Comment
  RSA647945  Camissonia intermedia Michelle Manolovitz, Brian Manolovitz 1992-5-19 27 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 400 feet north of park office. 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
  RSA449027  Camissonia micrantha Christopher Davidson 1973-4-6 1864 Los Angeles Tapia Park, Malibu Canyon. 244 Comment
  UCR241709  Camissonia micrantha Dan S. Cooper 2012-4-14 412- 20 Los Angeles Western Transverse Range; Hollywood Hills, Griffith Park, Vermont Canyon area, near mouth of canyon behind tennis courts 259 Comment
  RSA187568  Camissonia robusta Peter H. Raven 1963-4-17 18170 Los Angeles Santa Catalina Island: progeny of no. 17807, cultivated at Stanford. Comment
  POM3109  Camissonia strigulosa O. W. Robinson 1916-4-20 s.n. Los Angeles Near Science Hall, Pomona College, Claremont. Comment
  RSA0034177  Camissonia strigulosa Pam De Vries 2013-4-9 7844 Los Angeles About 1.0 air miles south of the Gorman offramp on the northbound I5, along Gorman Post Road, west side. 1097 Comment
  UC52255  Camissonia strigulosa Pupils of Los Angeles High School Apr. 1903 Los Angeles Los Angeles Comment
  RSA454104  Camissonia strigulosa Ora M. Clark 1929-3-29 1806 Los Angeles E.W. Saugus Comment
  LA32210  Camissoniopsis bistorta Peter H. Raven; 1959-4-18 13997 Los Angeles Santa Monica Mountains, Pt. Dume, behind the point 24 Comment
  OBI48966  Camissoniopsis bistorta Unknown 1882-2-27 s.n. Los Angeles Pasadena Comment
  SBBG15852  Camissoniopsis bistorta W. G. Webb 1935-4-17 Los Angeles Arroyo Seco Comment
  UCSB4384  Camissoniopsis bistorta Ballard 1954-4-13 Los Angeles Pomona College, Claremont 259 Comment
  SBBG107229  Camissoniopsis guadalupensis subsp. clementina J. Rebman, J. Dunn 1996-4-29 3104 Los Angeles Eel Cove and Eel Cove Cyn 50 Comment
  CAS-BOT-BC160527  Camissoniopsis lewisii John H. Thomas 1957-4-27 6666 Los Angeles Pt. Dume, about 18 miles due west of Santa Monica 60 Comment
  RSA0112769  Camissoniopsis micrantha R. G. Swinney 2011-3-29 14242 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
  CDA24743  Capsella bursa-pastoris L. C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains; 0.4 mile southwest of Big Cienega on ridge on south side Big Dalton Canyon near mouth. Comment
  HSC6619  Capsella bursa-pastoris C. S. Apperson 1966-4-27 Los Angeles Pierce College campus, Woodland Hills Comment
  UCR150427  Cardamine flexuosa A. C. Sanders 2005-2-13 29150 Los Angeles San Gabriel Valley, Walnut, Mt. San Antonio College, at south foot of the San Jose Hills 244 Comment
  SD138912  Cardamine oligosperma Craig Reiser 1993-4-2 Los Angeles San Raphael Hills, proposed Glendale Freeway Park Comment
  RSA0087087  Carduus pycnocephalus R. G. Swinney 2010-5-4 12563 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  UCR209852  Carex R. G. Swinney 2008-7-13 9188 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, middle fork of Bell Canyon at debris basin 762 Comment
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Sep 12 2018
  RSA0082416  Carex alma R. G. Swinney 2010-9-7 13724 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
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Oct 27 2020
  SEINET3897002  Carex alma Timothy S. Ross, Steve Boyd; Steve W. Burns 1994-7-6 8111 Los Angeles Tributary of Clearwater Canyon: Fork area of major blueline tributary which drains southward from Tule Ridge and joins Clearwater Canyon at Plum Spring. Green Valley 7.5' USGS Quadrangle.; 0 814 Comment
  RSA0127510  Carex alma Louis C. Wheeler 1967-7-18 10096 Los Angeles Yerba Buena Spring, Gold Creek of Little Tujunga [Canyon]. 1189 Comment
  SEINET7559358 Image available Carex fracta Steve Boyd, Lauren Raz 1997-5-20 9807 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. 1341 Comment
  UCR182637  Carex fracta R. G. Swinney 1997-7-23 5729 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  CAS-BOT-BC21764  Carex hassei Robert F. Thorne; M. Z. Thorne 1967-7-19 37131 Los Angeles Yucca Flats Summer Home Tract at upper end of Canyon of N Fork of San Gabriel River. 1249 Comment
  JEPS48975  Carex multicaulis Joseph Ewan 1933-7-9 7870 Los Angeles Monrovia Peak 1463 Comment
  UCR209853  Carex multicaulis R. G. Swinney 2008-7-25 9319 Los Angeles San Gabriel Mtns., Twin Peaks Saddle, between Waterman Mtn. and Twin Peaks, the southernmost of the two saddles 2000 Comment
  POM155897  Carex praegracilis 1919-5-10 2699 Los Angeles San Gabriel River near Bassett. 90 Comment
  CAS-BOT-BC117416  Carex senta George B. Grant 1904-7-23 6406 Los Angeles Mt. San Gorgonio, Vivian Creek. 2286 Comment
  SD53067  Carex triquetra Peter Raven 1962-5-21 17813 Los Angeles Santa Catalina Island, lower end of Bullrush Canyon, clumps. 198 Comment
  RSA402600  Carpobrotus edulis Edwin Kline 1926-7-1 s.n. Los Angeles Redondo Beach. Comment
  SFV16023  Carpobrotus edulis A. M. Orcino, A. Sutton 1994-4-23 6 Los Angeles Playa del Rey Beach, corner of Pacific Ave. and Convoy St., 0.1 mile north of Culver Blvd. 2 Comment
  CDA6925  Carthamus creticus E. M. Becker 1948-7-2 Los Angeles San Francisquito Canyon above Saugus. 11.8 miles north of Bouquet Canyon Road - TC Fuller. 0 Comment
  LA82058  Castilleja affinis O. H. Kappler; 1946-4-6 1077 Los Angeles SANTA MONICA MOUNTAINS, Hidden Valley, French Ranch, W of Lake Sherwood. 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
  UC625070  Castilleja affinis subsp. affinis F. R. Fosberg 1931-3-25 S 4362 Los Angeles s wall Hamilton Canyon; Santa Catalina Island 10 Comment
  RSA425901  Castilleja affinis subsp. affinis Sam Tyson 1943-4-22 s.n. Los Angeles Big Dalton Canyon. 412 Comment
  UCR191306  Castilleja applegatei R. G. Swinney 1998-7-2 6255 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA229189  Castilleja applegatei subsp. martinii Robert F. Thorne, C. W. Tilforth 1971-6-29 40712 Los Angeles San Gabriel Mountains, Angeles National Forest: Aliso Creek at Tie Canyon where crossed by Angeles Forest Road. 1372 Comment
  RSA448678  Castilleja applegatei subsp. martinii Louis C. Wheeler 1932-4-16 625 Los Angeles W side Santa Anita Canyon, San Gabriel Mountains. 854 Comment
  RSA650284  Castilleja exserta subsp. exserta W. A. Reinke 1971-5-3 s.n. Los Angeles On Glendora Mtn. rd, 1 mi. N. of Glendora Dam. Comment
  SD41990  Castilleja foliolosa Darley F. Howe 1947-5-3 Los Angeles Mint Canyon Comment
  UC885189  Castilleja foliolosa I. W. Clokey and B. C. Templeton 1930-4-8 4721 Los Angeles San Francisquito Canyon 800 Comment
  RSA400571  Castilleja foliolosa H. Twining 1906-04 s.n. Los Angeles Elysian Park. Comment
  NY68080  Castilleja gleasoni A. D. E. Elmer 06 1902 3659 Los Angeles Acton Comment
  RSA630744  Castilleja minor subsp. spiralis LeRoy Gross 1999-8-21 164 Los Angeles San Gabriel Mountains: Charlton Flat. 1616 Comment
  SEINET3079752 Image available Castilleja pinetorum Mary V. Hood 1945-5-1 C- 2217 Los Angeles Tapia Park Area, Santa Monica Mountains. 300 Comment
  UCR187345  Castilleja plagiotoma LeRoy Gross 2005-6-23 2374 Los Angeles San Gabriel Mountains, Road survey for Angeles National Forest; From Alder Saddle 4 miles down road 5N04 along South Fork Little Rock Creek 1642 Comment
  SD197723  Caulanthus amplexicaulis R. G. Swinney 2008-5-5 8756 Los Angeles San Gabriel Mountains; Big Rock Creek at Paradise Springs. 1000 Comment
  RSA597820  Caulanthus cooperi L. C. Wheeler 1969-4-20 s.n. Los Angeles Mt. Emma Road just north of National Forest Boundary; ridge east of Hunt Canyon. Comment
  UCR190346  Caulanthus lasiophyllus R. G. Swinney 2001-4-18 7898 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCSB2485  Caulanthus lasiophyllus Wedberg, H. 1958-4-11 Los Angeles One mile north-west of Pearblossom Comment
  CAS-BOT-BC47909  Ceanothus arboreus Knopf; Johnson 1930-1-30 11214 Los Angeles Catalina Island Comment
  CATA3023  Ceanothus arboreus Amy Catalano 2016-3-9 029 Los Angeles Santa Catalina Island: South side of Airport Road in ""Fox Country"", about 270 meters east of Haypress Reservoir 405 Comment
  SD84813  Ceanothus arboreus Reid Moran 1941-2-23 607 Los Angeles Ridge between Johnson's Valley & Howland's Valley, Santa Catalina Island 399 Comment
  CAS-BOT-BC48734  Ceanothus crassifolius Philip A. Munz 1925-4-23 9445 Los Angeles San Gabriel Canyon 487 Comment
  RSA77143  Ceanothus crassifolius F. W. Peirson 1926-3-20 6514 Los Angeles Arroyo Seco, near Pasadena 915 Comment
  UCSB7072  Ceanothus crassifolius Lloyd, Robert 1959-3-4 Los Angeles 1/2 mile south of dam in San Dimas Canyon. Stream bed on west side of San Dimas Canyon Road. 365 Comment
  CAS-BOT-BC49260  Ceanothus cuneatus Le Roy Abrams 1902-3-13 3128 Los Angeles Border of San Gabriel wash, near Azusa Comment
  RSA617469  Ceanothus cuneatus Scott D. White, Pam De Vries 1998-6-23 6758 b Los Angeles Soledad Canyon area; proposed quarry area N of Soledad Canyon. Road, S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 548 Comment
  POM9713  Ceanothus cuneatus var. cuneatus P. A. Munz 1921-4-24 4427 Los Angeles Near Oak Flats on Ridge Road to Bakersfield. 915 Comment
  RSA777877  Ceanothus greggii R. G. Swinney 2009-6-8 11101 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA609273  Ceanothus greggii var. vestitus Louis C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Juniper Hills Road, Juniper Hills, just north of road. 1372 Comment
  RSA95404  Ceanothus integerrimus F. W. Peirson 1920-5-16 2138 Los Angeles Delta Canyon branch of Tujunga Canyon, west end of San Gabriel Mountains 518 Comment
  CAS-BOT-BC50569  Ceanothus leucodermis Saichi Kawahara 1968-4-9 138 Los Angeles Wilson Drive north of boservatory, 4 miles east of junction with Mt. Wilson Road 1310 Comment
  POM308315  Ceanothus leucodermis Henry J. Ramsey, Henry J. Ramsey 1937-7-18 3068 Los Angeles Soldier's Creek, San Gabriel Mountains Comment
  RSA747460  Ceanothus leucodermis R. G. Swinney 2008-4-1 8600 Los Angeles ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora. 671 Comment
  UCR220368  Ceanothus leucodermis R. G. Swinney 2009-4-16 10351 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  SEINET12211343  Ceanothus megacarpus N. C. Coile, Coile, R.; Keeley, S. 1985-1 4443 Los Angeles Santa Monica Mountains, along Mulholland Hwy, 3.4 mi from jct with CA hwy 23 Comment
  CATA421  Ceanothus megacarpus var. insularis Sara L. Crockett 1997-1-18 558 Los Angeles Santa Catalina Island: 2.2 miles NW on Stage Road frm jct. with Middle Ranch Road 365 Comment
  CAS-BOT-BC50478  Ceanothus oliganthus Joseph Andorfer Ewan 1933-5-16 10852 Los Angeles San Gabriel Mts. - Little Santa Anita Canyon Comment
  RSA549782  Ceanothus oliganthus var. oliganthus Wandalee Thompson 1964-4-11 5 Los Angeles Liebre Mtns.: San Francisquito Canyon Road at Powerhouse No. 2, San Francisquito Canyon, Angeles National Forest. 457 Comment
  RSA562578  Ceanothus oliganthus var. oliganthus Steve Boyd, W. Appleby 1993-4-22 7992 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  RSA642711  Ceanothus oliganthus var. oliganthus Orlando Mistretta 1992-7-13 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  UC1071382  Ceanothus spinosus A. D. Gifford 1934-5-15 239 Los Angeles w side of Trancas Canyon Triunfo Pass Quadrangle, Trancas Canyon Comment
  UC1071383  Ceanothus spinosus A. D. Gifford 1934-4-25 167 Los Angeles top Castro Pk.; Triunfo Pass Quadrangle Comment
  UCSB3990  Ceanothus spinosus Wedberg, Lee 1954-4-5 Los Angeles Griffith Park 457 Comment
  CAS-BOT-BC272062  Centaurea melitensis Timothy S. Ross; Steve Boyd 1994-7-7 8161 Los Angeles South base of Liebre Mountain just on the N side of the Kelly Ranch inholding, Upper Cienaga Canyon, Liebre Mountains 1018 Comment
  RSA0055981  Centaurea melitensis Richard G. Swinney 2010-5-25 12979 Los Angeles San Gabriel Mountains; just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  UCR200166  Centaurea melitensis Valerie Soza, Laura A. Moore 2000-5-10 828 Los Angeles Transverse Ranges: Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive at fire gate to powerlines 595 Comment
  UC878344  Centaurium davyi L. W. Nuttall 609 Los Angeles Santa Catalina Island Comment
  SBBG60910  Centromadia pungens subsp. pungens R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  RSA644926  Centromadia pungens subsp. pungens R. E. Riefner s.n. Los Angeles Lancaster, SW of Rte 14 and Rte 138 int. Comment
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Dec 16 2012
  RSA249755  Centrostegia thurberi Robert F. Thorne, Gary D. Wallace 1973-4-25 43362 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  SBBG62324  Centrostegia thurberi R. Hoffmann 1929-5-20 Los Angeles Harold Comment
  UCD166197  Centrostegia thurberi Jack Major 1962-4-15 762 Los Angeles Desert near Pearblossom. (Exact location unkown. Coordinates estimated by label maker.) 930 Comment
  IRVC26159  Cercocarpus betuloides A. C. Sanders, Mark A. Elvin 2003-6-18 26947 Los Angeles around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon Santa Susana Mountains, Western Transverse Range 1037 Comment
  POM6869  Cercocarpus betuloides Philip A. Munz, L. T. Street, G. Williams 1919-4-5 2450 Los Angeles Puddingstone Canyon, San Dimas. Comment
  CAS-BOT-BC142113  Cercocarpus betuloides var. betuloides Carl B. Wolf 1932-5-13 3619 Los Angeles Hamilton Canyon, along ridge fence-line, Santa Catalina Island 243 Comment
  SJSU438  Cercocarpus betuloides var. blancheae A. W. Jacobs 1938-8-11 Los Angeles Summit Dr, Santa Catalina Island Comment
  UC212376  Cercocarpus betuloides var. blancheae G. B. Grant 1906-9-1 7164 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC147718  Cercocarpus betuloides var. traskiae Robert F. Thorne 1967-5-18 36872 Los Angeles Santa Catalina Island: Wild Boar Gully 167 Comment
  RSA449455  Cercocarpus traskiae Blanche Trask 1902-05 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  CAS-BOT-BC279519  Chaenactis artemisiifolia M. E. Jones 1902-6-20 s.n. Los Angeles Mt. Lowe, Pasadena Comment
  RSA603327  Chaenactis artemisiifolia Scott D. White 1997-5-21 5215 Los Angeles San Gabriel River Canyon: N of Azusa; roadside along Highway 39 above San Gabriel Reservoir. 476 Comment
  UC1293686  Chaenactis artemisiifolia P. C. Everett and E. K. Balls 1959-6-2 23840 Los Angeles 1 mi ne of entrance of Stokes Canyon; Santa Monica Mts. 182 Comment
  SFV15344  Chaenactis glabriuscula J. C. Dittes, P. Dittes 1990-3-31 57 Los Angeles San Gabriel Mountains Roadcut on Little Tujunga Canyon Road, 0.5 miles southwest of Gold Creek Road turnoff. 460 Comment
  UCR132318  Chaenactis glabriuscula 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
  UCSC001213  Chaenactis glabriuscula Peter Kamb 1947-6-7 566 Los Angeles Desert foothills of the San Gabriel Mts. above Little Rock San Gabriel Mts., Little Rock 1646 Comment
  POM351756  Chaenactis glabriuscula Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena Comment
  CAS-BOT-BC277335  Chaenactis glabriuscula var. glabriuscula Geo. B. Grant 1902-6-10 s.n. Los Angeles Summit of Mt. Wilson 1828 Comment
  CAS-BOT-BC277377  Chaenactis glabriuscula var. glabriuscula Geo. B. Grant 1913-5-16 5497 Los Angeles Redondo Comment
  SEINET2056590 Image available Chaenactis macrantha George K. Helmkamp, E. A. Helmkamp 1998-5-21 4053 Los Angeles Western Mojave Desert: Junction of Munz Ranch Rd and Lake Elizabeth Rd N of Lake Elizabeth. 1097 Comment
  SEINET13384033 Image available Chaenactis santolinoides R. G. Swinney 2011-1 15310 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  SD253377  Chaenactis stevioides R. G. Swinney 2011-5-31 14929 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  UCR266128  Chaenactis stevioides Orlando Mistretta, Christine Mistretta 2005-4-21 2053 Los Angeles Transverse Range; San Gabriel Mountains, Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station 1341 Comment
  UCR149968  Chaenactis xantiana Scott D. White 2004-5-5 10301 Los Angeles Transverse Range; Liebre Mountains, Bald Mountain area, west of Old Ridge Route 1341 Comment
  SDSU21096  Chamaesyce albomarginata Ian Cain, Bruce Lund 2010-5-10 1406 Los Angeles North west of Lancaster. 420 meters north of intersection of West Avenue C and 170th Street West, just east of road 811 Comment
  UC303784  Chamaesyce melanadenia S. B. Parish 1919-4-19 19261 Los Angeles near San Dimas; Lone Hill Comment
  POM2853  Chamaesyce melanadenia I. M. Johnston 1917-11-30 1806 Los Angeles Mouth of live Oak Canon. Upper Sonoran Zone. 457 Comment
  RSA732920  Cheilanthes covillei R. G. Swinney 1999-8-14 7617 Los Angeles San Gabriel Mtns.: Upper Fish Fork San Gabriel River, c. 0.7 west of junction of Fish Fork Trail on West Dawson Peak Ridge. Comment
  RSA685707  Cheilanthes covillei L. E. Hoffman 1932-5-1 s.n. Los Angeles Iron Mt. South Slope canyon Upper train on way to M. Gleason. Comment
  RSA685794  Cheilanthes newberryi M. B. Dunkle 1939-4-4 s.n. Los Angeles San Clemente Island. Comment
  SFV6933  Chenopodium T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-8-31 642 Los Angeles Santa Monica Mountains Malibu Creek at Tapia Park. 137 Comment
  UCR127391  Chenopodium album A. C. Sanders, Mark Elvin 2002-8-7 25557 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  RSA584943  Chenopodium album Steve Boyd 1990-10-4 5219 Los Angeles Grounds of Rancho Santa Ana Botanic Garden, Claremont. Comment
  UCD97768  Chenopodium album John Thomas Howell 1950-11-9 27479 Los Angeles Devil's Gate Dam, Pasadino. Comment
  UC1136399  Chenopodium ambrosioides var. suffruticosum Jerome S. Horton 1937-9-21 496 Los Angeles stream below Dalton Canyon Dam; Pomona Quadrangle, Dalton Watershed 457 Comment
  CDA3020  Chenopodium berlandieri L. C. Wheeler 1966-10-1 8936 Los Angeles San Gabriel Mtns.; Millie s Orchard, lower Colby Ranch, Coldwater Canyon Comment
  RSA5209  Chenopodium berlandieri var. sinuatum C. B. Wolf 1932-9-13 4064 Los Angeles Bryant Ranch. 250 ft. south of north boundary in SE 1/4 section 27., (about 460 ft. east and 250 ft. south of NW corner of SE 1/4 section 27. T4S, R12W). 5 Comment
  UCR132945  Chenopodium botrys Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  RSA0040464  Chenopodium californicum R. G. Swinney 2010-5-11 12645 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary. 829 Comment
  RSA583077  Chenopodium californicum T. S. Ross 1993-4-22 6884 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft); 1000m ESE of Cactus Peak summit; large [rock] outcrop on NNW side of 1528-ft peak. 447 Comment
  RSA771568  Chenopodium californicum R. G. Swinney 2009-5-6 10666 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  CDA3111  Chenopodium pumilio L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Gould Mesa Picnic Ground. Comment
  RSA7222  Chloris gayana C. B. Wolf 1932-9-16 4121 Los Angeles Bryant Ranch: west side of San Gabriel River Flood Control, S of 7th Street (Long Beach) 3 Comment
  UCR280511  Chlorogalum pomeridianum R. G. Swinney 2014-5-13 16499 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
  JEPS61593  Chlorogalum pomeridianum var. pomeridianum Frank W. Peirson 1918-6-28 10 Los Angeles Lower Rubio Canyon 579 Comment
  RSA639155  Chlorogalum pomeridianum var. pomeridianum Louis C. Wheeler 1973-8-2 s.n. Los Angeles San Gabriel Mountains: Coulter Reservoir, Sunset Ridge. 647 Comment
  SBBG61715  Chorizanthe brevicornu var. brevicornu R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  IRVC26347  Chorizanthe coriacea A. C. Sanders, Andy Thompson 2003-4-15 26016 Los Angeles Newhall Ranch, disturbed alluvial flat ca. 500 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 351 Comment
  JEPS57644  Chorizanthe parryi var. fernandina Samuel B. Parish June 1887 1987 Los Angeles San Fernandino Comment
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Nov 16 2009
  POM2186  Chorizanthe parryi var. fernandina L. R. Abrams 1901-4-4 1337 Los Angeles Chatsworth Park. Comment
  CAS-BOT-BC244669  Chorizanthe staticoides F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  JEPS57799  Chorizanthe staticoides Ralph Hoffmann 1930-7-7 Los Angeles N Los Angeles County. Elizabeth Lake Canyon Comment
  RSA739747  Chorizanthe staticoides John Dittes 2006-6-5 1407 Los Angeles Transverse Ranges, San Gabriel Mtns, Peace Valley, E of Gorman Creek, 4.9 air miles NW of Pyramid Lake Dam, 6.7 air miles SE of Gorman, 0.6 air miles N of Confluence of Gorman Creek and creek passing out of Canada de Los Alamos;, east side of Interstate Hwy5, N and E of Little Bear Road exit. 896 Comment
  UC2043046  Chorizanthe staticoides Barbara Ertter with L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7479 Los Angeles Pine Canyon Road along San Andreas Fault on N side of San Gabriel Mts. (Co Rd N2) Comment
  UC535374  Chorizanthe staticoides Ira W. Clokey, B. Templeton May 1929 4491 Los Angeles Mandeville Canyon , Mandeville Canyon (Santa Monica Mountains) Comment
  RSA682515  Chorizanthe xanti var. xanti Scott D. White, Michael Honer 2003-5-7 9207 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at 'Old Ridge Route.' 427 Comment
  UCR227717  Chorizanthe xanti var. xanti Orlando Mistretta, Christine Mistretta 2010-6-4 5254 Los Angeles San Gabriel Mountains, Monte Cristo Canyon, triutary of Mill Creek Canyon, 3.0 mi southwest of Mill Creek Summit, along SCE transmission line corridor 1372 Comment
  UCR256584  Chorizanthe xanti var. xanti Anuja Parikh, Nathan Gale 2011-6-8 3427 Los Angeles Western Transverse Range; eastern Liebre Mountains, Sierra Pelona, Portal Ridge, 1.5 km west of Godde Hill Road, 1.1 km south of California Aqueduct 1100 Comment
  UCR263068  Chorizanthe xanti var. xanti Mitch Provance 2008-4-14 10146 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  SEINET5344368  Chylismia claviformis subsp. claviformis N. H. Holmgren, P. K. Holmgren 1974-4-6 7639 Los Angeles Antelope Valley, 3 airline miles northeast of Threepoint. 914 Comment
  POM352120  Cichorium intybus Edwin Kline 1924-7-5 s.n. Los Angeles Near Inglewood. Comment
  UCR223662  Cirsium occidentale R. G. Swinney 2009-6-12 11127 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  OBI81605  Cirsium occidentale Jill M. Bushakra, John Bushakra 2001-6-2 112 Los Angeles Pine Canyon, corner of Pine Canyon and Schaffer Roads. 1067 Comment
  IRVC27787  Cirsium occidentale var. occidentale A. C. Sanders 2005-5-11 30196 Los Angeles Santa Clarita area, upper Plum Cyn along Plum Cyn Rd between crest and vernal pool on bench in mid cyn, NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 579 Comment
  UCR223333  Cirsium occidentale var. occidentale R. G. Swinney 2009-5-27 10886 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UCR138701  Cirsium occidentale var. venustum L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Pallett Creek 1280 Comment
  CAS-BOT-BC438760  Cistanthe monandra Peter H. Raven 1962-5-1 17514 Los Angeles Santa Monica Mountains, Corral Canyon Road 5.3 miles north of Coast Highway 579 Comment
  RSA756573  Cistanthe monandra Orlando Mistretta, Christine Mistretta 2008-4-21 2516 Los Angeles Southern California Edison transmission line tower (Segment 6, Structure 42 per TRTP Survey 2008), vicinity of Mill Creek. 1425 Comment
  RSA247428  Cistus ladanifer Jack Delaini 1974-5-9 197 Los Angeles a few plants scattered along S side of Johnstone Peak Rd. at head of canyon 853 Comment
  UCR48950  Citrus limon A. C. Sanders 1987-10-13 7421 Los Angeles Southern coast, El Segundo Dunes west of Los Angeles International Airport and Peshing Drive 38 Comment
  SBBG60272  Clarkia amoena M. N. Ackley -Aug-1925 744 Los Angeles Eagle Rock 182 Comment
  JEPS26606  Clarkia bottae Peter Kamb 1948-6-26 1132 Los Angeles near Ant Canyon (s side of Pacoima Canyon); San Gabriel Mts. 731 Comment
  LA15536  Clarkia bottae W. O. Griesel; 1936-6-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  LA200698  Clarkia bottae Harlan Lewis; Margaret Lewis 1946-7-14 31 Los Angeles Santa Monica Mountains, North Sepulveda Way 0.6 mi. from Sepulveda Blvd Comment
  RSA448240  Clarkia bottae Frances Runyan 1973-5-24 66 Los Angeles Agua Dulce Canyon Road, near junction of Lancaster-Palmdale Highway. 610 Comment
  SBBG28051  Clarkia bottae I. W. Clokey, B. Templeton -May-1929 Los Angeles Mandeville Cyn 250 Comment
  RSA162766  Clarkia dudleyana J. D. Olmsted 1959-6-11 646 Los Angeles Evey Canyon, 1/2 mile west of junction with San Antonio Canyon NE of Claremont. Mt. Range: San Gabriel Mountains; Drainage Area: San Antonio Creek Comment
  RSA627098  Clarkia dudleyana Scott D. White 1998-6-10 6713 Los Angeles San Antonio Canyon: About 1.5 air miles north of San Antonio Dam. Shinn Rd. (=Mountain Ave.) bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station. 762 Comment
  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
  UCSB49165  Clarkia dudleyana Lestak, Leanne 1978-5-19 Los Angeles California 65 north to Famoso-Woody Rd, then east to Bakersfield-Glennville Rd, make a left and travel east about 51/2 miles; On right side of road 487 Comment
  CAS-BOT-BC172014  Clarkia epilobioides Robert F. Thorne; P. Everett 1965-5-12 34627 Los Angeles Bulrush Canyon, Santa Catalina Island 243 Comment
  CAS-BOT-BC163699  Clarkia purpurea subsp. quadrivulnera John H. Thomas 1957-5-3 6721 Los Angeles Chaparral covered hills north of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  RSA448281  Clarkia purpurea subsp. quadrivulnera Samuel R. Tyson 1942-5-29 s.n. Los Angeles San Dimas Canyon. Comment
  RSA591068  Clarkia purpurea subsp. quadrivulnera J. Mark Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10917 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 mi from intersection with Sierra Hwy. Around a vernal pool on shelf above Plum Canyon and Arline Rd. Pool not evident from road. 610 Comment
  UCR223139  Clarkia rhomboidea R. G. Swinney 2009-7-22 11356 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA303917  Clarkia rhomboidea Jim R. Shevock 1970-4-24 146 Los Angeles Base of San Gabriel Mountains. Sylmar. 389 Comment
  RSA0073360  Clarkia unguiculata R. G. Swinney 2010-6-21 13304 Los Angeles 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail. 951 Comment
  UC1122465  Clarkia unguiculata A. D. Gifford 1935-5-8 679 Los Angeles 2 1/2 mi s Warm Springs; Angeles National Forest, Tejon Quadrangle Comment
  SEINET10969625  Clarkia unguiculata Tim Holtsford 1992-5-31 Holtsford 920531 -1-A Los Angeles Mandeville canyon rd, just n and across the st from 3676 canyon rd. Coastal sage-scrub with oaks, sycamores, elderberry, many cultivar. Comment
  SD215628  Claytonia exigua subsp. exigua Steve Boyd, Lauren Raz 1997-3-14 9164 Los Angeles Lower north flank of Liebre Mountain, eastern slope of Horse Camp Canyon. 1390 Comment
  SBBG130736  Claytonia parviflora S. A. Junak 2000-4-1 SCa 1162 Los Angeles E side of Cherry Cyn, ca. 0.1 mi from rd to camp, along main rd 67 Comment
  CHSC83679  Claytonia parviflora subsp. parviflora John Dittes 1990-6-7 77 Los Angeles Transverse Range; San Gabriel Mts., Canyon of Big Tujunga Creek; ca. 1.2 air miles northeast of dam. 922 Comment
  RSA563506  Claytonia parviflora subsp. parviflora Timothy S. Ross, W. Appleby 1993-5-13 7118 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
  RSA613169  Claytonia perfoliata subsp. perfoliata Bill Campbell 1932-3-19 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  UCR227605  Claytonia rubra subsp. rubra Orlando Mistretta, Christine Mistretta 2010-5-26 5199 Los Angeles San Gabriel Mountains, Upper Mill Creek Canyon drainage, south of Mill Creek Summit, along Southern California Edison transmission line corridor 1463 Comment
  UCSB1951  Clematis lasiantha Wedberg, Lee 1954-5-10 Los Angeles Seco Cyn; Upper Arroyo 914 Comment
  HSC24470  Clematis ligusticifolia R. F. Thorne, M. Z. Thorne 1969-7-10 38438 Los Angeles Angeles National Forest, 1.5 miles W of Wrightwood 1951 Comment
  UCR216900  Clematis pauciflora R. G. Swinney 2009-2-20 10022 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  RSA358486  Cleome isomeris R. F. Thorne 1973-09 44723 Los Angeles Santa Catalina Island. Blue Cavern Point Comment
  RSA6069  Cleomella obtusifolia C. B. Wolf 1932-9-15 4086 Los Angeles About 2 blocks west of center of town of Lancaster. Antelope Valley, Mojave Desert. Comment
  UC729472  Cleomella obtusifolia Carl B. Wolf 1932-9-15 Los Angeles 2 blocks w center of town of Lancaster; Mojave Desert, Antelope Valley 718 Comment
  SBBG31383  Clinopodium douglasii R. F. Thorne with P. C. Everett 1965-5-12 34626 Los Angeles Bullrush Cyn 243 Comment
  RSA0115837  Clinopodium douglasii Steven A. Junak 1999-7-15 SCa- 1033 Los Angeles Santa Catalina Island. Bulrush Canyon, just upstream from SCa-1027. 243 Comment
  POM265773  Collinsia callosa J. C. Roos 1937-5-31 2032 Los Angeles Near Big Pines, north side of San Gabriel Mountains. Comment
  JEPS6200  Collinsia childii Frank W. Peirson 1920-5-28 2156 Los Angeles Bear Canyon San Gabriel Mountains ((San Antonio tributary)) 1371 Comment
  UCR256603  Collinsia childii Anuja Parikh, Nathan Gale 2011-7-5 3536 Los Angeles Transverse Ranage; San Gabriel Mountains, along road to Barley Flats, 3.9 km west of Shortcut Station, 1.1 km north of State Hwy 2, Angeles Crest Hwy 1665 Comment
  UCR175049  Collinsia concolor Vanessa Lee 2005-4-10 s.n. Los Angeles San Gabriel Mtns. Foothills, Eaton Canyon Park, Pasadena, north of I-210 off Altadena Dr. 305 Comment
  RSA616266  Collinsia heterophylla Scott D. White 1998-5-15 6497 Los Angeles Soledad Canyon area: proposed quarry area N of Soledad Canyon. Road., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Cyn. 579 Comment
