Search Results — 2000 specimen records retrieved (1579 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 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
  UCD134219  Abies concolor J. Latting 1973-6-24 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek site, Fenner Canyon, north side of mountains. 1585 Comment
  UCR281171  Abronia pogonantha R. G. Swinney 2014-4-23 16184 Los Angeles San Gabriel Mountains, east of Valyermo, Holcomb Ridge, 0.18-0.32 miles north of Bob's Gap Rd., 1.04 air-miles west of Bob's Gap 1302 Comment
  RSA0025875  Abronia umbellata Robert F. Thorne 1970-3-6 39383 Los Angeles Santa Catalina Island: Ben Weston Beach (Mills Landing). 2 Comment
  SD66881  Abronia umbellata R. Mitchel Beauchamp 1967-3-19 319 Los Angeles San Clemente Island; sandy area south of air strip at Sherman Field. Comment
  NY679463  Abronia umbellata H. E. Hasse 1888-4-18 4119 Los Angeles At Long Beach. Comment
  POM123202  Abronia umbellata Marcus E. Jones 1900-7-12 6500 Los Angeles Long Beach. Comment
  SD52897  Abronia umbellata Peter H. Raven 1962-7-10 17952 Los Angeles San Clemente Island; sandy slope near west shore of island due west of Wall 2. Comment
  UCR116290  Abronia villosa B. G. Pitzer 1998-5-12 3700 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
  RSA764466  Abronia villosa var. villosa Doris Bowers 1957-4-25 208 Los Angeles Mojave Desert N/o Big Pines 1220 Comment
  RSA579227  Acacia cyclops T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7425 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; un-named horseshoe-shaped canyon to the NE of upper Forrestal Drive. 177 Comment
  UCR177312  Acacia dealbata LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1037 Los Angeles Transverse Ranges; Verdugo Mountains, South side of mountains, west side of Brand Canyon just a short distance above the cemetery 307 Comment
  SEINET10452375  Acacia melanoxylon David B. Dunn 1946-1 Dunn 1996 -A Los Angeles Mimosaceae. Cultivated and weedy plants in the yard at 4911 Pasadena Ave. Terrace, Los Angeles. Comment
  RSA76985  Acer macrophyllum F. W. Peirson 1923-5-26 3538 Los Angeles Rock Creek, San Gabriel Mountains 1982 Comment
  SD66893  Achillea millefolium R. Mitchel Beauchamp 1967-3-17 259 Los Angeles South of Wilson Cove, San Clemente Island. Comment
  CAS-BOT-BC211924  Achnatherum coronatum Cecil Hart 1925-5-18 s.n. Los Angeles Pasadena Comment
  SEINET4345054 Image available Achnatherum coronatum A. C. Sanders, Helen Kennedy 2005-1 29446 Los Angeles Western San Gabriel/Liebre Mountains; Santa Clarita area, lower Mint Canyon at community of Mint Cayon 457 Comment
  UCD55574  Achnatherum hymenoides B. Crampton 1955-4-28 2722 Los Angeles Joshua Tree Woodland. State Hwy. 138. 5 miles east of Llano and about 26 miles east of Palmdale. Comment
  UC577642  Achnatherum speciosum H. S. Yates 1937-6-24 6596 Los Angeles San Gabriel Wash Pomona Quadrangle Comment
Read comments
May 27 2008
  RSA91667  Achnatherum speciosum Joseph A. Ewan 1932-5-29 7197 Los Angeles Lower Arrastre Canyon 854 Comment
  LA94384  Achyrachaena mollis A. M. Johnson; 1934-4-20 4441 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  CAS-BOT-BC204749  Acmispon argophyllus var. argenteus Frank W. Peirson 1923-4-9 3468 Los Angeles 2 miles S.-E. of Wilsons [Wilson] Cove, San Clemente Comment
  CATA1042  Acmispon argophyllus var. argenteus Mark L. Hoefs 1995-5-10 1968 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  SD79054  Acmispon argophyllus var. argenteus R. Mitchel Beauchamp 1967-1-27 118 Los Angeles San Clemente Island, near sea bluff east of Wilson Cove area Comment
  UC15673  Acmispon argophyllus var. argenteus Blanche Trask May 1896 Los Angeles Avalon, Santa Catalina Island. Comment
  LA210145  Acmispon glaber var. glaber Harlan Lewis; 1940-4-3 1273 Los Angeles Santa Monica Mountains, 10 mi. W of Malibu Beach 22 Comment
  LA52423  Acmispon maritimus var. maritimus Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA0019446  Acmispon strigosus Orlando Mistretta, Youssef Atallah 2011-8-12 6030 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. On bench above Aliso Creek. 1083 Comment
  CATA3082  Acmispon wrangelianus Amy Catalano 2016-4-22 080 Los Angeles Santa Catalina Island: South side of Middle Ranch Road, west end of bridge by Quail Valley 137 Comment
  SBBG131132  Acmispon wrangelianus S. A. Junak 1999-5-21 SCa 968 Los Angeles ridge just E of KBRT Radio Station, along S side of Airport Rd, on E side of KBRT Valley 445 Comment
  CAS-BOT-BC29206  Acourtia microcephala James McMurphy 1916-4-14 s.n. Los Angeles Topango Canyon Comment
  CAS-BOT-BC29211  Acourtia microcephala Tim Ross; Steve Boyd 1994-6-22 8017 Los Angeles Warm SPrings Canyon, La Liebre Mtns, 0.5 road miles W of Lake Hugher Rd along Forest Service Rd 6N32 658 Comment
  UCD150959  Acourtia microcephala D. S. Park 2010-4-26 44 Los Angeles Ranch Santa Ana Botanic Garden 381 Comment
  POM147968  Adenostoma fasciculatum var. fasciculatum Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  POM874  Adiantum capillus-veneris I. M. Johnston 1918-9-1 2135 Los Angeles San Antonio Mountains. Fern Canyon north of Brown's Flats. 1220 Comment
  RSA760568  Ageratina adenophora R. G. Swinney 2009-3-10 10078 Los Angeles Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  UCR223665  Ageratina adenophora R. G. Swinney 2009-6-12 11133 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
  RSA600560  Ageratina occidentalis Louis C. Wheeler 1954-9-1 7087 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  RSA724636  Agoseris grandiflora K. Dobry 1992-10-25 D- 1086 Los Angeles Santa Monica Mts. in the City of Westlake at So. end of Las Virgenes Reservoir at So. end of Lindero Cyn. Comment
  RSA733279  Agoseris retrorsa R. G. Swinney 2001-6-16 7970 Los Angeles San Gabriel Mtns.: Juniper Hills, north side of Pleasant View Ridge, secondary ridge between Miller and McClure canyons. 1951 Comment
  RSA774273  Agoseris retrorsa R. G. Swinney 2009-6-8 11097 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SEINET3282758 Image available Agrostis R. G. Swinney 2001-9-15 8137 Los Angeles San Gabriel Mountains; Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood]. 2561 Comment
Read comments
Mar 25 2014
  RSA733576  Agrostis exarata R. G. Swinney 1998-7-29 6548 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground 1817 Comment
  RSA384950  Agrostis pallens Stone 1936-4-11 s.n. Los Angeles Griffith Park. Comment
  RSA0095246  Allium burlewii R. G. Swinney 2011-6-7 15024 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1585 Comment
  RSA128272  Allium haematochiton H. J. Thompson 1959-3-27 1882 Los Angeles Santa Monica Mountains: 0.5 mile east of peak, Saddle Peak. 701 Comment
Read comments
Jan 16 2017
  JEPS518  Allium monticola I. M. Johnston 1917-7-4 1446 Los Angeles Head of San Antonio Canyon San Antonio Mountains, San Antonio Canyon 2438 Comment
  RSA86583  Allophyllum divaricatum Verne Grant 1954-5-16 9389 Los Angeles Just above main fork in Evey Canyon, west of San Antonio Canyon, San Gabriel mtns. Comment
  CATA3309  Allophyllum glutinosum Amy Catalano, Jen Dreizehn 2017-3-23 026 Los Angeles Santa Catalina Island: South edge of exclosure 4B, south facing slope in upper Grand Canyon 423 Comment
  RSA67295  Allophyllum glutinosum Verne Grant, Alva Grant 1951-6-11 16037 Los Angeles Hwy 2, Charlton Flats, San Gabriel Mountains. 1677 Comment
  JEPS58604  Alnus rhombifolia C. E. Hutchinson 1892-8-10 Los Angeles in small canyon near Altadena 243 Comment
  UCR109620  Alternanthera philoxeroides R. D. Goeden, Don W. Ricker 1965-9-23 s.n. Los Angeles San Gabriel Valley, Whittier Narrows 61 Comment
  UCR210406  Amaranthus albus R. G. Swinney 2008-12-6 9969 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  UCR205659  Amaranthus blitoides A. C. Sanders, T. B. Salvato 2009-5-20 36875 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  UC569157  Amaranthus deflexus P. A. Munz 1932-10-1 13130 Los Angeles Pomona Junction Pomona 274 Comment
  CAS-BOT-BC126768  Amblyopappus pusillus A. C. Sanders; Lee Jones 2005-4-8 29361 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA416872  Amblyopappus pusillus Blanche Trask 1900-03 3693 Los Angeles Avalon, Santa Catalina Island. Comment
  RSA760606  Ambrosia acanthicarpa R. G. Swinney 2008-12-2 9927 Los Angeles Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  UCR121260  Ambrosia acanthicarpa R. G. Swinney 1989-11-24 1498 Los Angeles San Gabriel Mtns, Big Dalton Canyon area, in and near Glendora Wilderness Park. Big Dalton debris basin 366 Comment
  POM266300  Ambrosia acanthicarpa J. C. Roos 1942-9-19 1711 Los Angeles West Los Angeles. Comment
  UCR100429  Ambrosia psilostachya Scott D. White 1997-11-5 6019 Los Angeles Malibu Coast, Mouth of Trancas Canyon, north of Pacific Coast Hwy (= Calif. Hwy 1) 8 Comment
  CAS-BOT-BC142550  Amelanchier utahensis P. Parnay 1911-6-1 s.n. Los Angeles Santa Ana Canyon 2286 Comment
  RSA415298  Amorpha californica G. R. Johnstone 1931-5-3 s.n Los Angeles Pico Canyon, Santa Susana Mountains. Comment
  RSA415282  Amorpha californica var. californica L. E. Hoffman 1929-5-14 s.n Los Angeles Pacoima Canyon, Angeles National Forest Comment
  RSA584330  Amorpha californica var. californica T. S. Ross 1993-6-7 7367 Los Angeles W end of the San Gabriel Mtns.: NW side of Lupine Saddle at the head of the draw that drains NNW to Los Pinetos Spring. 954 Comment
  LA40189  Amsinckia intermedia Harlan Lewis; 1940-2-24 1092 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  RSA596891  Amsinckia intermedia T. S. Ross, J. Mark Porter 1995-5-4 8466 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  POM19224  Amsinckia intermedia P. A. Munz 1923-4-8 6630 Los Angeles San Clemente Island, E coast Comment
  UC398773  Anagallis arvensis Katharine Brandegee 1916-1 Los Angeles Santa Catalina Isl. Comment
  HSC17841  Anagallis arvensis David Porter 1965-5-6 Los Angeles 1 mi. N of Chatsworth, Simi Hills 351 Comment
  RSA600034  Ancistrocarphus filagineus Steve Boyd, Lauren Raz 1997-3-25 9254 Los Angeles Liebre Mountains region, extreme NW corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
Read comments
Apr 28 2008
  SBBG125052  Androsace elongata subsp. acuta A. Parikh, N. Gale 2010-5-25 3220 Los Angeles E Liebre Mtns, Sierra Pelona, 5.4 km W of State Hwy 14, 2.0 km SW of California Aqueduct 1131 Comment
  POM184310  Anethum graveolens L. M. Booth 1932-7-6 1267 Los Angeles Anaheim Road, west of American Avenue, Long Beach. 15 Comment
  POM184681  Anisocoma acaulis Joseph A. Ewan 1932-6-14 7385 Los Angeles Pine Ridge west of Pacifico Mt. 1981 Comment
  UCR132937  Anthemis cotula Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  SBBG83175  Antirrhinum coulterianum R. Hoffmann 1930-6-7 Los Angeles Elizabeth Lake Cyn Comment
  RSA653785  Antirrhinum kelloggii J. Bogdanoff-Lord 1989-5-5 2 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line and Mills, Claremont, on west side of Mt. Baldy Road. Comment
  SEINET4044465  Antirrhinum kelloggii D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 182 Comment
  UCR146225  Antirrhinum kelloggii Valerie Soza, Steve Boyd 2002-4-10 1386 Los Angeles Transerve Ranges, Liebre Mountains region, Ridge above E fork of Haskell Canyon, ridge just west of Del Sur Ridge; c. 1.8-2 mi NW along Coarse Gold Canyon fire road from Bouquet Canyon; Stables Fire 2001 area 655 Comment
  RSA0016872  Antirrhinum kelloggii John O'Leary 1979-4-7 s.n. Los Angeles Encinal Canyon; Santa Monica Mts. 335 Comment
  JEPS15510  Antirrhinum nuttallianum subsp. subsessile Peter H. Raven 1956-6-17 9417 Los Angeles slopes nw Sunset Boulevard (at Sepulveda Boulevard); Santa Monica Mountains Comment
  RSA65886  Aphanisma blitoides P. A. Munz 1923-4-10 3479 Los Angeles San Clemente Island, middle of island Comment
  POM257566  Apiastrum angustifolium C. B. Wolf 1932-5-12 3585 Los Angeles Santa Catalina Island, 1.5 miles from Little Harbor , on road to Isthums 91 Comment
  UCR155612  Apiastrum angustifolium A. C. Sanders 2005-5-11 30148 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  RSA151013  Apiastrum angustifolium P. H. Raven 1962-5-9 17665 Los Angeles Canyon south of Mosquito Cove, San Clemente Island 320 Comment
  RSA470377  Apiastrum angustifolium Louis Greata 1901-03 s.n. Los Angeles near Eaton Canon Comment
  POM156719  Apocynum cannabinum L. R. Abrams 1902-7-12 2709 Los Angeles Coldwater Canyon, San Antonio Mountains Comment
  UCSB1940  Aquilegia formosa Crum, Charles 1958-7-3 Los Angeles Crystal Lake roadside; near Los Angeles 1219 Comment
  RSA84421  Aquilegia formosa F. W. Peirson 1921-6-19 47 Los Angeles North Fork of San Gabriel River. 1006 Comment
  RSA0029416  Arabis John F. Emmel 1996-5-11 1397 Los Angeles Sierra Pelona, SSE of Bouquet Reservoir; along USFS Road 6N07, 1.2 road mi west of junction with USFS Road 6N08. 1402 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
  UCR193158  Arabis repanda R. G. Swinney 1998-7-14 6444 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.2-0.3 mi. west of Camp Lupine trail 2247 Comment
  UCR138504  Arabis sparsiflora var. arcuata L. C. Wheeler 1970-6-28 s.n. Los Angeles San Gabriel Mtns., Little Fish Fork, Fish Fork Camp 2012 Comment
  CAS-BOT-BC23852  Arctostaphylos catalinae Brandegee 1889-5-1 24 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC23854  Arctostaphylos catalinae E. R. Blakley 1962-10-5 5434 Los Angeles NE side of Black Jack Mt. at the junction of Island Road and Whites Landing. 365 Comment
  POM209632  Arctostaphylos catalinae C. B. Wolf 1932-5-13 3626 Los Angeles Santa Catalina Island. Hillside south of largest Reservoir, 3.5 mi. (by road) from Avalon on way to Isthmus 365 Comment
  RSA626791  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20191 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 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
  UCR256542  Arctostaphylos glandulosa subsp. gabrielensis Anuja Parikh, Nathan Gale 2011-6-18 3486 Los Angeles Transverse Range: San Gabriel Mountains, Aliso Canyon, just west of Angeles Forest Hwy, 0.7 km south-southeast of Aliso Canyon Road 1331 Comment
  RSA632945  Arctostaphylos glandulosa subsp. mollis Valerie L. Soza, Kent Hughes 1999-6-17 553 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above San Olene Canyon. 746 Comment
  RSA660777  Arctostaphylos glandulosa subsp. mollis Jeff Weiler 1981-4-26 35 Los Angeles La Canada, Earl Canyon Motorway. Trailhead: NW side of Palm Dr., .3 mi. N of intersection with Fairmount Ave. Comment
  RSA616857  Arctostaphylos glauca Cary Otis 1927-1 s.n. Los Angeles Gold Bar Mill site Comment
  RSA631434  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15613 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1460 Comment
  RSA631652  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15986 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA652403  Arctostaphylos glauca Stephen Hill 1981-2-27 25 Los Angeles Hwy. 39 1.2 miles N. of Coldbrook station on E. side of Hwy. Comment
  RSA659947  Arctostaphylos glauca Orlando Mistretta 1992-5-18 351 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  RSA725213  Arctostaphylos glauca Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -34 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
  RSA783661  Arctostaphylos glauca J. D. Olmsted 1959-2-23 s.n. Los Angeles Foot of San Gabriel Mtns: San Antonio wash. Claremont, Blanchard Park on Pomona College campus. 366 Comment
  UCR223040  Arctostaphylos glauca R. G. Swinney 2009-5-6 10667 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  SEINET11984070  Arctostaphylos glauca D. P. Reagan n d 22 Los Angeles about 2 mi W of Gorman Comment
  POM294821  Arctostaphylos glauca var. glauca Lyman Benson 1912-3-12 11607 Los Angeles Claremont, Pacific Slope Drainage Area. 351 Comment
  UC1137451  Arctostaphylos parryana H. A. Jensen 1933-3-20 274 Los Angeles Sunset Peak Angeles National Forest, Cucamonga Quadrangle Comment
  UCR151001  Arctostaphylos parryana Walter Wisura 2001-4-30 5153 Los Angeles Transverse Ranges; San Gabriel Mtns region, Hwy N4, 0.4 mi N of the junction with Hwy 2 Comment
  RSA634690  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20326 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634819  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20235 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634846  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20526 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635059  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20361 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA635165  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22041 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA601018  Arctostaphylos patula L. C. Wheeler 1966-9-21 8911 Los Angeles San Gabriel Mountains. South fork of Big Rock Creek in the vicinity of Lily Spring. 2378 Comment
  RSA771608  Arctostaphylos patula R. G. Swinney 2009-5-28 10961 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR223553  Arctostaphylos patula R. G. Swinney 2009-6-2 10995 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA96408  Arctostaphylos patula E. K. Balls 1954-8-4 19784 Los Angeles trail to ski lift, Baldy summit 2500 Comment
  UCR202685  Arenaria nuttallii subsp. gracilis R. G. Swinney 2001-8-9 8031 Los Angeles San Gabriel Mtns., Pleasant View Ridge, saddle at the west end of Mt. Williamson 2500 Comment
  RSA423599  Arenaria serpyllifolia Anstruther Davidson 1924-5-1 s.n. Los Angeles Tujunga Canyon. 854 Comment
  RSA122640  Argemone munita A. D. Gifford 1935-5-14 711 Los Angeles 4 miles W. of Manzana. 945 Comment
  UCR282670  Aristida adscensionis Dan S. Cooper 2017-4-13 417- 26 Los Angeles Cornell Corners, ridge east of Kanan Rd. & Cornell Rd. 283 Comment
  CAS-BOT-BC84971  Artemisia californica Grant 1906-9-1 7170 Los Angeles Catalina Is., So. Calif. Comment
  RSA417238  Artemisia californica L. C. Wheeler 1931-11-20 365 Los Angeles 2 miles N of Claremont. 412 Comment
  RSA522966  Artemisia californica Timothy S. Ross 1991-2-23 4093 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 292 Comment
  UC1119568  Artemisia douglasiana P. L. Johannsen 1934-2-17 291 Los Angeles Pico Canyon Santa Susana Quadrangle Comment
  UCR212783  Artemisia douglasiana Ellen Mackey, Blake Whittington 2006-10-4 NFWF- 1770 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel River watershed [Sycamore Canyon, east of Sycamore Canyon Road and north of San Dimas Canyon Park] 394 Comment
  CAS-BOT-BC93828  Artemisia dracunculus Le Roy Abrams 1901-4-6 1392 Los Angeles Big Tujunga Wash Comment
  SBBG62517  Artemisia ludoviciana R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  SBBG43892  Artemisia nesiotica M. R. Benedict 1971-6-25 Los Angeles 0.5 mi S of Wilson Cove Comment
  UCR108217  Artemisia spinescens Steve Boyd, Kent Hughes 1998-5-5 10187 Los Angeles West Mojave Desert, Antelope Valley, along Hwy 138 (West Ave. D), west of the junction with Hwy 14, at intersection with 140th Street, c. 4 mi. SW of Rosamond Dry Lake 701 Comment
  UCR279828  Artemisia spinescens Onkar Singh 2016-4-2 5694 Los Angeles Mojave Desert, Antelope Valley, 11 km NW of Lancaster, 200 m south of West Avenue F and 400 m west of 60th Street West 708 Comment
  JEPS31113  Artemisia tridentata Ernest C. Twisselmann 1961-10-31 6674 Los Angeles 0.5 mi n of Sandburgs Lodge; Liebre Mountains, Old Ridge Route 1127 Comment
  JEPS9094  Artemisia tridentata subsp. parishii John Thomas Howell 1950-11-9 27484 Los Angeles 3 mi sw of Newhall Comment
  POM18158  Arthrocnemum subterminale P. A. Munz 1923-4-11 6768 Los Angeles Hay Ranch, San Clemente Island Comment
  RSA599736  Arundo donax L. C. Wheeler 1967-11-24 s.n. Los Angeles San Gabriel Mountains: Millard Canyon at Canyon Crest Road. 412 Comment
  SBBG17265  Asclepias californica K. A. Wilson 1962-5-12 1280 Los Angeles cyn with public cmpgrds leading to Devils Punch Bowl trail Comment
  RSA719490  Asclepias fascicularis Gary Kovnat, LeRoy Gross 2003-6-28 46 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  UCR206473  Asclepias fascicularis A. C. Sanders, T. B. Salvato 2009-5-19 36834 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  UC1594402  Asphodelus fistulosus Tim Ross and Elizabeth Kellogg 1992-4-13 6137 Los Angeles n head San Clemente Island (off e end of active runway) 42 Comment
  RSA686323  Aspidotis californica Ora M. Clark 1928-10-14 1210 Los Angeles Near Camp Baldy. Comment
Read comments
Mar 2 2008
  LA202856  Asplenium vespertinum Lawrence L. Kiefer; 1963-2-17 433 Los Angeles San Gabriel Mountains, Eaton Canyon, below the second falls 548 Comment
  RSA623472  Aster greatae L. C. Wheeler 1975-9-22 s.n. Los Angeles San Gabriel Mountains: Graveyard Canyon. Comment
  RSA5611  Aster hesperius C. B. Wolf 1932-9-16 4105 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  UCD104637  Astragalus asymmetricus Gordon J. Pilone 1963-4-15 265 Los Angeles Diamond Bar Ranch, Brea Canyon. Santa Ana Mt. Range. 609 Comment
  UCR270400  Astragalus bicristatus John F. Emmel 2001-6-3 1714 Los Angeles San Gabriel Mountains, along road on south slope of Table Mountain, 0.0-0.2 air mile north & 0.5-0.8 air mile east of Big Pines Ranger Station 2195 Comment
  RSA90185  Astragalus brauntonii F. W. Peirson 1917-5-1 592 Los Angeles Topanga Canyon, Santa Monica Mountains. Comment
  UCR194142  Astragalus didymocarpus A. C. Sanders 2008-4-25 35109 Los Angeles Transverse Range; Western San Gabriel Mtns., hill slopes c. 0.8 mi. NE of old La Liebre Ranch, 0-0.3 mi. south of Hwy 138 970 Comment
  CAS-BOT-BC182850  Astragalus douglasii Carl Epling; Nesta Dunn; Alice Goen 1931-5-16 s.n. Los Angeles San Gabriel Mts., [Swartout] Swarthout Valley Comment
  RSA730067  Astragalus douglasii R. G. Swinney 1999-5-8 7137 Los Angeles San Gabriel Mtns.: Pinon Hills, Boneyard Canyon near spring not shown on topo, very near LA Co. line. 1463 Comment
  UCR187216  Astragalus douglasii A. C. Sanders 2006-4-25 32186 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  RSA415480  Astragalus douglasii var. douglasii B. C. Templeton 1932-5-31 4845 Los Angeles Slope near Big Pines Camp 2066 Comment
  RSA634219  Astragalus douglasii var. douglasii R. F. Thorne 1969-7-9 38553 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station. 2134 Comment
  SBBG117039  Astragalus gambelianus S. A. Junak 2001-5-4 SCa 1489 Los Angeles SE of Parson's Landing 121 Comment
  RSA533466  Astragalus gambelianus T. S. Ross 1991-4-21 4556 Los Angeles Whittier Hills (Puente Hills, pro parte), ridgetop between Turnbull and Sycamore Canyons. 320 Comment
  UC130906  Astragalus lentiginosus var. albifolius Katharine Brandegee May 1909 Los Angeles Lancaster Comment
  LA205273  Astragalus lentiginosus var. fremontii Carl Epling; May 1927 Los Angeles Ridge Route near Summit Comment
  UC1215121  Astragalus miguelensis Peter H. Raven 1962-7-11 18012 Los Angeles Wilson Cove San Clemente Island, Wilson Cove (on open grassy slopes, San Clemente Island) 60 Comment
  SBBG128192  Astragalus nevinii M. G. Simpson, A. Russell, J. Dunn, D. Pivorunas 2000-7-19 2185 Los Angeles ca. 0.1 mi SW from the end of rd that runs S from Eel Point 27 Comment
  RSA557854  Astragalus preussii var. laxiflorus D. Charlton 1992-5-13 s.n. Los Angeles 100 yards north of the South Base well fields water tower, Edwards AFB 701 Comment
  CAS-BOT-BC193084  Astragalus pycnostachyus var. lanosissimus S. B. Parish; W. F. Parish 1881-10-1 1117 Los Angeles Ballona Rch. Comment
  CAS-BOT-BC194002  Astragalus trichopodus var. lonchus Grant 1900-3-28 2361 Los Angeles Avalon, Sta. Catalina Is. Comment
  RSA592369  Astragalus trichopodus var. lonchus Mark Hoefs 1973-3-13 77 Los Angeles Santa Catalina Island. Upper Avalon Canyon below Memorial Garden. 168 Comment
  RSA415731  Astragalus trichopodus var. lonchus M. B. Dunkle 1933-4-19 3328 Los Angeles Palos Verde Hills. Comment