  UCR140422  Collinsia heterophylla June Latting 1958-5-11 322 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Hwy 2 miles west of Seminole Hot Springs 549 Comment
  CAS-BOT-BC240950  Collinsia parryi Geo. B. Grant 1905-5-4 s.n. Los Angeles Pasadena Comment
  RSA0117338  Collinsia parryi Anstruther Davidson 1890-05 s.n. Los Angeles Arroyo, Pasadena. Comment
  RSA0117385  Collinsia parryi F. W. Peirson 1920-5-28 4491 Los Angeles San Antonio Canyon, San Gabriel Mountains. 1524 Comment
  UC885564  Collinsia torreyi var. brevicarinata Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles Big Pines Camp; San Gabriel Mtns Comment
  SEINET10317249 Image available Collinsia wrightii Wesley O. Griesel 1962-6-6 Los Angeles Dawson Saddle, San Gabriel Mountains 2438 Comment
  CDA34295  Colutea arborescens M. O'Brien 2006-10-1 06 6 a Los Angeles San Gabriel Mountains; East Fork San Gabriel River, East Fork parking area. Cattle Canyon. Comment
  SFV21106  Conium maculatum L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1107 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Entered west of Haines Canyon Park off of Estepa Drive in Tujunga. Followed ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 Freeway. South of freeway will drain into La Tuna Canyon. South of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south or and you can see the 210 Freeway. 457 Comment
  SD79013  Constancea nevinii R. Mitchel Beauchamp 1967-1-28 131 Los Angeles San Clemente Island, at Eel Point Comment
  RSA0002498  Convolvulus aridus subsp. intermedius Anonymous 1899-04 311 Los Angeles Inglewood-near. Comment
  HSC5501  Conyza canadensis W. H. Kinch 1954-9-30 16 Los Angeles Padua Ave. N Claremont, San Antonio Wash. 335 Comment
  RSA611363  Conyza canadensis L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  RSA755625  Cordylanthus nevinii R. G. Swinney 2008-7-15 9205 Los Angeles Winston Peak. 2275 Comment
  RSA600207  Cordylanthus rigidus subsp. setiger Steve D. Boyd, Lauren Raz 1997-5-28 9893 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  RSA549141  Cordylanthus rigidus subsp. setiger Tim S. Ross 1992-7-16 6698 Los Angeles San Gabriel Mountains: ridgeline between Iron Mountain and Condor Peak; 134 degrees SE, 1020m distant from Iron Mountain summit. 1479 Comment
  UC485342  Coreopsis gigantea C. F. Millspaugh 1920-1-22 4630 Los Angeles Bird Rock Santa Catalina Island, Bird Rock Comment
  JEPS30645  Corethrogyne filaginifolia Peter H. Raven and Henry J. Thompson 1959-6-4 14332 Los Angeles Point Dume; Santa Monica Mountains 45 Comment
  POM356128  Corethrogyne filaginifolia M. B. Dunkle 1931-4-22 2452 Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  RSA643165  Corethrogyne filaginifolia Orlando Mistretta 1994-5-13 1202 -a Los Angeles San Gabriel Mountains: Little Rock Creek Management Section; Little Rock Section. Comment
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Jan 20 2015
  RSA653525  Corethrogyne filaginifolia var. filaginifolia LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 287 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway. 915 Comment
  CAS-BOT-BC427741  Crassula connata Le Roy Abrams 1901-4-1 1208 Los Angeles Ballona Harbor Comment
  SFV1573  Crassula connata K. A. Wilson 1961-3-16 1032 Los Angeles Santa Monica Mountains Point Dume. Summit of Birdview and Cliffside Drive. Sandy field. 38 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
  CAS-BOT-BC175845  Crossosoma californicum Robert F. Thorne; P. C. Everett 1964-2-6 33297 Los Angeles Above Fourth of July Cove. Santa Catalina Island 30 Comment
  CATA680  Crossosoma californicum Mark L. Hoefs 1991-4-23 1171 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  UCR141446  Crossosoma californicum June Latting, Bibb Latting 1975-3-23 s.n. Los Angeles Channel Islands, Santa Catalina Island, Black Jack Mountain 610 Comment
  PASA690  Croton californicus Annetta Carter 1928-1-29 Los Angeles Base of Sierra Madre Mts. Comment
  UCR61057  Croton setiger R. G. Swinney 1989-6-30 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon, Big Dalton Canyon Road, 1.4 mi. NE of Glendora Mountain Road 442 Comment
  SEINET10841047  Croton setiger Thorsted 1970-8-20 THORSTED UMO 73082 Los Angeles On a slope bounding campus of California State College at Los Angeles; low broad annual herb 12 in high; common in disturbed area; growing on W-facing slope in full sun. 122 Comment
  UCR282038  Cryptantha barbigera var. barbigera R. G. Swinney 2014-4-24 16203 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  POM368339  Cryptantha circumscissa N. C. Cooper 1948-4-21 2725 Los Angeles Little Rock. 762 Comment
  SEINET7063088  Cryptantha circumscissa A. G. Vestal 1963-5-22 s.n. Los Angeles San Gabriel Mountains southeast of Bobs Gap on Big Pines Road. UTM Zone 11, 428035mE, 3808604mN. (WGS84/NAD83). 1571 Comment
  UCR141164  Cryptantha circumscissa June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near Hi Vista, vicinity of Ave G at 200th St. East, Antelope Valley 945 Comment
  LA204177  Cryptantha circumscissa var. circumscissa Carl Epling; May 1925 sn Los Angeles Mint Canon Comment
  UC551793  Cryptantha clevelandii Ivan M. Johnston 1932-3-28 10620 Los Angeles hills between Del Rey and El Segundo 25 Comment
  UCR209221  Cryptantha echinella R. G. Swinney 2008-6-17 9051 Los Angeles San Gabriel Mountains, ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  RSA710701  Cryptantha intermedia Valerie Soza, Susan Caplow 2003-4-11 1633 Los Angeles Brand Park vicinity, upper Brand Canyon, alongside Brand Park Mtwy. 549 Comment
  SBBG63749  Cryptantha intermedia M. N. Ackley -Mar-1927 35 Los Angeles Baldwin Hills 76 Comment
  UC56861  Cryptantha intermedia Harley P. Chandler 1897-2-6 Los Angeles Claremont 487 Comment
  UCR71184  Cryptantha intermedia Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4382 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  SDSU5402  Cryptantha intermedia R. M. Beauchamp 1967-6-3 554 Los Angeles San Clemente Island. 427 Comment
  UCD67373  Cryptantha intermedia Natalie deGarder 1992-5-30 24 Los Angeles Altadena, 1.5 mi. off Highway 210 up Lincoln Rd to top of Rising Hill Road. Growing in full sun on a steep, dry slope in riparian oak woodland/chaparral with grasses, oaks, Ceanothus, and Phacelia dominant. 1 foot tall, basal rosette of linear leaves, pale yellow hairs, many strongly curved helicoid cymes of white flowers. Abundant. 589 Comment
  UCR157744  Cryptantha leiocarpa A. C. Sanders 1988-5-18 7826 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  UC306233  Cryptantha micrantha I. Johnston 1917-5-13 27 R Los Angeles San Gabriel Wash 152 Comment
  IRVC28850  Cryptantha micrantha var. lepida Mark A. Elvin, Cathleen Weigand 2003-4-7 2451 Los Angeles Newhall Ranch Commerce Center, S of Castaic Creek, N of SR 126 Santa Clarita Valley 297 Comment
  RSA653843  Cryptantha micromeres Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 767 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 518 Comment
  UCR270017  Cryptantha micromeres R. G. Swinney 2010-3-24 12049 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
  RSA0076102  Cryptantha microstachys L. R. Abrams 1901-4-1 1203 Los Angeles Ballona Harbor. Comment
  RSA17766  Cryptantha microstachys C. Epling 1931-5-9 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  UCR272013  Cryptantha muricata R. G. Swinney 2010-4-28 12419 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
  RSA0079624  Cryptantha muricata var. muricata David Charlton 1991-5-21 5235 Los Angeles Ritter Ridge, city park site, south of 30 St west terminus. Rolling steel ridges formed by San Andreas fault. 1037 Comment
  UCR189268  Cryptantha nevadensis var. rigida R. G. Swinney 1998-5-16 6078 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR222818  Cryptantha nevadensis var. rigida R. G. Swinney 2009-4-29 10579 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  UCR99357  Cryptantha nevadensis var. rigida Steve Boyd, Lauren Raz 1997-4-16 9527 Los Angeles San Gabriel Mtns., NW end of range, Peace Valley due south of the junction of Interstate 5 and Hwy 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service Road 8N01. 960 Comment
  RSA757214  Cryptantha nevadensis var. rigida Orlando Mistretta, Christine Mistretta 2008-4-3 2281 Los Angeles Southern California Edison transmission line tower (Segment 5, Structure 63, per TRTP survey 2008) just North of State Hwy 14 in the vicinity of Soledad Pass Comment
  RSA0039258  Cryptantha pterocarya Ed Kentner, Onkar Singh 2014-4-4 369 Los Angeles Western Mojave Desert, approx. 3.3 km northeast of Valyermo along Bob's Gap Road approx. 1.6 km southeast of the aqueduct 1126 Comment
  UCR65553  Cryptantha traskiae Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-29 801 3 Los Angeles South Channel Islands, San Clemente Island, main dune area at Darter Road. NW part of island 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
  SEINET10625784 Image available Cucurbita pepo Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2582 Los Angeles City of San Gabriel. Howie's Ranch Market, 6580 N. San Gabriel. Comment
  UCR114625  Cupressus arizonica S. Bellavia 1995-6-24 s.n. Los Angeles Puente Hills, La Habra Comment
  RSA0091496  Cuscuta R. G. Swinney 2010-3-13 11892 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  POM3645  Cuscuta californica L. R. Abrams 1902-7-5 2654 Los Angeles Azusa. 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
  CDA5578  Cuscuta reflexa T. C. Fuller 1969-10-23 19021 Los Angeles On the north side of biology building, California State College at Los Angeles, northwest of the San Bernardino & Long Beach Freeways, Los Angeles. 0 Comment
  UC144398  Cuscuta subinclusa C. F. Baker 1903-10-20 3954 Los Angeles Claremont San Antonio Canyon Comment
  UCR255477  Cyclospermum leptophyllum Dan S. Cooper 2014-6-26 614- 22 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Lower Sennett Canyon adjacent to Forest Lawn cemetery, at Forest Lawn Dr. 155 Comment
  UCR261629  Cylindropuntia californica var. parkeri R. G. Swinney 2010-4-1 12170 Los Angeles Hansen Dam Basin, within 200 meters east of Orcas Park, 50 meters north of stream channel of Big Tujunga Wash 331 Comment
  RSA623811  Cynodon dactylon K. Scott 1921-2-8 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  SBBG131914  Cyperus S. A. Junak 2000-6-29 SCa 1352 Los Angeles just E of Middle Ranch Rd, ca. 1.1 mi from intersection with Airport Rd 289 Comment
  SD144509  Cyperus eragrostis Scott White 1996-5-15 4042 Los Angeles Marina Del Rey area; Ballona Ck. floodplain W of Lincoln Bl. and S of Jefferson Bl. 3 Comment
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Jul 18 2010
  RSA365127  Cyperus eragrostis Robert Gustafson 1980-4-29 2216 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA365089  Cyperus esculentus Louis Greata 1900-08 s.n. Los Angeles [Los Angeles] University. Comment
  RSA746842  Cyperus involucratus R. G. Swinney 2008-4-30 8698 Los Angeles Glendora, Big Dalton Canyon Debris Basin 341 Comment
  RSA507546  Cystopteris fragilis L. C. Wheeler 1967-9-2 10618 Los Angeles San Gabriel Mountains: Devil's Canyon, ca. 1/4 mile downstream from Devil's Canyon-Little Bear Creek Saddle 1951 Comment
  POM364987  Dactylis glomerata Gene Ronald 1953-5-12 s.n. Los Angeles University of Southern California Campus. Comment
  UCR108458  Dactylis glomerata L. C. Wheeler 1975-9-22 s.n. Los Angeles San Gabriel Mtns., Susanna Canyon, 0.25 mi upstream from the mouth [San Gabriel Reservoir] Comment
  SEINET10486084  Dalea schottii David B. Dunn, Harold L. Lint 1948-1-24 Dunn 3614 Los Angeles Found in an area of some die bach but generally of new foliage growth in the Lower areas of water collection. Other plants not leafed out yet, but definitely Living; probably one of the most drought resistent plants. Comment
  SFV7534  Datisca glomerata T. Gordon, K. Kimbrough, M. H. Grayum, K. A. Wilson, B. Collins, D. Brown, A. Starrett, G. Poseley 1975-5-26 1002 Los Angeles Santa Monica Mountains Malibu Creek at Goat Buttes. 183 Comment
  SBBG118483  Datura wrightii O. Mistretta 1992-7-13 690 Los Angeles Los Pinetos Spring Cyn Trail Comment
  OBI9197  Datura wrightii Bill Arbaugh 1966-5-28 s.n. Los Angeles lIttle Tajunga Cyn Comment
  RSA80390  Daucus pusillus F. W. Peirson 1919-6-7 500 Los Angeles Cow Canyon divide, San Antonio Creek Region 1372 Comment
  SBBG14049  Daucus pusillus P. H. Raven 1962-5-22 17824 Los Angeles beyond Emerald Bay 121 Comment
  SBBG52778  Daucus pusillus M. B. Dunkle 1939-4-6 Los Angeles Mosquito Harbor Comment
  UC1018427  Daucus pusillus Francis M. Ball May 1948 Los Angeles Sepulveda Blvd. 1 mi. w. of tunnel Santa Monica Mts. Comment
  UC1349337  Daucus pusillus Robert F. Thorne and P. Everett 1965-6-22 34897 Los Angeles upper portion along roadside Avalon Canyon; Santa Catalina Isl., Avalon Canyon 274 Comment
  SBBG11604  Deinandra clementina P. H. Raven 1962-5-7 17575 Los Angeles Wilson Cove 45 Comment
  SD48938  Deinandra clementina Reid Moran 1958-9-15 6832 Los Angeles San Clemente Island; Canyon 1.8 miles southeast of Eel Point. 99 Comment
  CAS-BOT-BC299287  Deinandra fasciculata Le Roy Abrams 1900-8-8 859 Los Angeles Monrovia Comment
  LA200233  Deinandra fasciculata Dr. Woodhouse; 1940-5-26 sn Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  SBBG130726  Deinandra fasciculata S. A. Junak 2000-7-1 SCa 1368 Los Angeles just NW of reservoir in upper Cape Cyn 329 Comment
  CAS-BOT-BC299296  Deinandra fasciculata Carl Epling; J. Ewan 1933-7-7 7598 Los Angeles Head of Topango Canyon, Santa Monica Mts. Comment
  SFV11727  Deinandra minthornii G. F. Fisler, J. W. Dole 1980-5-8 s. n. Los Angeles Santa Susana Mountains Chatsworth. Iverson Road and the Simi Valley Freeway. Comment
  SFV9753  Deinandra minthornii J. W. Dole, G. F. Fisler 1977-10-28 s. n. Los Angeles Santa Susana Mountains Chatsworth. Diamond Bar Ranch. Edge of Simi Freeway among the big rocks. Comment
  UC854180  Delphinium parryi Ira W. Clokey, B. Templeton May 1929 4555 Los Angeles ridge Santa Monica Mountains, Mandeville Canyon 500 Comment
  LA82452  Delphinium parryi subsp. parryi O. H. Kappler; 1940-5-12 9 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SBBG122107  Delphinium parryi subsp. parryi A. Parikh, N. Gale 2003-5-24 736 Los Angeles Plum Cyn, 1.3 km SSW of Cruzan Mesa, 2.1 km W of Sierra Hwy 622 Comment
  UC2029978  Delphinium patens Orlando Mistretta 1993-6-2 845 Los Angeles SAN GABRIEL MOUNTAINS: Vicinity of Mt. Baden Powell. Near vincent Gap; north slope of Mt. Baden Powell above Vincent Gulch. Comment
  OBI10615  Delphinium patens subsp. hepaticoideum Bill Arbaugh 1966-4-27 s.n. Los Angeles Tapia Park 152 Comment
  UCR79370  Delphinium patens subsp. montanum Steve Boyd, Walter Appleby 1993-4-22 7984 Los Angeles Western San Gabriel Mtns., north of Sylmar & south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Near Los Pinetos Spring, at the head of Los Pinetos Canyon 976 Comment
  RSA0030016  Delphinium patens subsp. montanum Steve Boyd, W. Appleby 1993-4-22 7984 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  RSA0102437  Delphinium variegatum subsp. thornei Orlando Mistretta 1992-4-5 138 Los Angeles Guds, San Clemente Island. Comment
  SBBG13697  Dendromecon harfordii P. H. Raven 1962-5-20 17784 Los Angeles Airport Rd on main ridge about 1.5 mi W of Middle Ranch turnoff Comment
  UCSB11265  Dendromecon harfordii Hancock, Dan 1961-3-31 Los Angeles 1.4 miles No. of China wall on Catalina Island, 50 ft. W. of Coach Rd. Comment
  UCR271561  Dendromecon rigida R. G. Swinney 2011-5-19 14788 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg. SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. 1018 Comment
  SEINET3347420 Image available Deschampsia danthonioides David Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8027 Los Angeles Mojave Desert; Antelope Valley, N of Lancaster, where Amargosa Creek jct of Sierra Highway and Avenue E, c. 150 m W of Hwy and just S of Ave E 701 Comment
  UCR121217  Descurainia pinnata 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
  UCR186665  Descurainia pinnata A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32065 Los Angeles Tehachapi Mtns. Foothills, along the road to the National Cement Plant, between Hwy 138 and the California Aqueduct 1037 Comment
  RSA599612  Descurainia pinnata subsp. glabra Steve Boyd, Lauren Raz 1997-4-16 9506 Los Angeles Liebre Mountains region: Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5. 853 Comment
  RSA161201  Descurainia pinnata subsp. menziesii P. H. Raven 1962-3-27 16997 Los Angeles Palos Verdes Hills along Palos Verdes Drive 1.4 miles east to Portugese Bend. Comment
  CAS-BOT-BC402262  Dicentra chrysantha Alice Eastwood 1906-5-27 266 Los Angeles Country adjacent to Los Angeles. Roscoe Comment
  RSA306159  Dicentra chrysantha Henry J. Ramsey, Henry J. Ramsey 1937-9-2 s.n. Los Angeles Angeles Crest Highway. Comment
  UC1922330  Dichelostemma capitatum Gary Kovnat with LeRoy Gross 2003-2-16 27 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  UCR108286  Dichelostemma capitatum Matilda Low 1997-3-16 21 Los Angeles Claremont, Bernard Biological Field Station (Claremont Colleges). NW corner of Mills Ave & Foothill Blvd. 412 Comment
  UCR125417  Dichelostemma capitatum A. C. Sanders, Mark Elvin 2003-3-5 25739 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  SFV15613  Dichelostemma capitatum B. de Guzman, A. Agdaian, L. Mesropi May 1992 1 Los Angeles Santa Monica Mountains Las Virgenes Road towards Malibu State Park entrance. Northeast facing hillside. Comment
  LA21929  Dichelostemma capitatum subsp. capitatum Carl Epling; L. Ellison 1930-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  SD84771  Dichelostemma capitatum subsp. capitatum Reid Moran 1941-3-11 699 Los Angeles In cactus and brush, ridge north of Middle Ranch, Santa Catalina Island. 249 Comment
  CAS-BOT-BC152892  Diplacus brevipes Geo. L. Moxley 1922-5-1 s.n. Los Angeles Mint [Canon] Canyon Comment
  SBBG31496  Diplacus puniceus R. M. Beauchamp 1967-3-20 342 Los Angeles above Beach Rd, S of Avalon Comment
  SD69615  Diplacus puniceus Robert F. Thorne, P. Everett 1965-5-10 34462 Los Angeles on NW slope of Black Jack Mt., Santa Catalina Island 487 Comment
  UC53555  Distichlis spicata H. P. Chandler 1902-9-9 2027 Los Angeles Ballona Marshes Comment
  UC817161  Distichlis spicata F. R. Fosberg 1931-5-14 718 Los Angeles Middle Ranch Canyon, near mouth of Cape Canyon Comment
  CAS-BOT-BC41903  Dithyrea maritima Geo. B. Grant 1898-3-7 5756 Los Angeles 2 miles north of Rodondo. Comment
  UCR204436  Dodecatheon clevelandii R. G. Swinney 2003-5-12 8202 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, c. 0.5 mi. S of Big Dalton Cyn. Rd. and c. 0.9 mi. E of Glendora Mtn. Rd., 100 yds N of Big Cienega Spring Rd. 610 Comment
  CHSC1392  Dodecatheon clevelandii subsp. clevelandii Sonia R. Westerberg 1938-5-1 Los Angeles San Gabriel Mts. Comment
  RSA461368  Dodecatheon clevelandii subsp. sanctarum Ora M. Clark 1929-3-24 1773 Los Angeles S. Santa Susana Mtns. Comment
  RSA729209  Dodecatheon redolens R. G. Swinney 1998-9-7 6936 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  UC1532958  Drymocallis cuneifolia var. ewanii R. F. and M. Z. Thorne 1969-7-10 38352 Los Angeles ca 1 1/2 mi se Dawson Saddle (along Angeles Crest Hwy, near Lodgepole Picnic Ground); San Gabriel Mts, Angeles National Forest 2316 Comment
  RSA655620  Drymocallis glandulosa var. glandulosa D. E. Bramlet 1976-5-15 73 Los Angeles California State Polytechnic University campus. Found in the bottom of Box Canyon. 282 Comment
  CAS-BOT-BC67943  Dryopteris arguta C. F. Baker 1903-8-2 3660 Los Angeles San Antonio Canyon near Claremont Comment
  LA200098  Dryopteris arguta Lawrence L. Kiefer; 1966-3-12 1681 Los Angeles SANTA MONICA MOUNTAINS, Zuma Canyon, E-fork, ca 0.75 mi S of Calamigos. 487 Comment
  RSA0089429  Dryopteris arguta R. G. Swinney 2011-3-17 14128 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  SEINET6409456  Dryopteris arguta G. B. Grant 1904-4-24 326 Los Angeles Sierra Madre Mts. 1524 Comment
  POM296522A  Dudleya Lyman Benson, Joseph Lanjouw, Robert Benson 1953-5-2 15115 Los Angeles Catalina Island. White's Landing 15 Comment
  UCD101873  Dudleya caespitosa Daryl Koutnik 1978-4-28 426 Los Angeles Point Dume near Zuma Beach. 45 Comment
  CAS-BOT-BC428123  Dudleya cymosa subsp. cymosa LeRoy Abrams 1902-7-1 2623 Los Angeles Little Santa Anita Canon [Canyon] 762 Comment
  RSA561819  Dudleya cymosa subsp. pumila Steve Boyd, Orlando Mistretta 1993-6-3 8173 B Los Angeles north of Sylmar and south of Santa Clarita. North of Santa Clara Rd (3N17.9) at head of eastern-most canyons 914 Comment
  RSA641380  Dudleya cymosa subsp. pumila Orlando Mistretta 1995-6-23 1827 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. Orobanche valida survey site 2. 1829 Comment
  SEINET10907130  Dudleya hassei Jon Ricketson, Heidi H. Schmidt 1992-10-19 Ricketson 4768 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Gardens, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  SBBG52614  Dudleya virens subsp. hassei F. R. Fosberg 1931-4-7 4502 Los Angeles Hamilton Beach 5 Comment
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Apr 5 2011
  UCR217826  Dysphania multifida Dan S. Cooper 2010-7-7 710- 86 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UC1870175  Echium candicans LeRoy Gross 2004-3-19 1207 Los Angeles Transverse Ranges; Verdugo Mountains region; San Rafael Hills: North section of hills; Gate # 4 Along Ridge Motorway (dirt road) at corner of Camino San Rafael and Flintridge drive. Near 34.18091N, 118.21176W. 502 Comment
  RSA611632  Elatine brachysperma Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10114 Los Angeles Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 609 Comment
  UCD169229  Eleocharis R. G. Swinney 2009-5-28 10924 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR187244  Eleocharis A. C. Sanders 2006-5-16 32333 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
  UCR214651  Eleocharis A. C. Sanders, Dan S. Cooper 2010-4-30 38142 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR261778  Eleocharis R. G. Swinney 2010-9-13 13820 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  UCR271829  Eleocharis macrostachya R. G. Swinney 2011-6-23 15297 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCR204567  Eleocharis montevidensis R. G. Swinney 2005-8-5 8384 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  POM1364  Eleocharis palustris I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  RSA188247  Eleocharis palustris Robert F. Thorne, Percy C. Everett 1965-6-23 34976 Los Angeles Santa Catalina Island: Hay Press Reservoir. 412 Comment
  RSA188252  Eleocharis palustris Robert F. Thorne, Percy C. Everett 1965-6-23 34982 Los Angeles Santa Catalina Island: Hay Press Reservoir. 412 Comment
  RSA533910  Eleocharis palustris Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5182 Los Angeles San Clemente Island; SE end of island in the vicinity of Knob, 5100 ft NW of Guds. About 250 feet SSE of Knob, approaching Knob Canyon 282 Comment
  UCR162638  Eleocharis rostellata Anuja Parikh, Nathan Gale 2004-6-17 2051 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 44) in vicinity of confluence of Castaic Creek and Santa Clara River 290 Comment
  POM156358  Elymus X gouldii Le Roy Abrams 1902-6-10 2506 Los Angeles Edge of sand dunes,Playa del Rey. Comment
  IRVC27983  Elymus condensatus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26118 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  UCR181266  Elymus elymoides R. G. Swinney 1997-6-13 5579 Los Angeles San Gabriel Mtns, south of Pinon Hills, c. 1.1 mi. NE of Table Mountain, summit of ridge just west of San Bernardino Co. line 1841 Comment
  SEINET10564718  Elymus elymoides LeRoy R. Abrams 1902-6-29 Abrams 2597 Los Angeles Open pine forests, Mt. Wilson. Comment
  RSA597444  Elymus elymoides subsp. elymoides Timothy S. Ross, Steve Boyd 1995-6-29 8661 Los Angeles Near west summit of LIEBRE MOUNTAIN 1707 Comment
  SD234241  Elymus glaucus A. C. Sanders 2003-5-1 26249 Los Angeles Western San Gabriel Mtns.: SE side of Castiac Mesa, east of Lake Hughes Rd., and the filtration plant, Newhall Ranch (Newhall 7.5' Q) 395 Comment
  CAS-BOT-BC206748  Elymus glaucus subsp. glaucus G. B. Grant 1902-6-10 5109 Los Angeles Summit Mt. Wilson Comment
  RSA578135  Elymus glaucus subsp. glaucus Timothy S. Ross, Walter Appleby 1993-5-13 7132 Los Angeles Western San Gabriel Mountains: off the E ridge between Whitney Canyon and Los Pinetos Spring, NE side of 3151 ridgetop knoll, above margin of tributary draining NE to Los Pinetos Canyon. 878 Comment
  RSA720615  Elymus glaucus subsp. glaucus Naomi Fraga, Bill Hogshead 2006-5-31 1685 Los Angeles Along the Santa Clara Divide Road, between Indian Canyon and North Fork Station. Comment
  SEINET4208312  Elymus glaucus subsp. glaucus Louis C. Wheeler 1967-5-24 9745 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth.; 0 701 Comment
  POM359948  Elymus multisetus Anstruther Davidson 1890-04 s.n. Los Angeles [no locality information provided] Comment
  SEINET10807096  Elymus stebbinsii subsp. septentrionalis LeRoy R. Abrams Abrams 1735 Los Angeles Ballina Harbor. Comment
  SEINET5644504  Elymus trachycaulus subsp. trachycaulus Louis C. Wheeler 1966-8-21 8844 Los Angeles San Gabriel Mountains: northwest Mount Burnham.; 0 Comment
  CATA1686  Elymus triticoides Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-18 2981 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon 219 Comment
  UCD119217  Emmenanthe penduliflora Lisa Peralta 1996-5-13 s.n. Los Angeles Santa Susana Mts. Towsley cyn. 1 mi. W of the Old Road. Comment
  UCR126723  Emmenanthe penduliflora A. C. Sanders, Mark Elvin 2003-4-14 25968 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
  RSA781010  Encelia actoni R. G. Swinney 2009-5-13 10769 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1122 Comment
  UC1118036  Encelia actoni A. Lewis 1933-4-20 183 Los Angeles 1 mi ne Vincent Station; Elizabeth Lake Quad. 975 Comment
  UCR280535  Encelia actoni R. G. Swinney 2014-4-10 16027 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  RSA93904  Encelia actoni F. W. Peirson 1921-5-19 4144 Los Angeles Little Rock Creek, north base of San Gabriel Mts. 915 Comment
  OBI35613  Encelia californica Rebecca Cicoria 1981-4-23 18 Los Angeles 1/2 mi SW of rolling Hills Fire Station Comment
  SBBG50379  Encelia californica R. Moran, R. M. Beauchamp, T. Oberbauer 1975-8-24 22698 Los Angeles San Clemente Island 110 Comment
  UCR258573  Encelia farinosa R. G. Swinney 2010-3-10 11810 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  RSA383901  Ephedra nevadensis M. Maslow 1968-3-10 11 Los Angeles Mohave Desert. 1.1 miles east of Pearblossom, off of Calif. Hwy. 118 [138] 312 Comment
  LA206171  Epilobium canum J. A. Ewan; 1930-10-22 3435 Los Angeles Bouquet Canyon, 5 mi. above of mouth 731 Comment
  CAS-BOT-BC166195  Epilobium canum subsp. canum Fordyce Grinnell, Jr. 1903-12-31 107 Los Angeles Mt. Wilson Trail, Santa Anita [Canon] Canyon 457 Comment
  CAS-BOT-BC166211  Epilobium canum subsp. canum Louis C. Wheeler 1931-9-26 160 Los Angeles 2 mi. N Claremont 411 Comment
  CAS-BOT-BC166220  Epilobium canum subsp. canum F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San Gabriel Mts. 914 Comment
  CAS-BOT-BC166261  Epilobium canum subsp. canum H. E. McMinn 1926-7-22 1786 Los Angeles Trail to San Antonio Peak Comment
  SBBG60117  Epilobium canum subsp. canum R. Hoffmann 1927-9-21 Los Angeles Ridge Route (US Hwy 99) Comment
  UC1595407  Epilobium canum subsp. canum Tim Ross and Annette H. Ross 1991-7-29 5687 Los Angeles Elephant Hill Puente Hills, San Dimas USGS 7.5' quad, W Pomona (sw side, n-most point of hills) 316 Comment
  RSA0044699  Epilobium canum subsp. latifolium Jon Nickoloff 1973-10-21 504 Los Angeles C. 3 miles SE on Devil s Canyon Trail in stream bed; San Gabriel Mountains [Santa Susana Mts] 1067 Comment
  RSA747617  Epilobium ciliatum R. G. Swinney 2008-5-30 8887 B Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  UCR256469  Epilobium ciliatum R. G. Swinney 2010-9-9 13774 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
  CHSC34421  Epilobium ciliatum subsp. ciliatum Philip A. Silverstone 1978-8-20 315 Los Angeles Jtn Maguire and Escondido Sts., 0.3 km from jtn Maguire and Latigo Canyon Rd., which is 4.8 km inland from State 1. Along small creek. Comment
  RSA588350  Epilobium ciliatum subsp. ciliatum Geo. L. Moxley 1915-7-4 365 Los Angeles Arroyo Seco, Pasadena. Comment
  RSA750097  Equisetum hyemale var. affine R. G. Swinney 2008-4-30 8701 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  POM9733  Equisetum laevigatum F. W. Peirson 1920-4-25 s.n. Los Angeles Arroyo Seco, Pasadena 411 Comment
  RSA608877  Eragrostis cilianensis L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon, Blum Ranch. 884 Comment
  CAS-BOT-BC213597  Eragrostis mexicana subsp. mexicana A. J. McClatchie 189_ s.n. Los Angeles Pasadena Comment
  RSA216322  Eragrostis pectinacea E. C. Twisselmann 1970-10-17 17546 Los Angeles Antelope Valley: Gorman Highway 5 miles west of Highway 14 1006 Comment
  RSA0105908  Eriastrum densifolium subsp. austromontanum K. C. Zakar 1969-07 s.n. Los Angeles San Francisquito Canyon, Saugus. 305 Comment
  UC1787314  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-14 134 Los Angeles San Gabriel Mountains: Lower Big Tujunga Creek (upper Tujunga Valley), in center of wash, 400 m north of western end of Wentworth St. in city of Sunland 377 Comment