  LA33945  Astragalus trichopodus var. phoxus Peter H. Raven; 1959-5-11 14225 Los Angeles Santa Monica Mountains, Topanga Canyon 152 Comment
  SBBG68410  Astragalus trichopodus var. phoxus R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UCR13463  Atriplex californica O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  RSA65361  Atriplex canescens F. W. Peirson 1921-11-11 2598 Los Angeles Lower Bouquet Canyon. Comment
  RSA3701  Atriplex coulteri C. B. Wolf 1932-5-11 3548 Los Angeles Hillside W. of Isthmus harbor. Santa Catalina Island. 15 Comment
  CAS-BOT-BC26321  Atriplex johnstonii Carl B. Wolf 1930-12-23 1821 Los Angeles at Playa del Rey. Upper Sonoran Zone. 30 Comment
  UC850830  Atriplex nummularia Edith A. Purer 1935-5-11 6586 Los Angeles sandy hillside Playa del Rey Comment
  UCR47944  Atriplex nummularia D. L. Koutnik 1978-3-30 s.n. Los Angeles Dockweiler Beach south of Ballona Creek 15 Comment
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May 28 2014
  CATA1895  Atriplex pacifica Denise Knapp, Lauren K. Danner 2006-8-24 Los Angeles Santa Catalina Island: Bulrush Canyon, southeast of Camp Cactus Road, southwest of Hack Tower Ridge Road 207 Comment
  CATA1411  Atriplex prostrata Mark L. Hoefs, Steven A. Junak, Janet Takara, Keri Kirkland 1995-11-10 2562 Los Angeles Santa Catalina Island: Cherry Valley, just back from rocky beach 3 Comment
  CLARK-A1528-2505  Atriplex semibaccata John C. Roos 1942-9-5 1725 Los Angeles Los Angeles Comment
  RSA422253  Atriplex serenana Anstruther Davidson 1900-07 2941 Los Angeles City streets, Los Angeles. Comment
  RSA478428  Atriplex serenana L. C. Wheeler 1932-9-4 1315 Los Angeles La Verne, Palomares St. between D and E Streets. 305 Comment
  CDA23334  Atriplex triangularis T. C. Fuller 1963-10-9 11363 Los Angeles West bank of the San Gabriel River at 7th Street bridge, Long Beach. 0 Comment
  RSA0097781  Avena barbata R. G. Swinney 2011-4-26 14520 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
  RSA593770  Avena barbata Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8561 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
  RSA674242  Avena barbata LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 694 Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 783 Comment
  SFV21005  Avena barbata L. Gross 2003-3-9 787 Los Angeles San Rafael Hills Southwest side of San Rafael Hills, at or near top of east-west trending ridge southwest of Flint Peak. Entered at west end at Mount Carmel Drive east of Highway 2 (Glendale Freeway) between Chevy Chase Drive (Sycamore Canyon) to the north and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  UCR51523  Avena barbata A. C. Sanders 1987-12-4 7575 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  RSA675878  Avena fatua LeRoy Gross 2003-3-23 815 Los Angeles Housing tract known as Sunhill Estates, on the south bluff overlooking the Big Tujunga Wash, in the city of Sunland. 335 Comment
  RSA86729  Avena fatua F. W. Peirson 1918-04 1599 Los Angeles At 1085 New York Drive, Altadena Comment
  SEINET14287539  Avena fatua C. F. Shutts 1949-3-14 29 Los Angeles Orange grove and excavation 1 mile west of Claremont. Comment
  LA82503  Avena fatua O. H. Kappler; 1941-4-10 198 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon Comment
  SEINET5336154  Avena fatua W. B. Charles 1950-4-10 12 Los Angeles collected at 2880 Benedict Canyon Drive, Beverly Hills 244 Comment
  UCR109011  Azolla filiculoides L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Soledad Canyon, Santa Clara River 530 Comment
  RSA694976  Azolla filiculoides Geo L. Moxley 1916-8-17 s.n. Los Angeles L.A. riverbed near Broadway Bridge Comment
  CAS-BOT-BC168648  Baccharis douglasii A. C. Sanders 2003-8-6 27116 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  CAS-BOT-BC98728  Baccharis douglasii LeRoy Abrams 1903-8-26 2976 Los Angeles Ballona Creek, near Mesmer Comment
  CHSC55840  Baccharis emoryi L. P. Janeway 1988-7-24 3162 Los Angeles Puente Hills, between Whittier and La Puente. Low in Arroyo San Miguel. 175 Comment
  SD85097  Baccharis glutinosa E. R. Blakley 1961-9-24 4775 Los Angeles Santa Catalina Island: canyon upstream from Ben Weston Ranch 14 Comment
  RSA199027  Baccharis salicifolia W. M. Gauntt 1966-4-16 154 Los Angeles at jct. with San Gabriel Canyon Road 914 Comment
  SBBG63301  Baccharis salicifolia M. N. Ackley -Jul-1927 185 Los Angeles Eagle Rock 243 Comment
  CAS-BOT-BC75746  Berberis nevinii Carl B. Wolf 1927-7-27 682 Los Angeles About one-half mile south of San Fernando. Comment
  JEPS47756  Berberis nevinii Margaret Stason March 1927 Los Angeles Pacoima Wash; San Fernando Valley Comment
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Apr 7 2008
  RSA618690  Berula erecta LeRoy Gross 1998-9-20 72 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland 365 Comment
  UCD129563  Bidens pilosa A. M. Johnson 1934-10-3 4536 Los Angeles along Selby Avenue, between Le Conte and Wilshire Blvd., West Los Angeles. Comment
  RSA367451  Bloomeria crocea var. crocea Anstruther Davidson 1908-7-7 3102 Los Angeles Topanga Comment
  RSA601053  Bloomeria crocea var. montana Steve Boyd, Lauren Raz 1997-6-18 9973 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA0125879  Boechera Steve Boyd, Lauren Raz 1997-6-17 9949 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit. 1597 Comment
  POM567  Boechera californica I. M. Johnston 1918-4-4 1973 Los Angeles San Antonio Canyon Wash. 366 Comment
  RSA611105  Boechera californica L. C. Wheeler 1970-6-28 s.n. Los Angeles Little Fish Fork, Fish Fork Camp 2011 Comment
  POM346633  Boechera californica Barry Burnell 1969-5-22 143 Los Angeles San Antonio Canyon just below the narrows below Camp Baldy. San Antonio Creek Drainage Area. 1067 Comment
  UCSB46470  Boechera pulchra Chieffo, Scott 1983-5-19 Los Angeles Near Hungry Valley Road offramp; north of Interstate 5 914 Comment
  SD252231  Bothriochloa barbinodis Steven A. Junak 1999-7-15 Sca 1023 Los Angeles Santa Catalina Island. Immediately inland from Salta Verde Beach, on slump or landslide area. 6 Comment
  SBBG131582  Bowlesia incana S. A. Junak 2000-4-15 SCa 1211 Los Angeles ridgeline between 2 cyns (one on E side of rd, one on W side), 0.4 mi from Divide Rd, location of bird transect #1 457 Comment
  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
  SBBG17794  Brassica geniculata P. H. Raven 1962-5-9 17660 Los Angeles near observation point on slope overlooking Pyramid Cove 167 Comment
  RSA0066328  Brassica nigra K. Dobry 1991-5-22 d- 657 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  RSA482926  Brassica rapa Robert M. Perkins 1935-3-20 s.n. Los Angeles Los Angeles. Comment
  UCR152467  Brassica tournefortii A. C. Sanders, Lee Jones 2005-4-8 29324 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR269246  Brassica tournefortii Erika M. Gardner, LeRoy Gross, Nancy Hamlett 2012-3-8 03 Los Angeles City of Claremont, Bernard Field Station, at the south entrance gate. Found on the south side of the fence near Foothill Blvd and along the southwest border of the station along Dartmouth Ave. 398 Comment
  CAS-BOT-BC100435  Brickellia californica Carl B. Wolf 1932-10-4 4225 Los Angeles Santa Catalina Island. Avalon. Above the Amphitheatre 30 Comment
  POM58247  Brickellia californica C. F. Baker 1903-8-2 3696 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA653360  Brickellia californica LeRoy Gross 2000-10-28 298 Los Angeles Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale. Following the fire break up to main crest (to Beaudry fire road) 304 Comment
  SFV17932  Brickellia californica J. N. Hogue 1998-10-13 129 .3 Los Angeles San Gabriel Mountains San Gabriel Canyon. West side of San Gabriel reservoir along road. 470 Comment
  CAS-BOT-BC106128  Brickellia nevinii Joseph Andorfer Ewan 1937-8-15 10958 Los Angeles Jct. West Fork with No. Fork San Gabriel River - San Gabriel Mts. 609 Comment
  SBBG66106  Brickellia nevinii S. W. Hutchinson, M. N. Ackley 1927-1 172 Los Angeles Mint Cyn 457 Comment
  UC571020  Brickellia nevinii Frank W. Peirson 1924-12-5 5382 Los Angeles Head of Eaton Canyon, s face of San Gabriel Peak, San Gabriel Mountains San Gabriel Mountains, San Gabriel Peak, Eaton Canyon 1645 Comment
  POM296913A  Bromus Lyman Benson 1945-5-21 11723 Los Angeles Claremont: Indian Hill. Pacific Slope Drainage Area. 396 Comment
  SEINET13203243 Image available Bromus R. G. Swinney 2011-1 15491 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
  POM308936  Bromus carinatus var. carinatus Kay H. Beach 1943-7-30 704 Los Angeles Monroe Canyon bottom station no. 13, San Dimas Experimental Forest. U.S. Forest Dept. Comment
  RSA762160  Bromus carinatus var. carinatus Orlando Mistretta, Christine Mistretta 2008-5-20 3163 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 6, structure 97and 98 per TRTP Survey 2008), Rincon Red Box Rd, NE ridge of Monrovia Pk., Separating W Fork San Gabriel River and Fish Canyon. 1473 Comment
  RSA0093470  Bromus carinatus var. marginatus Richard G. Swinney 2011-6-7 15065 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy.2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek. 1573 Comment
  POM364003  Bromus catharticus Bruce M. Crawford 1932-4-16 s.n. Los Angeles Los Angeles outskirts. Comment
  CAS-BOT-BC156111  Bromus diandrus Le Roy Abrams 1902-5-31 2483 Los Angeles Ingelwood. Comment
  CATA863  Bromus diandrus Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1672 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  SEINET3922247  Bromus diandrus Louis C. Wheeler 1967-5-3 9802 Los Angeles San GABRIEL MOUNTAINS: Sycamore Flat Campground, Big Rock Creek.; 0 1311 Comment
  POM1258  Bromus grandis Le Roy Abrams 1902-7-2 2632 Los Angeles Little Santa Anita Canyon, Sierra Madre [San Gabriel Mountains.] Comment
  RSA714680  Bromus grandis A. C. Sanders, Mark A. Elvin 2003-6-18 26960 Los Angeles Western Transverse Range: private dirt road along crest of range, above Salt Canyon 976 Comment
  SEINET3289855 Image available Bromus grandis M. W. Denslow, LeRoy Gross 2003-5-12 1146 Los Angeles Transverse Ranges; San gabriel Mountains regions: West Fork of San Gabriel River, along Rincon Red Box Road (2N24.1) at lower end of hair pin turn. 1036 Comment
  LA13772  Bromus hordeaceus Robert G. Engman; Los Angeles SANTA MONICA MOUNTAINS, UCLA campus. 121 Comment
  LA13778  Bromus hordeaceus A. M. Johnson; 1933-4-18 4197 Los Angeles Botanical Garden, University of California, Los Angeles Comment
  RSA258392  Bromus hordeaceus C. W. Tilforth 1972-4-13 476 Los Angeles Rancho Santa Ana Botanic Garden. [Claremont] 412 Comment
  SD253333  Bromus madritensis subsp. rubens R. G. Swinney 2011-3-26 14221 Los Angeles San Gabriel Mountains: San Dimas Experminetal Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon (Glendora 7.5'Q) 476 Comment
  LA105382  Bromus pseudolaevipes Barry A. Prigge; 1989-4-23 8490 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 429 Comment
  RSA639973  Bromus rubens L. C. Wheeler 1967-5-29 9766 Los Angeles San Antonio Canyon, southwest of Spring Hill, between Dry Lake Canyon and Wildcat [Cat] Canyon. 884 Comment
  UCR137458  Bromus trinii L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns, Foothills of the mountains: 2 mi NE of Vincent 991 Comment
  UC2029944  Calandrinia breweri Valerie Soza, LeRoy Gross 2001-4-24 1173 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire Area, above Santa Anita Canyon, ca. 0.5mile WNW of the Santa Anita Dam. Comment
  RSA717414  Calandrinia ciliata Gary Kovnat, LeRoy Gross 2003-1-19 2 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace mid meadow. Comment
  RSA466536  Calandrinia ciliata L. C. Wheeler 1934-3-29 2484 Los Angeles Sepulveda Canyon, Santa Monica Mountains. 183 Comment
  RSA608644  Calandrinia ciliata L. C. Wheeler 1931-3-8 s.n. Los Angeles Fischer s, [Vicinity of Claremont]. Comment
  UCR210132  Calocedrus decurrens R. G. Swinney 2008-8-13 9379 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UC714933  Calochortus albus R. C. Foster 1937-6-6 344 Los Angeles n of Claremont (foothills of San Gabriel Mts.); San Gabriel Mts., Cobal Canyon Comment
  CAS-BOT-BC487469  Calochortus albus H. E. Hasse 1900-5-1 s.n. Los Angeles Santa Monica, Las Tunas Canon 500 Comment
  LA22334  Calochortus catalinae Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA377283  Calochortus catalinae F. R. Fosberg 1931-4-22 S 4667 Los Angeles Santa Catalina Island: Eagles Nest. Middle Ranch Canyon. 200 Comment
  SBBG108131  Calochortus catalinae S. L. Crockett, S. Schueller 1997-3-8 560 Los Angeles point overlooking Cottonwood beach, ca. 25 m W of rd 79 Comment
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Sep 10 2007
  UC648349  Calochortus catalinae Marion Ownbey and Ruth P. Ownbey 1938-6-27 1667 Los Angeles mouth of Los Alisos Canyon Santa Monica Mountains, Los Alisos Canyon Comment
  RSA377325  Calochortus clavatus var. clavatus A. W. Howard 1926-5-10 s.n. Los Angeles Newhall Comment
  RSA680200  Calochortus invenustus Valerie Soza, Sarah J. De Groot 2003-6-11 1655 Los Angeles San Gabriel Mountains: Praire Fork, southeast of Cabin Flat. 1799 Comment
  UCR179298  Calochortus plummerae R. G. Swinney 1969-6-12 554 Los Angeles San Gabriel Mtns., Glendora, 0.6 mi north of Sierra Madre Ave., north of Pennsylvania Ave. 366 Comment
  SEINET3885350  Calochortus splendens Keith Dobry 1991-6-28 D 883 Los Angeles Santa Monica Mts. Las Virgenes & Mullholland Hwy. At Soka Univ. E section.; 0 Comment
  SFV21850  Calochortus splendens J. D. Dilley 1997-5-2 s. n. Los Angeles Santa Monica Mountains Mulholland Highway, 0.3 miles west of Cold Canyon Road. 275 Comment
  RSA627541  Calochortus venustus Sandy Leatherman, Scott D. White 1998-5-15 8 Los Angeles Western Liebre Mountains. West of Castaic Lake and east of Interstate 5. 610 Comment
  RSA0040379  Calyptridium monandrum R. G. Swinney 2010-5-11 12662 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
  RSA0091734  Calyptridium monandrum R. G. Swinney 2011-5-12 14665 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  UCR270897  Calyptridium monandrum R. G. Swinney 2011-4-20 14430 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  RSA545338  Calystegia macrostegia subsp. amplissima T. S. Ross 1992-4-14 6178 Los Angeles San Clemente Island: central E side of island; stabilized slope above rutted Nanny Canyon drainage channel, 87 deg. S and ca 280m distant from where drainage meets the sea. 76 Comment
  SBBG31554  Calystegia macrostegia subsp. amplissima R. M. Beauchamp 1967-3-18 317 Los Angeles W of Wilson Cove Comment
  RSA191044  Calystegia macrostegia subsp. arida James Henrickson 1963-5-5 32295 Los Angeles About 4 miles N of Claremont. Burned-over, rocky, open slopes of Cobal Canyon, Foothills of San Gabriel Mts., 518 Comment
  SEINET13203236 Image available Calystegia macrostegia subsp. arida R. G. Swinney 2011-1 14155 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5' Q.) (T1N R9W S28) 366 Comment
  UC1871229  Calystegia macrostegia subsp. intermedia T. S. Ross, Walter Appleby 1993-5-19 7177 Los Angeles Transverse Ranges: San Gabriel Mtns region; Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle; San Fernando 7.5' USGS quad; R15W T3N, NE/4 SW/4 SW/4 NW/4 sect. 15; ca 2,640 ft. elevation. 804 Comment
  RSA592499  Calystegia macrostegia subsp. macrostegia Mark Hoefs, Doug Propst 1973-3-14 120 Los Angeles Santa Catalina Island; near upper White's Landing Road. 152 Comment
  LA204761  Calystegia occidentalis subsp. fulcrata D. Bradbury; Gloria Bradbury 1970-7-17 345 Los Angeles San Gabriel Mountains, Angeles National Forest, Angeles Crest Highway Comment
  RSA422169  Calystegia occidentalis subsp. fulcrata Robert Gustafson 1978-6-1 972 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  RSA574329  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1994-6-20 2955 Los Angeles South Fork Lytle Creek 1000 Comment
  SBBG126949  Calystegia peirsonii A. Parikh, N. Gale 2011-6-6 3420 Los Angeles 5 km W of St Hwy 14, 1.6 km SW of California Aqueduct; Sierra Pelona, Liebre Mtns 1063 Comment
  RSA465666  Camissonia bistorta Tom Burch 1940-4-21 s.n. Los Angeles Bouquet Canyon, near Saugus. 610 Comment
  RSA578299  Camissonia bistorta Tim S. Ross, Steve D. Boyd 1994-5-4 7618 Los Angeles Liebre Mountains, San Francisquito Canyon: headwaters of the canyon, NE of Green Valley; ca 600m SW of summit of grade; ca 2460 m ESE of Grass Mountain summit 1055 Comment
  RSA599777  Camissonia bistorta Steve Boyd, Lauren Raz 1997-3-25 9271 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
  UCR261349  Camissonia bistorta R. G. Swinney 2010-6-29 13385 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake 308 Comment
  HSC16411  Camissonia bistorta Jack Rockwell 1962-4-18 65 Los Angeles 2 mi. E of Playa Del Rey off of Manchester Blvd. Comment
  SEINET1907235  Camissonia boothii A. C. Sanders 2003-1 26994 Los Angeles Western Transverse Range/Santa Clara River Watershed: ''Off-haul Canyon'' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur. 305 Comment
  UCR190736  Camissonia boothii R. G. Swinney 2001-5-17 7949 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, south end of Bobs Gap, west-facing slope at junction of Panorama and Bobs Gap roads 1244 Comment
  RSA465984  Camissonia boothii subsp. decorticans Anstruther Davidson 1906-6-6 1605 Los Angeles Big Rock Creek. Comment
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Jan 6 2007
  RSA466144  Camissonia californica Fay A. MacFadden 1931-3-28 36 Los Angeles Verdugo Mountains, La Tuna Canyon Comment
  RSA466159  Camissonia californica Christopher Davidson 1973-4-6 1867 Los Angeles Malibu Canyon, Tapia Park. 243 Comment
  JEPS33758  Camissonia campestris W. L. Jepson 1935-4-17 17035 Los Angeles Lancaster w. Mohave Desert 716 Comment
  RSA570282  Camissonia campestris subsp. campestris Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4958 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  UC1594367  Camissonia confusa Tim Ross 1992-5-17 6337 Los Angeles center w side of the San Gabriel Reservoir San Gabriel Mountains (short easterly spur canyon along Hwy 39) 463 Comment
  RSA617408  Camissonia graciliflora Scott D. White, Sandy Leatherman 1998-5-19 6524 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 Freeway/ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  RSA755927  Camissonia graciliflora Orlando Mistretta, Christine Mistretta 2008-4-10 2410 a Los Angeles Ritter Ridge, SW of Quartz Hill. Along SCE transmission lines just S. of California Aqueduct. (Segment 5, structure 17 per TRTP survey - 2008) 919 Comment
  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
  RSA597040  Camissonia hirtella Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3840 Los Angeles Easterly and southeasterly slopes to the SW of Crystal Lake. 1726 Comment
  UCR191713  Camissonia hirtella A. C. Sanders 2008-4-18 34953 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 959 Comment
  RSA678251  Camissonia ignota Valerie L. Soza, Steve D. Boyd 2002-4-10 1393 Los Angeles Ridge above east fork of Haskell Canyon, ridge just west of Del Sur Ridge. Approx. 2 miles NW along Coarse Gold Canyon fire road from Bouquet Canyon. Stables Fire 2001 area. 640 Comment
  RSA724758  Camissonia micrantha K. Dobry 1991-3-16 d- 806 Los Angeles Santa Monica Mts. Lower Cold Creek Cyn. Montifisher Property. Comment
  RSA587463  Camissonia strigulosa Orlando Mistretta 1995-4-11 1620 Los Angeles San Gabriel Mountains. Santiago Canyon. Canyon and slopes draining W slopes of Santiago canyon ca. 1 mi. SW of confluence with Little Rock Creek. 1113 Comment
  SD186261  Camissoniopsis bistorta A. C. Sanders, Andy Thompson 2003-4-15 26017 Los Angeles Newhall Ranch, 500 ft. south of Magic Mountain theme park. 351 Comment
  SD87814  Camissoniopsis hirtella F. W. Peirson 1919-5-10 4698 Los Angeles San Gabriel Mountains. 914 Comment
  SD113992  Camissoniopsis hirtella Darley F. Howe 1976-6-1 4918 Los Angeles South side of Little Sycamore Canyon. 487 Comment
  SD39520  Camissoniopsis hirtella Edith A. Purer 1935-5-11 6590 Los Angeles Santa Monica Mountains Comment
  UC1871153  Camissoniopsis ignota T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4924 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
  LA46738  Camissoniopsis intermedia Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  UCD103582  Camissoniopsis pallida Daryl Koutnik; Bruce Holguin 1978-4-1 208 Los Angeles Sierra Pelona Valley, W side of Anthony Road and N of Sierra Highway. 890 Comment
  UCSB7097  Cardamine californica Gill, Robert 1960-2-17 Los Angeles Little Dalton Canyon, San Gabriel Mt. range; Pacific slope drainage area 426 Comment
  RSA723070  Carduus pycnocephalus LeRoy Gross 2007-5-16 2738 Los Angeles Southern side of the range: Near debris basin by Bel Aire Park. Northeast of the intersection of Bel Aire Drive and Cambridge Drive. Near 273 Comment
  RSA654593  Carduus pycnocephalus Scott Lowe 1991-5-12 33 Los Angeles San Gabriel River channel, about 400 m. north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  UC1584732  Carduus pycnocephalus subsp. pycnocephalus Tim Ross and Annette Ross 1991-6-3 5513 Los Angeles w Pomona (Elephant Hill); Elephant Hill Comment
  RSA0091347  Carex alma R. G. Swinney 2011-5-12 14707 Los Angeles San Gabriel Mountains: along Cabin Canyon Creek near the confluence with Aliso Cyn. 1195 Comment
  RSA678240  Carex alma Valerie Soza, Steve Boyd 2002-4-10 1405 Los Angeles Haskell Canyon, Del Sur Ridge. Stables Fire 2001 area. 518 Comment
  UCR205093  Carex alma R. G. Swinney 2008-4-11 8649 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  SEINET7549359 Image available Carex alma Orlando Mistretta 1995-4-11 1619 Los Angeles San Gabriel Mountains, Santiago Canyon, Canyon and slopes draining W. slopes of Santiago Canyon ca. 1 mi. SW of confluence with Little Rock Creek. Pacifico Mtn. 7.5' USGS topographic quadrangle. 1097 Comment
  UCR147800  Carex bolanderi Valerie Soza, LeRoy Gross 2000-6-13 996 Los Angeles San Gabriel Mountains, Spring along Burkhart Trail (FS trail 10W02), from Buckhorn Flat to Cooper Canyon, c. 0.8 mi along trail from Buckhorn Flat trailhead 1845 Comment
  SBBG119322  Carex densa V. Soza with S. Boyd 2002-4-10 1405 Los Angeles Haskell Cyn, Del Sur Ridge, Stables Fire 2001 area; T5N R15W S19, SW/4, SE/4 518 Comment
  RSA0022829  Carex hassei Duncan S. Bell, Caitlin Elam 2013-8-1 5556 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; Columbine Spring. 2174 Comment
  RSA229080  Carex heteroneura var. heteroneura Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38894 Los Angeles 1.3 mi SE of Dawson Saddle 2332 Comment
  RSA191375  Carex multicaulis Robert F. Thorne 1967-7-19 37148 Los Angeles Angeles National Forest: Crystal Lake Recreation area, just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1555 Comment
  POM155896  Carex praegracilis Phillip A. Munz, L. T. Street, G. Williams 1919-3-15 2411 Los Angeles Pomona. Creek in South Hills, Comment
  UCR204882  Carex praegracilis R. G. Swinney 2005-8-9 8410 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  CAS-BOT-BC118404  Carex praegracilis Fay A. Mac Fadden 1934-3-20 12525 Los Angeles Culver City Marshland. Comment
  RSA0013640  Carex schottii Orlando Mistretta, Youssef Atallah 2011-8-16 6039 Los Angeles Aliso Canyon near junction of Aliso Canyon Road and Angeles Forest Highway. 1259 Comment
  SEINET7574462 Image available Carex schottii Robert F. Thorne 1969-7-2 38346 Los Angeles San Gabriel Mts, Angeles National Forest, meadow at Big Pines. 2088 Comment
  UC1133504  Carex triquetra Jerome S. Horton 1936-4-28 311 Los Angeles n end San Dimas Reservoir; Pomona Quadrangle, San Dimas watershed Comment
  RSA90853  Carex triquetra Joseph A. Ewan 1930-4-10 2368 Los Angeles Canyon Mulholland Drive west of Beverly Glen, Santa Monica Mountains. Comment