  UC880227  Eriastrum sapphirinum L. R. Abrams 1917-7-7 6612 Los Angeles Laurel Canyon Santa Monica Mts. Comment
  RSA0110988  Eriastrum sapphirinum subsp. brevibracteatum A. D. E. Elmer 1902-06 3710 Los Angeles Acton. Mt. Gleason. 829 Comment
  RSA0122089  Eriastrum sapphirinum subsp. brevibracteatum P. A. Munz, T. Craig 1933-5-13 12953 Los Angeles Five miles south of Lancaster. Comment
  POM359349  Ericameria ericoides var. ericoides Robert Gustafson 1981-3-18 2128 Los Angeles Ballona Wetlands, Area 1. Comment
  CAS-BOT-BC287627  Ericameria linearifolia Carl B. Wolf 1928-3-29 1553 Los Angeles At S side of Antelope Valley, 2 miles S of Neenach 1066 Comment
  SD42006  Ericameria linearifolia Darley F. Howe 1947-5-5 Los Angeles North side San Gabriel Mountains. Comment
  RSA0047916  Ericameria nauseosa subsp. consimilis R. G. Swinney 2010-9-23 13882 Los Angeles Summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  RSA792131  Ericameria nauseosa var. bernardina Jane Tirrell 2012-8-20 LS 0165 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Jimmy Springs. 2259 Comment
  SBBG137  Ericameria nauseosa var. hololeuca R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  SD247324  Ericameria nauseosa var. oreophila R. G. Swinney 2010-10-8 14006 Los Angeles San Gabriel Mountains: Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  UC203161  Ericameria nauseosa var. oreophila H. M. Hall 1917-10-28 10587 Los Angeles near High School; Lancaster Comment
  CATA1407  Ericameria palmeri var. pachylepis Mark L. Hoefs, Steven A. Junak, Janet Takara, Keri Kirkland 1995-11-10 2554 Los Angeles Santa Catalina Island: By lower road to Empire Landing, toward beach 24 Comment
  CAS-BOT-BC299519  Ericameria palmeri var. pachylepis Peter H. Raven; Henry J. Thompson 1959-10-31 14720 Los Angeles Vanalden Avenue north of Wells Avenue, Tarzana, Santa Moncia Mountains 304 Comment
  RSA0106844  Ericameria parishii R. G. Swinney 2011-10-18 15845 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  RSA597042  Ericameria pinifolia Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3843 Los Angeles Ridgetop to the W of Crystal Lake (ridge descending SSW from Mt. Islip) 1884 Comment
  RSA607971  Ericameria pinifolia L. C. Wheeler 1968-7-22 s.n. Los Angeles Devil's Canyon. 1433 Comment
  UC1321242  Ericameria teretifolia R. F. Hoover 1966-10-16 10193 Los Angeles 3 mi s Palmdale Comment
  SFV3843  Erigeron bonariensis R. J. Laufenberg 1962-5-28 s. n. Los Angeles San Fernando Valley Northridge, Botanical Garden of San Fernando Valley State College. 260 Comment
  SFV3881  Erigeron foliosus var. foliosus M. L. Vincent 1962-7-10 274 Los Angeles Santa Monica Mountains Dry Canyon, 0.5 miles west of Old Topanga Canyon Road. 360 Comment
  UC63358  Erigeron foliosus var. foliosus Ernest Braunton 1912-7-1 539 Los Angeles Griffith Park Comment
  POM357477  Erigeron foliosus var. stenophyllus Robert Gustafson 1978-6-21 1026 Los Angeles Lower Hungry Valley, near the Canada de Los Alamos, about 4 mi. south of Gorman. 915 Comment
  CHSC12142  Eriodictyon crassifolium L. M. Mayer 1973-4-21 102 Los Angeles In open canyon floor, ca 2 yds from the rd through Big Tujunga Canyon, ca 3.5 mi ne of the intersection of Foothill Blvd and Mt Gleason Ave. 518 Comment
  CHSC26418  Eriodictyon crassifolium K. Tan 1965-4-26 15 Los Angeles Santa Monica Mtns. 304 Comment
  OBI78788  Eriodictyon crassifolium Jill Bushakra, John Bushakra 2001-6-2 115 Los Angeles Pine Canyon, Pine Canyon and Schaffer Roads. 762 Comment
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Mar 23 2015
  SBBG119977  Eriodictyon crassifolium var. nigrescens A. C. Sanders, M. A. Elvin, A. Parikh, N. Gale 2003-4-30 26199 Los Angeles Castaic Valley at W foot of Castaic Mesa, Newhall Ranch 366 Comment
  UCR259916  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-3-16 11945 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
  RSA0105975  Eriodictyon parryi R. G. Swinney 2011-7-8 15502 Los Angeles San Gabriel Mountains: Strawberry Potrero, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property. 1427 Comment
  RSA0057885  Eriodictyon trichocalyx Richard G. Swinney 2010-9-7 13697 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  UCR252694  Eriogonum Kelly Schmoker 2014-6-18 s.n. Los Angeles Western Mojave Desert, Edwards Air Force Base, south of Buckhorn Dry Lake, W of 100th St. East and north of Ave. 'A' near its end, NE of old homestead site and NW of 'L' shaped windbreak 699 Comment
  POM50654  Eriogonum angulosum A. D. E. Elmer 1902-06 3678 Los Angeles Acton. Comment
  RSA393069  Eriogonum angulosum N. C. Cooper 1943-11-20 978 Los Angeles Lancaster. Mojave Desert 762 Comment
  UCR16546  Eriogonum angulosum T. Yonkers 1978-9-15 s.n. Los Angeles Peace Valley, about 4 mi south of Gorman, proposed Dept. of Water Resources Pyramid Power Plant 976 Comment
  RSA596990  Eriogonum baileyi var. baileyi Steve Boyd, Lauren Raz 1996-9-24 8964 Los Angeles Liebre Mountains, western end of Liebre Mountain just north of Forest Service Road 7N23 on broadly rounded summit area at divide between Cold Canyon and Tentrock Canyon. 1616 Comment
  LA82471  Eriogonum cinereum O. H. Kappler; 1943-9-18 540 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit 121 Comment
  SEINET6332077  Eriogonum cinereum David J. Keil 1983-8-23 17873 Los Angeles South Coast; Just west of Leo Carrillo State beach along Hwy 1, c. 1 mi. south of Ventura Co. line 8 Comment
  RSA0004962  Eriogonum cinereum G. W. Barclay 1839-10-13 3051 Los Angeles Hills near San Pedro Comment
  RSA587214  Eriogonum cithariforme var. agninum Orlando Mistretta, Christine Mistretta 1995-5-2 1667 Los Angeles Carr Canyon. 1098 Comment
  CAS-BOT-BC242775  Eriogonum davidsonii Le Roy Abrams; E. A. McGregor 1908-7-3 571 Los Angeles North Baldy Mountain, San Gabriel Mountains 1981 Comment
  RSA0078382  Eriogonum davidsonii R. G. Swinney 2010-10-8 14002 Los Angeles Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  RSA608007  Eriogonum davidsonii Louis C. Wheeler 1968-7-22 s.n. Los Angeles San Gabriel Mountains; Devil's Canyon. 1433 Comment
  RSA748340  Eriogonum davidsonii Justin M. Wood 2009-6-1 807 Los Angeles Mill Creek Summit, Heliport just SE of ranger station on Pacifico Mountain Rd (3N17.4) 1582 Comment
  SBBG64079  Eriogonum davidsonii R. Hoffmann 1931-8-22 Los Angeles Mt Wilson 1676 Comment
  UCR229416  Eriogonum elongatum Dan S. Cooper 2010-9-7 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Royce Canyon, Griffith Park, Los Angeles 320 Comment
  UCR143470  Eriogonum elongatum var. elongatum C. B. Wolf 1932-10-19 4352 Los Angeles Western Transverse Range, South base of Ridge Route Road, 1.5 miles north of Castaic, '1800 ft alt 488 Comment
  RSA65155  Eriogonum elongatum var. elongatum F. W. Peirson 1924-12-5 5385 Los Angeles San Gabriel Mountains: along Little Santa Anita Trail 762 Comment
  RSA0036770  Eriogonum fasciculatum Douglas A. Springer 1981-2-18 18 Los Angeles Cal Poly University campus, 1.5 miles NW of Temple Ave. on University Drive, Parking lot J, level 4, NE end. Comment
  RSA614149  Eriogonum fasciculatum Valerie L. Soza, Jeanne Gural 1997-3-26 26 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave and Foothill Boulevard. 412 Comment
  SDSU6557  Eriogonum fasciculatum Gerald Collier 1951-5-15 Los Angeles Sunset Blvd. 3 miles west of UCLA campus. Near Beverly Polo Grounds. Comment
  CAS-BOT-BC253254  Eriogonum fasciculatum var. foliolosum Le Roy Abrams 1902-7-3 2643 Los Angeles Sierra Madre Comment
  RSA393421  Eriogonum fasciculatum var. foliolosum V. V. Giles 1936-7-5 s.n. Los Angeles San Gabriel Mountains: Crystal Lake. Comment
  RSA670922  Eriogonum fasciculatum var. foliolosum Joseph M. Keefe 2001-1-19 30940 Los Angeles End of sidewalk along Eagle Rock View Drive, south facing slope, south face of the Eagle Rock. 293 Comment
  RSA0035886  Eriogonum giganteum R. G. Swinney 2009-11-9 11581 Los Angeles confluence of Burro Canyon and East Fork San Gabriel River along Hwy 39 451 Comment
  RSA158216  Eriogonum giganteum var. formosum Peter H. Raven 1962-7-10 17976 Los Angeles San Clemente Island, road near northwest end of island. Comment
  CHSC34583  Eriogonum gracile James Henrickson 1972-11-2 8088 Los Angeles 4 mi. N. of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Rd. In agricultural field. 371 Comment
  UC56077  Eriogonum gracile J. H. Barber 1898-7-24 Los Angeles Sepulveda Canyon Comment
  UCR127828  Eriogonum gracile var. gracile Mark A. Elvin 2003-6-19 2951 Los Angeles Western Transverse Range, hills west of San Martinez Grande Canyon and north of Calif. Hwy 126, Newhall Ranch 366 Comment
  RSA393226  Eriogonum gracile var. gracile Louis C. Wheeler 1933-12-21 2330 Los Angeles W side mouth of 'Big' Santa Anita Canyon. 335 Comment
  RSA568839  Eriogonum gracile var. gracile Bonnie C. Templeton 1939-9-6 s.n. Los Angeles Playa del Rey. 40 Comment
  SEINET2042301 Image available Eriogonum gracillimum B. Pitzer 1998-5-12 3697 .2 Los Angeles Western Mojave Desert; ca. 18.3 air mi. NW of Adelanto, on dirt road, 0.3 mi E of 240th St. East. Ca. 6.8 mi N of intersection with El Mirage Road, and ca. 3.2 mi S of Avenue J (N5). (Adobe Mountain 7.5'Q) 890 Comment
  RSA65089  Eriogonum hirtiflorum F. W. Peirson 1921-6-15 2452 Los Angeles Trail from Pine Flats to Chilao. 1677 Comment
  UCR238997  Eriogonum hirtiflorum Anuja Parikh, Nathan Gale 2010-6-18 3324 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, 1.0 km north of State Hwy 2, Angeles Crest Hwy, 0.1 km west of Upper Big Tujunga Canyon Road, under powerlines 1283 Comment
  RSA252946  Eriogonum maculatum Robert F. Thorne, Gary D. Wallace 1973-4-24 43416 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom. 1174 Comment
  UCR281973  Eriogonum maculatum R. G. Swinney 2014-4-18 16113 Los Angeles San Gabriel Mountain/Mojave Desert, SW of Littlerock, 1.4 miles east of Cheseboro Rd., 100-300 m south of California Aqueduct, west of Little Rock Siphon and Little Rock Wash 968 Comment
  RSA782015  Eriogonum microtheca Elizabeth A. Kempton, Eric Paul 2006-9-10 443 Los Angeles Along Hwy. 2, at turnout 2041 Comment
  UCSB23030  Eriogonum mohavense Harger, B. 1967-5-26 Los Angeles Next to the Sierra Highway; 2.1 miles south of Lancaster; in the Antelope Valley 792 Comment
  UCR153478  Eriogonum nudum R. F. Thorne 1969-7-9 38490 Los Angeles Transverse Ranges; San Gabriel Mtns., Angeles National Forest, slope of Table Mountain above Big Pines Ranger Station 2134 Comment
Read comments
Jan 19 2010
  RSA65985  Eriogonum nudum var. pauciflorum F. R. Fosberg, Joseph A. Ewan 1931-8-11 5039 Los Angeles Islip Trail, Upper Pine Flats; San Gabriel Mountains 1829 Comment
  RSA188484  Eriogonum nudum var. pauciflorum Robert F. Thorne, J. Olmstead 1965-8-26 35399 Los Angeles Angeles National Forest, thickety area near Prairie Fork 1616 Comment
  UC56801  Eriogonum parvifolium Ernest Braunton Oct 1902 709 Los Angeles Ballona Comment
  UCR99340  Eriogonum plumatella Steve Boyd, Lauren Raz 1996-10-14 9063 Los Angeles Liebre Mtns, Anaverde Valley near the N base of Ritter Ridge, west of Palmdale, along Tierra Subida Road 0.5 mi south of the intersection with Avenue S. 927 Comment
  RSA727369  Eriogonum pusillum R. G. Swinney 1998-5-16 6071 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  UCR194018  Eriogonum pusillum R. G. Swinney 1999-6-5 7252 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  CAS-BOT-BC267757  Eriogonum roseum Lester Rowntree 1928-10-5 s.n. Los Angeles Bouquet Canyon Comment
  SBBG1665  Eriogonum roseum H. and M. Dearing 1937-10-15 126 Los Angeles Mint Cyn Rd near Palmdale Comment
  CAS-BOT-BC262855  Eriogonum thurberi James L. Reveal 1988-7-7 7072 Los Angeles Big Tujunga Wash north of the bridge on Foothill Boulevard, near Sunland 487 Comment
  RSA300696  Eriogonum umbellatum subsp. minus James R. Shevock 1974-10-5 3878 Los Angeles About the summit of Mount Baden-Powell; Angelees Nat'l Forest 2866 Comment
  UCR209874  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2008-7-16 9241 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  RSA64719  Eriogonum wrightii var. subscaposum F. W. Peirson 1928-9-5 8193 Los Angeles Road from Rock Creek to Big Pines, north slope of San Gabriel Mountains 1677 Comment
  UC1375285  Eriogonum wrightii var. subscaposum Robert F. Thorne 1971-8-25 41291 Los Angeles Windy Gap on trail from Little Jimmy Springs; San Gabriel Mts., Angeles National Forest, Windy Gap 2676 Comment
  UCD101547  Eriogonum wrightii var. subscaposum Victor Duran 1933-7-28 3540 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  UCR265014  Eriophyllum confertiflorum Mitch Provance, Callen Huff 2009-4-28 10669 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  RSA584105  Eriophyllum confertiflorum var. confertiflorum Timothy S. Ross, Steve Boyd 1990-5-15 2517 Los Angeles Live Oak Campground, Tujunga Ranger Distruct, Angeles National Forestr; at the confluence of Sand Canyon and Bear Canyon. (draining to the Santa Clara River about 3.5 miles north) 646 Comment
  SBBG96664  Eriophyllum confertiflorum var. confertiflorum S. Boyd with T. Ross, L. Arnseth 1990-4-7 4244 Los Angeles lower half of China Cyn Comment
  UCR273237  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-5-6 14618 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  RSA92655  Eriophyllum confertiflorum var. confertiflorum F. W. Peirson 1919-5-10 409 Los Angeles Arraster [Arrastre] Creek, San Gabriel Mountains. 838 Comment
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Aug 21 2014
  SEINET11850698  Eriophyllum confertiflorum var. laxiflorum J. F. Bright, Wyman, C. 1933-1 8345 Los Angeles Boquet Canyon Comment
  RSA358199  Eriophyllum nevinii R. F. Thorne 1973-09 44720 Los Angeles Santa Catalina Island. Blue Cavern Point Comment
  RSA92389  Eriophyllum nevinii F. W. Peirson 1923-4-10 3477 Los Angeles North slopes or on sea bluffs, San Clemente Island Comment
  UCR225773  Erodium brachycarpum Dave Silverman, Cindy Hopkins 2007-4-19 6712 Los Angeles Tejon Ranch, 1.4 km N of Hwy 138, 3.1 km west of 300th St West, 3.9 km east northeast of Quail Lake and 3.6 km south of Kern County line 938 Comment
  RSA622830  Erodium cicutarium Cary Otis 1927-1 s.n. Los Angeles San Gabriel Mountains: Gold Bar Mill Site. Comment
  RSA657437  Erodium cicutarium Joseph M. Keefe 2001-1-19 30894 Los Angeles Verdugo Mountains: On north side of Upperton Avenue (north across street from 1871 Uppperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park). 262 Comment
  SBBG67637  Erodium cicutarium M. N. Ackley -Mar-1928 373 Los Angeles Eagle Rock 182 Comment
  SFV20786  Erodium cicutarium L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 691 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 783 Comment
  CDA4670  Erodium cicutarium L. C. Wheeler 1967-5-15 9605 Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Whitney Canyon near Newhall Comment
  RSA533483  Erodium cicutarium Tim S. Ross 1991-3-9 4194 Los Angeles Whittier Hills: (Puente Hills, pro parte): head of unnamed ENE-draining canyon. 290 Comment
  RSA605504  Erodium cicutarium Louis C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge. 1494 Comment
  SD30964  Erodium cicutarium Edith A. Purer 1931-4-28 1761 Los Angeles Palos Verdes Hills Comment
  NY37752  Eryngium aristulatum var. parishii A. J. McClatchie 1893-7-3 s.n. Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET3523298 Image available Erysimum asperum Norman Cooper 1948-4-21 2717 Los Angeles Saugus. 762 Comment
  RSA0094562  Erysimum capitatum Richard G. Swinney 2011-6-6 15012 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  RSA724807  Erysimum capitatum K. Dobry 1991-6-24 d- 735 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  UCR223332  Erysimum capitatum R. G. Swinney 2009-5-27 10883 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  POM143113  Erysimum capitatum var. capitatum C. F. Baker 1904-4-30 4753 Los Angeles Claremont. 365 Comment
  RSA530293  Erysimum capitatum var. capitatum Franklin W. Klepinger 1938-4-23 s.n. Los Angeles Malibu Lake region. Comment
  RSA530292  Erysimum capitatum var. capitatum B. C. Templeton 1932-5-31 4842 Los Angeles Between Big Pines and Jackson Lake 1925 Comment
  CAS-BOT-BC55202  Erysimum suffrutescens Geo. B. Grant 1902-6-20 s.n. Los Angeles Redondo. Comment
  CAS-BOT-BC166985  Erythranthe cardinalis June Latting 1973-6-24 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek site, Fenner Canyon, north side of mountains 1768 Comment
  SEINET8409828  Erythranthe diffusa Wesley Griesel 1962-6-6 Los Angeles Trail Charlton Flats to Chilao, San Gabriel Mts. Comment
  CAS-BOT-BC166528  Erythranthe parishii R. G. Swinney 2005-7-21 8313 Los Angeles San Gabriel Mountains: Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  CAS-BOT-BC402732  Eschscholzia caespitosa C. F. Baker 1904-4-22 4180 Los Angeles Monrovia Comment
  UCR200043  Eschscholzia caespitosa Valerie Soza, B. Hogshead 2003-4-23 1644 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park, ridgetop between Brand Canyon and Childs Canyon 595 Comment
  CHSC95354  Eschscholzia californica LeRoy Gross; Valerie Soza 2003-5-15 909 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of ElbenPlace, just east of where we started. UTM Zone; 3789794N 0376930E. 518 Comment
  RSA713739  Eschscholzia californica A. C. Sanders, Helen Kennedy 2005-4-13 29423 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UCR252887  Eschscholzia californica R. G. Swinney 2010-5-11 12655 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  SEINET12102671  Eschscholzia californica W. F. Wight 1907-1 1628 Los Angeles East Lake Park, Los Angeles Comment
  SBBG38713  Eschscholzia ramosa M. B. Dunkle 1939-4-6 7301 Los Angeles Mosquito Harbor 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
  UC1870198  Eucalyptus globulus LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 408 Los Angeles Los Angeles Basin: Verdugo Mountains Region: 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 427 Comment
  SEINET3155596  Eucalyptus rostrata G. B. Grant 421 -A Los Angeles Pasadena Comment
  RSA673614  Eucalyptus sideroxylon LeRoy Gross 2003-1-25 688 Los Angeles Johnston's Motorway from Indian Springs Estates (private Homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. climbs to main crest. 610 Comment
  LA32294  Eucrypta chrysanthemifolia var. chrysanthemifolia Henry J. Thompson; 1959-4-12 1920 Los Angeles Comment
  UCR260033  Eulobus californicus R. G. Swinney 2010-3-30 12119 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
  UCR272012  Eulobus californicus R. G. Swinney 2010-4-28 12420 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
  UCR241084  Euphorbia albomarginata Jeremiah George 2012-5-15 s.n. Los Angeles Western Transverse Range/San Gabriel Mtns., Santa Clarita, Bee Canyon just north of Soledad Canyon Road, SE of Hwy 14, west side of wash 537 Comment
  POM2698  Euphorbia lathyris A. J. Cook 1902-6-1 2 c Los Angeles San Jose Hills. Pomona California. 61 Comment
  CATA2141  Euphorbia maculata Steven A. Junak 1990-11-9 144 Los Angeles San Clemente Island: N end of island, just SE of passenger terminal building at airfield 60 Comment
  UC1348864  Euphorbia peplus Robert F. Thorne 1966-5-31 36426 Los Angeles Avalon; Santa Catalina Island 7 Comment
  UCR219565  Euphorbia peplus R. G. Swinney 2009-3-28 10206 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
  RSA432460  Euphorbia peplus Freda Detmers 1929-11-11 s.n Los Angeles Hillside in Griffith park. Comment
  IRVC26352  Euphorbia polycarpa A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26047 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  RSA716812  Euphorbia serpillifolia A. C. Sanders 2003-8-7 27167 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur. 267 Comment
  RSA716813  Euphorbia serpillifolia A. C. Sanders 2003-5-22 26829 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
  CATA1374  Euphorbia serpillifolia subsp. serpillifolia Mark L. Hoefs, Robert F. Thorne, Janet Takara, Misty Gay 1995-7-27 2496 Los Angeles Santa Catalina Island: Upper Bulrush Reservoir 292 Comment
  SBBG108426  Euphorbia spathulata T. Ross 1995-5-21 8600 Los Angeles near head of Chenetti Cyn, just SW of W prong of the trident formed at the top of the longest tributary; 1800' SSE of Rest Triangulation Pt (1336') 347 Comment
  PASA2700  Eurotia lanata Margaret Stason May 1931 Los Angeles Near Lancaster Comment
  CAS-BOT-BC312235  Euthamia occidentalis Timothy S. Ross; Steve Boyd 1994-9-20 8268 Los Angeles Lower Spunky Canyon, this stretch draining SSE exiting into Bouquet Reservoir, Liebre Mountains 950 Comment
  UCR240292  Euthamia occidentalis R. G. Swinney 2009-11-18 11654 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, 1.7 miles west of junction of Bobs Gap Rd. and Valyermo Rd., at junction of Sand Rock Creek & Valyermo Rd., S side of road 1108 Comment
  CATA3301  Extriplex californica Amy Catalano, Jen Dreizehn 2017-3-16 018 Los Angeles Santa Catalina Island: Rippers Cove, rocky walls along beach margin 4 Comment
  UCR204038  Festuca arundinacea R. G. Swinney 2005-5-14 8232 Los Angeles San Gabriel Mountains, north of Juniper Hills, south of Pear Blossom, southeast corner of Tejon Road and Longview Road (131st Street) 1091 Comment
  LA13072  Festuca myuros A. M. Johnson; 1932-4-8 3933 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  LA82508  Festuca octoflora O. H. Kappler; 1943-5-9 402 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  CDA20108  Ficus elastica M. O'Brien 2003-2-9 MOB 6 -03 Los Angeles South Coast; Malibu Bluffs Recreation Area, Pacific Coast Hwy & Malibu Canyon Rd. 0 Comment
  UCR267287  Ficus microcarpa R. E. Riefner Jr. 2015-7-19 15- 200 Los Angeles city of Carson, E side of 110 Freeway along 190th St., E side of the Dominguez Channel 11 Comment
  RSA535282  Filago arizonica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5326 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  IRVC28570  Filago californica A. C. Sanders, Mark Elvin, et al. 2003-4-14 25962 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
  LA207731  Frangula californica subsp. californica Joseph Andorfer Ewan; 1933-7-23 1463 Los Angeles San Gabriel Mountains, near spring at E end of Barley Flats 1523 Comment
  CAS-BOT-BC53323  Frangula californica subsp. cuspidata W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. Comment
  SBBG127518  Frankenia salina M. L. Hoefs, S. A. Junak, K. Kirkland 1996-7-10 2741 Los Angeles bluff below USC Building at Fisherman's Cove 6 Comment
  SEINET3151938  Frankenia salina G. B. Grant 1905-1-1 469 Los Angeles Redondo Comment
  RSA464915  Fraxinus dipetala L. E. Hoffman 1928-7-8 s.n. Los Angeles Oak Canyon, eask fork of San Gabriel River. Comment
  UCR137735  Fremontodendron californicum subsp. californicum L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Spring c. 2/3 mi. east of Juniper Bowl, Juniper Hills 1159 Comment
  RSA427003  Fremontodendron mexicanum Robert M. Perkins 1936-5-27 178 Los Angeles San Gabriel Canyon. Comment
  UCR178783  Fritillaria biflora R. G. Swinney 1969-5-10 455 Los Angeles San Gabriel Mtns., Glendora, 0.6 mi N of Sierra Madre Ave., N of Pennsylvania Ave. 366 Comment
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Mar 10 2008
  POM175432  Fritillaria pinetorum Joseph A. Ewan 1930-6-24 2676 Los Angeles N slope Mt Islip, San Gabriel Mountains 2287 Comment
  UCD121579  Galium angustifolium A. C. Sanders 2003-6-19 26973 Los Angeles Western Transverse Range/Santa Clara River Watershed: hills west of San Martinez Grande Canyon, north of Hwy. 126, Newhall Ranch. 366 Comment
  UCR187112  Galium angustifolium A. C. Sanders 2006-5-16 32356 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  CHSC83704  Galium angustifolium subsp. angustifolium John Dittes 1990-6-11 88 Los Angeles Transverse Range; San Gabriel Mts., La Tuna Canyon, north slope of Verdugo Mountain, ca. 0.8 air miles east of debris basin dam, small tributary canyon with drainage on south side of La Tuna Canyon Road. 423 Comment
  RSA188082  Galium angustifolium subsp. angustifolium Robert F. Thorne 1966-4-28 36221 Los Angeles Santa Catalina Island. Near upper end Renton Mine Rd in Pebbly Beach Canyon. 259 Comment
  RSA602346  Galium angustifolium subsp. angustifolium Scott D. White 1997-5-8 5083 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  RSA610980  Galium angustifolium subsp. angustifolium Louis C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains: Fish Fork. 1098 Comment
  UC1408983  Galium angustifolium subsp. angustifolium Robin S. Collins 1973-5-15 290 Los Angeles Trail Cyn. Angeles National Forest, San Gabriel Mts. 640 Comment
  POM367668  Galium angustifolium subsp. angustifolium G. R. Johnstone 1930-6-22 s.n. Los Angeles Ravenna; Soledad Canyon. Comment
  RSA585677  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3337 Los Angeles Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon. 1255 Comment
  POM296481A  Galium aparine Lyman D. Benson 1945-5-21 11725 Los Angeles Claremont: Indian Hill. Pacific Slope Drainage Area. 396 Comment
  POM367751  Galium aparine L. E. Hoffman s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
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Jan 1 2017
  POM4533  Galium aparine M. L. M. 1912-6-15 s.n. Los Angeles Claremont. Comment
  RSA670033  Galium aparine Joseph M. Keefe 2001-3-13 31081 Los Angeles North across street from 774 Tipton Terrace, 0.3 miles south of Buena Vista Terrace. Highland Park District, 1.5 miles southwest of The Eagle Rock. 262 Comment
  RSA226251  Galium aparine Gary D. Cromwell, David W. Wheat 1971-4-16 519 Los Angeles Mystic Canyon, Angeles National Forest, 2 miles NE of Glendora. 427 Comment
  UCD121663  Galium aparine Gary D. Cromwell; David W. Wheat 1971-4-30 585 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mtns. 2 mi. NE of Glendora. 426 Comment
  UC102508  Galium californicum subsp. flaccidum A. J. McClatchie 1893-1 Los Angeles San Gabriel Mts. Comment
  CAS-BOT-BC217472  Galium catalinense Carl B. Wolf 1932-5-11 3553 Los Angeles W. side of Isthmus Harbor, Santa Catalina Island 3 Comment
  UCR111664  Galium catalinense subsp. catalinense L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island, 0.3 mile SSE of Isthmus Bench Mark 122 Comment
  RSA653388  Galium grande Steve Fischer 1998-7-24 SFCNPS 21 Los Angeles On lower side of Upper Winter Creek Trail. 744 Comment
  RSA653930  Galium grande Valerie L. Soza, Wayne Law, Laura Moore 2000-6-27 1030 Los Angeles San Gabriel Mountains: Firebreak above Upper Winter Creek Trail, ca. 2 miles northwest of Chantry Flat along FS Road 2N41.2, north of San Olene Canyon. 823 Comment
  POM50548  Galium johnstonii L. R. Abrams 1901-7-10 1882 Los Angeles Mt. Wilson summit. 1768 Comment
  UCR239016  Galium johnstonii Anuja Parikh, Nathan Gale 2010-6-16 3312 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.3 km east of Shortcut Station, 0.5 km north of State Hwy 2, Angeles Crest Hwy 1300 Comment
  SEINET4044591  Galium nuttallii D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 167 Comment
  SD252375  Galium nuttallii Steven A. Junak 1999-5-20 Sca 961 Los Angeles Santa Catalina Island: Just W of old mine shaft, on N side of Black Jack Peak, directly under high voltage line leading to Black Jack Peak. 505 Comment
  LA208433  Galium nuttallii subsp. nuttallii John Thomas Howell; 1929-3-2 4101 Los Angeles San Gabriel Mountains, San Gabriel Wash, 2 mi S of Azusa Comment
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Jul 28 2014
  LA50680  Galium nuttallii subsp. nuttallii Carl Epling; 1929-3-16 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  UCR162368  Galium nuttallii subsp. nuttallii Anuja Parikh, Nathan Gale 2004-5-13 2009 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch (study area 46), near Magic Mountain Theme Park 396 Comment
  CATA3101  Galium parisiense Amy Catalano 2016-5-11 104 Los Angeles Santa Catalina Island: South side of Cape Canyon Road, 100 meters up canyon from gate by corrals, on northwest facing slope 227 Comment
  RSA0113209  Galium parisiense Steven A. Junak 2000-5-19 SCa- 1322 Los Angeles Santa Catalina Island. Just W of road, near Opuntia patch. 317 Comment
  SD80115  Galium parisiense C. W. Tilforth 1969-6-6 210 Los Angeles Rancho Santa Ana Bot. Gard., Claremont. Comment
  UC1409198  Galium porrigens Robert F. Thorne 1971-4-2 41416 Los Angeles n Mountain Ave.; San Gabriel Mts., Claremont, Johnson's Pastures 548 Comment
  SBBG132304  Gambelia speciosa S. A. Junak 1995-1-5 SCI- 244 Los Angeles N of Pyramid Head light station, just S of "U18-2" marker 85 Comment
  UC447162  Gamochaeta pensylvanica J. Ewan 1931-4-12 4160 Los Angeles Peirson's residence, backyard Altadena Comment
  UCR150846  Gamochaeta pensylvanica R. G. Swinney, Dave Larson 1999-5-15 7164 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  CAS-BOT-BC158001  Garrya veatchii F. W. Peirson 1919-11-30 2723 Los Angeles Eaton Canyon, San Gabriel Mts. 609 Comment
  CATA1195  Gastridium phleoides Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-5 2212 Los Angeles Santa Catalina Island: Upper White's Landing Road 426 Comment
  RSA13880  Gastridium phleoides L. C. Wheeler 1933-6-7 1859 Los Angeles UCLA campus at Westwood. 137 Comment
  SBBG128212  Gastridium phleoides M. L. Hoefs, S. A. Junak, R. Philbrick 2001-5-18 3176 Los Angeles near rd between Cottonwood Cyn and Black Jack Cmpgrd 225 Comment
  RSA773975  Gayophytum R. G. Swinney 2009-7-29 11420 Los Angeles Pacifico Mountain summit. 2134 Comment