  SEINET10625715  Carica papaya Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3769 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  SD124849  Carissa grandiflora A. C. Sanders 1986-7-30 6836 Los Angeles El Segundo Dunes, immediately west of Los Angeles International Airportand Pershing Dr., east of Vista Del Mar Blvd. 29 Comment
  UCR152548  Carissa grandiflora A. C. Sanders, Lee Jones 2005-4-8 29349 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA425916  Castilleja affinis Richard C. Barkelew 1929-4-17 s.n. Los Angeles Mulholland Highlands, Los Angeles Comment
  RSA425905  Castilleja affinis subsp. affinis Edwin Kline 1923-4-2 s.n. Los Angeles San Gabriel Canyon. Comment
  UCR175044  Castilleja applegatei Holly Summers 2006-6-4 s.n. Los Angeles San Gabriel Mountains, 2 miles north of Foothill Blvd. on Angeles Crest Highway (Hwy 2), near Brown Canyon 701 Comment
  POM308416  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1937-7-18 3104 Los Angeles Soldier's Creek, San Gabriel Mountains 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
  RSA659800  Castilleja applegatei subsp. martinii Brian McColgan 1988-5-16 18 Los Angeles 1 mile N of Padua on Mt. Blady Rd. 1067 Comment
  CATA389  Castilleja exserta Mark L. Hoefs 1974-5-2 455 Los Angeles Santa Catalina Island: Above Parsons' Landing 60 Comment
  UCR155369  Castilleja exserta A. C. Sanders 2005-5-11 30125 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on north side of canyon 573 Comment
  UCR192201  Castilleja exserta A. C. Sanders 2008-4-16 34896 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, hills c. 1.25 mi. NE of Quail Lake, c. 0.7 mile north of Hwy 138 1000 Comment
  LA51890  Castilleja exserta subsp. exserta Carl Epling; 1925-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA80235  Castilleja exserta subsp. exserta F. W. Peirson 1917-5-13 1163 Los Angeles Little Rock, north base of San Gabriel Mts. Comment
  UCSB6126  Castilleja exserta subsp. exserta Haller, John 1958-4-11 Los Angeles 0.2 miles North of Palmdale's northern city limit; 3.0 miles S of Avenue M (Lancaster); Los Angeles 6 Comment
  RSA0044703  Castilleja foliolosa Valerie L. Soza, Steve D. Boyd, Leland Lubinsky 2000-6-29 1046 Los Angeles Liebre Mountains: Knapp (Kelly) Ranch, Upper Cienega Canyon, off FS Road 7N22.1 976 Comment
  RSA624467  Castilleja foliolosa Louis C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  JEPS89143  Castilleja gleasoni Hiller and Derby 1982-6-4 Los Angeles Bee Tree N. Trail, Chilao Flats; Chilao Flats Comment
  UCR38797  Castilleja gleasoni T. P. Krantz 1980-7-15 s.n. Los Angeles San Gabriel Mtns., Upper Chilao Flats Comment
  SBBG118771  Castilleja subinclusa subsp. subinclusa L. Gross with P. Morton 2004-6-10 1378 Los Angeles E end of the main crest; Rd 7N23, E to W from jct with Atmore Meadows Rd (7N19) along Sawmill Mtn to Burnt Pk Rd (7N23A): T7N R16W S8,9,16,15 1590 Comment
  SD197723  Caulanthus amplexicaulis R. G. Swinney 2008-5-5 8756 Los Angeles San Gabriel Mountains; Big Rock Creek at Paradise Springs. 1000 Comment
  RSA776482  Caulanthus amplexicaulis var. amplexicaulis Jane Tirrell, Graham Bothwell 2011-7-25 LS- 34 Los Angeles On crest of ridge, approximately 0.5 mile east of Windy Gap. 2434 Comment
  UCR280779  Caulanthus cooperi R. G. Swinney 2014-4-30 16279 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  SEINET3148269  Caulanthus lasiophyllus G. B. Grant 1288 Los Angeles Garvanza Comment
  RSA0028431  Ceanothus Jerry Davids 1949-1-2 s.n. Los Angeles 455 22nd St. Santa Monica. 107 Comment
  CAS-BOT-BC47919  Ceanothus arboreus Mrs. Frank 1896-3-22 s.n. Los Angeles Santa Catalina Island Comment
  PASA1637  Ceanothus cordulatus Margaret Stason 1931-6-13 Los Angeles Buckhorn Flats, San Gabriel Mts. Comment
  POM136654  Ceanothus crassifolius C. F. Baker 1904-2-17 4062 Los Angeles San Antonio Canyon. Comment
  POM305312  Ceanothus crassifolius Henry J. Ramsey 1937-3-22 632 Los Angeles Sunland Comment
  UCR95406  Ceanothus crassifolius L. C. Wheeler 1967-5-2 9275 Los Angeles Liebre Mtns, N side foothills, c. 0.3 mi. west of Los Angeles Aqueduct, just south of San Clarito Hospital. 'Baker Ranch' on Los Angeles Co. firearms closure map 396 Comment
  UCR191699  Ceanothus greggii A. C. Sanders 2008-4-23 35090 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1140 Comment
  UC205367  Ceanothus greggii var. vestitus I. M. Johnston 1917-8-24 1668 Los Angeles upper part of N. Fork Sythe Creek San Antonio Mts. 2057 Comment
  LA52231  Ceanothus integerrimus Sharon Johnston; 1957-3-3 M- 300 Los Angeles Tuna Canyon 1/2 mi from US 101 30 Comment
  RSA95403  Ceanothus integerrimus F. W. Peirson 1919-6-14 729 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1707 Comment
  CAS-BOT-BC50529  Ceanothus leucodermis John H. Thomas 1957-3-7 6493 Los Angeles South slope of San Gabriel Mts., near State Highway #2, angeles Crest Highway, about 3.5 miles north of La Canada. 914 Comment
  RSA550441  Ceanothus leucodermis Tim S. Ross 1992-7-10 6640 Los Angeles San Gabriel Mountains; Big Tujunga Canyon, 310m E of where Coldwater Canyon meets Big Tujunga Creek. Disturbed chaparral just S of creek, E side of the road to Colby Ranch. 973 Comment
  RSA607918  Ceanothus leucodermis Louis C. Wheeler 1961-6-13 7870 Los Angeles San Gabriel Mountains: Pacoima Canyon at Bad Canyon 1098 Comment
  POM305749  Ceanothus leucodermis Henry J. Ramsey, Henry J. Ramsey 1937-6-27 944 Los Angeles Pine Canyon, north of Pacoima Reservoir, Angeles National Forest. Comment
  LA52217  Ceanothus megacarpus Robert Fowler; 1935-2-8 4544 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Sepulveda Canyon. 152 Comment
  RSA190975  Ceanothus megacarpus var. insularis Robert F. Thorne, Reed Rolins, Doug Propst, R. Carolin 1967-3-18 36740 Los Angeles Santa Catalina Island. Wild Boar Gully, ca. 1 mi. WNW of Salta Verde Point 198 Comment
  LA43644  Ceanothus oliganthus O. A. Plunkett; 1926-3-6 sn Los Angeles San Gabriel Mountains, Santa Anita Canyon Comment
  UCD112295  Ceanothus oliganthus Kenneth A. Wilson 1961-2-18 859 Los Angeles Santa Monica Mtns. Mulholland Hwy. 2 miles west of Semiole Hot Springs. Comment
  POM310390  Ceanothus oliganthus var. oliganthus Margaret Hardinge 1946-3-11 143 Los Angeles Big Dalton Canyon. 457 Comment
  RSA276021  Ceanothus oliganthus var. oliganthus Jack Delaini 1974-4-5 111 Los Angeles San Gabriel Mountains: Lodi Canyon, San Dimas Experimental Forest, Angeles National forest. 366 Comment
  RSA399738  Ceanothus oliganthus var. oliganthus W. Hutchinson 1921-04 s.n. Los Angeles Bouquet Canyon. Comment
  UC18375  Ceanothus oliganthus var. oliganthus A. J. McClatchie 1893-4-1 19 Los Angeles Canyon near Pasadena Comment
  RSA630267  Ceanothus spinosus LeRoy Gross 1999-2-20 112 Los Angeles Santa Monica Mountains: Along the Will Rogers backbone trail. 610 Comment
  RSA650468  Ceanothus spinosus George Maruko 1948-2-23 s.n. Los Angeles South slope above golf course, Griffeth Park, Los Angeles. 213 Comment
  SEINET12209976  Ceanothus spinosus I. W. Clokey, Templeton, B. 1929-1 4438 Los Angeles Mandeville Canyon, Santa Monica Mountains 250 Comment
  CAS-BOT-BC277004  Centaurea diluta Grace Cole Fleischman 1952-6-9 s.n. Los Angeles At intersection of Antwerp & Imperial Aves., Watts, Los Angeles Comment
  POM155577  Centaurea melitensis M. B. Dunkle 1928-4-11 1845 Los Angeles Emerald Bay, Santa Catalina Island. 30 Comment
  UCR259921  Centaurea melitensis R. G. Swinney 2010-4-28 12439 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  LA94405  Centaurea melitensis Norman A. Cole; May 1964 334 B Los Angeles SANTA MONICA MOUNTAINS, 2.9 mi from Pacific Coast Hwy along Rambla Pacifico. 335 Comment
  RSA550406  Centaurea melitensis Timothy S. Ross, Peter Fritsch 1990-6-20 3594 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  UCR210252  Centaurium exaltatum R. G. Swinney 2008-9-9 9440 Los Angeles San Gabriel Mtns., Big Rock Wash, 0.3 mi. north of junction of with Pallett Creek Rd. and Valyermo Rd. 1070 Comment
  RSA646088  Centaurium exaltatum Orlando Mistretta 1993-5-10 833 Los Angeles San Gabriel Mountains: Big Pines Highway. 1326 Comment
  SEINET8583386  Centaurium venustum G. B. Grant 1901-1 441 Los Angeles Oak Knoll, Pasadena. Comment
  UCR17493  Centranthus ruber Anna Mayers 1978-4-14 s.n. Los Angeles Hollywood Hills, Griffith Park off Bronson, City of Los Angeles Comment
  CAS-BOT-BC179821  Centrostegia thurberi Frank W. Peirson 1919-5-10 28 Los Angeles Arraster Creek, San Gabirel Mts. 914 Comment
  RSA567162  Centrostegia thurberi Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3898 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  RSA783169  Centrostegia thurberi Elizabeth A. Kempton, Eric Paul 2006-6-11 391 Los Angeles Roadside along N2, Ridge Road 1223 Comment
  RSA710804  Centrostegia thurberi LeRoy Gross 2005-5-3 2246 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
  RSA3602  Cercocarpus Carl B. Wolf 1932-5-13 3619 Los Angeles Above Hamilton Canyon, Catalina Island 244 Comment
  CATA1900  Cercocarpus betuloides Elizabeth Baniaga, Joseph Vickers, Ariella Markowitz, Leia Moyse, Makaela Ballard, Benjamin Carter 2012-8-3 Los Angeles Santa Catalina Island: City of Avalon, near base of Hermit Gulch Trail 121 Comment
  LA83697  Cercocarpus betuloides O. H. Kappler; 1946-5-30 1203 Los Angeles On road from Wrightwood to Palmdale 1798 Comment
  RSA187660  Cercocarpus betuloides var. blancheae Robert F. Thorne 1966-9-16 36721 Los Angeles Santa Catalina Island. Near terminus of Renton Mine Rd.; upper end of Pebbly Beach Canyon 274 Comment
  SBBG38721  Cercocarpus betuloides var. blancheae R. Moran 1941-3-13 703 Los Angeles Hermit Gulch, near Crk 50 Comment
  SDSU8983  Cercocarpus betuloides var. blancheae D. F. Howe 1953-5-2 2277 Los Angeles Wain Canyon, Santa Catalina Island. Comment
  RSA190890  Cercocarpus traskiae Robert F. Thorne 1967-5-18 36870 Los Angeles Wild Boar Gully, Santa Catalina Island. 183 Comment
  UCR258912  Chaenactis artemisiifolia R. G. Swinney 2010-4-23 12351 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  SBBG46704  Chaenactis fremontii Leota Davidson 1965-5-9 164 a Los Angeles E of Little Rock Comment
  IRVC27309  Chaenactis glabriuscula A. C. Sanders, Mark Elvin, et al. 2003-4-14 25950 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River NE end of Santa Susana Mtns. 351 Comment
  UCD130356  Chaenactis glabriuscula A. C. Sanders 2005-5-5 29870 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon. 518 Comment
  UCR277210  Chaenactis glabriuscula R. G. Swinney 2010-6-1 13174 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
  CAS-BOT-BC277326  Chaenactis glabriuscula var. glabriuscula Peter H. Raven; Henry J. Thompson 1959-6-4 14316 Los Angeles Santa Monica Mountains. Point Dume 45 Comment
  CAS-BOT-BC277346  Chaenactis glabriuscula var. glabriuscula F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  RSA16274  Chaenactis glabriuscula var. glabriuscula C. B. Wolf 1935-5-23 6995 Los Angeles Liebre Mts. 1/2 mile east of Gorman. 1159 Comment
  UC1871091  Chaenactis glabriuscula var. glabriuscula T. S. Ross, Walter Appleby 1993-5-20 7181 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle; San Fernando quad: R15W T3N, NE/4 SE/4 sect. 9; elev. ca. 3120 ft. 951 Comment
  RSA709683  Chaenactis glabriuscula var. glabriuscula LeRoy Gross 2005-4-28 2174 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. Than dropped off ridge into canyon bottom back to origin. 1235 Comment
  CAS-BOT-BC277516  Chaenactis glabriuscula var. lanosa G. B. Grant 1902-5-5 4932 Los Angeles Lincoln Park Comment
  CAS-BOT-BC277820  Chaenactis santolinoides Timothy S. Ross; Steve Boyd 1994-5-4 7687 Los Angeles Liebre Mountains. Upper South Portal Canyon: along forest service road which follows the canyon's SE slope; ca 770 m SW of Spruce Draw 1075 Comment
  UC481113  Chaenactis santolinoides Charlotte M. Wilder 1905-8-20 592 Los Angeles San Antonio Mt. 2590 Comment