  RSA773998  Gayophytum R. G. Swinney 2009-7-22 11308 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  UCR190370  Gayophytum R. G. Swinney, Cody Clarke 2001-6-20 8003 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  UC306266  Gayophytum oligospermum I. Johnston 1917-7-1 1441 Los Angeles near Browns Flats Comment
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May 15 2007
  RSA747152  Gilia R. G. Swinney 2008-5-8 8810 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
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Dec 7 2018
  UCR281972  Gilia R. G. Swinney 2014-4-17 16093 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, 1.2 miles east of Cheseboro Rd., 100-400 m south of California Aqueduct 968 Comment
  RSA791801  Gilia angelensis Mark 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, south of Santa Clara River and highway 126, c. 4 miles east of Ventura county line. 314 Comment
  RSA305058  Gilia angelensis P. H. Raven 1960-5-21 15397 Los Angeles Cornell Corners, Santa Monica Mountains. 244 Comment
  RSA470100  Gilia angelensis Donald R. Bissing 1973-5-18 91 Los Angeles Evey Canyon, San Gabriel Mountains: roadside 0.4 mile from mouth of canyon. 732 Comment
  UCR265029  Gilia brecciarum Mitch Provance, Callen Huff 2009-4-28 10674 Los Angeles Tehachapi Mountians, Road on ridge overlooking Hwy I-5 about 0.5 miles NE of Gorman 1466 Comment
  RSA0095192  Gilia brecciarum Gordon H. True 1935-3-27 173 Los Angeles 5 miles SW of Palmdale. 944 Comment
  SDSU21384  Gilia capitata S. H. Bullock 1968-3-26 16 Los Angeles Claremont, Blanchard Park, Mills Ave. between 1st and 6th Streets. No slope. 351 Comment
  RSA611633  Gilia capitata subsp. abrotanifolia Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10115 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 536 Comment
  RSA84899  Gilia capitata subsp. abrotanifolia R. C. Foster 1937-6-2 325 Los Angeles Evey Canyon, Foothills of the San Gabriel Mountains, northeast of Claremont. Comment
  RSA72995  Gilia latiflora subsp. davyi Verne Grant, Alva Grant 1952-4-21 18260 Los Angeles along Hwy about 4 mi. S of Gorman on Tejon Pass rd. 1067 Comment
  RSA756572  Gilia latiflora subsp. davyi Orlando Mistretta, Christine Mistretta 2008-4-30 2564 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  UCR110899  Gilia leptantha subsp. transversa A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 22004 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  UC907870  Gilia modocensis Herbert L. Mason 1934-3-30 8034 Los Angeles s Valyermo (Rock Creek, n side of San Gabriel Mountains); San Gabriel Mountains, s of Valyermo Comment
  UCR206425  Gilia modocensis R. G. Swinney 2008-6-4 8936 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 0.2 mi. north of park headquarters/nature center 1430 Comment
  RSA783531  Gilia multicaulis J. D. Olmsted 1958-3-2 5 Los Angeles Blanchard Park on Pomona College campus, Claremont near eastern end of Los Angeles County. 366 Comment
  UC1587749  Gilia nevinii Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5275 Los Angeles westerly fork Near-Death Canyon San Clemente Island, westerly fork Near-Death Canyon (draining to Mosquito Cove (drainage beginning 800 ft n of Rest [1336'] marker, 1800 ft se of Malo Knoll [1396'] San Clemente Is) 304 Comment
  RSA0016253  Gilia ochroleuca subsp. bizonata Steve Boyd, Lauren Raz 1997-4-30 9635 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  SD215605  Gilia ochroleuca subsp. bizonata Steve Boyd, Lauren Raz 1997-3-25 9315 Los Angeles Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain at end of dirt road leading 1.0 km northeast of Knapp Ranch. 1096 Comment
  UCR223782  Gilia ochroleuca subsp. bizonata R. G. Swinney 2009-5-27 10902 Los Angeles Transverse Range; San Gabriel Mtns., South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  CAS-BOT-BC402100  Gilia ochroleuca subsp. bizonata Brandegee 1889-1-1 s.n. Los Angeles South side Ravenna P.O. Comment
  RSA0007322  Gilia sherman-hoytiae P. A. Munz, T. Craig 1933-5-13 12925 Los Angeles 10 miles south of Muroc. Comment
  RSA723830  Ginkgo biloba Thomas Poon, Sarah Primrose, Amy Tran, Veronica McClellan, Lyanne Dominguez 2007-9-15 s.n. Los Angeles Claremont. Southeast corner of E. 1st St. and Amherst St. Adjacent to the north side of the building called International Place. Comment
  POM358791  Gnaphalium californicum Robin S. Collins 1973-5-15 263 Los Angeles Trail Canyon, within 1 mile of beginning of pack trail 671 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
  RSA656967  Gnaphalium canescens Ian Thompson 1997-2-26 21 Los Angeles Cal Poly Pomona Ecological Reserve, north of D-line. Comment
  IRVC28733  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25513 Los Angeles Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters NE end of Santa Susana Mtns. 313 Comment
  SBBG131606  Gnaphalium palustre S. A. Junak 1999-7-15 SCa 1035 Los Angeles N border of lower reservoir in Bulrush Cyn 304 Comment
  UCR138514  Gnaphalium stramineum L. C. Wheeler 1970-5-31 s.n. Los Angeles Los Angeles, NW corner of W Pico Blvd. and S Figueroa St. 72 Comment
  UC1076476  Grayia spinosa Herbert L. Mason 1930-4-20 5595 Los Angeles Mohave Desert, Rock Creek region Comment
  UCR240293  Grindelia R. G. Swinney 2009-11-18 11653 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, 1.7 miles west of junction of Bobs Gap Rd. and Valyermo Rd., at junction of Sand Rock Creek & Valyermo Rd., S side of road 1108 Comment
  RSA293510  Grindelia camporum var. bracteosa C. W. Tilforth, Walter Wisura 1979-6-13 1812 Los Angeles Johnstons pasture, hills above Claraboya, north of Pomona Comment
  CHSC100219  Gutierrezia sarothrae John Dittes; Josephine Guardino 2006-11-25 1434 Los Angeles Western Transverse Range; San Gabriel Mtns.; Little Tujunga Cyn; ca. 1.6 air-miles northeast of Pacoima Reservoir Dam, ca. 3.8 air-miles southwest of Magic Mountain Communication Facility, ca. 0.8 air-miles southeast of Bear Divide; Upslope (north of Little Tujunga Road. 681 Comment
  RSA591212  Hainardia cylindrica Steven A. Junak 1985-5-14 SC 1 -71 Los Angeles San Clemente Island, central part of island, along main road, roughly midway between intersection of road to Lemon Tank and intersection with road to Peak 1603 and Field Station at Cemera Pad Stone 381 Comment
  RSA658355  Haplopappus pinifolius Naomi Zohman 1985-4-28 41 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  CAS-BOT-BC231093  Harpagonella palmeri Tim Ross; Janet Takara; Stacey Otte 1993-4-24 6947 Los Angeles Santa Catalina Island: W end of island beyond the isthmus, on ridgetop ca 1000m NW of Mount Torquemada 396 Comment
  RSA0116569  Helenium bigelovii R. G. Swinney 2010-9-30 13929 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
  RSA0001264  Helenium bigelovii Joseph A. Ewan 1930-6-23 2655 Los Angeles Little Cienega below Crystal Lake 1463 Comment
  CAS-BOT-BC309440  Helenium puberulum Louis C. Wheeler 1931-8-22 14 Los Angeles Puddingstone Lake 259 Comment
  CHSC99846  Helianthus annuus LeRoy Gross 2001-4-1 377 Los Angeles Los Angeles Basin: Verudgo Mountains region: Northwest side. Low hill between La Tuna Canyon Road and Sunland Blvd. enter at 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 the mouth of McDonald Creek. 304 Comment
  RSA0088412  Helianthus annuus R. G. Swinney 2010-2-27 11748 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  RSA0110925  Helianthus annuus subsp. lenticularis R. G. Swinney 2010-10-5 13982 Los Angeles San Gabriel Mountains: east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  JEPS35470  Helianthus gracilentus F. W. Peirson 1919-7-3 512 Los Angeles Lukens Peak (formerly called Sister Elsie Peak) San Gabriel Mountains (along dry ridges) 1219 Comment
  RSA599758  Helianthus gracilentus Steve Boyd, Lauren Raz 1997-5-6 9777 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  SBBG131907  Heliotropium curassavicum S. A. Junak 2000-6-30 SCa 1357 Los Angeles upper end of Little Harbor, near camp area, cmpgrd (N end) 7 Comment
  SEINET3153347  Heliotropium curassavicum L. Abrams 1902-6-11 2513 Los Angeles Playa del Rey Comment
  UCR95335  Heliotropium curassavicum var. oculatum L. C. Wheeler 1946-8-28 6289 Los Angeles San Gabriel Mtns, Caldwell Lake 1570 Comment
  RSA654726  Heliotropium curassavicum var. oculatum Scott Lowe 1991-5-18 39 Los Angeles San Gabriel River channel, about 400 m north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  CAS-BOT-BC310102  Hemizonella minima Joseph Andorfer Ewan 1932-6-15 7340 Los Angeles 1/2 mile above Horse Flats, Pine Flats Region, San Gabriel Mts. 1706 Comment
  RSA599837  Hemizonia fasciculata Steve Boyd, Lauren Raz 1997-5-6 9749 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  UCR138529  Hemizonia fasciculata L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mtns., east side of Little Tujunga Canyon 549 Comment
  LA22806  Hesperoyucca whipplei Lee Haines; 1940-6-1 sn Los Angeles 219 Comment
  LA88648  Hesperoyucca whipplei Patricia Wilder; 1963-5-18 1269 Los Angeles 236 Comment
  UCR256228  Hesperoyucca whipplei R. G. Swinney 2010-6-4 13046 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
  UCR281156  Hesperoyucca whipplei R. G. Swinney 2014-6-5 16714 Los Angeles San Gabriel Mountains, Glendora, 0.53 mile north of jct. of Rainbow Drive and Sierra Madre Ave., at south base of ridge 463 Comment
  CAS-BOT-BC135950  Hesperoyucca whipplei Peter H. Raven; Henry J. Thompson 1959-5-5 14150 Los Angeles On chaparral burn, 4.1 miles north-west of Tapia Park on road to Malibu Lake - Santa Monica Mountains 182 Comment
  SEINET12265282  Hesperoyucca whipplei I. W. Clokey 1935-1 6994 Los Angeles Pasadena Glen 400 Comment
  LA52107  Heteromeles arbutifolia A. M. Johnson; 1927-11-11 2681 Los Angeles 121 Comment
  OBI35685  Heteromeles arbutifolia Rebecca Cicoria 1982-5-8 76 Los Angeles Palos Verdes Peninsula: Purple Cyn, Rolling HIlls Comment
  RSA0072418  Heteromeles arbutifolia Joseph M. Keefe 2001-3-13 31082 Los Angeles North across street from 774 Tipton Terrace, 0.3 miles south of Buena Vista Terrace. Highland Park District, 1.5 miles southwest of The Eagle Rock. 262 Comment
  RSA233400  Heteromeles arbutifolia Robert F. Thorne 1966-4-16 36072 Los Angeles San Clemente Island, canyon below Lemon Tank near dump, south of Nanny, northeast side of island. 183 Comment
  UCR47335  Heteromeles arbutifolia David Charlton 1987-1-31 632 Los Angeles Western Transverse Range; Santa Monica Mtns., Saddle Peak 610 Comment
  SD107836  Heteromeles arbutifolia var. macrocarpa Mark Hoefs 1973-7-14 378 Los Angeles Santa Catalina Island: Just east of Wrigley Botanic Garden, Upper Avalon Canyon 106 Comment
  RSA0037417  Heterotheca fastigiata R. G. Swinney 2010-9-1 13655 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  RSA0074434  Heterotheca grandiflora S. Koukol, E. Lutz 1998-4-26 8 Los Angeles Claremont, along W side of Indian Hill Blvd., 50 m S of Baseline Road. 421 Comment
  SBBG95707  Heterotheca grandiflora M. B. Dunkle 1928-5-27 1976 Los Angeles Hamilton Cyn Comment
  RSA0074424  Heterotheca grandiflora L. C. Wheeler 1931-1-10 s.n. Los Angeles Base of San Gabriel Mountains at Claremont: Thompson Creek Dam. Comment
  RSA0074445  Heterotheca grandiflora F. Zuazo 1953-1-28 s.n. Los Angeles Covina, Valley Center and Cypress. 243 Comment
  RSA658483  Hirschfeldia incana Patricia Kouo 1994-5-6 945216 Los Angeles 3 miles south of I-10, and 1 mile north of I-60. On the West side of Rosemead Blvd , at the most south lake. Comment
  RSA617228  Holodiscus microphyllus LeRoy Gross 1998-8-22 46 Los Angeles Top of Mt. Baden-Powell. 2866 Comment
  CAS-BOT-BC289492  Hordeum brachyantherum subsp. californicum Louis C. Wheeler 1936-4-12 4089 Los Angeles S. side, hills S Monterey Park 121 Comment
  SBBG83222  Hordeum intercedens F. R. Fosberg 1931-4-22 4666 Los Angeles Eagles Nest, Middle Ranch Cyn Comment
  CAS-BOT-BC289337  Hordeum murinum subsp. glaucum E. R. Blakley 1963-5-4 5673 Los Angeles North slope of Signal Peak, Santa Barbara Island Comment
  RSA623835  Hordeum murinum subsp. glaucum Jack Hudson 1950-03 s.n. Los Angeles San Rafael Hills-between Glenoaks and Hill Dr. Comment
  CATA602  Hordeum murinum subsp. leporinum Mark L. Hoefs 1991-4-7 1048 Los Angeles Santa Catalina Island: Divide Road, above Avalon Canyon 277 Comment
  UC1109374  Hordeum vulgare Peter H. Raven 1962-4-11 17292 Los Angeles San Clemente Island 30 Comment
  POM578  Horkelia cuneata subsp. puberula O. W. Robinson 1916-4-3 s.n. Los Angeles Near Greek Theater. Claremont. Comment
  CAS-BOT-BC532301  Horkelia cuneata var. puberula John I. Carlson 1918-4-26 s.n. Los Angeles Country adjacent to Los Angeles, Griffith Park Comment
  RSA0091508  Horkelia rydbergii R. G. Swinney 2011-10-10 15748 Los Angeles east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  RSA642284  Horkelia rydbergii Orlando Mistretta 1995-7-11 1871 Los Angeles San Gabriel Mountains: Head of Little Rock Creek ca. 1/2 mile downstream from Alder Saddle. 1509 Comment
  RSA229732  Hulsea heterochroma R. F. Thorne 1971-6-26 40596 Los Angeles Summit of Mt. Wilson 1738 Comment
  RSA261749  Hulsea vestita subsp. gabrielensis D. H. Wilken 1973-6-1 7946 Los Angeles 5 miles west of Mill Creek Summit 1921 Comment
  SBBG108576  Hulsea vestita subsp. gabrielensis T. Ross, S. Boyd 1990-5-23 2608 Los Angeles Mt Gleason area; descending from Messenger Pk, near headwaters of Mill Cyn 1719 Comment
  RSA712901  Ilex cornuta A. C. Sanders 2005-2-13 29149 Los Angeles San Gabriel Valley: Walnut, Mt. San Antonio College, at south foot of the San Jose Hills. 244 Comment
  UCR202502  Imperata brevifolia Justin M. Wood 2008-11-25 254 Los Angeles San Gabriel Mountains, Big Tujunga Canyon, near road to Wildwood Picnic Area, on the north side of the road in the vicinity of spring 579 Comment
  SBBG112913  Isocoma menziesii S. A. Junak with K. Kirkland, M. Bushman 1998-10-21 SCa 806 Los Angeles NW shore of Haypress Reservoir 390 Comment
  CATA1395  Isocoma menziesii var. vernonioides Mark L. Hoefs, Steven A. Junak, Allan Fone 1995-11-8 2534 Los Angeles Santa Catalina Island: Just below reservoir above Cotttonwood Canyon 182 Comment
  HSC81279  Isocoma menziesii var. vernonioides F. R. Fosberg 1931-4-12 4576 Los Angeles Palisades near Jewfish Pt. Santa Catalina Island 15 Comment
  POM361277  Isocoma menziesii var. vernonioides Ora M. Clark 1928-12-23 1390 Los Angeles NW of San Pedro Comment
  RSA151236  Isocoma menziesii var. vernonioides Peter H. Raven 1962-7-11 18011 Los Angeles San Clemente Island, Wilson Cove 61 Comment
  UC56900  Isomeris arborea Ernest Braunton May 1902 321 Los Angeles Redondo Comment
  RSA233383  Juglans californica var. californica Arthur C. Gibson, Linda Gibson 1972-2-26 2803 Los Angeles Collected at the jct. of Hwy 101 and Cobbal Canyon N of Malibu Comment
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May 28 2014
  SD92967  Juglans californica var. californica W. Bertsch 1953-5-5 95 Los Angeles Claremont wash Comment
  RSA0011161  Juglans californica var. californica Wesley O. Griesel 1986-4-25 s.n. Los Angeles Elsmere Canyon area 457 Comment
  UCD169214  Juglans hindsii R. E. Riefner Jr. 2012-12-11 12- 598 Los Angeles Sunland-Tujunga, along Stonehurst Ave. near Orcas Ave. 288 Comment
  RSA756730  Juglans nigra A. C. Sanders, T. B. Salvato 2009-5-21 36891 Los Angeles Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 66 Comment
  CAS-BOT-BC110035  Juncus acutus Grant 1901-4-18 3834 Los Angeles Redondo. Comment
  RSA0039141  Juncus acutus R. G. Swinney 2010-3-10 11787 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  RSA709602  Juncus acutus A. C. Sanders, Mark A. Elvin 2003-8-7 27179 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur. 267 Comment
  SD69443  Juncus acutus Robert F. Thorne, P. Everett 1965-6-24 35037 Los Angeles Santa Catalina Island, along stream bed just below dam in lower Cottonwood Canyon. 38 Comment
  CATA1174  Juncus acutus subsp. leopoldii Mark L. Hoefs 1995-5-30 2170 Los Angeles Santa Catalina Island: In and near water course, just above Ben Weston Beach 15 Comment
  RSA0115445  Juncus balticus R. G. Swinney 2011-10-13 15784 Los Angeles San Gabriel Mountains; Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
  SBBG32111  Juncus balticus R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -199 Los Angeles Middle Bullrush Cyn, Salta Verde Comment
  UCR216566  Juncus balticus Dan S. Cooper 2010-6-17 610- 74 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., adjacent to Lake Hollywood, Griffith Park area 242 Comment
  SBBG32135  Juncus bufonius R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -219 Los Angeles lower-middle Bullrush Cyn, Salta Verde Comment
  UCR207990  Juncus bufonius F. R. Fosberg 1931-5-4 S- 4751 Los Angeles Channel Islands, Santa Catalina Island; below second bridge below Eagles Nest 140 Comment
  UCR76412  Juncus bufonius T. S. Ross 1992-4-16 6202 Los Angeles Channel Islands, Central part of San Clemente island; 289 degrees WNW, 680 m distant from 1603 ft. peak above Stone Station 416 Comment
  RSA577431  Juncus bufonius var. occidentalis Joseph A. Ewan 1936-7-22 9794 Los Angeles Big Pines Meadow, San Gabriel Mountains. 2073 Comment
  RSA730314  Juncus covillei R. G. Swinney 1998-9-4 6907 Los Angeles Vincent Gap, off trail c. 350m SE of parking area at spring near canyon bottom 1988 Comment
  RSA182042  Juncus duranii Victor Duran 1933-7-22 3527 Los Angeles Buckhorn, San Gabriel Mountains 1981 Comment
  POM1613  Juncus phaeocephalus I. M. Johnston 1917-6-10 1308 Los Angeles Cienega , West of Los Angeles. Comment
  RSA596104  Juncus textilis Mark Hoefs, Robert F. Thorne, Janet Takara, M. Gay 1995-7-27 2506 Los Angeles Santa Catalina Island: below Bulrush Reservoir. 282 Comment
  SEINET6076738  Juncus textilis Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  LA51515  Juncus xiphioides Peter H. Raven; Henry J. Thompson 1960-7-17 15559 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, along Malibu Creek 2 mi. above ocean. 45 Comment
  UCR212796  Juncus xiphioides Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1838 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  CAS-BOT-BC81002  Juniperus californica Carl B. Wolf 1928-3-29 1552 Los Angeles Foothills at south side of Antelope Valley, 2 mi. so. of Neenach 1066 Comment
  LA6561  Juniperus californica Carl Clawson Epling; M. Epling May 1925 sn Los Angeles Mint Canyon Comment
  RSA601654  Juniperus californica L. C. Wheeler 1960-4-29 7683 Los Angeles San Gabriel Mountains. 1/2 mi. northeast of Kentucky Springs, east of Acton. Comment
  RSA651020  Juniperus californica Brent Mishler 1977-10-6 s.n. Los Angeles San Gabriel River flood control area, Irwindale. Comment
  SD52743  Juniperus californica W. R. Dudley, H. Lamb 1896-6-7 Los Angeles near Neenach, Antelope Valley Comment
  RSA729773  Juniperus occidentalis var. australis R. G. Swinney 1999-8-9 7601 Los Angeles eastern end of Big Horn Ridge, SW of Mt. San Antonio. Ridge top; montane coniferous forest. 2793 Comment
  RSA600356  Keckiella breviflora var. breviflora Steve D. Boyd, Lauren Raz 1997-5-28 9882 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  CAS-BOT-BC235729  Keckiella cordifolia R. G. Swinney 2009-5-8 10693 Los Angeles Transverse Range; San Gabriel Mtns.: Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  POM4281  Keckiella cordifolia M. Hitchcock 1918-7-3 11 Los Angeles Topango [Topanga] Canyon, Santa Monica Mountains. Comment
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May 29 2014
  UCD123783  Keckiella cordifolia Earl Brown 1993-5-2 s.n. Los Angeles Santa Monica Mountains, 5.1 miles west of Mulholland Drive from junction with Interstate 405. 548 Comment
  UCR222769  Keckiella cordifolia R. G. Swinney 2009-5-8 10693 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA592866  Keckiella ternata subsp. ternata Louis C. Wheeler 1967-7-30 10276 Los Angeles San Gabriel Mountains. All Trail Canyon, BM 3434 near Tom Lucas campground. 1006 Comment
  UCD168232  Kochia prostrata 2015-1-1 s.n. Los Angeles Antelope Valley [UTM convert by label maker]. 750 Comment
  CAS-BOT-BC123287  Koeleria cristata var. pinetorum LeRoy Abrams 1902-6-29 2599 Los Angeles Mt. Wilson Comment
  RSA229098  Koeleria macrantha R. F. Thorne 1971-6-30 40758 Los Angeles Angeles National Forest: c. 0.3 mile below Alder Saddle along a dry branch of the S Fork of Little Rock Creek 1616 Comment
  HSC24949  Krascheninnikovia lanata Nels Rinden 1971-5-2 31 Los Angeles 10 mi. SW of Victorville, 0.5 W of Hwy. 395 on road to Phelan in Mojave Desert 1220 Comment
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Aug 13 2014
  UCR197786  Krascheninnikovia lanata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 119 Los Angeles Transverse Ranges; San Gabriel Mountains, north side of the mountains, right at the north end of Bob's Gap 1220 Comment
  CATA1445  Lactuca serriola Mark L. Hoefs, Robert F. Thorne 1996-4-6 2609 Los Angeles Santa Catalina Island: Pebbly Beach 6 Comment
  SD69732  Lactuca serriola Robert F. Thorne 1966-4-29 36276 Los Angeles Santa Catalina Island above ranch in Middle Ranch Canyon. 230 Comment
  RSA643852  Lactuca serriola Steven A. Junak 1996-9-29 SC 1 -683 Los Angeles San Clemente Island: W side of island, in Middle Ranch Canyon, ca. 0.3 mile downstream from upper road crossing. 396 Comment
  SBBG20519  Lamarckia aurea E. R. Blakley 1963-12-7 6358 Los Angeles old Rd on beach bluff, E end of Pyramid Cove 7 Comment
  RSA578639  Lamium amplexicaule Tim S. Ross, Darin Banks 1994-4-13 7535 Los Angeles Lower Clearwater Canyon: riparian strip and adjacent lower slopes; ca 1400 m ESE of Plum Spring and ca 960 m W of San Francisquito Powerhouse No. 1. 674 Comment
  SFV9163  Lamium amplexicaule J. Turner, F. M. Ball 1963-4-3 s. n. Los Angeles San Gabriel Valley La Verne. Yard of long-destroyed house near Puddingstone Reservoir. 305 Comment
  UCR261537  Lamium amplexicaule R. G. Swinney 2010-2-27 11700 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  RSA624577  Lamium amplexicaule Louis C. Wheeler 1973-4-9 s.n. Los Angeles Millard Canyon, approximate forest service boundary. Comment
  CAS-BOT-BC338139  Lasthenia californica M. B. Dunkle 1940-3-18 7412 Los Angeles West end of Santa Barbara Island Comment
  POM361487  Lasthenia californica M. B. Dunkle 1939-4-4 7261 Los Angeles San Clemente Island: Chenetti Canyon. Comment
  RSA252970  Lasthenia californica R. F. Thorne, C. W. Tilforth 1973-4-20 43090 Los Angeles San Bernardino National forest; Mormon Rocks and Cajon Canyon 1036 Comment
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Jul 20 2021
  RSA709626  Lasthenia californica LeRoy Gross 2005-4-28 2125 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
  SD224852  Lasthenia californica Karen Kirtland 1993-4-10 Los Angeles Mojave Desert (western): Lancaster, E of 10th St. East between Ave. F and G. 708 Comment
  POM50717  Lasthenia coronaria L. R. Abrams 1901-04 1388 Los Angeles Monte Vista. Comment
  RSA396114  Lasthenia glabrata subsp. coulteri C. B. Wolf 1935-3-24 6295 Los Angeles 1 mile north of Buena Park (valley to w of w coyote hills)., [Specimen is 0.1 km W of the Orange County line in L.A. County. Ref; Mr. Fred Roberts and Tom Chester] 53 Comment
  SBBG13346  Lasthenia gracilis E. R. Blakley 1962-6-9 5178 Los Angeles Triangulation Pt Thirst 598 Comment
  SEINET10973248  Lathyrus latifolius Thompson 1959-4-19 Thompson 1938 Los Angeles Plants of the santa monica mts. Corolla white or pale cream, banner streaked With violet, herbaceous, perennial vine; burred area under quercus agrefolic. Mulholland hwy, 1 mi w of las virgenes rd. Malibu creek drainage. 274 Comment
  UCR127053  Lathyrus vestitus M. S. Enright 2003-5-24 s.n. Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  SBBG31130  Lathyrus vestitus var. alefeldii R. F. Thorne 1966-4-28 Los Angeles rd to Renton Mine, Pebbly Beach Cyn 243 Comment
  CAS-BOT-BC321511  Layia glandulosa Ira L. Wiggins 1966-4-17 20605 Los Angeles Hillside across valley to E of Alpine Butte Wildflower Sanctuary, N of Pearblossom. Mohave Desert. Comment
  CAS-BOT-BC321520  Layia glandulosa David D. Keck 1935-3-18 3021 Los Angeles San Gabriel River, 2 mi E of El Monte 91 Comment
  RSA579325  Layia glandulosa Timothy S. Ross 1994-5-31 7973 Los Angeles Pacifico Mountain, somewhat flat granitic ridgetop ca 860 m WNW of the 7124-ft summit. 2073 Comment
  POM361657  Layia glandulosa Fay A. MacFadden 1931-4-22 s.n. Los Angeles Lake Hughes. Comment
  SEINET11811302  Layia glandulosa J. F. Bright, Wyman, C. 1931-1 5281 Los Angeles in Antelope Valley Comment
  UC34692  Layia glandulosa H. M. Hall 1902-4-1 3025 Los Angeles Mescal Creek, eastern Los Angeles County South side Mohave Desert, Mescal Creek 1371 Comment
  UC729799  Layia platyglossa Carl B. Wolf 1932-5-11 3551 Los Angeles w side Isthmus Harbor; Santa Catalina Island 15 Comment
  JEPS39205  Layia platyglossa F. W. Peirson 1919-3-27 328 Los Angeles Hill w of Arroyo Seco; San Gabriel Mts. 426 Comment
  OBI15819  Layia platyglossa Bill Arbaugh 1966-4-16 36 Los Angeles W on 138 from Landcaster [Lancaster] 701 Comment
  POM305923  Layia platyglossa subsp. campestris Henry J. Ramsey, Henry J. Ramsey 1940-3-4 1097 Los Angeles Foothill Blvd. West of San Gabriel Bridge. Comment
  LA82022  Lepechinia fragrans Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR282436  Lepidium D. E. Bramlet, Robt. L. Allen 2011-5-24 4845 Los Angeles Coastal Plains and Basins; Los Angeles Basin, Whittier Narrows Recreation Area, 75 ft west of Siphon Road, 435 ft. south of Durfee Rd. & 3515 ft NW of the San Gabriel River 64 Comment
  UCR256602  Lepidium densiflorum Anuja Parikh, Nathan Gale 2011-7-5 3534 Los Angeles Transverse Ranage; San Gabriel Mountains, along road to Barley Flats, 3.5 km west of Shortcut Station, 1.1 km north of State Hwy 2, Angeles Crest Hwy 1683 Comment
  RSA723064  Lepidium didymum LeRoy Gross 2007-5-16 2732 Los Angeles Southern side of the range: Near parking area for the trails to hike out of Wildwood Canyon. Near 427 Comment
  CAS-BOT-BC89305  Lepidium flavum A. D. E. Elmer 1902-6-1 3653 Los Angeles Lancaster. Comment
  RSA585323  Lepidium lasiocarpum Timothy S. Ross 1991-4-27 4719 Los Angeles Black Butte: easterly and northeasterly slopes 1082 Comment
  RSA682499  Lepidium latifolium Scott D. White, Michael Honer 2003-5-7 9199 Los Angeles South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  SFV12496  Lepidium latifolium M. H. Grayum, H. Grayum, K. Felt, J. Horowitz 1977-10-30 841 Los Angeles Santa Monica Mountains Century Ranch near Malibu Creek. Vicinity of Goat Buttes. Comment
  JEPS53771  Lepidium virginicum Frank W. Peirson 1921-3-3 2357 Los Angeles hills w Arroyo Seco; San Gabriel Mountians 426 Comment
  CAS-BOT-BC60035  Lepidium virginicum var. menziesii John Thomas Howell 1928-2-9 3337 Los Angeles On trail between Santa Anita Canyon and Sierra Madre, San Gabriel Mountains. Comment
  CAS-BOT-BC60040  Lepidium virginicum var. menziesii Ernest Braunton 1902-5-5 325 Los Angeles Glendora. Comment
  RSA624989  Lepidium virginicum var. pubescens L. C. Wheeler 1963-5-5 8253 Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. 541 Comment
  RSA65792  Lepidium virginicum var. virginicum F. W. Peirson 1918-11-2 298 Los Angeles summit of Mt. Wilson Comment
  RSA78378  Lepidospartum latisquamum J. C. Roos 1951-7-30 5073 Los Angeles Swartout Valley between Wrightwood and Big Pines 1982 Comment
  CAS-BOT-BC328064  Lepidospartum squamatum F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp. San Gabriel Mts. 914 Comment
  CAS-BOT-BC328076  Lepidospartum squamatum C. F. Baker 1908-12-15 5236 Los Angeles Claremont Comment
  JEPS5748  Lepidospartum squamatum Rimo Bacigalupi 1952-8-8 3896 Los Angeles 1.2 mi w of junction of Soledad Canyon Road with Agua Dulce Canyon Road (wash of Bee Creek, tributary of Soledad Creek, Soledad Canyon); Soledad Canyon, wash of Bee Creek, tributary of Soledad Cree 525 Comment
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Jul 8 2014
  UCR124766  Lepidospartum squamatum B. C. Templeton 1932-8-26 5114 Los Angeles San Gabriel Mtns., Big Rock Creek, near Vincent Gap, Angeles National Forest 1905 Comment
  SEINET10759271  Lepidospartum squamatum John G. Lemmon 1872-1 Lemmon s.n. Los Angeles Santa Monica, Ca. Comment
  LA11480  Leptochloa fascicularis Marjorie Bowler; 1937-11-16 106 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  RSA602582  Leptochloa fusca subsp. uninervia L. C. Wheeler 1932-9-30 1409 Los Angeles Los Angeles River at Los Feliz Blvd. 122 Comment
  IRVC28765  Leptochloa uninervia A. C. Sanders, Mark Elvin 2002-8-7 25555 Los Angeles north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur Santa Clara River Valley 274 Comment
  UC1506115  Leptodactylon californicum Robert T. Clausen 1963-4-5 63033 Los Angeles along w side Malibu Creek (below Malibu Lake, Transverse Ranges); Transverse Ranges, w side Malibu Creek below Malibu Lake 195 Comment
  SBBG14238  Leptosiphon bicolor M. A. Piehl 1962-6-9 62317 Los Angeles head of cyn below Chenity and S of Mosquito Cove 304 Comment
  POM364635  Leptosiphon liniflorus Anstruther Davidson s.n. Los Angeles Mohave desert. Comment
  CHSC57169  Leptosyne bigelovii Carl W. Hill 1980-4-5 5 Los Angeles Ca 200 yds south of intersection of Hwy I-5 and Gorman, along side of road; 75 mi north of Los Angeles. 1158 Comment
  UCR84562  Lessingia filaginifolia T. S. Ross, Steve Boyd 1994-9-21 8283 Los Angeles San Gabriel Mtns., vicinity of West Summit (construed as knoll c. 85 m south of intersection of sections 3,4,9,10. 1709 Comment