  RSA763230  Chaenactis stevioides Justin M. Wood 2010-5-10 1567 Los Angeles Little Rock Creek: Downstream of Little Rock Reservoir, within 0.25 miles of the dam. 966 Comment
  UCSB6435  Chaenactis xantiana Haller, John 1960-5-23 Los Angeles At junction of California 138 and U.S. 99, east of Gorman 1127 Comment
  LA50651  Chamaesyce melanadenia Anonymous; 1951-3-15 sn Los Angeles SANTA MONICA MOUNTAINS, Bel Air Estates. Comment
  RSA704707  Chamaesyce serpens Gary D. Wallace, C. Black, D. Cohen, R. Lavenburg 1983-6-29 2087 Los Angeles Santa Catalina Island: Twin Harbors area Marine Station. Comment
  RSA0013240  Chamaesyce serpillifolia subsp. serpillifolia Orlando Mistretta, Christine Mistretta 2011-6-23 5750 Los Angeles Vicinity of Mt. Gleason. Former Los Angeles County Fire Camp 1.3 air miles E of Mt. Gleason summit. Area burned in Station Fire (2009). 1680 Comment
  RSA716886  Chamaesyce serpillifolia subsp. serpillifolia LeRoy Gross 2006-6-19 2521 Los Angeles Forest Service road survey: Santa Clara Divide. Along road (3N17.6) from North Fork Saddle Station east to near 34.37875, 118.23062. Comment
  RSA624055  Cheilanthes covillei L. C. Wheeler 1967-5-23 9709 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon 579 Comment
  POM892  Cheilanthes newberryi C. F. Baker 1904-5-6 4733 Los Angeles Hills near Pomona Comment
  RSA0116570  Chenopodium R. G. Swinney 2010-9-30 13931 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
  UCR277255  Chenopodium R. G. Swinney 2010-9-30 13931 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
  RSA258388  Chenopodium ambrosioides C. W. Tilforth 1972-6-7 569 Los Angeles [Unspecified] 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
  RSA802337  Chenopodium atrovirens Orlando Mistretta, Christine Mistretta 2011-7-6 5920 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  RSA0064058  Chenopodium berlandieri R. G. Swinney 2010-4-20 12306 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0080391  Chenopodium berlandieri R. G. Swinney 2010-3-24 12042 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR125400  Chenopodium berlandieri A. C. Sanders, Mark Elvin 2002-6-20 25231 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR61045  Chenopodium botrys R. G. Swinney 1989-6-30 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mtns, in and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. 'Owl Flats 488 Comment
  RSA478494  Chenopodium californicum F. R. Fosberg 1931-4-15 S 4621 Los Angeles Santa Catalina Island. Eagle s Nest, Middle Ranch Canyon. 180 Comment
  SBBG116992  Chenopodium californicum S. A. Junak 2001-5-4 SCa 1475 Los Angeles slopes overlooking Cherry Cove, upslope from rd, on E side of cove 70 Comment
  SBBG97037  Chenopodium californicum S. Boyd with T. Ross, L. Arnseth 1990-4-8 4361 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  UCD98092  Chenopodium californicum F. R. Fosberg 1931-3-18 S 4283 Los Angeles Hamilton Canyon, Santa Catalina Island. 10 Comment
  UCD98132  Chenopodium californicum A. C. Sanders; E. J. Lawlor 1988-4-3 7743 Los Angeles Southwestern end of the Tehachapi Mountains, 1 mi. NW of Gorman on a gasline rd, 0.4 mi. above old highway. 391 Comment
  RSA0112064  Chenopodium californicum Steven A. Junak 2000-5-6 SCa- 1275 Los Angeles Santa Catalina Island. Just W of Upper Quarry Road, above Empire Landing, ca. 2.0 mi. W of intersection w/road to housing at Empire Landing. 292 Comment
  SBBG131494  Chenopodium californicum S. A. Junak, B. Collins 1991-4-24 SCI 195 Los Angeles just N of Eel Cove Cyn 45 Comment
  RSA0088594  Chenopodium desiccatum R. G. Swinney 2010-5-11 12677 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  UCR209246  Chenopodium fremontii R. G. Swinney 2008-10-8 9530 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  RSA230682  Chenopodium fremontii R. F. Thorne, M. Z. Thorne 1969-7-9 38561 Los Angeles San Gabriel Mountains, Angeles National Forest: upper part of large, wet sloping meadow at Big Pines 2073 Comment
  SFV12661  Chenopodium macrospermum M. H. Grayum, D. L. Koutnik, B. Balch 1977-11-27 898 Los Angeles Santa Monica Mountains Tapia Park. Along Malibu Creek. 145 Comment
  RSA423239  Chenopodium murale Robert Gustafson 1981-4-29 2211 Los Angeles Ballona Wetlands, Area 2. Comment
  NY468363  Chorizanthe parryi var. fernandina A. Eastwood 1913-5-11 3139 Los Angeles San Fernando Wash Comment
  RSA65170  Chorizanthe parryi var. fernandina F. W. Peirson 1920-5-3 2120 Los Angeles Little Tujunga Wash just above the junction with Big Tujunga, SW base of San Gabriel Mountains 335 Comment
  SBBG132185  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2014-5-13 2169 Los Angeles 0.2 km S of Magic Mtn Parkway, 0.7 km W of Interstate 5; N side of Santa Susana Mtns; Newhall Ranch 360 Comment
  SD178201  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-19 2948 Los Angeles Western Transverse Range: hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch. On open flat. 366 Comment
  CAS-BOT-BC244732  Chorizanthe staticoides E. Braunton 1902-5-5 s.n. Los Angeles Glendora Comment
  CAS-BOT-BC244811  Chorizanthe staticoides R. J. Dobbs 1927-5-20 290 Los Angeles Near Claremont 457 Comment
  POM121987  Chorizanthe staticoides Marcus E. Jones 1902-6-28 s.n. Los Angeles Pasadena. Comment
  UC1211062  Chorizanthe staticoides Huron H. Smith 1912-5-3 4922 Los Angeles Azusa 243 Comment
  UC131091  Chorizanthe staticoides Katharine Brandegee May 1909 Los Angeles Saugus Comment
  SBBG62338  Chorizanthe watsonii R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  JEPS57757  Chorizanthe xanti S. B. and W. F. Parish June 1881 Los Angeles Comment
  RSA659856  Chrysanthemum coronarium Chris White 1991-5-20 20 Los Angeles Point Fermin Comment
  UCR48838  Chrysanthemum coronarium David Charlton 1987-6-15 1081 Los Angeles Lomita, Alexander Fleming Jr. High School, near Walnut Street and 256th St. Nearest main streets are Pacific Coast Hwy and Western Ave. 15 Comment
  RSA476631  Chrysolepis sempervirens F. R. Fosberg 1931-8-12 S 5457 Los Angeles Summit Mount Islip, San Gabriel. 2500 Comment
  RSA701715  Cirsium occidentale Steve Boyd, Amber Maurice 2004-5-18 11331 Los Angeles Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain. 610 Comment
  CAS-BOT-BC438960  Cistanthe monosperma Tim Ross; Steve Boyd 1993-5-23 7285 Los Angeles Liebre Mountains, NW Los Angeles Co. Upper Clearwater Canyon: margin of USFS road (6N24), ca 790 m ENE of Ruby Canyon/Clearwater Canyon saddle. 873 Comment
  LA200700  Clarkia bottae H. & M. Lewis; 1947-5-7 211 Los Angeles Santa Monica Mountains, Decker Road, 0.4 mi. N of Latigo Canyon Rd Comment
  LA45533  Clarkia bottae J. A. Ewan; 1930-5-30 2251 Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, above Hollywood Lake. 304 Comment
  LA82398  Clarkia bottae O. H. Kappler; 1940-6-21 707 Los Angeles Santa Monica Mountains, Sepulveda Canyon, Lower end Sepulveda Canyon 152 Comment
  POM50320  Clarkia bottae L. R. Abrams 1901-6-4 1713 Los Angeles Los Tunas Canyon. Comment
  RSA131023  Clarkia bottae Percy C. Everett, E. K. Balls 1959-6-2 23850 Los Angeles 2 miles W of Seminole Hot Springs, Santa Monica Mountains. 869 Comment
  RSA247437  Clarkia bottae Jack Delaini, Barbara Shervanick 1974-5-23 215 Los Angeles Near base of E ridge of canyon near path by the stream. 488 Comment
  RSA609076  Clarkia dudleyana Louis C. Wheeler 1932-5-28 781 Los Angeles San Antonio Canyon, E side SE Hogback. 1280 Comment
  RSA648665  Clarkia dudleyana Hasmig Babayan 1981-4-26 6 Los Angeles West fork trail of San Gabriel River off CA Hwy 39, Distance of 1 mile. Comment
  UC144376  Clarkia dudleyana C. F. Baker May 1904 4714 Los Angeles hills near Claremont Comment
  UC930754  Clarkia dudleyana C. F. Baker May 1904 4714 Los Angeles hills near Claremont 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
  CATA213  Clarkia epilobioides Mark L. Hoefs, A. Douglas Propst 1973-4-24 197 Los Angeles Santa Catalina Island: Upper Descanso Canyon, west fork 198 Comment
  RSA725858  Clarkia epilobioides R. G. Swinney 1998-5-9 6046 Los Angeles Fern Canyon, a tributary of Fish Canyon, c. 600 m west of Fish Cyn stream bottom 396 Comment
  RSA681347  Clarkia epilobioides LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 950 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago)., We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 564 Comment
  SBBG130757  Clarkia purpurea S. A. Junak 1999-5-7 SCa 902 Los Angeles between Cape and Middle Ranch Cyns, overlooking Cape Cyn Reservoir, just W of conspicuous butte on ridge 475 Comment
  RSA448284  Clarkia purpurea subsp. quadrivulnera Fordyce Grinnell Jr. 1910-05 s.n. Los Angeles Arroyo Seco, Pasadena. Comment
  SD64158  Clarkia purpurea subsp. quadrivulnera W. Bertsch 1953-4-17 72 Los Angeles Claremont Wash Comment
  UCR146265  Clarkia rhomboidea Orlando Mistretta 1995-6-23 1844 Los Angeles San Gabriel Mountains, Lookout Mt. Trail 1631 Comment
  RSA0011523  Clarkia rhomboidea Orlando Mistretta, Christine Mistretta 2011-6-23 5724 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  CAS-BOT-BC165219  Clarkia similis John Thomas Howell 1928-5-6 3777 Los Angeles Along trail between Fern Lodge and [Madrono] Madrono Flat, E. Fork of Santa Anita [Canon] Canyon, San Gabriel Mts. Comment
  UCR126586  Clarkia speciosa A. C. Sanders 2003-4-16 26023 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course 366 Comment
  RSA561823  Clarkia unguiculata Steve Boyd, Orlando Mistretta 1993-6-3 8177 Los Angeles Western San Gabriel Mountains: north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest., North of Santa Clara Rd (3N17.9) at head of eastern-most canyons, 1/4 mile northeast of May Canyon saddle. 915 Comment
  RSA608724  Claytonia parviflora L. C. Wheeler 1931-3-19 s.n. Los Angeles Pomona: Ganesha Heights. Comment
  RSA252709  Claytonia parviflora subsp. utahensis Michael C. Long 1974-4-21 s.n. Los Angeles Devil's Punchbowl Co. Park, Holcomb Canyon. 1311 Comment
  RSA660520  Claytonia perfoliata subsp. mexicana Gerald Braden, Arthur Davenport, Lori Ackerman 1988-5-4 15 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  RSA117690  Claytonia perfoliata subsp. mexicana S. Tillett 1956-3-18 427 Los Angeles 1 mile up mouth of Cobal Canyon, N end of Mills Ave., Claremont, then along stream bed 1/4 mile after road turns up hill; stream turns right then left. Comment
  RSA608066  Claytonia perfoliata var. perfoliata L. C. Wheeler 1931-3-6 s.n. Los Angeles San Dimas: Puddingstone. Comment
  RSA0059527  Claytonia rubra subsp. rubra Steve Boyd, Timothy S. Ross 1997-3-21 9198 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  SBBG87644  Clematis lasiantha S. Boyd, T. Elias 1987-4-14 2055 Los Angeles Rincon, Red Box Rd S of Rincon Forest Station, N of Glendora Comment
  RSA386252  Clematis ligusticifolia Bonnie C. Templeton 1932-8-25 5071 Los Angeles Big Rock Creek, San Gabriel Mts. 1905 Comment
  RSA5989A  Clematis ligusticifolia var. californica Carl B. Wolf 1932-9-13 4062 Los Angeles Bryant Ranch. 350 ft. south of north boundary. 5 Comment
  UC853957  Clematis pauciflora Louis C. Wheeler 1932-6-27 881 Los Angeles San Gabriel Mts., San Dimas Canyon Dam Comment
  CAS-BOT-BC423119  Cleomella obtusifolia Le Roy Abrams; E. A. McGregor 1908-6-30 520 Los Angeles Palmdale, Mohave Desert Comment
  POM202312  Cnicus benedictus L. M. Booth 806 Los Angeles Burbank Comment
  UC56205  Collinsia bartsiifolia var. davidsonii H. M. Hall May 1 1902-May 3 1902 3062 a Los Angeles vicinity of Elizabeth Lake; Antelope Valley 1066 Comment
  RSA679886  Collinsia callosa LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 845 Los Angeles East side of Punchbowl Canyon. 1585 Comment
  UCR190034  Collinsia childii R. G. Swinney 1998-6-16 6972 Los Angeles San Gabriel Mtns., c. 0.6 mi. north of Cow Canyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
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May 2 2012