  LA31702  Lessingia filaginifolia var. filaginifolia Henry J. Thompson; 1958-10-10 1808 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi. E of peak 701 Comment
  UCR223180  Lessingia glandulifera var. glandulifera R. G. Swinney 2009-7-22 11312 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  CAS-BOT-BC272298  Leymus X multiflorus Le Roy Abrams 1901-5-1 1671 Los Angeles Ballona Harbor Comment
  RSA187706  Leymus condensatus R. F. Thorne 1966-9-11 36640 Los Angeles Santa Catalina Island: lower Middle Ranch Canyon, ca. 0.75 mile above Ben Weston Beach 53 Comment
  UCSB50282  Lilium humboldtii Reisentz, Paul 1975-6-7 Los Angeles Twin Falls Reserve, 1 mile east on Stunt Rd. from Mulholland Hwy 274 Comment
  UCSB50283  Lilium humboldtii Reisentz, Paul 1975-6-7 Los Angeles Twin Falls Reserve, 1 mile east on Stunt Rd. from Mulholland Hwy 274 Comment
  SD30986  Limonium sinuatum Edith A. Purer 1931-5-4 1031 Los Angeles Palos Verdes Hills. Comment
  UC908214  Linanthus breviculus Margaret Stason 1927-5-14 Los Angeles Pinyon Ridge San Gabriel Mts. Comment
  RSA73290  Linanthus californicus F. W. Peirson 1918-5-4 158 Los Angeles Summit of Santa Monica Range, above Brents on the Malibu Comment
  SD41523  Linanthus californicus Darley F. Howe 1947-3-22 Los Angeles Topango Canyon, 6.0 miles from ocean. Comment
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May 22 2014
  UCD118514  Linanthus californicus James Dilley 1997-2-3 s.n. Los Angeles Porter Ranch Park in Chatsworth. On Browns Canyon Road north of Fwy 118. Comment
  UCSB42052  Linanthus californicus Palys, Joe 1978-6-3 Los Angeles Next to road, along Angeles Crest Highway, 1/2 mi. south of Mt. Gleason turnoff 914 Comment
  RSA775514  Linanthus concinnus Orlando Mistretta, Christine Mistretta 2010-5-20 5175 Los Angeles Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  UCR46093  Linanthus concinnus Kathy Harper 1986-5-16 s.n. Los Angeles San Gabriel Mtns., Along unpaved road from Alder Saddle to Pacifico Mtn, NW of Hwy 2 Comment
  RSA595338  Linanthus dichotomus subsp. dichotomus L. C. Wheeler 1967-5-8 9334 Los Angeles San Gabriel Mts [Liebre Mtns] between Bouquet Junction and Bonelli Ranch. 396 Comment
  RSA329745  Linanthus parryae Gary D. Wallace 1966-4-24 495 Los Angeles Along Hwy 138 just 1/2 mile S of Pearblossom Hwy. 762 Comment
  RSA271442  Linanthus parryae C. W. Tilforth, John Dourley, Walter Wisura 1978-4-17 1537 Los Angeles 3.5 miles east of Pearblossom and 3.5 air miles north of Bob's Gap along Hwy 168. 976 Comment
  UCSB11634  Linanthus parryae Wisehart, Karen 1962-5-4 Los Angeles along Highway 138, 2 miles east of Pearblossom Comment
  UC908615  Linanthus parviflorus Margaret Stason 1927-5-14 Los Angeles Big Pines San Gabriel Mts. Comment
  RSA166500  Linaria canadensis var. texana W. G. Webb 1935-2-16 s.n. Los Angeles Chevy Chase, Glendale Comment
  RSA400290  Linaria canadensis var. texana M. B. Dunkle 1939-4-6 7313 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  CAS-BOT-BC426265  Lithophragma affine M. E. Jones 1882-5-3 3223 Los Angeles Pasadena Comment
  SEINET3161061  Lithophragma affine G. B. Grant 1904-5-5 701 Los Angeles Garvanza Comment
  SFV1589  Lithophragma affine K. A. Wilson 1961-3-14 1029 Los Angeles Santa Monica Mountains Mulholland Highway, 2 miles west of Seminole Hot Springs. 460 Comment
  UCR108651  Lithophragma bolanderi L. C. Wheeler 1967-5-18 9627 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  POM78665  Lobelia dunnii var. serrata Albert J. Perkins 1912-10-20 s.n. Los Angeles Santa Anita Canyon, Sierra Madre. Comment
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Sep 16 2007
  VVC151  Lobularia maritima P. J. MacKay 1975-4-22 s.n. Los Angeles Campus of Cal Poly Pomona, Manison Lane 220 Comment
  UC23708  Loeseliastrum matthewsii Dr. A. Davidson 1895-1 91 Los Angeles Lancaster Comment
  RSA714801  Lolium perenne A. C. Sanders, Mark A. Elvin 2003-6-18 26940 Los Angeles Along crest road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch. 854 Comment
  SEINET269307 Image available Lolium perenne Scott D. White, Chet McGaugh 1995-5-9 2985 Los Angeles East edge of Santa Susana Mountains just west of San Gabriel Mountains 'Sunshine Canyon': west of San Fernando road and 457 Comment
  RSA452081  Lomatium dasycarpum M. B. Dunkle 1933-5-20 3541 Los Angeles Inspiration Point. Comment
  SBBG59708  Lomatium dasycarpum subsp. dasycarpum R. Hoffmann 1931-4-28 Los Angeles lower Bouquet Cyn Comment
  RSA699224  Lomatium lucidum Vasu Dev, Barbara Dev 2003-5-5 s.n. Los Angeles Lone Pine Canyon Rd. 1.3 miles from its junction with Highway 138. [San Bernardino Co.] 1126 Comment
  RSA97338  Lomatium nevadense var. parishii F. W. Peirson 1923-5-26 4459 Los Angeles Rock Creek Divide 2011 Comment
  UCR186901  Lomatium utriculatum A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32019 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  UC124589  Lonicera hispidula var. vacillans H. M. Hall 1908-6-15 8272 Los Angeles Swains Canyon Santa Catalina Island Comment
  UC187690  Lonicera hispidula var. vacillans Katharine Brandegee May 17 1916-May 26 1916 Los Angeles Santa Catalina Island Comment
  LA204612  Lonicera subspicata Geo. L. Fisher; 1920-7-12 sn Los Angeles San Gabriel Mountains, Mt. Wilson 518 Comment
  RSA0091091  Lonicera subspicata var. denudata R. G. Swinney 2011-5-26 14866 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  RSA455357  Lonicera subspicata var. denudata B. C. Templeton 1930-5-27 8943 Los Angeles Near Mulholland Drive. North of Hollywood. Comment
  SBBG112157  Lonicera subspicata var. denudata C. Bornstein, E. Collins 1997-4-14 Los Angeles base of Liebre Mts, USFS Rd N2, 1.2 mi W of jct with Sawmill Mtn Rd 1211 Comment
  SBBG69620  Lonicera subspicata var. denudata R. Hoffmann 1931-5-3 Los Angeles lower Bouquet Cyn Comment
  UCR68916  Lotus argophyllus subsp. ornithopus Steve Boyd, Et al. 1990-4-7 4204 Los Angeles Channel Islands, San Clemente Island: upper reaches of China Canyon, S end of Island, W side Comment
  POM24834  Lotus argophyllus subsp. ornithopus George B. Grant 1906-9-1 7162 Los Angeles Santa Catalina Island Comment
  RSA584618  Lotus argophyllus subsp. ornithopus T. S. Ross 1992-4-14 6182 Los Angeles San Clemente Island, central E side of island just below the mouth of Nanny Canyon on the rocky, rutted slope that drains northward. 137 Comment
  RSA191194  Lotus argophyllus var. argophyllus R. F. Thorne 1967-7-19 37208 Los Angeles West shore of Crystal Lake Comment
  POM220065  Lotus dendroideus var. dendroideus F. R. Fosberg 1932-5-6 8115 Los Angeles Santa Catalina Island. Ridge above Villa Park, Avalon 60 Comment
  RSA561590  Lotus grandiflorus var. grandiflorus Steve Boyd 1993-5-17 8146 Los Angeles North of sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. at the western edge of the forest on ridge at head of Elsmere Canyon, north of Sombrero Road (3N64) and west of communications facility. 883 Comment
  RSA3722  Lotus hamatus C. B. Wolf 1932-5-10 3512 Los Angeles Santa Catalina Island. Avalon Canyon above the east almond orchard. 121 Comment
  RSA714713  Lotus humistratus A. C. Sanders 2005-5-5 29929 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark Plum. 701 Comment
  RSA640963  Lotus oblongifolius L. C. Wheeler 1931-7-12 s.n. Los Angeles San Gabriel Mountains: San Dimas Canyon. Comment
  RSA652443  Lotus oblongifolius var. oblongifolius Marion P. Harthill 1972-4-8 640 Los Angeles [San Gabriel Mountains] Azuza Canyon, Angeles National Forest. 457 Comment
  UC69140  Lotus procumbens var. procumbens H. M. Hall Jun 1905 6264 Los Angeles Tejon Pass 1280 Comment
  SEINET4044575  Lotus salsuginosus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 259 Comment
  UCR280864  Lotus salsuginosus R. G. Swinney 2014-5-19 16562 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
  HSC98236  Lotus salsuginosus G. E. Anderson 1966-4-6 56 Los Angeles On Hwy. 1 N of Hwy. 27, 1 mi. right on coast. Comment
  RSA498804  Lotus salsuginosus var. salsuginosus Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  UCR258572  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-29 13006 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  RSA515118  Lotus scoparius subsp. traskiae Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-30 804 -2 Los Angeles San Clemente Island: Wilson Cove Canyon. Comment
  RSA406851  Lotus scoparius var. scoparius Kenneth R. Montgomery 1973-5-7 73 -146 Los Angeles site of LASCA Cistus field plot Comment
  UC1584841  Lotus scoparius var. scoparius Tim Ross 1991-4-8 4460 Los Angeles Elephant Hill, w Pomona Pomona, Elephant Hill, San Dimas U.S.G.S. 7.5' Quad. 228 Comment
  UCR223016  Lotus scoparius var. scoparius R. G. Swinney 2009-5-5 10622 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  RSA0098375  Lotus strigosus R. G. Swinney 2011-6-14 15123 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA587349  Lotus strigosus Orlando Mistretta 1992-5-4 226 Los Angeles Little Rock Creek, Alimony Ridge 1463 Comment
  RSA604531  Lotus strigosus Sara L. Crockett, Steven A. Junak, Mark Hoefs, Janet Takara 1997-3-28 625 Los Angeles Santa Catalina Island. N side of Cherry Harbor, overlooking mud flats, 40-60 m upslope. 49 Comment
  RSA674241  Lotus strigosus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 693 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 783 Comment
  RSA724520  Lotus strigosus K. Dobry 1991-5-2 580 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  UCR280679  Lotus strigosus R. G. Swinney 2014-5-27 16682 Los Angeles San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway 791 Comment
  RSA307849  Lotus strigosus H. J. Ramsey 1938-3-27 2725 Los Angeles Eaton Canyon Park, Altadena. Comment
  RSA586341  Lotus strigosus Orlando Mistretta 1995-3-17 1553 Los Angeles Slopes northwest of Little Rock Reservoir, on Emma section of Little Rock Creek Management Unit. 1128 Comment
  CAS-BOT-BC201417  Lupinus albifrons var. albifrons Carl B. Wolf 1932-5-13 3627 Los Angeles Santa Catalina Island. 100 yds. above the Wishbone, on the Avalon-Isthmus Road 243 Comment
  CATA82  Lupinus albifrons var. albifrons Peter Henrikson 1987-4-14 63 Los Angeles Santa Catalina Island: Avalon Canyon above baseball diamond, west aspect 76 Comment
  POM2615  Lupinus andersonii I. M. Johnston 1918-7-6 2086 Los Angeles Prairie Fork of San Gabriel River 1982 Comment
  RSA167567  Lupinus benthamii var. benthamii Robert F. Thorne, Percy C. Everett, K. Thorne 1964-4-15 33686 Los Angeles 10 miles NW of Mariposa Comment
  RSA496673  Lupinus benthamii var. benthamii A. C. Sanders, E. J. Lawlor 1988-4-3 7749 Los Angeles SW end Tehachapi Mountains, l mile NW of Gorman on gasline road, 0.4 mile above old highway. 1280 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
  RSA618781  Lupinus bicolor L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon approximately 1/2 mile east of Blum Ranch. 945 Comment
  RSA675941  Lupinus bicolor LeRoy Gross 2003-3-9 800 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south. 354 Comment
  UCD107128  Lupinus bicolor R. A. Blanchard 1932-4-17 2276 Los Angeles Lancaster. Comment
  SD126373  Lupinus bicolor D. B. Dunn 1947-4-16 2949 Los Angeles Route from Newhall to Palmdale; Acton Junction on northwest side of highway. Comment
  POM350033  Lupinus bicolor subsp. microphyllus N. C. Cooper 1948-5-13 2766 Los Angeles Pomona 305 Comment
  RSA0065881  Lupinus chamissonis Jeremiah George, Audrey George 2014-1-15 s.n. Los Angeles Redondo Beach, immediately east of intersection of Artesia Blvd. and Goodman Ave. 33 Comment
  UC127543  Lupinus concinnus J. Burtt Davy May 9 1896-May 24 1896 2499 Los Angeles Manzana , Manzana (Antelope Valley) Comment
  UCR142734  Lupinus concinnus L. C. Wheeler 1932-4-9 559 Los Angeles Western Mojave Desert, 2 mi. NW mouth of Kings Canyon, Antelope Valley 915 Comment
  CATA501  Lupinus concinnus Sara L. Crockett 1997-4-2 643 Los Angeles Santa Catalina Island: Third N/S-trending ridge on N side of Skull Canyon; 0.65 mile up Skull Canyon from jct. with Middle Canyon Road; ca. 0.25 mile up ridge 304 Comment
  POM9048  Lupinus concinnus P. A. Munz 1920-4-29 3799 Los Angeles San Dimas Canyon. 457 Comment
  RSA585322  Lupinus concinnus subsp. concinnus Tim S. Ross 1991-4-27 4730 Los Angeles Black Butte: rocky northeasterly slope E of the summit. 945 Comment
  RSA511005  Lupinus elatus R. F. Thorne 1968-9-24 41405 Los Angeles San Gabriel Mountains - Angeles National Forest: Roadside of Angeles Crest Highway near Cortelou Spring Comment
  LA205099  Lupinus excubitus var. johnstonii Carl Epling; 1931-5-16 sn Los Angeles San Gabriel Mountains, Big Pines Camp Comment
  CHSC96056  Lupinus formosus LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 699 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side; along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 695 Comment
  LA205056  Lupinus formosus Carl Epling; Nesta Dunn, Alice Goen 1931-5-16 sn Los Angeles San Gabriel Mountains, Big Pines Camp Comment
  UC198110  Lupinus formosus C. F. Baker 1904-4-2 4098 Los Angeles hills near Monrovia; hills near Monrovia Comment
  UCR238106  Lupinus formosus Mark A. Elvin, Julie M. Vanderwier 2002-5-7 2008 Los Angeles Western Transverse Range, Newhall Ranch, Magic Mountain, in agricultural fields east of amusement park and west if I-5 Fwy 351 Comment
  UCR270260  Lupinus formosus R. G. Swinney 2011-6-15 15158 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  OBI69325  Lupinus hirsutissimus John Knapp, Denise Knapp 2003-5-10 68 Los Angeles Catalina Island, 367196.09N x 3695593.63E 274 Comment
  UCSB34092  Lupinus hirsutissimus Nixon, Kevin 1977-2-11 Los Angeles Pickens Canyon, one mile north of junction of Canyonside Road and Service Road on slopes above stream 701 Comment
  CAS-BOT-BC211714  Lupinus longifolius Alice Eastwood 1919-7-4 9306 Los Angeles Santa Monica Canyon Comment
  RSA519405  Lupinus longifolius M. V. Hood 1940-4-7 s.n. Los Angeles Between San Fernando and Newhall 427 Comment
  RSA617305  Lupinus longifolius R. S. Woglum 1934-3-25 1473 B Los Angeles South Coast: Pacoima; San Fernando Valley. Comment
  UCR180363  Lupinus microcarpus Scott D. White, Pam Devries 2006-5-9 11404 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
  UCR145961  Lupinus microcarpus var. microcarpus Mark A. Elvin, Cathleen Weigand 2003-4-8 2455 Los Angeles Santa Clarita Valley, Newhall Ranch, flats south of confluence of Hasley Canyon with Castaic Creek 297 Comment
  CDA27541  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-16 1349 Los Angeles West edge of Antelope Valley, Ca. 198, 3.1 miles west of junction with County Road N2, 5.6 miles west of Gorman Post Road and I5. 0 Comment
  RSA0003463  Lupinus mollisifolius Theodore Payne 1918-06 3310 Los Angeles Sierra Madre. Comment
  SFV1898  Lupinus odoratus M. L. Vincent 1962-5-7 240 Los Angeles Mojave Desert Llano at junction of road to Mile High. Roadside on Highway 138. 965 Comment
  HSC24296  Lupinus odoratus var. odoratus J. Baltierra 1971-5-2 17 Los Angeles 15 mi. E of Palmdale on S slope of Lovejoy Buttes in Mojave Desert 976 Comment
  RSA628667  Lupinus peirsonii L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains 2012 Comment
  UCSB71776  Lupinus peirsonii Gross, LeRoy; Denslow, Michael 2003-6-4 Los Angeles Transverse Ranges; San Gabriel Mountains Region; southeast of Dawson Saddle, north side of Angeles Crest Highway (Hwy. 2); Near 34.36567N, 117.80069W (Crystal Lake 7.5 Quad.: T3N R9W S10, NE1/4, NE1/4) UTM Zone; 3802799N 042637E 2439 Comment
  UCR258730  Lupinus sparsiflorus R. G. Swinney 2010-6-23 13349 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
  RSA29233  Lupinus sparsiflorus subsp. sparsiflorus Joseph A. Ewan 1933-04 10909 Los Angeles Higgins Canyon. Santa Monica Mts. 457 Comment
  SBBG118480  Lupinus succulentus O. Mistretta 1992-7-13 698 Los Angeles Los Pinetos Spring Cyn Trail Comment
  SEINET953020  Lupinus succulentus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-1 26138 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, noth of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Cataic Lake dam (Warm Springs Mtn. 7.5' Q). 488 Comment
  UCR214590  Lupinus succulentus A. C. Sanders, Dan S. Cooper 2010-4-30 38117 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA133779  Lupinus succulentus H. J. Thompson 1959-4-12 1931 Los Angeles Santa Monica Mountains, 2 miles west of Las Virgenes Road, Mulholland Highway 305 Comment
  RSA251399  Lupinus succulentus Robert F. Thorne 1966-4-15 35995 Los Angeles San Clemente Island: 2/3 miles SSE of Eel Point (and N of seal Cove), SW side of island 30 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
  CHSC8295  Lupinus truncatus Edward L. Smith 1957-4-29 172 Los Angeles Plant from Cactus Garden, Pomona College, Claremont. 365 Comment
  SBBG122522  Lupinus truncatus R. Burgess, C. Davis, B. Meiners, P. Munro 1999-4-17 3235 Los Angeles Canton Cyn, NE of Lake Piru, N side of Canton Crk, above second narrows 457 Comment
  UCR260032  Lupinus truncatus R. G. Swinney 2010-4-21 12328 Los Angeles San Gabriel Mountains, Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  RSA414356  Lupinus truncatus M. B. Dunkle 1939-4-7 7334 Los Angeles Pyramid Cove, San Clemente Island. Comment
  CAS-BOT-BC7535  Lupinus truncatus var. burlewii Fred E. Burlew 1920-1-1 s.n. Los Angeles Los Angeles. Comment
  UCR147754  Luzula comosa L. C. Wheeler 1954-8-31 7062 Los Angeles San Gabriel Mountains, Cooper Creek near confluence with Little Rock Creek, Buckhorn 1738 Comment
  CAS-BOT-BC231364  Lycium andersonii Robert F. Thorne; C. W. Tilforth 1973-4-20 42985 Los Angeles San Gabriel Mts., Mojave Desert slope: 1 mi N of Bob's Gap, 3.2 mi S of Llano, N slope of Holcomb Ridge 1143 Comment
  RSA587758  Lycium andersonii Tim S. Ross 1991-4-27 4705 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  SBBG18820  Lycium californicum E. R. Blakley 1963-4-7 5498 Los Angeles Little Harbor 15 Comment
  CAS-BOT-BC231600  Lycium cooperi Timothy S. Ross; J. Mark Porter 1994-5-1 7580 Los Angeles Southwestern Mojave Desert: Open desert, ca 1870 m SW of Three Sisters buttes, along Black Butte Basin Road 966 Comment
  UC1334663  Lycium cooperi J. E. Stumbo and J. C. Bayse 1966-4-11 LASCA 539 Los Angeles ca 6 mi s Palmdale Comment
  RSA155792  Lyonothamnus floribundus subsp. floribundus Peter H. Raven 1962-5-20 17786 Los Angeles Santa Catalina Island. Grove above White's Landing on Airport Road. 427 Comment
  SDSU9098  Lyonothamnus floribundus subsp. floribundus D. F. Howe 1953-5-2 2269 Los Angeles Head of Wain Canyon, Santa Catalina Island. Comment
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Jun 10 2014
  UCR125183  Lythrum californicum A. C. Sanders, Mark Elvin 2002-6-25 25262 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  RSA77785  Lythrum californicum F. W. Peirson 1920-9-5 291 Los Angeles Eaton Canyon, south base of San Gabriel Mountains. 457 Comment
  JEPS12574  Madia elegans Frank W. Peirson 1918-8-16 237 Los Angeles San Antonio Canyon San Gabriel Mountains 1341 Comment
  CAS-BOT-BC343704  Madia elegans Timothy S. Ross; Steve Boyd 1994-5-4 7659 Los Angeles Liebre Mountains. Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley 1389 Comment
  CHSC95539  Madia gracilis LeRoy Gross; Naomi Fraga 2002-5-10 538 Los Angeles Transverse Ranges: San Gabriel Mountains Region: (Angeles National Forest road survey of 2002). Upper Monroe Road (2N16), from Camp Oak Grove to Glendora Mountain Road. 476 Comment
  RSA729944  Madia gracilis R. G. Swinney, D. W. Larson 1999-6-25 7411 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
  UCR227648  Madia gracilis R. F. Thorne, Percy C. Everett 1965-5-12 34623 Los Angeles Channel Islands; Santa Catalina Island, Bullrush Canyon 244 Comment
  UCR259129  Malacothamnus R. G. Swinney 2010-5-4 12528 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  UC1738524  Malacothamnus clementinus Steven A. Junak 1997-4-23 SCI 865 Los Angeles ca. 2.3 mi SW of Thirst (terrace on E side of Norton Canyon, near base of escarpment between two terraces); San Clemente Island 268 Comment
  CAS-BOT-BC230903  Malacothamnus davidsonii Joseph Andorfer Ewan 1934-8-3 8448 Los Angeles Auto road up Table Mt., head of Le Montaine Creek 2225 Comment
  RSA699606  Malacothamnus davidsonii Ken McDonald, Linda Flory 2002-9-4 s.n. Los Angeles Hansen Dam. Comment
  CAS-BOT-BC206221  Malacothamnus fasciculatus Joseph Andorfer Ewan 1936-7-22 9822 Los Angeles Blue Ridge near Big Pines auto road jct., San Gabriel Mts. 2286 Comment
  LA105093  Malacothamnus fasciculatus Barry A. Prigge; 1988-7-3 8230 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
  POM243806  Malacothamnus fasciculatus F. R. Fosberg 1931-7-15 S- 5425 Los Angeles Isthmus, Santa Catalina Island. 5 Comment
  RSA0091130  Malacothamnus fasciculatus R. G. Swinney 2010-5-7 12580 Los Angeles Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  RSA213346  Malacothamnus fasciculatus Reid V. Moran 1941-3-3 670 Los Angeles brink of cliff by the falls, near Parson s Landing, Santa Catalina Island 200 Comment
  SD73407  Malacothamnus fasciculatus Stanislaw Modzelewski 1962-7-30 475 Los Angeles Above Malibu, on coastal slope of Santa Monica Mountains, Southwestern Los Angles County. 456 Comment
  SBBG38761  Malacothamnus fasciculatus var. catalinensis R. Moran 1941-3-3 670 Los Angeles near Parson's Landing 60 Comment
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Oct 15 2014
  SBBG17364  Malacothamnus fasciculatus var. fasciculatus M. Vincent 1962-7-18 264 Los Angeles Mulholland Hwy, 2 mi W of Old Topanga Cyn turnoff Comment
  CAS-BOT-BC206372  Malacothamnus fremontii Timothy S. Ross; Steve Boyd 1990-6-18 3498 Los Angeles 1500 m due N of Jackson Lake, betwen the Boulder Canyon and Mescal Creek drainages, Ball Flat - San Gabriel Mountains 1767 Comment
  RSA603821  Malacothamnus marrubioides Steve Boyd 1997-9-17 10037 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  CAS-BOT-BC345409  Malacothrix clevelandii S. B. Parish; W. F. Parish 1882-10-1 1132 Los Angeles Coast Mts near Santa Monica Comment
  RSA733754  Malacothrix clevelandii R. G. Swinney 2000-5-28 7787 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Redbox Road 2.1 mi. SW of Hwy 39 at Rincon Station; +/-1000. 732 Comment
  UC218124  Malacothrix clevelandii P. A. Munz, R. D. Harwood 1920-5-2 3830 Los Angeles San Dimas Canyon 457 Comment
  RSA354866  Malacothrix foliosa F. C. Boutin 1967-4-23 1618 Los Angeles San Clemente Island: Between main airstrip and Wilson Cove Comment
  OBI6198  Malacothrix glabrata Shirley Vaughn 1974-5-11 8 Los Angeles Lancaster 718 Comment
  CATA1290  Malacothrix saxatilis var. tenuifolia Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2379 Los Angeles Santa Catalina Island: Parsons' Landing 323 Comment
  JEPS36608  Malacothrix saxatilis var. tenuifolia Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Los Angeles Comment
  POM362376  Malacothrix saxatilis var. tenuifolia Robert Gustafson 1980-7-9 1808 Los Angeles Ballona Wetlands, Area 3. Comment
  POM362381  Malacothrix saxatilis var. tenuifolia Mary H. Ward 1970-6-19 LASCA- 938 Los Angeles San Rafael Hills, behind Linda Vista, southwestern Pasadena Comment
  RSA0105045  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-4-26 14483 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
  SEINET13276789 Image available Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-1 14483 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
  UCSB73229  Malacothrix saxatilis var. tenuifolia Gross, LeRoy; Denslow, Michael; Hogshead, Bill; Swartzentruber, Sarah 2003-6-17 Los Angeles Transverse Ranges; Verdugo Mountains region; South side of mountains; Brand Canyon, below the large waterfall, where the canyon forks off; (Burbank 7.5 Quad.: T1N R13W S8, NW1/4) UTM Zone 11; 3783985N 0383011E 393 Comment
  RSA18520  Malosma laurina C. B. Wolf 1927-7-24 678 Los Angeles Chevy Chase Drive between Flintridge and Glendale Comment
  RSA386413  Malosma laurina F. R. Fosberg 1931-6-19 S- 5127 Los Angeles Carbon Canyon, Puente Hills Range. Comment
  POM62150  Malva nicaeensis Roxana Stinchfield 1916-6-15 272 Los Angeles House yard - College City. Comment
  RSA434876  Malva nicaeensis Anstruther Davidson 1919-06 3318 Los Angeles Temple and Bonnie Brae, Los Angeles Comment
  UC198523  Malva parviflora Katharine Brandegee May, 1916 Los Angeles Santa Catalina Island Comment
  UC1587715  Malva parviflora Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5105 Los Angeles above Nots Pier (on road near the top of the eastern escarpment, 1400 ft nnw of the 553 ft BM, San Clemente Island); San Clemente Island 138 Comment
  SEINET1004067  Malva sylvestris A. C. Sanders, Lee Jones 2005-1 29347 Los Angeles South Coast: Palos Verdes Peninsula, old MarineLand Site on Long Point and Bluffs toward Pt. Vicente (Redondo Beach 7.5' Q) 2 Comment
  SBBG129111  Malva sylvestris M. Ries 2001-2-17 Los Angeles Santa Clarita 441 Comment
  SEINET3143105  Malvella leprosa G. B. Grant 1904-6-5 1199 Los Angeles Ballona Comment
  UCR98787  Marah horrida Steve Boyd, T. S. Ross 1997-3-21 9218 Los Angeles Liebre Mountains, Portal Ridge, about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring 1183 Comment
  UC76642  Marah macrocarpa Geo. B. Grant April, 1902 778 Los Angeles Pasadena Comment
  RSA604499  Marah macrocarpa var. macrocarpa L. C. Wheeler 1933-5-5 1702 Los Angeles San Gabriel Mountains: Fish Canyon 304 Comment
  SD52844  Marah macrocarpa var. major Peter H. Raven 1962-4-9 17160 Los Angeles San Clemente Island, arroyo above Wilson Cove Comment
  SFV6181  Marrubium vulgare R. M. Muran 1974-2-14 14 Los Angeles Santa Monica Mountains Zuma Canyon. 457 Comment
  SFV1921  Medicago polymorpha C. Gasser 1956-3-17 s. n. Los Angeles Point Dume. Right off Highway 101 by pink gates. 91 Comment
  PASA634  Melica imperfecta Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  POM158020  Melica imperfecta M. B. Dunkle 1928-3-31 1791 Los Angeles Cottonwood Canyon, Santa Catalina Island. Comment
  RSA0097171  Melica imperfecta R. G. Swinney 2011-6-1 14972 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  RSA244856  Melica imperfecta F. R. Fosberg 1931-4-29 4719 Los Angeles Santa Catalina Island. Between Cottonwood and Middle Ranch Canyon Comment
  RSA595412  Melica imperfecta Mark Hoefs, R. F. Thorne 1996-4-6 2606 Los Angeles Santa Catalina Island, Pebbly Beach. 6 Comment
  UCR150870  Melica imperfecta R. G. Swinney, Dave Larson 1999-5-15 7175 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  SEINET4671613  Melica imperfecta H. Jensen 1933-4-3 279 Los Angeles OFF Forests (CAL, S), Sierra Pelona Valley 823 Comment
  SD232691  Melilotus indicus Scott D. White 1996-5-15 4040 Los Angeles Coastal Los Angeles County: Marina Del Rey area; Ballona Ck. Floodplain W of Lincoln Bl. andS of Jefferson Bl. 3 Comment
  RSA409914  Mentha canadensis L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
  SD113282  Mentzelia affinis D. F. Howe 1959-5-3 2716 Los Angeles 15 miles west of Lancaster Comment
  RSA0014582  Mentzelia congesta Orlando Mistretta, Christine Mistretta 2011-6-18 5718 Los Angeles Aliso Cyn drainage, E side of Gleason Cyn on Forest Rd. 4N24. 1508 Comment
  RSA729754  Mentzelia congesta R. G. Swinney 1999-7-5 7523 Los Angeles San Gabriel Mtns.: Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines highway at a point 0.5 mi. west of junction of Hwy 2. 1866 Comment
  UC284773  Mentzelia congesta P. A. Munz 1923-5-25 6799 Los Angeles San Gabriel Mts. Big Rock Creek 1280 Comment
  SEINET7042258  Mentzelia dispersa A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle. UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  UCSB4244  Mentzelia dispersa B., K. Los Angeles San Dimas Experimental Forest, south side of burn area, San Gabriel Mountains Comment
  RSA440456  Mentzelia laevicaulis F. R. Fosberg 1931-8-10 55639 Los Angeles Crystal Lake, Pine Flats: N. Fork, San Gabriel Canyon, San Gabriel Mountains 1600 Comment
  RSA440478  Mentzelia lindleyi Geo. C. Johnstone 1926-5-6 s.n. Los Angeles Elysian Park, Los Angeles. Comment
  CATA1997  Mentzelia micrantha Steven A. Junak, Mark Hoefs 1997-6-4 410 Los Angeles Santa Catalina Island: W end of Empire Landing rock quarry site, on E side of small canyon 36 Comment
  RSA446766  Mentzelia micrantha L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  RSA562932  Mentzelia micrantha D. Charlton 1991-7-5 5501 Los Angeles Lake Hughes Rd. on roadside burn area south of Castaic Lake, 1 mile NW of Visitor Center 396 Comment
  RSA314604  Mentzelia montana Robert F. Thorne 1973-5-11 43512 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  RSA314582  Mentzelia veatchiana Robert F. Thorne, C. W. Tilforth 1973-4-20 43034 Los Angeles San Gabriel Mts., Mojave Desert slopes: ridge N of Shoemaker Canyon, 3 mi. WNW of Mile High & c. 1.5 mi E of Big Rock Springs 1372 Comment
  RSA503196  Mentzelia veatchiana Gary D. Wallace 1966-4-24 496 Los Angeles Along Hwy 138 just 1/2 mile south of where it joins Pearblossom Hwy. 9 miles east of Pearblossom. 762 Comment
  RSA599613  Mentzelia veatchiana Steve Boyd, Lauren Raz 1997-4-16 9507 Los Angeles Liebre Mountains region: Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5. 854 Comment
  CAS-BOT-BC167629  Mentzelia veatchiana Timothy S. Ross; Steve Boyd 1994-5-25 7899 Los Angeles West Summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersection of sections 3, 4, 9, & 10 1708 Comment
  RSA757331  Mentzelia veatchiana Orlando Mistretta, Christine Mistretta 2008-4-3 2296 Los Angeles 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
  SBBG94226  Mesembryanthemum crystallinum F. R. Fosberg 1931-5-18 4891 Los Angeles Little Harbor 2 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
  CAS-BOT-BC349181  Microseris elegans K. L. Chambers 1954-4-26 496 Los Angeles Ventura Blvd. (Hwy. 101), Russell Valley, ca. 3 mi. e. of Thousand Oaks Comment
  RSA612183  Mimulus aurantiacus Damian Ross 1997-4-19 28 Los Angeles Bernard Biological Field Station, Claremont Colleges. W of Infirmary Rd. about 30 feet off the road, about halfway up. 412 Comment
  RSA447920  Mimulus aurantiacus var. pubescens Gary D. Wallace 1964-5-18 s.n. Los Angeles San Dimas. Comment
  RSA190940  Mimulus aurantiacus var. puniceus Robert F. Thorne 1967-5-20 36903 Los Angeles Santa Catalina Island. 1/3 way from Airport Rd. to mouth of Descano Canyon. 213 Comment
  UCR206444  Mimulus bigelovii R. G. Swinney 2008-6-10 9007 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail 1585 Comment
  LA51873  Mimulus brevipes Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  POM8951  Mimulus brevipes P. A. Munz, R. D. Harwood 1920-4-21 3690 Los Angeles San Dimas Canyon, [San Gabriel Mountains] 457 Comment
  SFV3378  Mimulus brevipes M. L. Vincent 1962-3-30 159 Los Angeles Santa Monica Mountains Mulholland Highway, 2 miles west of Old Topanga Canyon Road. Roadside. 440 Comment
  POM30  Mimulus cardinalis D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  UCD94028  Mimulus cardinalis Joel Smith; Dena Grossenbacher 2008-8-3 JS 01 Los Angeles Cobal Canyon, Clairmont Wilderness Park about 0.5 miles north of trailhead along trail. 542 Comment
  RSA0115255  Mimulus floribundus Richard G. Swinney 2010-5-25 12944 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UC483215  Mimulus floribundus L. R. Abrams and I. L. Wiggins 1931-7-6 394 Los Angeles vicinity Mosquito Harbor; Channel Islands, San Clemente Island Comment
  RSA627570  Mimulus floribundus Sandy Leatherman, Brian Daniels 1998-7-1 27 Los Angeles San Gabriel Canyon. North of State Route 39 and east of Roberts Canyon. 305 Comment
  RSA80075  Mimulus floribundus F. W. Peirson 1916-06 1123 Los Angeles Arroyo Seco, near Pasadena Comment
  LA104038  Mimulus guttatus Barry A. Prigge; 1986-4-20 7020 Los Angeles Tehachapi Mountains, 0.4 mi. E of Gorman on Lancaster Road 1127 Comment
  UCR194262  Mimulus moschatus R. G. Swinney 1998-8-5 6651 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1280 Comment
  UCR204215  Mimulus moschatus R. G. Swinney 2001-9-16 8165 Los Angeles San Gabriel Mountains, 100 m east of Little Jimmy Spring Canyon, south Fork, south of Hwy 2, 0.6 mi due east of Mt. Islip and c. 2 mi north of Crystal Lake 2207 Comment
  RSA748749  Mimulus pilosus R. G. Swinney 2005-8-15 8483 Los Angeles Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon. 1341 Comment
  RSA246466  Minuartia douglasii F. R. Fosberg 1931-4-29 S 4721 Los Angeles Middle Ranch Canyon, Santa Catalina Island 180 Comment
  POM18174  Minuartia douglasii P. A. Munz 1923-3-14 6590 Los Angeles 2 miles north of Claremont. 427 Comment
  RSA710812  Minuartia douglasii LeRoy Gross 2005-5-3 2237 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
  UCR125780  Mirabilis jalapa A. C. Sanders 2003-5-26 26834 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
  UCR149896  Mirabilis laevis R. G. Swinney 1999-6-18 7310 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  OBI69258  Mirabilis laevis var. crassifolia John Knapp, Denise Knapp 2003-5-10 55 Los Angeles Catalina Island 427 Comment
  UC7655  Mirabilis laevis var. crassifolia Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  UC851748  Mirabilis laevis var. crassifolia Marcus E. Jones 1882-2-25 3020 Los Angeles Pasadena Comment
  UC557812  Mirabilis laevis var. crassifolia Nell Murbarger Mar 1936 234 Los Angeles San Clemenete Island, California Comment
  UC1293671  Mirabilis laevis var. villosa P. C. Everett and E. K. Balls 1959-5-22 23808 Los Angeles Big Rock Creek, N slopes, San Gabriel Mountains 1219 Comment
  RSA464228  Mirabilis laevis var. villosa Robert Gustafson 1978-6-21 1025 Los Angeles Lower Hungry Valley, Freeman Canyon, about 4.0 miles south of Gorman 945 Comment
  UCR186362  Mirabilis multiflora Michael Honer 2007-4-24 2526 Los Angeles Tehachapi Mtns. Foothills, east end of Oso Canyon, c. 1.5 mi. north of Hwy 138 976 Comment
  RSA0070133  Monardella breweri subsp. breweri Orlando Mistretta, Christine Mistretta 1982 Los Angeles Saddleback Butte State Park. 824 Comment
  RSA250565  Monardella cinerea Robert F. Thorne, Dourley 1967-10-3 37287 Los Angeles Mt. Baden-Powell, N of peak 2744 Comment
  RSA717869  Monardella cinerea R. G. Swinney 1995-8-28 4476 Los Angeles West Mt. Baldy Summit, 11S MH-4E, 9N 3012 Comment
  UC130970  Monardella exilis Katharine Brandegee May 1909 Los Angeles Lancaster Mohave Desert Comment
  SEINET3996158 Image available Monardella exilis Victor Duran 1933-5-23 3415 Los Angeles Near Lancaster 716 Comment
  UCR146201  Monardella linoides Scott D. White 2004-8-11 10706 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
  CHSC68013  Monardella saxicola 1990-7-11 Los Angeles Grown in the garden of J. Sorenson, with a note written by James Jokerst, ''Type' locality,' I.e., Brown's Flats, San Gabriel Mountains. Comment
  RSA0010782  Morus alba A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37073 Los Angeles Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  CAS-BOT-BC108996  Mucronea californica Ernest Braunton 1902-6-4 s.n. Los Angeles South Los Angeles River. Comment
  SBBG62244  Mucronea perfoliata R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  SEINET179637 Image available Muhlenbergia californica Victor Duran 1933-8-11 3546 Los Angeles South Fork Big Rock Creek San Gabriel Mts. 1600 Comment
  UCR163982  Muhlenbergia californica Naomi Fraga, LeRoy Gross, Orlando Mistretta, Maybeth Alva 2004-6-14 1256 Los Angeles Transverse Ranges; San Gabriel Mountains region, Day Canyon, past old gauging Station, north of Day Canyon Ave., south of Cucamonga Peak 1037 Comment
  CAS-BOT-BC274974  Muhlenbergia rigens Timothy S. Ross; Steve Boyd 1994-9-21 8331 Los Angeles Liebre Mountains. Cow Spring Pond: sag pond on the San Andreas Fault Zone at the N foot of Liebre Mountain and on the S side of W Oakdale Canyon Road, ca 100 m W of the Cow Spring Canyon drainage, NW edge of pond 1155 Comment
  RSA403605  Muhlenbergia rigens Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak. Comment
  SBBG57543  Muilla maritima M. N. Ackley -Jun-1922 666 Los Angeles Glendale 182 Comment
  CAS-BOT-BC515095  Muilla maritima Geo. B. Grant 1905-4-20 803 Los Angeles Pasadena, southern California Comment
  UC1595351  Muilla maritima Tim Ross 1992-5-17 6354 Los Angeles 164 degrees sse and ca 555m distant from mouth of Shoemaker Canyon (w-facing slope above sandy bench); San Gabriel Mountains, E Fork of the San Gabriel River 658 Comment
  RSA0010801  Myoporum laetum Robert Gustafson 1981-2-4 2095 Los Angeles Ballona Wetlands, southwestern section of Area 1. Comment
  PASA2103  Nama demissa Margaret Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
  POM353177  Nassella cernua F. R. Fosberg 1931-3-19 4308 Los Angeles Santa Catalina Island. Hamilton Canyon, near Avalon 10 Comment
  RSA524186  Nassella cernua Timothy S. Ross, Steve Boyd 1990-6-6 2863 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  POM155804  Nassella pulchra M. B. Dunkle 1928-4-21 1876 Los Angeles Santa Catalina Island: Renton Mine Hill. 365 Comment
  RSA776173  Nemacladus pinnatifidus Orlando Mistretta, Christine Mistretta 2010-6-16 5328 Los Angeles Transverse Ranges; San Gabriel Mts region: Upper Big Tujunga canyon; Lynx Gulch drainage 0.86 air miles NE of junction of Lynx Gulch Road with Upper Big Tujunga Canyon Road, along Southern California Edison transmission line corridor. 1175 Comment
  RSA0126418  Nemacladus sigmoideus Steve Boyd, Orlando Mistretta 1986-3-31 1558 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA596128  Nemacladus sigmoideus T. S. Ross, S. D. Boyd 1995-6-29 8658 Los Angeles Near west summit of Liebre Mountain. 1707 Comment
  SEINET10840505  Nemacladus sigmoideus Hoffman 1929-5-20 HOFFMAN s.n. Los Angeles Comment
  SFV10208  Nemophila menziesii var. integrifolia J. G. Cuti 1978-4-19 58 Los Angeles Verdugo Mountains About 2 miles from end of Walnut Ave. on Stough Canyon fire road. 610 Comment
  RSA421316  Nemophila menziesii var. menziesii John P. Hill 1929-4-29 s.n. Los Angeles Verdugo Woodland Comment
  SBBG37659  Nemophila pedunculata R. Moran 1941-3-6 681 Los Angeles Middle Ranch Cyn 300 Comment
  UC1366006  Nemophila pulchella var. gracilis Paul Currie 1969-7 Los Angeles vicinity Altadena (Millard Canyon, San Gabriel Mountains); San Gabriel Mountains, vicinity of Altadena 609 Comment
Read comments
Feb 20 2007
  CAS-BOT-BC231571  Nicotiana glauca Henry J. Thompson 1958-10-22 1809 Los Angeles Santa Monica Mountains. North slope of Mount Hollywood, Griffith Park 381 Comment
  CDA5794  Nicotiana glauca Phillipson 1915-5-6 Los Angeles Monrovia. Comment
  RSA426778  Nicotiana glauca N. R. Zabriskie, Walter Zabriskie 1971-10-30 461 Los Angeles One of 2 individuals with Sambucus mexicana in untended area west side storm drain, north side bridge, Mission St. east of Garfield Ave., So. Pasadena Comment
  SBBG128071  Nicotiana glauca B. E. Carter 2012-8-23 6988 Los Angeles Airport Rd, ca. 0.25 mi N of Middle Ranch Rd 405 Comment
  UCR205882  Nicotiana quadrivalvis A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37083 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  SEINET12856148  Nicotiana quadrivalvis George B. Grant 1901-1 839 Los Angeles Covina Comment
  JEPS19054  Notholaena californica subsp. californica Louis C. Wheeler 955 Los Angeles 3/4 mi from Rogers Canyon; San Gabriel Mtns. 304 Comment
  UC885959  Nuttallanthus texanus Ira W. Clokey, B. Templeton Mar. 1929 4505 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 350 Comment
  RSA458914  Oenanthe sarmentosa Frances M. Morey s.n. Los Angeles Culver City Comment
  POM50649  Oenothera deltoides subsp. deltoides A. D. E. Elmer 1902-06 3810 Los Angeles Lancaster. Comment
  UC314074  Oenothera deltoides subsp. deltoides A. D. E. Elmer June 1902 3810 Los Angeles Lancaster Comment
  RSA0056391  Oenothera micrantha var. ignota Jim Shevock 1971-3-7 745 Los Angeles Tapia County Park. 252 Comment
  SEINET9037782 Image available Opuntia M. A. Baker, Michelle Cloud-Hughes 2015-1 18408 Los Angeles Claremont, 300m south of the SE base of Indian Hill 402 Comment
  POM321005  Opuntia ficus-indica Lyman Benson, L. Scheinvar 1975-2-16 LS- 1652 Los Angeles La Verne. Comment
  SBBG107239  Opuntia littoralis J. Rebman, J. Dunn 1996-4-29 3119 Los Angeles Eel Cove, near Eel Pt 10 Comment
  CAS-BOT-BC56861  Opuntia oricola LeRoy Abrams 1902-6-9 2515 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  POM287285A  Opuntia oricola David Griffiths 1908-1 9118 Los Angeles San Pedro. Comment
  RSA439560  Opuntia oricola F. H. Elmore 1939-2-18 382 Los Angeles San Clemente Island. Comment
  POM18231  Opuntia prolifera P. A. Munz 1923-4-13 6788 Los Angeles San Clemente Island. Comment
  CAS-BOT-BC502618  Orobanche bulbosa Steve Boyd; Lauren Raz 1997-3-25 9320 Los Angeles Liebre Mountains Region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km NE of Knapp Ranch 1280 Comment
  RSA0040131  Orobanche californica subsp. feudgei Orlando Mistretta 1990-6-15 s.n. Los Angeles Little Rock Creek 1028 Comment
  UC303473  Orobanche parishii I. M. Johnston 1917-7-4 1429 Los Angeles San Antonio Mountains, Evey Canyon Evey Canyon; San Antonio Mountains, Evey Canyon 1066 Comment
  RSA0084359  Orobanche parishii F. R. Fosberg, Joseph A. Ewan 1931-8-12 s.n. Los Angeles Summit Mt. Islip, San Gabriel Mts. 2500 Comment
  RSA402091  Orthocarpus purpurascens M. Bisbee 1917-4-15 s.n. Los Angeles Low dry hills, e. Eagle Rock Comment
  RSA599331  Orthocarpus purpurascens var. purpurascens Steve D. Boyd, Lauren Raz 1997-3-26 9359 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  SEINET10920902  Oryza sativa Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2549 Los Angeles City of Los Angeles. Little Tokyo. Enbun Market, 124 Japanese Village Plaza. Comment
  CAS-BOT-BC355756  Osmadenia tenella Alice Eastwood 1906-5-27 11 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  POM67102  Osmorhiza brachypoda Marcus E. Jones 1924-05 s.n. Los Angeles Stoddard Canon Comment
  RSA162823  Oxalis albicans subsp. californica Olmsted 1958-3-17 60 Los Angeles Johnson's Pasture Road. With southwest drainage along Thompson Creek. 1 1/4 mile northwest of intersection Indian Hill and Baseline, northwest of Claremont. 473 Comment
  LA50662  Oxalis californica Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA188327  Oxalis corniculata Robert F. Thorne 1966-5-31 36428 Los Angeles Santa Catalina Island: Avalon. 8 Comment
  RSA785299  Oxalis corniculata Doris Bowers 1957-5-20 110 Los Angeles LaVerne College 305 Comment
  POM353466  Oxalis pes-caprae F. R. Fosberg 1931-4-9 S 4523 Los Angeles Descanso Canyon, Santa Catalina Island. 5 Comment
  UCR147616  Oxytheca caryophylloides Rashmi Pant, Nitin Bhatt 1997-5-25 1043 Los Angeles Transverse Ranges; San Gabriel Mountains region, Along the Angeles Crest Hwy (Hwy 2) at milepost 59.0. 1.2 miles west of Kraftka Ridge Ski Resort and 5.2 miles west of the junction of California Hwy 39 1982 Comment
  POM175433  Oxytheca parishii var. parishii Joseph A. Ewan 1930-6-25 2681 Los Angeles South slope Mt. Islip; San Gabriel Mountains 2454 Comment
  UC205916  Oxytheca parishii var. parishii I. M. Johnston 1917-6-20 1487 Los Angeles Baldy U.S.F.S. Lookout San Antonio Mountains 1981 Comment
  UCR101298  Oxytheca trilobata L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mtns, Devil's Canyon, depression on bench NE of campground 1433 Comment
  RSA196940  Oxytheca trilobata Noel Holmgren, James L. Reveal 1966-5-29 2610 Los Angeles San Gabriel mountains, ridge east of Mt. Gleason, 2.7 road miles west of Mill Creek summit. 1768 Comment
  RSA64772  Oxytheca trilobata Joseph A. Ewan 1932-6-14 7403 Los Angeles above Sulphur Springs, east of Mt. Pacifico, San Gabriel Mts. 1677 Comment
  RSA21781  Packera breweri C. B. Wolf 1937-5-20 8742 Los Angeles Tehachapi Mts., 1 mi. so. of Tejon Pass on Hungry Valley Road. 1280 Comment
  RSA221498  Paeonia californica Arthur C. Gibson 1971-4-2 1811 Los Angeles Angeles National Forest, opposite Mountain Avenue near Lower San Antonio Ranger Station 762 Comment
  RSA599214  Paeonia californica Louis C. Wheeler 1968-3-28 s.n. Los Angeles Foothills of San Gabriel Mountains: Vicinity of stables, Brown School for Girls. 335 Comment
  UCR206507  Panicum miliaceum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36968 Los Angeles San Gabriel Valley, confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  LA200735  Papaver californicum W. O. Griesel; 1936-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Decker Road near Mulholland Hwy. 457 Comment
  SEINET191361  Pappostipa speciosa A. A. Beetle 1942-4-24 3209 Los Angeles 6 mi W of Llano in Larrea Comment
  CATA2036  Parietaria hespera var. californica Steven A. Junak, Keri Kirkland 1998-5-2 652 Los Angeles Santa Catalina Island: Near top of coastal bluffs, ca. 1.0 air miles W of East Peak, at end of ridge SW of Peak 1245 228 Comment
  SBBG20508  Parietaria hespera var. californica E. R. Blakley 1963-12-8 6391 Los Angeles head of cyn above Mosquito Cove and between Triangulation Pts Malo and Chenity Comment
  UCR142550  Parietaria hespera var. hespera L. C. Wheeler 1933-5-5 1703 Los Angeles Transverse Ranges; San Gabriel Mtns, Fish Canyon, 0.25 mi below falls 396 Comment
  UCR252749  Parthenocissus vitacea R. G. Swinney 2010-9-1 13643 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  RSA733146  Paspalum vaginatum R. E. Riefner 2006-7-8 6 -290 Los Angeles City of Malibu, Malibu Lagoon, W. lagoon South of Pacific Coast Hwy. 1 Comment
  UCR204904  Paspalum vaginatum R. E. Riefner Jr. 2006-7-8 06- 293 Los Angeles South Coast, city of Malibu, Malibu Lagoon, east lagoon near Surfrider Beach 0 Comment
  SDSU21498  Passiflora caerulea Ian Cain 2010-4-29 1393 Los Angeles North east of Montebello. Whitter Narrows County Reserve, 500 meters east of intersection of Durfee Avenue and Rosemead Blvd 66 Comment
  SEINET10682157  Passiflora citrina S. Krosnick 2008-7-27 Krosnick 430 Los Angeles In cultivation at RSABG greenhouses. Material obtained from Tim Skimina. Original locality information equivalent to T.S. GPS #101 in Honduras Comment
  RSA590065  Pectocarya penicillata Orlando Mistretta 1994-3-30 989 Los Angeles Little Rock Creek, slopes E of creek below Little Rock Dam. 1158 Comment
  LA200429  Pectocarya penicillata Anonymous; sn Los Angeles Comment
  UC882256  Pectocarya penicillata I. W. Clokey and B. C. Templeton 1930-4-8 4674 Los Angeles San Francisquita 550 Comment
  RSA80833  Pedicularis densiflora F. W. Peirson 1925-4-23 5798 Los Angeles Forks of San Gabriel River 530 Comment
  RSA425311  Pedicularis semibarbata Bonnie C. Templeton 1959-4-16 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest. 1677 Comment
  CATA1468  Pelargonium X hortorum Mark L. Hoefs, Robert F. Thorne 1996-4-6 2656 Los Angeles Santa Catalina Island: Wrigley Road, above junction of Middle Terrace Road, Avalon 91 Comment
  RSA648909  Pelargonium X hortorum M. L. Becker 1948-2-13 s.n. Los Angeles Monterey Park Comment
  RSA52504  Pellaea andromedifolia I. L. Wiggins 1949-2-22 11963 Los Angeles hillside near north-east end of San Clemente Island 30 Comment
  LA3526  Pellaea mucronata var. mucronata Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UC812399  Pellaea mucronata var. mucronata Geo. L. Fisher 1920-7-12 109 Los Angeles Mt Wilson Los Angeles 548 Comment
  POM296979  Pellaea mucronata var. mucronata Karen Hosterman 1957-4-8 976 Los Angeles Santa Catalina Island; north side of Avalon Comment
  RSA649003  Pennisetum setaceum Scott Lowe 1991-4-20 5 Los Angeles San Gabriel River channel, about 100 m. south of Valley Boulevard bridge, city of El Monte. Comment
  RSA670032  Pennisetum setaceum Joseph M. Keefe 2001-3-13 31089 Los Angeles East side of Tipton Terrace, 0.2 miles south of Buena Vista Terrace. Highland Park District, 1.5 miles southwest of The Eagle Rock. 90042, North: 34 deg 07' 42.6'' West: 118 deg 11' 30.6''. 256 Comment
  CDA2288  Pennisetum villosum G. C. Fleischman Sep 1946 Los Angeles Los Angeles - street. 0 Comment
  RSA285576  Penstemon caesius D. C. Michener 1981-8-30 4027 Los Angeles San Gabriel Mountains, north-facing ridge of Throop Peak. Comment
  UC1375427  Penstemon caesius R. F. and M. Z. Thorne 1969-7-10 38356 Los Angeles ca 1 1/2 mi se Dawson Saddle (along Angeles Crest Hwy, near Lodgepole Picnic Ground); San Gabriel Mts, Angeles National Forest 2316 Comment
  SEINET13387026 Image available Penstemon centranthifolius R. G. Swinney 2011-1 15169 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy (Chilao Flat 7.5' Q.) (T3N R11W S22) 1585 Comment
  SEINET12272106  Penstemon centranthifolius J. F. Bright, Wyman, C. 1931-1 5279 Los Angeles Mint Canyon Comment
  RSA738049  Penstemon heterophyllus Bill Duval s.n. Los Angeles Montrose 61 Comment
  RSA79842  Penstemon heterophyllus F. W. Peirson 1929-7-1 8431 Los Angeles Aliso Creek at Tie Canyon, Along bank. 1357 Comment
  PASA877  Penstemon heterophyllus Loletta Hiebert Los Angeles Flintridge Comment
  RSA424045  Penstemon rostriflorus H. E. Hasse 1893-08 s.n. Los Angeles Acton. Comment
  UCR100071  Penstemon spectabilis R. G. Swinney 1969-4-29 393 Los Angeles San Gabriel Valley, c. 0.3 mi north of Foothill Blvd. (Hwy 66) and 1.0 mi east of San Gabriel River Channel, Azusa 189 Comment
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Feb 1 2011
  RSA0105034  Penstemon spectabilis subsp. subviscosus R. G. Swinney 2011-4-26 14492 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
  POM7596  Pentachaeta aurea P. A. Munz 1920-3-9 3266 Los Angeles Claremont. 396 Comment
  RSA0060344  Pentagramma triangularis Lyman Benson 1945-5-11 11697 Los Angeles Canyon below Johnson's Pasture, Claremont. San Gabriel Mountains, Pacific Slope drainage. 549 Comment
  RSA687377  Pentagramma triangularis subsp. triangularis B. C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 400 Comment
  RSA0063339  Pentagramma viscosa T. S. Ross 1991-5-21 5394 Los Angeles San Clemente Island: upper easterly branch of Box Canyon. 463 Comment
  UC812206  Pentagramma viscosa Grant and Wheeler 1904-4-25 Los Angeles Santa Catalina Comment
  HSC3897  Peritoma arborea C. S. Apperson 1967-6-3 Los Angeles 6 mi. E of Hwy. 99 on Avenue D. Comment
  LA204578  Peritoma arborea Mary Reynolds; 1937-3-14 20 Los Angeles Palos Verdes Comment
  SD113492  Peritoma arborea var. globosa Darley F. Howe 1947-6-2 1582 Los Angeles Tehachapi Mountains. Comment
  CAS-BOT-BC419010  Persicaria lapathifolia LeRoy Abrams 1904-9-2 4182 Los Angeles Los Angeles River, Los Angeles Comment
  JEPS1475  Phacelia affinis Frank W. Peirson 1919-5-10 410 Los Angeles Arraster Creek San Gabriel Mountains 914 Comment
  RSA427574  Phacelia brachyloba Anstruther Davidson 1892-6-12 s.n. Los Angeles Wilson's Trail. Comment
  UC702985  Phacelia brachyloba John Thomas Howell 1938-6-10 3885 Los Angeles Fish Canyon-Monrovia Canyon Divide San Gabriel Mts. Comment
  LA40164  Phacelia cicutaria var. hispida Tamar; 1961-4-20 6411 Los Angeles 274 Comment
  SFV21404  Phacelia cicutaria var. hispida L. Gross, N. Fraga, B. Hogshead 2002-3-21 498 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. South of La Tuna Canyon Road at end of Morning Glow Way. Near the main ridgetop south of Morning Glow. 412 Comment
  UCR155394  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato 2005-5-24 30263 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  RSA757661  Phacelia cryptantha Orlando Mistretta, Christine Mistretta 2008-4-16 2462 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 23 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1142 Comment
  RSA733035  Phacelia davidsonii R. G. Swinney 1998-7-8 6341 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  UCR223365  Phacelia davidsonii R. G. Swinney 2009-5-27 10865 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA0092145  Phacelia distans R. G. Swinney 2011-5-26 14843 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. 1061 Comment
  RSA0092236  Phacelia distans R. G. Swinney 2011-5-12 14682 Los Angeles San Gabriel Mountains: east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy. 1183 Comment
  RSA342251  Phacelia distans Robert F. Thorne 1963-5-15 s.n. Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs 1220 Comment
  UC75120  Phacelia distans C. F. Baker 1904-4-15 4104 Los Angeles Claremont Comment
  UCR125389  Phacelia distans A. C. Sanders, Mark Elvin 2003-3-5 25732 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UCSC001210  Phacelia distans Peter Kamb 1948-5-6 939 Los Angeles Lower Sonoran Zone. Desert foothills of the San Gabriel Mts above Little Rock San Gabriel Mts 975 Comment
  RSA74959  Phacelia douglasii F. W. Peirson 1922-6-3 3085 Los Angeles East of Oak Grove Creek Divide, Liebre Mts. 1174 Comment
  RSA428013  Phacelia egena Kenneth A. Wilson 1962-5-12 1277 Los Angeles Canyon with the public campgrounds leading to Devil's Punchbowl Park Comment
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Apr 5 2016
  SBBG11779  Phacelia fremontii H. and M. Dearing 1935-4-13 1472 Los Angeles Bouquet Cyn Comment
  HSC79812  Phacelia grandiflora James Henrickson 1973-6-23 10936 Los Angeles 1.5 mi. N of Malibu, at junction of Rambala Pacifico and Schueren Road 427 Comment
  UCD120449  Phacelia grandiflora Gerald Dickinson 1962-5-8 32 Los Angeles Top of Saddle Peak and Stunt Rds. 670 Comment
  SEINET3246003  Phacelia imbricata R. G. Swinney 2009-1 10834 Los Angeles Transverse Range; San Gabriel Mtns.: Pechner Canyon, SE of community of Juniper Hills. 446 Comment
  IRVC29656  Phacelia imbricata subsp. imbricata Mark A. Elvin 2003-6-12 2943 Los Angeles Newhall Ranch, S side of Potrero Canyon, S of Potrero Mesa Santa Clarita Valley 335 Comment
  RSA134015  Phacelia imbricata subsp. imbricata L. R. Heckard 1953-6-15 502 Los Angeles along road to Mt. Gleason, ca. 9 miles up Tujunga Canyon from highway 118. 976 Comment
  RSA428012  Phacelia imbricata subsp. imbricata N. C. Cooper 1949-6-29 4389 Los Angeles Crystal Lake. 1829 Comment
  RSA561824  Phacelia imbricata subsp. imbricata Steve Boyd 1993-6-3 8179 Los Angeles north of Sylmar and south of Santa Clarita. North of Santa Clara Rd (3N17.9) at head of eastern-most canyons 914 Comment
  RSA587612  Phacelia imbricata subsp. imbricata Orlando Mistretta 1994-4-29 1137 Los Angeles San Gabriel Mountains, Santiago Canyon. 1143 Comment
  RSA730249  Phacelia imbricata subsp. patula R. G. Swinney 1999-6-5 7269 Los Angeles San Gabriel Mtns.: western end of ridge extending from Big John Peak, above Big John Flat 1768 Comment
  POM3759  Phacelia longipes L. R. Abrams 1902-7-12 2711 Los Angeles Coldwater Canyon, San Antonio Mountains Comment
  UCR205228  Phacelia longipes R. G. Swinney 2008-5-2 8721 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA0053876  Phacelia minor R. G. Swinney 2010-5-11 12623 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
  RSA0091123  Phacelia minor R. G. Swinney 2010-4-13 12193 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA428061  Phacelia minor C. Epling 1930-4-10 s.n. Los Angeles Mandeville Canyon Comment
  SFV3023  Phacelia minor P. M. Kennamer 1958-4-13 98 Los Angeles Santa Monica Mountains Griffith Park, across from Travel Town. 185 Comment
  RSA26557  Phacelia minor J. T. Howell 1928-6-10 3881 Los Angeles Deer Park, Monrovia Canyon Comment
  SBBG65007  Phacelia mohavensis V. Duran 1933-7-11 3512 Los Angeles Sulphur Springs 1524 Comment
  UCR77576  Phacelia mohavensis T. S. Ross, Steve Boyd 1990-6-18 3464 Los Angeles San Gabriel Mtns., Camp Verdugo Pines and vicinity, northerly draw draining to Jackson Lake 1915 Comment
  UCR126706  Phacelia ramosissima A. C. Sanders, Mark Elvin 2003-8-7 27163 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom east of Del Valle 282 Comment
  RSA562556  Phalaris aquatica Steve Boyd, Orlando Mistretta 1993-5-11 8124 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of Forest on ridge dividing Whitney Canyon and Placerita Canyon 488 Comment
  RSA620158  Phalaris aquatica L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Foster Ranch, Sycamore Canyon. South slope Johnstone Peak 731 Comment
  UCR190604  Phalaris aquatica R. G. Swinney 2000-5-19 7687 Los Angeles San Gabriel Mtns., San Dimas, Johnstone Peak ridge, overlooking San Dimas Canyon at end of dirt road SE from the peak 768 Comment
  POM356922  Phalaris minor Edwin Kline 1924-5-20 s.n. Los Angeles Los Angeles. Comment
  POM356923  Phalaris minor Grethe Moskedahl 1923-4-23 s.n. Los Angeles Downey. Comment
  SEINET4182707 Image available Phalaris minor Carl B. Wolf 1932-5-14 3633 Los Angeles Santa Catalina Island. Avalon. Above the amphitheater. 61 Comment
  UCR127052  Phlox gracilis M. S. Enright 2003-5-24 s.n. Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  UCR205931  Phlox gracilis R. G. Swinney 2008-5-5 8771 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  SEINET10917066  Phoenix Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2530 Los Angeles The Farmers Market, 6333 3rd St. Stand: Ultimate Nut and Candy. Comment
  UCSB10414  Pholistoma auritum Wedberg, H. 1957-4-4 Los Angeles Pt. Dume Comment
  RSA640457  Pholistoma auritum var. auritum Louis C. Wheeler 1967-5-15 9593 Los Angeles San Gabriel Mountains. Elsmere Canyon, near mouth. 442 Comment
  SD58173  Pholistoma auritum var. auritum Frank W. Peirson 1919-5-18 441 Los Angeles Monrovia Canyon. 381 Comment
  SBBG6208  Pholistoma membranaceum H. and M. Dearing 1939-4-4 3081 Los Angeles Little Rock Cyn Comment
  SBBG20545  Pholistoma racemosum E. R. Blakley 1963-12-7 6341 Los Angeles shallow cyn sloping to ocean, 200 ft N of Lighthouse, N of Pyramid Head 53 Comment
  UC880958  Pholistoma racemosum F. R. Fosberg 1931-3-24 S 4345 Los Angeles s. wall of Hamilton Canyon Santa Catalina Isl., Hamilton Canyon 50 Comment
  RSA150859  Pholistoma racemosum Peter H. Raven 1962-4-11 17264 Los Angeles Due west of Wall 2, San Clemente Island. 3 Comment
  CHSC3735  Phoradendron Sue Boergadine 1966-5-26 Los Angeles Switzer's Camp 762 Comment
  RSA586669  Phoradendron densum Orlando Mistretta 1995-5-2 1671 A Los Angeles San Gabriel Mountains, Carr Canyon. 1037 Comment
  RSA420795  Phoradendron macrophyllum Freda Detmers, Aloys Nicholson 1931-5-17 s.n. Los Angeles Big Rock Creek, Mojave Desert. Comment
  RSA575201  Phoradendron pauciflorum Vanessa Ashworth, Nigel Boyle 1994-11-5 77 Los Angeles SE-facing slope just past Mt. Baldy ski lift immediately before end of paved road. Comment
  CAS-BOT-BC141149  Phoradendron serotinum subsp. macrophyllum Peter H. Raven; Henry J. Thompson 1959-10-31 14716 Los Angeles Natoma Avennue at N base of mountains. Santa Monica Mountains 365 Comment
  CAS-BOT-BC141300  Phoradendron serotinum subsp. tomentosum Timothy S. Ross; Steve Boyd 1990-5-23 2625 Los Angeles Mt Gleason Area: NNW ridge descending from Messenger Peak (6015 ft), near the headwaters of Mill Canyon and Moody Canyon. San Gabriel Mountains 1719 Comment