  RSA670756  Collinsia heterophylla Joseph M. Keefe 2001-4-8 31200 Los Angeles San Rafael Mountains. North side of wood fence along The Eagle Rock Park path between Scholl Canyon Road and Eagle Rock View Drive, 5 meters west of beginning of private driveway with mailboxes (5475 Eagle Rock View Drive)., Eagle Rock District, Los Angeles, CA 90041. North. 293 Comment
  OBI26234  Collinsia heterophylla Mark E. Schneider 1973-4-26 46 Los Angeles Mullolland hwy 1.5 mi past Stunt Rd 267 Comment
  RSA408274  Collinsia heterophylla Fordyce Griffiths Jr. 1910-05 s.n. Los Angeles Near Pasadena. Comment
  RSA408343  Collinsia heterophylla I. M. Johnston 1917-7-1 1750 Los Angeles Near Brown's Flat in Fern Canyon. 1280 Comment
  POM128776  Collinsia parryi Thomas Craig 1927-5-4 296 Los Angeles Cobal Canyon, above Claremont. Comment
  CATA164  Comarostaphylis diversifolia subsp. planifolia Mark L. Hoefs, A. Douglas Propst 1973-3-14 125 Los Angeles Santa Catalina Island: First side canyon of Cape Canyon 243 Comment
  CATA1709  Comarostaphylis diversifolia subsp. planifolia Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3029 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon 152 Comment
  POM201985  Conium maculatum L. Crutcher 1933-6-21 s.n. Los Angeles Low waste place, 7th Street Bridge, Long Beach Comment
  RSA669340  Conium maculatum LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 564 Los Angeles North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 295 Comment
  CATA1685  Convolvulus arvensis Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-18 2980 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon 219 Comment
  SBBG131948  Convolvulus arvensis S. A. Junak 2000-5-18 SCa 1303 Los Angeles NW-facing slope overlooking Parson's Landing 73 Comment
  RSA0043298  Convolvulus occidentalis Lee Haines s.n. Los Angeles Topanga Canyon. 304 Comment
  UCR217708  Conyza bonariensis A. C. Sanders, Dan S. Cooper 2010-8-5 38551 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  POM355837  Conyza canadensis D. A. Young 1969-5-26 p 499 Los Angeles Along Brea Canyon Road, 3 miles from Orange county line 274 Comment
  UCR194085  Conyza floribunda A. C. Sanders, Dan S. Cooper 2008-1-11 34415 Los Angeles South Coast; Los Angeles Basin, Taylor Yards State Park, Los Angeles, San Fernando Rd. near Eagle Rock Blvd. between the RR and San Fernando Rd. 102 Comment
  RSA4789  Cordylanthus maritimus subsp. maritimus James Snow 1932-1 s.n. Los Angeles Bryant Ranch, near Long Beach. Collected for correlation with a soil survey by the Association Laboratory, Anaheim, Calif. Comment
  UCR190520  Cordylanthus rigidus R. G. Swinney 2000-6-19 7818 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  CAS-BOT-BC287745  Coreopsis bigelovii H. M. Hall 1902-5-1 3074 Los Angeles Antelope Valley, vicinity of Elizabeth Lake 1066 Comment
  POM355968  Coreopsis bigelovii H. E. Hasse, Anstruther Davidson 1906-6-2 1469 Los Angeles Big Rock Creek. Comment
  UCR187205  Coreopsis bigelovii A. C. Sanders 2006-4-21 32146 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles east of Quail Lake, east of the Cement Plant Rd. and SE of Calif. Aqueduct, c. 0.25 mi. north of Hwy 138 1037 Comment
  UCR223772  Coreopsis bigelovii R. G. Swinney 2009-6-17 11173 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA184053  Coreopsis californica I. L. Wiggins 1966-4-15 20590 Los Angeles Desert wash immediately east of J. F. L. Motel, Pearlblossom. Mohave Desert. Comment
  RSA585329  Coreopsis californica Timothy S. Ross 1991-4-27 4640 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  CAS-BOT-BC287861  Coreopsis californica Marjorie Shaw; Edna Spaulding; Mrs. C. L. Walton 1917-4-6 s.n. Los Angeles E end Antelope Valley Comment
  SEINET807418  Coreopsis californica Rimo Bacigalupi 1955-1 4818 Los Angeles 1 mile northwest of Edwards Air Force Base (Muroc Lake) 685 Comment
  UC604836  Coreopsis californica var. californica Roxana S. Ferris and Ruth P. Rossbach 1938-5-13 9482 Los Angeles 4 mi ne of Lancaster (on the Muroc Road) Comment
  CAS-BOT-BC105706  Corethrogyne filaginifolia Fordyce Grinnell 1903-12-1 43 Los Angeles Upper Arroyo Seco Canyon [Canon], near Pasadena Comment
  CAS-BOT-BC105723  Corethrogyne filaginifolia L. R. Abrams 1916-10-31 6367 Los Angeles Fremonts Pass Comment
  CAS-BOT-BC105743  Corethrogyne filaginifolia Peter H. Raven 1957-9-21 11359 Los Angeles Topanga Canyon 2.5 mi. above U.S. 101 alternate, Santa Monica Mts. Comment
  RSA455879  Corethrogyne filaginifolia M. Bisbee 1917-9-15 s.n. Los Angeles Hills north of Eagle Rock Comment
  SBBG60680  Corethrogyne filaginifolia R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  UC135445  Corethrogyne filaginifolia LeRoy Abrams 1902-8-27 2981 Los Angeles edges of sand dunes Playa Del Ray Comment
  RSA126676  Corethrogyne filaginifolia var. virgata Peter H. Raven 1959-9-27 14507 Los Angeles Sepulveda Canyon. (Lat. 34deg.N; Long. 118-119deg.W.) 244 Comment
  POM187607  Cornus occidentalis Joseph A. Ewan 1928-6-9 3634 Los Angeles Formerly abundant locally (at date of collection) in stream bottom thicket, Verdugo Canyon at Colima Drive Comment
  CLARK-A1528-2437  Coronopus didymus John C. Roos 1957-5-20 6611 Los Angeles Los Angeles Comment
  RSA591674  Cortaderia selloana L. C. Wheeler 1966-9-21 8881 Los Angeles Angeles National Forest: San Gabriel Canyon, 1/3 mile inside mouth 244 Comment
  UCSB9475  Cotula australis H. Wedberg 1958-7-14 341 Los Angeles collected in the Athletic Field lawn near the Faculty Hill in U. C. L. A. campus Athletic Field lawn, Faculty Hill Comment
  IRVC28703  Cotula coronopifolia A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25488 Los Angeles Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley NE end of Santa Susana Mtns. 300 Comment
  RSA670203  Crassula connata Joseph M. Keefe 2001-3-16 31101 Los Angeles 50 meters west of dead end of Cresthaven Drive, 1 mile southeast of The Eagle Rock, Pasadena, CA 91105. 284 Comment
  RSA584047  Crassula tillaea T. S. Ross 1992-4-21 6230 Los Angeles W and SW of Horse Canyon Saddle; along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary of the San Dimas Experimental Forest. 1042 Comment
  RSA394749  Cressa truxillensis F. R. Fosberg 1931-5-20 728 Los Angeles Santa Catalina Island. Ballast Point, Catalina Harbor. 1 Comment
  SFV2834  Cressa truxillensis A. M. Johnson 1933-5-17 4252 Los Angeles Los Angeles, Del Rey. 1 Comment
  RSA306167  Cressa truxillensis Fay A. MacFadden 1934-9-10 12928 Los Angeles Culver City. Comment
  CATA2987  Crocanthemum scoparium Peter J. Dixon 2015-2-25 019 Los Angeles Santa Catalina Island: Wild Boar Gully, Triangle Population, 350m SW of Wild Boar Gully Rd. 230 Comment
  CATA1046  Crossosoma californicum Mark L. Hoefs 1995-5-10 1974 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  RSA177851  Crossosoma californicum R. F. Thorne 1965-3-11 3462 Los Angeles Near junction of roads to Middle Ranch, and Little Harbor, Santa Catalina Island. 91 Comment
  UC859051  Crossosoma californicum F. R. Fosberg 1931-4-8 S 4522 Los Angeles Santa Catalina Island 60 Comment
  LA82194  Croton californicus O. H. Kappler; 1940-7-2 67 Los Angeles Santa Monica Mountains, Carbon Canyon Comment
  UCR126335  Croton setiger A. C. Sanders 2003-8-5 27106 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters 366 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
  SBBG131695  Crypsis vaginiflora S. A. Junak 1999-9-11 SCa 1098 Los Angeles W side of upper Buffalo Springs reservoir 432 Comment
  CAS-BOT-BC189245  Cryptantha Le Roy Abrams 1901-4-7 1413 Los Angeles Verdugo Hills Comment
  UCR187003  Cryptantha A. C. Sanders 2006-4-28 32224 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UCR273410  Cryptantha R. G. Swinney 2011-6-22 15247 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
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Dec 6 2018
  RSA641233  Cryptantha barbigera R. F. Thorne 1974-4-9 44706 Los Angeles Bob's Gap in Holocomb Ridge. 1219 Comment
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Feb 7 2008
  SD113303  Cryptantha circumscissa Darley F. Howe 1947-5-4 1776 Los Angeles Vincent, Western MoJave Desert Comment
  UCR121220  Cryptantha circumscissa June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, 263rd St. south of Calif. Hwy 18 in Antelope Valley, along San Bernardino Co. line, NNW of Pinon Hills 1100 Comment
  SD247613  Cryptantha decipiens Ed Kentner, Onkar Singh 2014-4-4 367 Los Angeles Western Mojave Desert, approx. 3.3 km northeast of Valyermo along Bob's Gap Road approx 1.6 km southeast of the aqueduct. 1125 Comment
  UCR187134  Cryptantha decipiens A. C. Sanders 2006-5-16 32357 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  RSA646092  Cryptantha echinella Orlando Mistretta 1993-6-2 858 Los Angeles San Gabriel Mountains: Near Vincent Gap, south slope of Vincent Gulch. 2084 Comment
  SD237365  Cryptantha echinella R. G. Swinney 2009-5-13 10782 Los Angeles Transverse Range; San Gabriel Mtns.: upper Brainard Canyon, c. 2 miles south of Ft. Tejon Re., immediately NW of Cima Mesa, Juniper Hills. 1121 Comment
  POM296756  Cryptantha intermedia Lyman Benson 1945-5-21 11727 Los Angeles Claremont: Indian Hill. Pacific Slope Drainage Area. 396 Comment
  SD255673  Cryptantha intermedia Dan S. Cooper 2015-3-18 315 6 Los Angeles Los Angeles Basin/Western Transverse Range: Eastern Santa Monica Mountains.Hollywood Hills, at Hollwywood Bowl (Hollywood 7.5'Q) 155 Comment
  RSA756130  Cryptantha intermedia Orlando Mistretta, Christine Mistretta 2008-4-21 2518 Los Angeles Southern California Edison transmission line tower (Segment 6, Structure 42 per TRTP Survey 2008), vicinity of Mill Creek. 1425 Comment
  POM6667  Cryptantha micrantha L. T. Street, G. Williams 1919-5-10 2717 Los Angeles Near Bassett 90 Comment
  RSA682521  Cryptantha micrantha Scott D. White, Michael Honer 2003-5-7 9194 Los Angeles South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  RSA252980  Cryptantha micrantha var. lepida R. F. Thorne 1973-4-20 43103 Los Angeles Mojave Desert slope: Mormon Rocks and Cajon Canyon 1037 Comment
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Aug 16 2013
  UCR261354  Cryptantha micromeres R. G. Swinney 2010-3-13 11887 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  JEPS67721  Cryptantha muricata Frank W. Peirson 1921-7-1 2476 Los Angeles Arraster Creek San Gabriel Mountains 944 Comment
  SEINET269237  Cryptantha muricata Scott D. White, Chet McGaugh 1995-5-16 3067 Los Angeles E edge of Santa Susana Mts W of San Gabriel Mts. Sunshine Canyon Landfill property: W of San Fernando Rd and I-5 Fwy 457 Comment
  SFV16882  Cryptantha muricata J. N. Hogue, B. Houck, B. Kanno 1997-6-18 84 .9 Los Angeles San Gabriel Mountains Gleason Canyon, near Mount Gleason. Roadside. 1700 Comment
  UCR190777  Cryptantha muricata R. G. Swinney 1999-7-5 7533 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  UCR258733  Cryptantha muricata R. G. Swinney 2010-3-16 11922 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
  UCR93387  Cryptantha muricata T. S. Ross, Orlando Mistretta 1993-5-27 7322 Los Angeles San Gabriel Mtns., W end of San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 841 Comment
  RSA0079155  Cryptantha muricata var. denticulata R. F. Thorne, C. W. Tilforth, J. Dourley, R. Scogin 1972-8-11 42231 Los Angeles San Gabriel Mtns, Angeles National Forest: N slope of Mt. Waterman near Buckhorn Station. 2134 Comment
  RSA0079561  Cryptantha muricata var. jonesii Tim Ross, Steve Boyd 1990-6-6 2854 Los Angeles Green Valley Pasture (in San Francisquito Canyon). 926 Comment
  RSA0079626  Cryptantha muricata var. muricata Orlando Mistretta 1994-4-12 1005 Los Angeles San Gabriel Mountains, Little Rock Creek. Slopes E of Little Rock Reservoir. 1006 Comment
  RSA0079220  Cryptantha muricata var. muricata Ralph Hoffmann 1930-6-6 s.n. Los Angeles Liebre Station. Comment