  RSA578800  Phoradendron villosum Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-7 8130 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  UC1194635  Phoradendron villosum Del Wiens 1953-12-10 878 Los Angeles San Gabriel Mts., Crystal Lake Area 1676 Comment
  UC168775  Phoradendron villosum George B. Grant and Walter Wheeler 1904-5-17 6243 Los Angeles Mt. Wilson 1524 Comment
  SD69796  Phyllospadix torreyi Robert F. Thorne 1966-4-4 35793 Los Angeles Santa Catalina Island; on rocks exposed at very low tide, Bird Rock Comment
  POM219188  Physalis lancifolia Louis C. Wheeler 1932-8-29 1309 Los Angeles 2 miles northeast of La Verne. 373 Comment
  RSA472036  Picris echioides G. J. Hollenberg 1928-7-24 s.n. Los Angeles Near Del Rey Palisades to Sand dunes Comment
  CAS-BOT-BC73403  Pinus Geo. B. Grant 1906-4-2 6606 Los Angeles Pasadena, Altadena Comment
  RSA384290  Pinus attenuata Ora M. Clark 1929-1-6 1465 Los Angeles Elysian Park, L.A. Comment
  RSA787281  Pinus coulteri R. G. Swinney 2009-5-28 10973 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR280728  Pinus coulteri R. G. Swinney 2011-6-14 15132 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  RSA169023  Pinus jeffreyi Mark Parratt 1964-2-6 600 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  RSA169006  Pinus ponderosa Mark Parratt 1964-4-8 620 Los Angeles Charlton Flats Recreation Area; Angeles Crest Highway 1616 Comment
  SEINET3874886  Pinus torreyana K. Dobry 1976-5-21 44 Los Angeles Santa Monica Mts.; 0 366 Comment
  SBBG98464  Piptatherum miliaceum T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5049 Los Angeles ca. 650 ft SE of the air terminal, new airfield, N end of island 64 Comment
  UC1584227  Piptatherum miliaceum Tim Ross and Steve Boyd 1990-6-6 2814 Los Angeles Green Valley Pasture in San Francisquito Canyon; Angeles National Forest, Lake Hughes USGS 7.5' Quad., Saugus 926 Comment
  UCR210437  Piptatherum miliaceum R. G. Swinney 2008-11-30 9880 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  RSA599776  Plagiobothrys arizonicus Steve Boyd, Lauren Raz 1997-3-25 9270 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
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Dec 20 2007
  UCR184109  Plagiobothrys arizonicus A. C. Sanders, T. B. Salvato 2007-4-24 33484 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  SBBG53193  Plagiobothrys canescens R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -189 Los Angeles upper Bullrush Cyn, Salta Verde 292 Comment
  SD82922  Plagiobothrys collinus var. fulvescens Robert F. Thorne 1969-7-2 38230 Los Angeles San Gabriel Mountains; Charlton Flats burn of 1954. 1600 Comment
  POM368938  Plagiobothrys collinus var. gracilis M. B. Dunkle 1932-2-27 2870 Los Angeles Palisades Ridge, Santa Catalina Island Comment
  UCR214458  Plagiobothrys leptocladus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale, et al 2010-3-29 37632 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, ephemeral stream c. 0.7 mile ESE (103 deg. ) of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1015 Comment
  SEINET3152909  Plagiobothrys nothofulvus G. B. Grant 1904-5-5 995 Los Angeles Altadena Comment
  UCR177138  Plagiobothrys nothofulvus Steve Boyd 1996-4-25 8668 Los Angeles San Gabriel Mtns, Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienaga Cyn, south of Liebre Mtn. From gate at old inholding boundary near spring area along Forest Service Road 7N22 down to beginning of extensive wetland south of the old dry pastures 1000 Comment
  POM47628  Plantago bigelovii subsp. californica L. R. Abrams 1901-04 1450 Los Angeles Inglewood Comment
  SBBG108190  Plantago coronopus S. L. Crockett 1997-4-2 650 Los Angeles point above Empire Landing Quarry site, ca. 0.25 mi N of Empire Landing Rd, from point 2.4 mi from jct with Airport Rd 240 Comment
  RSA593778  Plantago erecta Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8553 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  UCR142505  Plantago erecta F. R. Fosberg 1931-4-15 S- 4629 Los Angeles Channel Islands, Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 200 Comment
  PASA23  Plantago hookeriana var. californica Sally Ellis 1939-4-7 Los Angeles Puddingstone Dam Comment
  SD124877  Plantago indica A. C. Sanders 1986-7-30 6814 Los Angeles El Segundo Dunes, immediately west of L. A. International Airport and Pershing Dr., eat of Vista Del Mar Blvd. 29 Comment
  CATA1476  Plantago lanceolata Mark L. Hoefs, Robert F. Thorne 1996-4-6 2671 Los Angeles Santa Catalina Island: Old Bird Park, Avalon Canyon 103 Comment
  RSA584957  Plantago major Tim S. Ross, S. D. Boyd 1990-6-1 2774 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  RSA650597  Plantago major Jim Graham 1953-5-24 s.n. Los Angeles West of Imperial Hy. and 1/4 mile east of Lemon Dr., Whittier. 69 Comment
  UCR172299  Plantago ovata Anuja Parikh, Nathan Gale 2005-7-18 2145 Los Angeles Santa Susanna Mtns., Newhall Ranch, uppermost Potrero Canyon, study area 22 488 Comment
  RSA641426  Platanthera sparsiflora Louis C. Wheeler 1967-7-15 10019 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  CAS-BOT-BC93184  Platanus racemosa Alice Eastwood 1915-8-25 4921 Los Angeles Country adjacent to Los Angeles. Duarte. Comment
  CAS-BOT-BC93190  Platanus racemosa John Thomas Howell 1928-3-4 3386 Los Angeles Santa Monica Mountains, northeast of Pacific Palisades. Comment
  IRVC26353  Platystemon californicus A. C. Sanders, Mark A. Elvin 2003-4-16 26041 Los Angeles Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank Santa Clara River watershed 305 Comment
  SFV1380  Platystemon californicus M. L. Vincent 1962-5-7 229 Los Angeles Mojave Desert Highway 0.5 miles from main highway at Pearblossom turnoff to Valyermo. 975 Comment
  UC520025  Platystemon californicus Joseph Andorfer Ewan 1932-5-19 7535 Los Angeles Playa del Rey Comment
  RSA445696  Platystemon californicus Launer 1937-04 s.n. Los Angeles La Harbra Hills Comment
  RSA722430  Platystemon californicus E. Culver s.n. Los Angeles San Fernando Valley. Comment
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Apr 17 2016
  SEINET3161607  Plumbago capensis D. B. Dunn 1951-8-20 7624 Los Angeles at 4911 Pasadena Ave. Terrace, L.A. 4 244 Comment
  CAS-BOT-BC244432  Poa annua A. C. Sanders; Dan S. Cooper 2010-3-12 37385 Los Angeles South Coast: Madrona Marsh, Torrance 24 Comment
  RSA775861  Poa bulbosa Orlando Mistretta, Christine Mistretta 2010-5-22 5194 Los Angeles Upper Aliso Cyn, about 1.5 miles north of Mill Creek summit. 1311 Comment
  IRVC27982  Poa secunda A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26113 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  POM112310  Poa secunda H. E. Hasse 1890-05 s.n. Los Angeles Foothills, Sierra Santa Monica. Comment
  RSA0110205  Poa secunda Richard G. Swinney 2011-5-16 14739 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  RSA9661  Poa secunda L. C. Wheeler 1932-3-26 538 Los Angeles Puddingstone Dam, San Jose Hills 274 Comment
  CAS-BOT-BC236212  Poa secunda subsp. secunda Ernest C. Twisselmann 1962-4-18 6954 Los Angeles Tehachapi Mountains. Tejon Ranch: Oso Canyon, 0.5 mile W of Coe Field fence 1036 Comment
  CATA126  Poa secunda subsp. secunda Mark L. Hoefs, A. Douglas Propst 1973-3-14 96 Los Angeles Santa Catalina Island: Ridge between Cape and Skull Canyons 304 Comment
  RSA550289  Poa secunda subsp. secunda Walter Wisura, G. perez 1992-5-19 4773 Los Angeles W- Mojave: Mountain Brook Ranch near Valyermo. Comment
  LA94346  Polycarpon depressum Martha Hilend; 1935-4-13 sn Los Angeles Santa Monica Mountains, Stone Canyon Comment
  RSA65560  Polycarpon tetraphyllum F. W. Peirson 1931-5-25 9376 Los Angeles At 1077 New York Ave. Altadena. Comment
  UCD98429  Polycarpon tetraphyllum Robert F. Thorne 1974-6-3 44688 Los Angeles Claremont; at 1010 Northwestern Drive. 335 Comment
  RSA460139  Polygala cornuta var. fishiae Anstruther Davidson 1917-8-19 s.n. Los Angeles Crater Camp, Near Calabasas Comment
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Jan 14 2008
  RSA460141  Polygala cornuta var. fishiae Theodore Payne 1917-08 3263 Los Angeles Craggs Club [possibly The Crags Country Club] Santa Monica Range Comment
  CDA2830  Polygonum arenastrum Robert Gustafson 1981-4-29 2224 Los Angeles Ballona Wetlands, Area 2 along the Centinella drainage ditch west of Lincoln Blved. 0 Comment
  UCR256882  Polygonum capitatum R. G. Swinney 2010-8-16 13537 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UC2026437  Polygonum cuspidatum Louis C. Wheeler 1975-9-18 s.n. Los Angeles PASADENA: Walnut Street at Altadena Drive. Comment
  CAS-BOT-BC71899  Polypodium californicum R. M. Beauchamp 1967-1-27 124 Los Angeles behind Wilson Cove Pier, San Clemente Island Comment
  LA94064  Polypodium californicum Lawrence L. Kiefer; 1966-3-26 1780 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon, ca 0.5 mi from mouth. 60 Comment
  UCSB62412  Polypodium californicum Kendall, M. 1921-3-23 Los Angeles Lone Hill Comment
  POM310378  Polypodium californicum Margaret Hardinge 1946-2-13 40 Los Angeles Big Dalton Canyon, San Gabriel Mtns 365 Comment
  RSA329724  Polypodium californicum Gary D. Wallace 1966-3-25 223 Los Angeles San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena 915 Comment
  UCSB62338  Polypodium californicum Kiefer, Lawrence 1967-4-1 Los Angeles San Gabriel Mtns., N of Pasadena, Pasadena Glen, ca. 1/2mi from the end of the road 609 Comment
  UCSB62413  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  SBBG31291  Polypogon interruptus R. F. Thorne with P. C. Everett 1965-6-24 35043 Los Angeles Shark Harbor, W side of island 7 Comment
  RSA589057  Polypogon monspeliensis Orlando Mistretta 1994-6-6 1319 Los Angeles San Gabriel Mountains, Little Rock Creek: Slopes on E side of canyon S of junction of Forest Service roads 4N15 and 5N04.3. 1280 Comment
  LA10118  Polypogon monspeliensis Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  LA10124  Polypogon monspeliensis M. Epling; Carl Epling 1925-5-15 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  CAS-BOT-BC72278  Polystichum imbricans subsp. curtum Marcus E. Jones 1882-2-27 3032 Los Angeles Pasadena Comment
  RSA693290  Polystichum imbricans subsp. curtum F. R. Fosberg 1931-8-10 R 117 Los Angeles Lower Pine Flats, First Camp, N fork San Gabriel Canyon 1500 Comment
  SEINET10568473  Polystichum munitum Jason R. Grant, W. Wheeler 1904-5-17 Grant 1032 Los Angeles Collected at Mt. Wilson. Comment
  SD69481  Populus X parryi Robert F. Thorne 1966-4-5 35877 Los Angeles Santa Catalina Island; along Cottonwood Creek by bridge on road from Middle Ranch to Little Harbor. 27 Comment
  RSA653857  Populus balsamifera subsp. trichocarpa Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 803 Los Angeles Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road. 488 Comment
  RSA746544  Populus balsamifera subsp. trichocarpa A. C. Sanders, T. B. Salvato 2009-5-20 36862 Los Angeles San Gabriel Valley: Rio Hondo at Rancho Lujan, between Montebello and South El Monte, E side of San Gabriel Blvd., SE of Darlington St. intersection. 61 Comment
  UCR210310  Populus fremontii R. G. Swinney 2008-10-16 9590 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  UC1134766  Populus fremontii subsp. fremontii A. D. Gifford 1935-2-25 435 Los Angeles 5 3/10 mi n Whitaker; Angeles National Forest, Tejon Quad. Comment
  CAS-BOT-BC141843  Potentilla anserina LeRoy Abrams 1899-3-1 255 Los Angeles Mesmer Comment
  UCR202526  Potentilla glandulosa R. G. Swinney 2005-8-15 8479 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  UCR124478  Potentilla gracilis var. fastigiata B. C. Templeton 1932-7-20 5006 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  SD215647  Prunus dulcis Steve Boyd, Lauren Raz 1997-3-26 9324 Los Angeles Portal Ridge north of Lake Hughes, upper end of Myrick Canyon drainage along Lakeview Road Comment
  CAS-BOT-BC154937  Prunus ilicifolia Timothy S. Ross; Steve Boyd 1994-5-25 7931 Los Angeles Liebre Mountains. Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit 1075 Comment
  POM1826  Prunus ilicifolia Otis Hiatt 1916-6-3 s.n. Los Angeles Topanga Canyon. Santa Monica Mountains. Comment
  RSA656385  Prunus ilicifolia John Kelling 1980-5-26 18 Los Angeles Verdugo Mountains: 0.5 miles east of Childs Canyon, at the end of Allen Street, Glendale. 427 Comment
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Sep 12 2014
  UC440399  Prunus ilicifolia Carl Epling, Lincoln Ellison 1929-3-30 Los Angeles Santa Monica Mountains, Topango Canyon Topango Canyon; Santa Monica Mountains, Topango Canyon Comment
  RSA650385  Prunus ilicifolia subsp. ilicifolia T. Strid 1971-5-23 s.n. Los Angeles Tujunga Cyn Comment
  UC2052840  Prunus ilicifolia subsp. lyonii M. B. Dunkle 1939-11-24 7343 Los Angeles San Clemente Island, Canyon head, Mosquito Summit. Comment
  UCR99490  Prunus persica Steve Boyd, Lauren Raz 1997-3-26 9376 Los Angeles Libre Mtns., Sierra Pelona Ridge, southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08 at Artesian Spring Campground 1098 Comment
  POM18070  Prunus virginiana var. demissa Philip A. Munz 1923-5-26 6848 Los Angeles Vincent Gulch, San Gabriel Mountains 1982 Comment
  CATA1070  Pseudognaphalium biolettii Mark L. Hoefs 1995-5-16 2010 Los Angeles Santa Catalina Island: Near Airport Road, just past road to Black Jack Campground 454 Comment
  RSA271687  Pseudognaphalium biolettii M. B. Dunkle 1939-4-4 7250 Los Angeles San Clemente Island: Chenetti Canyon. Comment
  SD66891  Pseudognaphalium biolettii R. Mitchel Beauchamp 1967-3-18 315 Los Angeles San Clemente Island; east rim of canyon south of Wilson Cove. 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
  UCR270986  Pseudognaphalium californicum R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14324 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  SD252286  Pseudognaphalium luteoalbum Steven A. Junak 1999-7-15 Sca 1028 Los Angeles Santa Catalina Island: Bulrush Canyon. 238 Comment
  CAS-BOT-BC357289  Pseudognaphalium microcephalum F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canon [Canyon], near Pasadena, San Gabriel Mts. Comment
  CAS-BOT-BC357302  Pseudognaphalium microcephalum unspecified 1903-1-1 s.n. Los Angeles Pasadena Comment
  POM277189  Pseudotsuga macrocarpa Lyman Benson 1945-1-20 11595 Los Angeles Crystal Lake 1768 Comment
  RSA384624  Pseudotsuga macrocarpa Geo L. Moxley, Grinnell 1916-6-16 499 Los Angeles Santa Susana Mountains. Comment
  UCR95291  Psilocarphus brevissimus var. brevissimus Steve Boyd, Lauren Raz 1996-10-8 8979 Los Angeles Liebre Mtns. Region, Plum Canyon southwest of Cruzan Mesa along Arline Road c. 2 miles west of junction with Sierra Highway in Mint Canyon 610 Comment
  RSA332612  Pterospora andromedea Wayen E. Sawyer 1981-8-11 130 Los Angeles CA Hwy. 2 between Dawson Saddle and junction of CA Hwy. 39, 1.8 mi from Dawson Saddle 2256 Comment
  RSA451422  Purshia tridentata var. glandulosa Robert Gustafson, Gary D. Wallace 1982-4-26 2533 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 976 Comment
  RSA451423  Purshia tridentata var. glandulosa N. C. Cooper 1948-4-21 2669 Los Angeles Little Rock. 762 Comment
  UC1128514  Purshia tridentata var. glandulosa R. St. John 1930-2-26 104 Los Angeles Hungry Valley and Peace Valley; Tejon Quad. 914 Comment
  RSA83433  Pycnanthemum californicum F. W. Peirson 1921-7-15 2731 Los Angeles Main branch of San Gabriel River. 915 Comment
  UC2042130  Pycnanthemum californicum Orlando Mistretta 1990-8-8 s. n. Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Cienega Comment
  SEINET10957068  Pyrus communis Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3805 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  SEINET13095464  Quercus X grandidentata Joseph Andorfer Ewan 1934-12-27 8487 Los Angeles 2 mi. above A.T. & S.F. tracks at mouth of Sawpit Canyon (i.e. Monrovia C.), San Gabriel Mts. 229 Comment
  UCD46927  Quercus X macdonaldii Robert F. Thorne; P. Everett 1965-5-12 34639 Los Angeles Wet margins of small stream in Bulrush Canyon, Santa Catalina Island. 243 Comment
  SEINET156515  Quercus agrifolia Norman C. Cooper 1943-11-21 974 Los Angeles Mint Canyon. East of Ranger Station. 762 Comment
  UCR186785  Quercus agrifolia Gary Kovnat, LeRoy Gross 2004-3-20 49 Los Angeles Transverse Range; San Gabriel Mountains, Angeles National Forest, Gold Creek ecological Preserve, south terrace west meadow ecotone Comment
  UC1076078  Quercus berberidifolia H. L. Mason 1927-5-20 3737 a Los Angeles Tejon Pass Sierra Liebre Mts. Comment
  UCD45315  Quercus berberidifolia John M. Tucker 1948-9-26 1879 Los Angeles California, Los Angeles Co.; 11.4 mi. west of Palmdale, beside road to Elizabeth Lake; Comment
  CAS-BOT-BC62534  Quercus chrysolepis W. R. Dudley; F. H. Lamb 1896-6-8 4364 Los Angeles Kings Canyon, Liebre Mountains Comment
  SFV870  Quercus chrysolepis P. G. Kilburn 1957-12-1 559 Los Angeles San Gabriel Mountains Just north of Mount Wilson Park. 1829 Comment
  UCR223611  Quercus chrysolepis R. G. Swinney 2009-7-29 11433 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  SD1108  Quercus douglasii Fidella G. Woodcock Unknown Los Angeles Mt. Lowe, summit Comment
  POM214398  Quercus durata var. gabrielensis H. A. Miller 1931-11-1 s.n. Los Angeles Foothills 1 mile E liveoak Canyon, San Gabriel Mts. 671 Comment
  UC519945  Quercus engelmannii Louis C. Wheeler 1931-10-11 252 Los Angeles near La Verne; Thompson Wash 403 Comment
  UCSB34842  Quercus engelmannii Gill, Robert 1959-3-3 Los Angeles Northeast side of Webb School, Claremont, San Gabriel Mts. 365 Comment
  RSA587157  Quercus john-tuckeri Orlando Mistretta 1995-4-28 1652 Los Angeles Kitter Canyon; Slopes W of main canyon. 1280 Comment
  RSA756874  Quercus john-tuckeri Orlando Mistretta, Christine Mistretta 2008-4-4 2326 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 54 per TRTP survey; 2008) 1341 Comment
  UCD34115  Quercus john-tuckeri Beecher Crampton 1976-9-21 9410 Los Angeles Los Angeles County, ca. 10 miles east of Sangus on state Hwy. 14, Agua Dulce Canyon area. Comment
  RSA476811  Quercus kelloggii Bonnie C. Templeton 1933-5-15 5136 Los Angeles Toward Jackson Lake, Big Pines Park, San Gabriel Mts. 1921 Comment
  CAS-BOT-BC250921  Quercus tomentella P. S. Manos 1988-10-28 685 Los Angeles San Clemente Island, just S of Vista Canyon and N of Eagle Canyon 243 Comment
  JEPS37662  Quercus tomentella W. L. Jepson 1908-7-12 3061 Los Angeles Catalina Island Comment
  RSA475267  Quercus tomentella Mark Hoefs 1974-10-3 590 Los Angeles Santa Catalina Island, upper Fern canyon- ridge between Mt. Orizaba and Mt. Banning 457 Comment
  SBBG26456  Quercus tomentella R. F. Thorne 1966-5-31 36431 Los Angeles ridge running from S end of Mt Orizaba, S side of S fork of Fern Cyn 426 Comment
  SDSU6988  Quercus tomentella R. M. Beauchamp 1967-3-18 275 Los Angeles In canyon below Lemon Tank, San Clemente Island. Comment
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Oct 13 2011
  HSC24486  Rafinesquia californica Gary D. Cromwell, David Wheat 1971-5-14 668 Los Angeles On west side of canyon mouth. Mystic Canyon, Angeles National Forest, San Gabriel Mts. 2 mi. NE of Glendora. 396 Comment
  RSA0105024  Rafinesquia californica R. G. Swinney 2011-4-26 14487 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  SD53048  Rafinesquia californica Peter H. Raven 1962-5-22 17821 Los Angeles Santa Catalina Island, open grassland above Emerald Bay 120 Comment
  UCR126866  Rafinesquia californica A. C. Sanders, Tricia Wotipka, Mark A. Elvin, and others 2003-4-29 26154 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Road 488 Comment
  UCR88510  Rafinesquia californica Scott D. White, Chet McGaugh 1995-5-9 3023 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
  POM99239  Ranunculus hebecarpus Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  SBBG31098  Raphanus sativus R. F. Thorne 1966-4-29 36281 Los Angeles near dam, Middle Ranch, Middle Ranch Cyn 198 Comment
  UCR258847  Raphanus sativus R. G. Swinney 2010-3-16 11917 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
  LA32256  Raphanus sativus Peter H. Raven; Henry J. Thompson 1959-6-4 14320 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  SD113142  Raphanus sativus Darley F. Howe 1915-4-1 41 Los Angeles Claremont Comment
  UCR280797  Rapistrum rugosum Jesse York 2017-7-18 s.n. Los Angeles Los Angeles Basin; San Fernando Valley, Sepulveda Dam, Van Nuys 210 Comment
  UC1121750  Rhamnus californica A. D. Gifford 1934-4-26 170 Los Angeles Head of Ramera Canyon Triunfo Pass 609 Comment
  UCR223579  Rhamnus californica R. G. Swinney 2009-6-17 11224 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  RSA648643  Rhamnus californica subsp. californica Fred Brooks 1988-5-7 30 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff. Comment
  LA207790  Rhamnus crocea Paul Gripp; May 1954 sn Los Angeles Mt. Gleason Rd., Tujunga Comment
  LA52148  Rhamnus crocea A. M. Johnson; 1932-5-30 4078 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  RSA172325  Rhamnus crocea Robert F. Thorne, James Henrickson 1963-5-5 32313 Los Angeles Near mouth of Cobal Canyon, foothills of San Gabriel Mountains, ca. 4 miles N of Claremont 518 Comment
  UCR205883  Rhamnus crocea A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37082 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  CAS-BOT-BC56007  Rhamnus ilicifolia Cecil Hart 1927-5-1 s.n. Los Angeles San Dimas Canyon Comment
  RSA497991  Rhamnus ilicifolia E. S. Spalding 1924-04 s.n. Los Angeles Between Vermont [and] Western. Comment
  SBBG27535  Rhamnus ilicifolia W. R. Dudley, F. H. Lamb 1896-6-7 Los Angeles Kings Cyn, Antelope Valley Comment
  UCR269950  Rhamnus ilicifolia R. G. Swinney 2010-5-19 12780 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
  POM219982  Rhamnus pirifolia F. R. Fosberg 1932-5-7 8151 Los Angeles Santa Catalina Island, Grand Canyon, Upper Falls. 150 Comment
  UC1215183  Rhamnus pirifolia Peter H. Raven 1962-5-9 17683 Los Angeles near head of canyon above Mosquito Cove (San Clemente Island); , near head of canyon above Mosquito Cove 274 Comment
  UCR143164  Rhamnus pirifolia Reid Moran 1941-2-2 608 Los Angeles Channel Islands, Santa Catalina Island, Johnson's Valley 20 Comment
  CAS-BOT-BC199078  Rhus aromatica Timothy S. Ross; Darin Banks 1994-4-13 7534 Los Angeles Ca 1400 m ESE of Plum Spring and ca 960 m W of San Francisquito Poerhouse No. 1, Green Valley 7.5' USGS quadrangle - Lower Clearwater Canyon, Liebre Mountains 707 Comment
  POM8499  Rhus integrifolia P. A. Munz, R. D. Harwood 1920-5-15 3948 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  RSA190981  Rhus integrifolia R. F. Thorne, R. C. Rollins, D. Propst, R. Carolin 1967-3-18 36738 Los Angeles Santa Catalina Island. Wild Boar Gully, ca. 1 mi. WNW of Salta Verde Point 198 Comment
  RSA754105  Rhus integrifolia Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1828 Los Angeles San Gabriel River main stem across from Morris Dam, CS1 402 Comment
  UC109843  Rhus integrifolia T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  UCR152540  Rhus integrifolia A. C. Sanders, Lee Jones 2005-4-8 29356 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR95481  Rhus integrifolia R. F. Thorne 1967-5-19 36886 Los Angeles Santa Catalina Island; at head of Sweetwater Cyn. 457 Comment
  POM121831  Rhus ovata Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  POM219983  Rhus ovata F. R. Fosberg 1932-5-7 8152 Los Angeles Santa Catalina Island, Grand Canyon, Upper Falls. 150 Comment
  RSA0092461  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
  RSA600979  Rhus ovata L. C. Wheeler 1967-6-26 9875 Los Angeles Elsmere Canyon 441 Comment
  UC1595388  Rhus trilobata Tim Ross 1991-3-10 4211 Los Angeles e side of Rancho Santa Ana (Bernard Field Station); Claremont 391 Comment
  RSA600587  Rhus trilobata var. quinata Steve Boyd, Lauren Raz 1997-4-30 9593 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  CAS-BOT-BC433171  Ribes Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabriel Mountains, Table Mountain, above Wrightwood 2133 Comment
  SBBG126997  Ribes amarum A. Parikh, N. Gale 2011-7-15 3559 Los Angeles West Fork San Gabriel River, 3.4 km W of St Hwy 39; San Gabriel Mtns 535 Comment
  UC162037  Ribes amarum Geo. B. Grant 1906-2-21 6593 Los Angeles Mt. Wilson Comment
  LA50705  Ribes aureum var. gracillimum Carl Epling; March 1925 6522 Los Angeles Santa Monica Mountains, Griffith Park Comment
  RSA476430  Ribes aureum var. gracillimum Elbert Benjamine 1929-3-17 110 Los Angeles Hillside, Burbank. Comment
  RSA549783  Ribes aureum var. gracillimum Wandalee Thompson 1964-4-11 4 Los Angeles Liebre Mtns.: San Francisquito Canyon Road at Powerhouse No. 2, San Francisquito Canyon, Angeles National Forest. 457 Comment
  UCR231784  Ribes aureum var. gracillimum Darren T. Hasegawa 2007-4-8 s.n. Los Angeles San Gabriel Mtns. Area, Pasadena, adjacent to Rose Bowl 256 Comment
  CAS-BOT-BC93397  Ribes cereum Carl Epling; Nesta Dunn; Alice Goen 1931-5-16 s.n. Los Angeles San Gabriel Mountains. Big Pines Camp. Comment
  RSA0106825  Ribes cereum var. cereum R. G. Swinney 2011-7-29 15568 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA729464  Ribes cereum var. cereum R. G. Swinney 1998-7-8 6334 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  CAS-BOT-BC108867  Ribes divaricatum var. parishii Louis C. Wheeler 1934-3-18 2452 Los Angeles San Gabriel River. 73 Comment
  CHSC8457  Ribes indecorum Edward Laidlaw Smith 1958-2-18 319 Los Angeles Cobal Canyon. San Gabriel Mt. Range. Cobal Creek drainage area. 609 Comment
  LA205447  Ribes indecorum Willis H. Wheeler; 1930-3-7 sn Los Angeles Thompson Creek Wash Comment
  POM46B  Ribes indecorum P. A. Munz 1918-3-28 2007 Los Angeles Claremont. Wash near Palmer s Canyon. Comment
  UC519968 Image available Ribes indecorum Louis Wheeler 1933-3-4 1510 Los Angeles Claremont 388 Comment
  UCR259677  Ribes malvaceum R. G. Swinney 2010-6-8 13180 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  SFV15494  Ribes malvaceum var. malvaceum E. J. Spencer 1992-2-14 9 Los Angeles West side of The Old Road, mile post 1.75. 457 Comment
  RSA199037  Ribes malvaceum var. viridifolium W. M. Gauntt 1966-4-9 141 Los Angeles Junction of Glendora Mountain Road with Glendora Ridge Road 915 Comment
  RSA441475  Ribes malvaceum var. viridifolium Anstruther Davidson 1908-5-7 1793 Los Angeles Providence Ranch, Hollywood Comment
  RSA0021935  Ribes montigenum R. G. Swinney 1998-8-27 6891 Los Angeles West Baldy Peak. 3018 Comment
  RSA229075  Ribes nevadense R. F. Thorne 1969-7-29 38905 Los Angeles San Gabriel Mts., Hunt Canyon 3 mi E of Vincent 2332 Comment
  RSA229733  Ribes nevadense R. F. Thorne 1971-6-26 40588 Los Angeles Angeles National Forest:, Chilao Flat near entrance. 1616 Comment
  RSA652593  Ribes roezlii T. C. Thomas 1974-7-5 s.n. Los Angeles Vincent Gap, Hwy 2. 1768 Comment
  UC1929634  Ribes roezlii V. Soza, LeRoy Gross, Bill Hogshead 2002-5-9 1460 Los Angeles Transverse Ranges; San Gabriel Mountains region; Along Sunset Ridge Fire Road, approximately 900 m southwest of Sunset Peak. UTM 11S: 37 85 387 N x 04 36 184 E. 1646 Comment
  UCR277207  Ribes roezlii R. G. Swinney 2010-9-30 13951 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  RSA652592  Ribes speciosum Allen A. Sanborn 1949-1-20 s.n. Los Angeles Puddingstone Res. 442 Comment
  SBBG72092  Ribes speciosum M. N. Ackley -May-1927 995 Los Angeles Verdugo Hills, Glendale 274 Comment
  SFV6229  Ribes speciosum R. M. Muran 1974-2-12 13 Los Angeles Santa Monica Mountains Mandeville Canyon, 2 miles south of Mulholland Drive. 427 Comment
  UCR4092  Ribes speciosum Carole Sims 1965-4-10 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., 5.3 mi from intersection of Mulholland Drive and Old Topanga Canyon Rd., up Old Topanga Canyon Rd 305 Comment
  CAS-BOT-BC173937  Ribes viburnifolium Reid Moran 1941-2-25 615 Los Angeles Johnson's Valley, Santa Catalina Island Comment
  UC11686 Image available Ribes viscosissimum J. H. Barber 1897-1-9 Los Angeles Santa Monica Canyon Comment
  CDA4897  Ricinus communis Phillipson 1915-5-7 Los Angeles Monrovia. Comment
  RSA480741  Ricinus communis L. C. Wheeler 1936-6-21 4165 Los Angeles Palmer Canyon, San Gabriel Mts. 701 Comment
  RSA603398  Ricinus communis L. C. Wheeler 1975-6-15 s.n. Los Angeles San Gabriel Mountains Region: Big Tujunga Wash at Foothill Blvd. Comment
  RSA597043  Rorippa curvipes var. truncata Timothy S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3826 Los Angeles Vicinity of Crystal Lake. 1677 Comment
  RSA746843  Rorippa curvisiliqua R. G. Swinney 2008-4-30 8696 Los Angeles Glendora, Big Dalton Canyon Debris Basin 341 Comment
  RSA640935  Rosa californica Louis C. Wheeler 1967-8-2 10335 Los Angeles Angeles National Forest; Sulphur Spring. 1585 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
  SBBG72351  Rubus leucodermis Anstruther Davidson -Jul-1893 Los Angeles Wilson's Peak Comment
  SBBG31075  Rumex conglomeratus R. F. Thorne with D. Propst 1968-5-27 37633 Los Angeles Middle Ranch Cyn Comment
  IRVC28732  Rumex crispus A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25514 Los Angeles Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters NE end of Santa Susana Mtns. 313 Comment
  UC520008  Rumex crispus Joseph Andorfer Ewan 1932-4-30 7436 Los Angeles n end Baldwin Hills; Culver City Comment
  CATA561  Rumex salicifolius Mark L. Hoefs, Robert F. Thorne 1975-8-7 825 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon 60 Comment
  UCR223141  Rumex salicifolius R. G. Swinney 2009-7-22 11341 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA0082655  Rumex salicifolius Ernest C. Twisselmann 1962-4-18 6977 Los Angeles Tejon Ranch: Oso Canyon, ca. 1 mile above Oso Corral. 1036 Comment
  SD60410  Rumex salicifolius Peter H. Raven 1962-5-20 17791 Los Angeles Santa Catalina Island, by the road, Middle Canyon about 1 mile above the ranch Comment
  UCR274354  Rumex salicifolius Steven A. Junak 1999-7-16 SCa- 1050 Los Angeles California Islands, Santa Catalina Island. Lower part of Cottonwood Canyon, just upstream from road to Ben Weston Beach Comment
  UC866252  Rupertia physodes Marcus E. Jones, A. M. 1882-5-2 2691 Los Angeles Pasadena Comment
  RSA3576  Ruppia maritima Carl B. Wolf 1932-5-12 3591 Los Angeles Santa Catalina Island. Border of Catalina Harbor. 3 Comment
  SBBG19204  Salicornia pacifica M. A. Piehl 1963-12-8 631105 Los Angeles mouth of Horse Beach Cyn, which is first cyn E of China Pt 3 Comment
  CAS-BOT-BC434969  Salix exigua A. C. Sanders 2007-4-13 33409 Los Angeles Tehachapi Mtns. Foothills: southeast of National Cement Plant, along creek just below Kern Co. line. 1006 Comment
  POM362607  Salix laevigata Bonnie C. Templeton 1930-4-8 1042 Los Angeles San Francisquito Canyon, San Gabriel Mts. 900 Comment
  SD37405  Salix laevigata Edith A. Purer 1935-5-11 6583 Los Angeles Along ditch on Ventura Blvd. near Calabasas Comment
  UC483014  Salix laevigata F. R. Fosberg 1931-5-4 S 4756 Los Angeles mouth of Middle Ranch Canyon; Santa Catalina Isl., Middle Ranch Canyon 5 Comment
  JEPS13828  Salix lasiolepis Frank W. Peirson 1919-2-9 317 Los Angeles Fish Canyon; San Gabriel Mts., Fish Canyon Comment
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Dec 10 2014
  POM362749  Salix lasiolepis Christina Clark 1929-1-12 s.n. Los Angeles S. Los Angeles. Comment
  POM50105  Salix lasiolepis L. W. Nuttall 1921-1-30 1061 Los Angeles Grand Canyon, Santa Catalina Island. Comment
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Jun 5 2014
  UC1532976  Salix lasiolepis Robert F. Thorne, C. W. Tilforth, and John Dourley 1969-7-29 38901 Los Angeles ca. 1 mi. w Vincent Gap (at one of headwaters of E. fork Big Rock Creek, N face Mt. Baden-Powell); San Gabriel Mts., Angeles Nat'l Forest, canyon above Angeles 2331 Comment
  UC483061  Salix lasiolepis F. R. Fosberg 1932-1-26 7173 Los Angeles top of grade between Calabasas and Agoura Comment
  UC506417  Salix lasiolepis Carl Hedin and Joseph Ewan 1932-5-19 7662 Los Angeles Ballona Creek at Ballona Marshes; , Ballona Creek Comment
  UC846650  Salix lasiolepis I. W. Clokey and E. G. Anderson 1931-3-11 5343 Los Angeles San Gabriel Canyon 1300 Comment
  POM280812  Salix lasiolepis Henry J. Ramsey, Henry J. Ramsey 1937-3-27 560 Los Angeles Little Tijuna Canyon. Comment
  RSA0034684  Salix lasiolepis Carl W. Sharsmith 1932-1-17 09 Los Angeles Lower San Gabriel Canyon about 9.5 km. above Azusa. 300 Comment
  RSA12369  Salix lasiolepis var. bigelovii Fay A. MacFadden 1931-04 3073 Los Angeles Verdugo Mountains: Tujunga Canyon. Comment
  CAS-BOT-BC128485  Salix lasiolepis var. lasiolepis Le Roy Abrams 1902-3-6 3103 Los Angeles Centinela Creek, Inglewood Comment
  UCR216745  Salsola tragus R. G. Swinney 2009-2-20 10014 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
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Dec 24 2010
  CAS-BOT-BC180707  Salsola tragus John Thomas Howell 1952-10-26 28876 Los Angeles Vacant lot, Palmdale Comment
  RSA444927  Salsola tragus R. Bardell 1930-01 s.n. Los Angeles El Segundo. Comment
  SD112942  Salsola tragus Darley F. Howe 1976-8-2 4908 Los Angeles Latigo Canyon Road. Comment
  SFV1099  Salsola tragus P. M. Kennamer 1958-8-7 10 Los Angeles San Fernando Valley San Fernando Valley State College campus on Lindley Ave. Road bed opposite Building F. 274 Comment
  RSA756789  Saltugilia australis Orlando Mistretta, Christine Mistretta 2008-4-28 2531 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line tower (Segment 6, Structure 61 per TRTP Survey 2008) vicinity of Upper Big Tujunga Canyon. 1220 Comment
  SDSU21055  Saltugilia grinnellii subsp. grinnellii Ian Cain, Ryan Gilmore 2010-6-2 1487 Los Angeles Angeles National Forest, San Gabrial Mountains. Roughly 2.49km east of Mount Gleason summit 1730 Comment
  RSA584774  Saltugilia splendens subsp. grantii T. S. Ross 1992-7-17 6729 Los Angeles Saddle E of Condor Peak summit. 1563 Comment
  UC2027711  Saltugilia splendens subsp. grantii Anuja Parikh with Nathan Gale 2011-6-24 3502 Los Angeles TR, SnGb,S of Iron Mountains, 1.5 km E of Angeles Forest Highway, 0.9 km S of Monte Cristo Creek. Comment
  CATA765  Salvia apiana Mark L. Hoefs 1991-5-28 1305 Los Angeles Santa Catalina Island: Near road from Black Jack to Middle Canyon [Cape Canyon Road] 469 Comment
  JEPS62525  Salvia apiana F. W. Peirson 1924-6-16 Los Angeles Pasadena Comment
  RSA401632B  Salvia apiana William Emboden 1970-6-12 46 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA401633B  Salvia apiana William Emboden 1970-6-12 25 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  UCR260798  Salvia apiana R. G. Swinney 2010-8-9 13470 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  POM62649  Salvia apiana Edward L. Greene 1903-7-20 3442 Los Angeles Claremont. Comment
  RSA442827  Salvia apiana William Emboden 1969-5-28 12 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  SBBG117927  Salvia apiana C. G. Pringle 1882-4-27 Los Angeles Los Angeles County [no specific locality] Comment
  POM306266  Salvia apiana var. apiana Henry J. Ramsey, Henry J. Ramsey 1938-5-22 1405 Los Angeles North Craig Ave., Altadena. Comment
  POM3986  Salvia carduacea W. R. Dudley, F. H. Lamb 1896-6-9 4365 Los Angeles Kings Canyon, Liebre Mts. Comment
  UCLA70137  Salvia carduacea C. Epling and L. Ellison 1930-4-17 Los Angeles Palmdale Comment
  CAS-BOT-BC173255  Salvia columbariae A. C. Sanders; Helen Kennedy 2005-4-13 29413 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  POM4129  Salvia columbariae Clara Caldwell s.n. Los Angeles Claremont. 366 Comment
  RSA0091120  Salvia columbariae R. G. Swinney 2010-4-13 12182 Los Angeles 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  UC1211060  Salvia columbariae Huron H. Smith 1912-5-3 4945 Los Angeles Azusa 243 Comment
  RSA704238  Salvia columbariae Gary D. Wallace 1982-4-17 1914 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  RSA747147  Salvia dorrii R. G. Swinney 2008-5-8 8812 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  CAS-BOT-BC214322  Salvia dorrii var. pilosa Cecil Hart 1927-4-10 s.n. Los Angeles Ridge route to Lancaster Comment
  SBBG71168  Salvia dorrii var. pilosa R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  UC25674  Salvia dorrii var. pilosa J. Burtt Davy 1896-5-19 2586 Los Angeles West Palmdale; Antelope Valley Comment
  CAS-BOT-BC233651  Salvia leucophylla M. Smith 1974-8-15 0505 Los Angeles Texaco Oil Field, Castaic Comment
  RSA727070  Salvia leucophylla Jay Walker, R. C. Walker 3190 Los Angeles NW of Castaic Lake. Along Ridge Route, 1.0 miles south of Templin road. Comment
  UC1537572  Salvia leucophylla Gordon H. True Jr. 1935-5-16 289 Los Angeles near Saugus (lower end of Bouquet Canyon); Bouquet Canyon 457 Comment
  CAS-BOT-BC229937  Salvia mellifera Carl Epling 1932-6-10 s.n. Los Angeles Santa Monica Mountains. Topanga Canyon Comment
  POM96018  Salvia mellifera P. A. Munz 1926-4-4 10014 Los Angeles 2 miles north of Saugus. Comment
  RSA167793  Salvia mellifera Robert F. Thorne, P. C. Everett 1964-2-6 33436 Los Angeles ENE slope of Black Jack Mt. above airport road, central part of Santa Catalina Island 457 Comment
  UC457212  Salvia mellifera Carl Epling 1931-5-9 Los Angeles Los Alisos Canyon; Santa Monica Mountains Comment
  JEPS62738  Salvia mellifera W. L. Jepson 1920-5-3 8928 a Los Angeles mts n Castaic Valley 975 Comment
  RSA0034499  Salvia mellifera Harold L. Pirie 1963-4-16 s.n. Los Angeles 1 mile n. of Chatsworth in SImi Hills, just of state Hi-way 118. 341 Comment
  UCR159808  Sambucus mexicana Phillip Robinson 1991-5-9 350 Los Angeles Los Angeles Basin region; San Gabriel Valley, Sycamore Canyon, 0.25 miles south of intersection of Beverly Blvd. & Workman Mill. 0.5 miles east of Workman Mill on trail into canyon. [City of Industry, SW of Rio Hondo College, east of 605 Fwy] Comment
  CAS-BOT-BC238754  Sambucus nigra subsp. caerulea Blanche Dougan Cole 1908-10-1 s.n. Los Angeles San Gabriel Mts., Los Angeles Comment
  SD107921  Sambucus nigra subsp. caerulea Larry DeBuhr 1977-4-16 2580 Los Angeles Santa Catalina Island, Cottonwood Canyon, southeast of Ranch Comment
  SD69698  Sambucus nigra subsp. caerulea Robert F. Thorne 1966-4-28 36210 Los Angeles Santa Catalina Island, Pebbly Beach Canyon , canyon at upper end of Renton Mine Road 259 Comment
  RSA470994  Sanicula arguta Ella M. Kennedy 1923-02 s.n. Los Angeles South Pasadena, Hillside Comment
  RSA659736  Sanicula arguta Orlando Mistretta, Peter L. Morrell 1992-4-3 95 Los Angeles San Clemente Island. Comment
  RSA596923  Sanicula bipinnata Scott D. White, Chet McGaugh 1995-5-9 2981 Los Angeles E edge of Santa Susana Mts., Just W of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): W of San Fernando Road and I-5 Fwy. Just SW of interchange with State Route 14. Sunshine Canyon Landfill property;, site proposed for landfill expansion. 457 Comment
  RSA596922  Sanicula crassicaulis Scott D. White, Chet McGaugh 1995-5-9 3020 Los Angeles E edge of Santa Susana Mts., Just W of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): W of San Fernando Road and I-5 Fwy. Just SW of interchange with State Route 14. Sunshine Canyon Landfill property;, site proposed for landfill expansion. 457 Comment
  SEINET269309  Sanicula crassicaulis Scott D. White, Chet McGaugh 1995-5-9 3020 Los Angeles East edge of Santa Susana Mountains just west of San Gabriel Mountains 'Sunshine Canyon': west of San Fernando road and 457 Comment
  RSA471467  Sanicula crassicaulis Robert Gustafson, Gary D. Wallace 1982-4-14 2503 Los Angeles Gold Hill, Monrovia; southern base of the San Gabriel Mts. Comment
  RSA255812  Sarcodes sanguinea Gary D. Wallace 1969-6-23 822 Los Angeles 1.8 mi W of Vincent Gap 2195 Comment
  RSA458891  Saxifraga californica Tom Burch 1940-3-17 s.n. Los Angeles Near Newhall 610 Comment
  RSA593466  Schedonorus arundinaceus Steve Boyd, Mike Wall 1996-5-16 8785 Los Angeles Liebre Mountains, Ruby Canyon upstream from confluence with Elizabeth Lake Canyon at northwest end of Red Mountain, along Ruby Canyon Road ca. 0.9 mi E of jtn with Lake Hughes Road. 622 Comment
  RSA628815  Schedonorus arundinaceus Scott D. White, Dave Bramlet 1998-6-29 6808 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  RSA747981  Schedonorus arundinaceus R. G. Swinney 2005-5-14 8232 Los Angeles San Gabriel Mtns. N of Juniper Hills, S of Pear Blossom, SE corner of Tejon Road and Longview Rd. (131st street). 1091 Comment
  POM186329  Schinus molle L. C. Wheeler 1932-9-30 1415 Los Angeles 1/4 mile below falls, Fish Canyon, San Gabriel Mts. 365 Comment
  RSA699886  Schismus arabicus LeRoy Gross, Ted Anderson 2004-5-3 1215 Los Angeles Road started west of Mt. Lukens, down (Southeast) to a little west of Earl Canyon Road. (Angeles National Forest Road surveys. Roads, 2N76.1 & 2N76.2) 1380 Comment
  SBBG131739  Schismus arabicus S. A. Junak 1999-4-22 SCa 836 Los Angeles White's Landing, tent cabin area, YMCA Camp, just W of amphitheater 6 Comment
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Jul 28 2016
  RSA587229  Schismus barbatus Orlando Mistretta 1994-5-11 1174 Los Angeles Little Rock Creek, E slopes of canyon W of Basin Campground 1037 Comment
  RSA0055751  Schismus barbatus R. G. Swinney 2010-4-23 12340 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA795686  Schoenoplectus acutus W. R. Ferren, Hamilton 1993-9-1 EPA- 293 Los Angeles Santa Monica Mountains. Tapia County Park. Comment
  CAS-BOT-BC111232  Schoenoplectus californicus George B. Grant 1904-7-14 6334 Los Angeles East lake Reservoir Comment
  POM1386  Schoenoplectus californicus I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
  UC1147889  Scirpus microcarpus Robert F. Thorne 1966-4-5 35809 Los Angeles below Stage Station sw Eagles Nest (small marsh along small stream in Middle Ranch Canyon); Santa Catalina Island, Middle Ranch Canyon, sw of Eagles Nes 76 Comment
  UCR252731  Scrophularia californica R. G. Swinney 2010-5-29 13404 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  RSA612182  Scrophularia peregrina D. Zygielbaum 1997-3-17 8 Los Angeles Claremont, NW corner of Mills Avenue and Foothill Boulevard. 412 Comment
  SBBG31455  Scrophularia villosa R. F. Thorne 1966-4-5 35797 Los Angeles SW of and near Empire Landing 152 Comment
  SD28039  Scrophularia villosa Carl. B. Wolf 1932-5-9 3471 Los Angeles Santa Catalina Island, Pebbly Beach Canyon, about I(c) way to Mexican houses 60 Comment
  RSA567299  Scutellaria siphocampyloides Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3974 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  RSA445374  Scutellaria tuberosa Martha Hilend 1928-4-18 195 Los Angeles Griffith Park. Comment
  UCR258938  Searsia lancea R. G. Swinney 2010-2-27 11764 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  UCR132309  Searsia pendulina John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  CAS-BOT-BC63898  Sedum spathulifolium J. Ewan 1932-5-30 7225 Los Angeles North Fork Tujunga Creek, San Gabriel mts. 1066 Comment
  LA94004  Selaginella bigelovii Lawrence L. Kiefer; 1966-5-14 2037 Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Peak, ca 0.5 mi above Barham Blvd, NW [label says NE] side of Cahuenga Peak. 304 Comment
  SD44623  Senecio flaccidus var. douglasii Darley F. Howe 1951-10-7 2163 Los Angeles Madeville Canyon, Santa Monica Mountains Comment
  UC149183  Senecio flaccidus var. douglasii LeRoy Abrams 1902-7-3 2646 Los Angeles Little Santa Anita canyon Little Santa Anita Comment
  CATA705  Senecio lyonii Mark L. Hoefs 1991-5-3 1203 Los Angeles Santa Catalina Island: Bluff between Hamilton Cove and Descanso Beach 82 Comment
  CATA987  Senecio lyonii Mark L. Hoefs 1994-5-21 1859 Los Angeles Santa Catalina Island: Near upper Renton Mine Road 252 Comment
  RSA313366  Senecio lyonii R. F. Thorne 1973-4-12 42902 Los Angeles San Clemente Island: China Point at end of road. 15 Comment
  RSA3610  Senecio lyonii C. B. Wolf 1932-5-14 3630 Los Angeles Between Avalon and Pebbly Beach, Santa Catalina Island. 30 Comment
  RSA4780  Senecio vulgaris James Snow s.n. Los Angeles Bryant Ranch, near Long Beach, Station no.3. Plat. 3. Comment
  RSA653842  Senecio vulgaris Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 768 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 518 Comment
  LA200266  Senecio vulgaris Harlan Lewis; 1940-4-2 1061 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak 670 Comment
  IRVC7627  Sequoia sempervirens P. W. Rundel 1964-12-6 1492 Los Angeles Claremont; Pomona College; Marston Quad. Southern Coastal 366 Comment
  CAS-BOT-BC213325  Sidalcea A. D. E. Elmer 1902-6-1 3612 Los Angeles Palmdale Comment
  LA82217  Sidalcea malviflora O. H. Kappler; 1941-5-22 275 Los Angeles Santa Monica Mountains, Upper Dume Canyon [Zuma Cyn, E-fork], Backus Ranch 487 Comment
  UC108855  Sidalcea neomexicana H. E. Hasse Los Angeles Santa Monica Comment
  LA82449  Silene antirrhina O. H. Kappler; 1944-5-7 609 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido, N slope near fire station 182 Comment
  UCR200042  Silene antirrhina Valerie Soza, B. Hogshead 2003-4-23 1635 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park, Brand Canyon 457 Comment
  SD43603  Silene californica Darley F. Howe 1948-5-5 Los Angeles Bouquet Canyon. 609 Comment
  RSA477845  Silene californica W. Hutchinson 1920-04 3382 Los Angeles Pico Canyon. Comment
  RSA0110889  Silene gallica R. G. Swinney 2011-5-6 14614 Los Angeles San Gabriel Mountains: north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road. 793 Comment
  RSA65703  Silene gallica F. W. Peirson 1919-1 420 Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  CSUSB707  Silene gallica Art Whistler 1966-5-1 Los Angeles By stream near roadside, 6 miles from intersection of Mulholland Drive and Cornell, near Lake Malibu and Seminole Hot Springs, heading from the latter towards the intersection with Bachus Road on Mulholland Drive Comment
  CAS-BOT-BC389108  Silene laciniata subsp. californica Tim Ross; Walter Appleby 1993-6-7 7370 Los Angeles W end of the San Gabriel Mtns: ca 500 ft ENE of Los Pinetos Spring 918 Comment
  RSA191107  Silene laciniata subsp. major R. F. Thorne 1967-6-25 37075 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  RSA598265  Silene laciniata subsp. major R. G. Swinney 1989-5-17 s.n. Los Angeles in and near the city of Glendora. SW boundary of Glendora wilderness park along firebread adjacent to Bluebird Hill 396 Comment
  RSA0081489  Silene platyota R. G. Swinney 2001-6-20 7994 Los Angeles Summit of Mt. Lewis, NW of Dawson Saddle. 2524 Comment
  SEINET7042267  Silene verecunda A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle. UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  UC592749  Sinapis alba Carl B. Wolf 1936-5-10 7783 Los Angeles E of Whittier (near Michigan Ave., on N side of Whittier Blvd.) 106 Comment
  RSA188274  Sinapis arvensis R. F. Thorne 1966-6-1 36466 Los Angeles Pebbly Beach terminal, Santa Catalina Island. 6 Comment
  RSA725211  Sisymbrium altissimum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -32 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  RSA749074  Sisymbrium altissimum R. G. Swinney 2005-8-11 8448 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  SBBG12247  Sisymbrium irio P. H. Raven 1962-4-9 17140 Los Angeles near barracks, Wilson Cove 60 Comment
  RSA428429  Sisymbrium irio Ida Lou Sayler 1942-4-19 s.n. Los Angeles Vacant lot, San Marino Comment
  RSA65824  Sisymbrium officinale F. W. Peirson 1920-4-25 2109 Los Angeles Arroyo Seco, west of Pasadena 411 Comment
  RSA724767  Sisymbrium orientale K. Dobry 1991-5-22 d- 634 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  UCSB68617  Sisymbrium orientale Gross, LeRoy; Denslow, Michael; Sidibeh, Mariam; Soza, Valerie 2003-2-10 Los Angeles Transverse Ranges; Verdugo Mountains Region; South side; along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway; (Burbank Quad.; T1N R13W S5, bottom center) 622 Comment
  RSA79237  Sisyrinchium bellum G. R. Campbell 1952-6-28 17288 Los Angeles South slope Mt. (''Baldy'') San Antonio 2499 Comment
  UCR124671  Sisyrinchium bellum B. C. Templeton 1933-7-21 5033 Los Angeles San Gabriel Mountains, Prairie Forks 1905 Comment
  RSA0041742  Smilacina stellata Timothy S. Ross 1990-8-17 3176 Los Angeles San Gabriel Mountains: S side of Prairie Fork, in the vicinity of Columbine Spring. 2182 Comment
  UCR149800  Solanum americanum Scott D. White, Pam Devries 2004-6-14 10483 A Los Angeles Western Transverse Ranges, Eastern Santa Susana Mountains. West of the I-5 Freeway, c. 4 mi N of I-5 / SH-14 jtn and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 518 Comment
  RSA654564  Solanum americanum Benjamen Rangel 1992-4-26 777 -31 Los Angeles In the front lawn of the west side of Alamitos, bld #22 at Cal Poly Pomona. Comment
  RSA422379  Solanum douglasii Reid Moran 1941-3-8 688 Los Angeles White's Landing, Santa Catalina Island. 50 Comment
  RSA647796  Solanum douglasii LeRoy Gross, Laura Moore 2000-6-5 206 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview and Mountain, Glendale. 274 Comment
  UCR282215  Solanum douglasii Dan S. Cooper 2015-10-14 1015- 01 Los Angeles Western Transverse Range; Santa Monica Mtns., Los Angeles, Griffith Park, Vermont Canyon 259 Comment
  RSA276004  Solanum douglasii Jack Delaini 1974-4-5 97 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 396 Comment
  CHSC100180  Solanum nigrum John Dittes 2006-6-4 1392 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.3 air miles northwest of Chatsworth High School, ca. 0.9 air mile west of Topanga Blvd., ca. 0.8 air mile east x northeast of Santa Susana Pass. 381 Comment
  NY821442  Solanum nigrum L. Abrams 1902-5-31 2488 Los Angeles Inglewood Comment
  UCR48947  Solanum nigrum A. C. Sanders 1987-9-18 7351 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  JEPS12134  Solanum umbelliferum John Thomas Howell 1928-5-4 3775 Los Angeles Monrovia Canyon; San Gabriel Mountains, Monrovia Canyon Comment
  JEPS85088  Solanum umbelliferum Roy E. Buck, Rexford Palmer 1989-4-29 1238 Los Angeles 10 air km sse of Gorman (s side of Hungry Valley Road, 2.7 air km nw of confluence of Gorman Creek and Hungry Valley drainage, Lower Hungry Valley); Lower Hungry Valley 922 Comment
  RSA0094391  Solanum umbelliferum Richard G. Swinney 2011-5-31 14910 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA652025  Solanum umbelliferum David B. Dunn, H. Lint, P. Tolstoy 1948-4-23 s.n. Los Angeles Bonita Ave. near Irwindale Ave. Irwindale. Comment
  UC26264  Solanum umbelliferum Brewer 108 Los Angeles San Gabriel Canyon Comment
  RSA427404  Solanum umbelliferum N. C. Cooper 1945-5-1 2201 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  RSA427428  Solanum umbelliferum Christopher Davidson, Robert Gustafson 1975-6-24 2877 Los Angeles Big Tujunga Canyon, ca. 5 miles NE of Sunland on road 2N78, small side canyon. 686 Comment
  SBBG79166  Solanum wallacei F. R. Fosberg 1931-3-18 4285 Los Angeles Hamilton Cyn 10 Comment
  NY820380  Solanum xanti G. T. Hastings 1940-12-30 s.n. Los Angeles Bundy Drive Canyon - Los Angeles Comment
  RSA473610  Solidago californica George R. Johnstone 1927-10-30 s.n. Los Angeles Big Tujunga Canyon; mountain slope upper part of canyon. Comment
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Nov 13 2011
  RSA774055  Solidago californica R. G. Swinney 2009-6-12 11134 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River. 652 Comment
  RSA164798  Solidago canadensis var. gilvocanescens R. M. Straw 1956-10-18 957 Los Angeles Possibly escaped from cultivation, Pasadena Comment
  OBI62121  Solidago velutina subsp. californica P. A. Holden 1968-11-19 616 Los Angeles 10 mi SE of Gorman on roadbank of rd to Lake Hughes Comment
  UCR276971  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
  RSA474073  Sonchus asper M. B. Dunkle 1939-4-2 7209 Los Angeles San Clemente Island, southeast point. Comment
  RSA675939  Sonchus oleraceus LeRoy Gross 2003-3-9 802 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north,, and Glenoak Blvd. (Scholl Canyon) to the south. 354 Comment
  SBBG98063  Sonchus oleraceus T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5151 Los Angeles beginning of Larkspur Cyn drainage, 1600 ft SE of Benchmark 924 at E end of the old airfield landing strip 249 Comment
  UCR194263  Sonchus oleraceus R. G. Swinney 1998-8-6 6671 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  LA212314  Sonchus oleraceus Bill Bozarth; 1949-7-11 s.n. Los Angeles Conoga Park. Comment
  RSA474072  Sonchus oleraceus M. B. Dunkle 1939-4-6 7289 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  UC284186  Sonchus oleraceus P. A. Munz 1923-4-9 6680 Los Angeles 2 mi s Casa Blanca (San Clemente Island); San Clemente Island Comment
  LA206418  Sorghum halepense Monte Lloyd; 1950-7-30 400730 p930 Los Angeles Florence Ave. and Cedar St., Huntington Park 106 Comment
  OBI35714  Spartium junceum Rebecca Cicoria 1982-4-26 58 Los Angeles Palos Verdes Peninsula Lower Blackwater Cyn, Rolling Hills Comment
  RSA233382  Spergula arvensis Arthur C. Gibson, Linda C. Gibson 1972-2-26 2801 Los Angeles Dume Road near Point Dume Comment
  SD66914  Spergularia bocconi R. Mitchel Beauchamp 1967-3-18 2960 Los Angeles San Clemente Island; below Lemon Tank. Comment
  RSA0098222  Spergularia macrotheca Larry E. DeBuhr, Gary D. Wallace 1972-9-2 691 Los Angeles San Clemente Island: at south end of the cove south of Eel Point. Comment
  SBBG69979  Spergularia macrotheca var. leucantha M. N. Ackley -Jun-1927 79 Los Angeles Inglewood 47 Comment
  SBBG77776  Spergularia macrotheca var. macrotheca F. R. Fosberg 1931-5-22 54969 Los Angeles Isthmus Harbor Comment
  CDA24140  Spergularia marina T. C. Fuller 1981-4-1 20350 Los Angeles Below Salicornia, Ballona Marsh, 210 meters north of 431 East Culver Boulevard, Playa del Rey. 0 Comment
  SBBG56956  Sporobolus airoides R. Hoffmann 1928-7-8 Los Angeles Lancaster Comment
  UCR150548  Stachys albens R. G. Swinney 1999-6-21 7350 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  CSUSB1068  Stachys bullata Sally Crum 1966-4-16 Los Angeles San Gabriel Mountains San Gabriel Mountains; In deeply shaded ravine at southern end of San Lorenzo Nursery boundary road in Cloverleaf Canyon. 1066 Comment
  RSA580341  Stachys rigida subsp. rigida Louis C. Wheeler 1933-4-27 1665 Los Angeles San Pedro Hills 305 Comment
  CAS-BOT-BC60962  Stanleya pinnata var. pinnata Timothy S. Ross; Steve Boyd 1990-5-29 2713 Los Angeles San Gabriel Mountains. Big Rock Springs. Immediate vicinity of Big Rock Creek where crossed by Big Pines Highway. 1194 Comment
  RSA66814  Stanleya pinnata var. pinnata F. W. Peirson 1918-6-16 292 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1448 Comment
  CAS-BOT-BC374813  Stebbinsoseris heterocarpa Louis C. Wheeler 1934-5-1 2578 Los Angeles La Verne 304 Comment
  RSA632944  Stellaria media Valerie L. Soza, Kent Hughes 1999-6-17 534 Los Angeles San Gabriel Mountains: Chantry Flat, off road 2N41, west of water tank 701 Comment
  RSA720361  Stellaria media LeRoy Gross 2007-3-30 2615 Los Angeles Northeast side of the range. Unnamed canyon or east branch of Engleheard Canyon. Hiked this creek from just off a dirt road near the mouth to a little way up canyon., From 34.20590N, 118.24818W, to 34.20117N, 118.25262W. 404 Comment
  UCR258554  Stellaria media R. G. Swinney 2010-8-9 13482 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  JEPS36851  Stephanomeria cichoriacea John Thomas Howell 1927-10-16 3145 Los Angeles Sturtevant Falls San Gabriel Mts., Santa Anita Canyon. Comment
  LA32089  Stephanomeria cichoriacea Peter H. Raven; Henry J. Thompson 1959-9-27 14502 Los Angeles Santa Monica Mountains, Sepulveda Canyon, along Sepulveda Blvd 243 Comment
  SD39623  Stephanomeria exigua subsp. coronaria Edith A. Purer 1933-10-7 5591 Los Angeles El Segundo Comment
  UC1584880  Stephanomeria exigua subsp. coronaria Tim Ross and Steve Boyd 1991-7-24 5644 Los Angeles nne slope Granite Mountain; Pacifico Mountain USGS 7.5' Quad., Granite Mountain 1901 Comment
  CAS-BOT-BC375473  Stephanomeria exigua subsp. exigua Le Roy Abrams; E. A. McGregor 1908-6-20 414 Los Angeles Elizabeth Lake, Liebre Mountains 1219 Comment
  UC213255  Stephanomeria pauciflora I. M. Johnston 1918-7-23 2099 Los Angeles near Claremont; San Antonio Canyon 365 Comment
  LA32888  Stephanomeria virgata Peter H. Raven; Henry J. Thompson 1958-10-11 13750 Los Angeles Santa Monica Mountains, Tuna Canyon, Tuna Canyon Road 0.5 mi S of junction with Saddle Peak Rd 518 Comment
  RSA0114945  Stephanomeria virgata R. G. Swinney 2011-6-29 15337 Los Angeles San Gabriel Mountains; mouth of Monte Cristo Canyon, confluence with Mill Creek. 1098 Comment
  RSA127817  Stephanomeria virgata P. H. Raven, Henry J. Thompson 1958-9-19 s.n. Los Angeles Santa Monica Mountains, road borders of United States Hwy 101, 0.2 miles east of turn to Zuma Beach. 46 Comment
  UCR213460  Stipa lepida A. C. Sanders, Karen Kirtland 2010-5-14 38353 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  CATA478  Stipa pulchra Sara L. Crockett, Mark Hoefs, Steven Junak, Janet Takara 1997-3-28 620 Los Angeles Santa Catalina Island: End of Cat Harbor Road, on NE side of Cat Harbor 74 Comment
  UCR193677  Stipa speciosa R. G. Swinney 1999-6-5 7268 Los Angeles San Gabriel Mtns., western end of ridge extending from Big John Peak, above Big John Flat 1793 Comment
  CATA3514  Stipa tenuissima Julia Parish 2017-12-30 047 Los Angeles Santa Catalina Island: Avalon; Baywatch landscaping 12 Comment
  RSA248013  Streptanthella longirostris R. F. Thorne, Gary D. Wallace 1973-4-24 43453 Los Angeles Antelope Valley, Western Mojave Desert: Lovejoy Buttes, N of Llano, S slope 915 Comment
  CATA353  Stuckenia pectinata Mark L. Hoefs 1973-7-20 398 Los Angeles Santa Catalina Island: In Middle Ranch Reservoir 182 Comment
  RSA0070123  Stylocline gnaphaloides LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6955 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  SBBG18893  Stylocline gnaphaloides S. A. Junak 1997-3-11 SCl 749 Los Angeles SE side of Sibara Ridge, ca. 0.35 mi S of Triangulation Pt Guds 112 Comment
  RSA598364  Stylocline gnaphaloides L. C. Wheeler 1967-5-24 9734 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 701 Comment
  RSA653093  Stylocline psilocarphoides B. Pitzer 1998-5-23 3746 Los Angeles Soledad Canyon: vicinity of Soledad Pass, Soledad Canyon Rd ca 1/2 mi. S of Sierra Hwy.[UTM 10km cell: 11SLJ-9E, 1N. Soledad Canyon] 945 Comment
  UCR225772  Stylomecon heterophylla Dave Silverman, Cindy Hopkins 2007-4-27 6770 Los Angeles SW Tehachapi Mountains, Tejon Ranch, 1.2 km south of Kern County line, 1.2 km due north of Oso Canyon and 1.3 km south of National Cement Plant 1053 Comment
  SBBG31027  Suaeda taxifolia R. F. Thorne with P. C. Everett 1965-5-11 34545 Los Angeles N of Catalina Harbor Comment
  SD249190  Suaeda taxifolia Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2192 Los Angeles San Clemente Island. Northern tip of island, west of Northwest Harbor near intertidal zone. 3 Comment