  RSA0079620  Cryptantha muricata var. muricata Chung-Hsin Chung 1931-2-26 s.n. Los Angeles Griffith Park. Comment
  UCR220044  Cryptantha nevadensis var. rigida R. G. Swinney 2009-4-24 10454 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR228572  Cryptantha nevadensis var. rigida Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8015 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 75 m west of Sierra Highway, 500 m north of Avenue F 702 Comment
  RSA0079505  Cryptantha pterocarya var. purpusii R. G. Swinney 2009-6-17 11183 Los Angeles San Gabriel Mtns.: Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR116942  Cucurbita foetidissima A. C. Sanders, D. Malueg 2001-5-17 24344 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
  RSA127938  Cucurbita foetidissima P. H. Raven, Henry J. Thompson 1959-10-14 s.n. Los Angeles Malibu Junction. 267 Comment
  SEINET12192402  Cuphea ignea W. F. Wight 1907-1 1641 Los Angeles East Lake Park, Los Angeles Comment
  CHSC95352  Cupressus arizonica LeRoy Gross 2002-2-2 471 Los Angeles Los Angeles Basin; Verdugo Mountains Region: North side: Shaved off peak top with concrete foundation, just west of McGroarty Cross, (near Pasko Park) off of Verdugo Crestline Drive, east of Woodward Ave. (grown back and gone back to nature, but shown on The Thomas Guide, street guide and directory of 1999). South of Sunland-Tujunga and north of Verdugo Crestline Drive. 625 Comment
  CAS-BOT-BC224478  Cuscuta californica LeRoy Abrams 1902-7-5 2654 Los Angeles Near Azusa Comment
  RSA530589  Cuscuta californica F. R. Fosberg 1931-3-27 S 4405 Los Angeles Santa Catalina Island, Hamilton Canyon, near Avalon 50 Comment
  UC124468  Cuscuta californica Katharine Brandegee 1905-1 Los Angeles Ramona Comment
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Jun 1 2018
  UC1348877  Cuscuta californica Robert F. Thorne 1966-6-2 36510 Los Angeles near upper end of road leading to White's Landing; Santa Catalina Island 396 Comment
  UCR190799  Cuscuta californica R. G. Swinney 2001-5-18 7939 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  UCR223248  Cuscuta californica R. G. Swinney 2009-7-22 11368 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA409731  Cuscuta ceanothi G. R. Johnstone 1930-10-19 s.n. Los Angeles Near rosemead Comment
  RSA0008159  Cuscuta salina P. H. Raven, Henry J. Thompson 1959-9-6 14364 Los Angeles At mouth of Malibu Creek. 2 Comment
  RSA723319  Cylindropuntia californica var. parkeri LeRoy Gross 2007-5-16 2730 Los Angeles Southwest side of the range. Near end of Roscoe Blvd. that runs up into Chandler Canyon. Opposite side of street of 9960 address. 305 Comment
  RSA0042387  Cylindropuntia echinocarpa R. G. Swinney 2009-11-13 11605 Los Angeles Confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  SEINET10515485  Cynodon dactylon LeRoy R. Abrams Abrams 1716 Los Angeles Ballena Creek, Mesmer. Comment
  RSA773850  Cyperus eragrostis R. G. Swinney 2009-8-19 11455 Los Angeles confluence of Monrovia Canyon and Sawpit Canyon 366 Comment
  UCR151019  Cyperus involucratus Scott D. White 1997-5-7 5062 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  CATA3086  Dactylis glomerata Amy Catalano, Steven Junak 2016-4-27 086 Los Angeles Santa Catalina Island: Along Silver Peak Road, 260 meters south of junction with Boushay Road 509 Comment
  CATA3151  Dactylis glomerata Amy Catalano 2016-6-3 138 Los Angeles Santa Catalina Island: East of Wrigley Reservoir, along Airport Road 393 Comment
  UC1375434  Datisca glomerata Robert F. Thorne and C. W. Tilforth 1971-6-29 40713 Los Angeles along Aliso Creek at Tie Canyon where crossed by Angeles Forest Road Aliso Creek; San Gabriel Mountains, Angeles National Forest 1371 Comment
  UCR190613  Datisca glomerata R. G. Swinney 2000-6-25 7797 Los Angeles San Gabriel Mtns., west tributary of San Antonio Canyon, between Evey and Spruce canyons 939 Comment
  UCR219895  Datisca glomerata R. G. Swinney, Jane Strong 2009-4-21 10425 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  UCR43296  Datisca glomerata David Charlton 1986-6-15 273 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
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Jun 26 2008
  UCR216388  Datura wrightii Dan S. Cooper 2010-6-13 610- 65 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Forest Lawn Drive west of Griffith Park 155 Comment
  UCR277135  Datura wrightii R. G. Swinney 2010-6-8 13224 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  RSA3736  Daucus pusillus C. B. Wolf 1932-5-10 3526 Los Angeles Santa Catalina Island. Equestrian Trail back of Avalon. 259 Comment
  UC729460  Daucus pusillus Carl B. Wolf 1932-5-10 3526 Los Angeles along equestrian trail back of Avalon; Santa Catalina Isl. 259 Comment
  CAS-BOT-BC130931  Deinandra clementina C. B. Wolf 1932-10-3 4217 Los Angeles 200 yds from Pebbly Beach Tent City on way to Avalon, Santa Catalina Isl. 7 Comment
  SBBG101154  Deinandra clementina T. Ross 1992-4-14 6157 Los Angeles just below the mouth of Nanny Cyn on ridge that separates Nanny Cyn drainage from the escarpment 99 Comment
  SBBG84735  Deinandra clementina M. R. Benedict 1971-6-25 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  UC1409039  Deinandra clementina Robert F. Thorne 1973-4-12 42905 Los Angeles China Point San Clemente Island (at end of road) 15 Comment
  CAS-BOT-BC299302  Deinandra fasciculata A. C. Sanders; Mark A. Elvin 2003-6-18 26937 Los Angeles Along road on crest of range from Salt Canyon, north of head of El Toro Cnayon, Newhall Ranch (Simi Valley East 7.5' Q.), Santa Susana Mountains 853 Comment
  UCR186796  Deinandra fasciculata Gary Kovnat, LeRoy Gross 2003-6-28 44 Los Angeles San Gabriel Mountains, Transverse Ranges; Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone Comment
  CAS-BOT-BC294068  Deinandra kelloggii David D. Keck 1933-9-19 2534 Los Angeles Brea Canyon, 3 mi. N. of Orange County line Comment
  UC174178  Deinandra kelloggii J. Grinnell 1903-6-30 Los Angeles Pasadena Comment
  SFV3978  Deinandra kelloggii M. L. Vincent 1962-6-18 262 Los Angeles Santa Monica Mountains Mulholland Highway, 1.5 miles west of Old Topanga turnoff. Comment
  CAS-BOT-BC291904  Deinandra pallida Ynez Whilton Winblad 1937-4-23 s.n. Los Angeles Ridge Route, n. Los Angeles Co. Comment
  RSA0100135  Delairea odorata R. G. Swinney 2011-3-15 14081 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  RSA612066  Delphinium cardinale Valerie L. Soza 1998-4-26 77 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SW of pHake Lake. At center of BFS. 412 Comment
  UCR179264  Delphinium cardinale R. G. Swinney 1989-7-8 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, 1.3 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 427 Comment
  CHSC95803  Delphinium parishii subsp. parishii LeRoy Gross 2005-5-3 2241 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. (Valyermo 7.5 Quad: T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31.) Alt.: 1085-1215m/3560-3984ft. 1150 Comment
  SBBG119256  Delphinium parishii subsp. parishii L. C. Wheeler 1968-6-1 Los Angeles Devil's Cyn, cmpgrd vicinity; T3N R11W S25 1219 Comment
  CAS-BOT-BC33224  Delphinium parryi LeRoy Abrams 1901-4-1 1186 Los Angeles Ballona Harbor Comment
  RSA715157  Delphinium parryi A. C. Sanders, Tricia Wotipka, Mark Elvin 2003-4-29 26151 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east of Lake Hughes Rd. 488 Comment
  UCR127968  Delphinium parryi A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26090 Los Angeles Western San Gabriel Mtns., Newhall Ranch, Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon 457 Comment
  SBBG53215  Delphinium parryi subsp. maritimum S. A. Junak 1978-4-16 SCa 43 Los Angeles small cyn W of Fourth of July Cove Comment
  CATA1144  Delphinium parryi subsp. parryi Mark L. Hoefs 1995-5-23 2135 Los Angeles Santa Catalina Island: Upper Middle Canyon 225 Comment
  UCR192957  Delphinium patens Dan S. Cooper 2008-4-7 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., road to Boys camp, east side of Griffith Park, Los Angeles 220 Comment
  CAS-BOT-BC116419  Delphinium patens subsp. hepaticoideum T. Ross 1992-5-8 6300 Los Angeles San Gabriel Mtns: Glendor Ridge Road; steep northerly slope overlooking Coldwater Canyon to the N; 1246 Comment
  UCD96559  Delphinium patens subsp. hepaticoideum James Dilley; Jaime Kneitel 1997-2-23 s.n. Los Angeles San Gabriel Mts., Angeles National Forest, Trail Canyon, off of Big Tujunga Cyn Rd. About 1 mile up the trail. Comment
  RSA0098839  Delphinium patens subsp. montanum R. G. Swinney 2011-6-7 15047 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1573 Comment
  RSA0030039  Delphinium patens subsp. montanum Orlando Mistretta 1995-4-25 1643 Los Angeles San Gabriel Mountains, Kitter Canyon: near the confluence of Kitter Canyon and Little Rock Creek. 1098 Comment
  UC855070  Dendromecon harfordii F. R. Fosberg 1931-4-13 S 4580 Los Angeles Renton Mine Santa Catalina Island, Pebble Beach Canyon, lf. fk. 300 Comment
  LA82464  Dendromecon rigida O. H. Kappler; 1941-3-26 152 Los Angeles 609 Comment
  RSA0061140  Dendromecon rigida LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6845 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UC1126382  Dendromecon rigida F. H. Raymond 1930-1-28 38 Los Angeles Tuna Canyon Calabasas Quadrangle; SBM 457 Comment
  RSA0053897  Descurainia pinnata R. G. Swinney 2010-5-11 12622 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  UCR147691  Descurainia pinnata Steve Boyd, Amber Maurice 2004-5-18 11312 Los Angeles Transverse Ranges; Liebre Mountains region, Atmore Meadows area Comment
  RSA595621  Descurainia pinnata subsp. intermedia L. C. Wheeler 1967-5-9 9384 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  SEINET6915181  Descurainia sophia W. P. Vestal, A. G. Vestal 1955-3-26 3484 Los Angeles Antelope Valley east of Fairmont on 110th Street. Comment
  UC604832  Descurainia sophia Roxana S. Ferris and Ruth P. Rossbach 1938-5-13 9478 Los Angeles 5 mi w Lancaster (on Antelope Valley Road) Comment
  UCR223625  Dicentra chrysantha R. G. Swinney 2009-6-28 11290 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge, on east side of main channel, 1 mi. north of Foothill Blvd. on east side of El Encanto Parkway 194 Comment
  RSA433598  Dicentra ochroleuca Jack Rempel 1934-5-6 18982 Los Angeles Mulholland Drive, Santa Monica Mountains. Comment
  RSA596029  Dichelostemma capitatum Timothy S. Ross, J. Mark Porter 1995-5-4 8444 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 555 Comment
  RSA599520  Dichelostemma capitatum Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9473 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
  CAS-BOT-BC499426  Dichelostemma capitatum I. W. Clokey; R. C. Anderson 1938-5-17 7875 Los Angeles Lovell Canyon 1600 Comment
  RSA592477  Dichelostemma capitatum subsp. capitatum Mark Haefs 1973-3-13 66 Los Angeles Santa Catalina Island: in upper Avalon Canyon, east of cactus area; west exp. 183 Comment
  RSA316350  Dichelostemma capitatum subsp. capitatum Robert F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54968 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  RSA376827  Dichelostemma capitatum subsp. capitatum M. B. Dunkle 1948-11-24 7208 Los Angeles San Clemente Island. Comment
  UCSB798  Dichelostemma capitatum subsp. pauciflorum Mooring, John 1948-4-25 Los Angeles 5 miles west of Palmdale Comment
  SEINET10533939  Dichelostemma pulchellum Reid Moran 1941-2-17 Moran 580 Los Angeles West slope of arroyo, Middle Ranch, San Clemente Island, Calif. 500 Comment
  POM356425  Dicoria canescens Anstruther Davidson 1893-04 s.n. Los Angeles Elyman Park? Comment
  CHSC20916  Dieteria canescens Robert A. Schlising 1971-10-19 3001 Los Angeles Lopez Canyon, north of Pacoima. Comment
  LA8667  Digitaria sanguinalis Monte Lloyd; 1950-7-10 500710p 1000 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  SEINET3828977  Diplachne fusca var. fascicularis Louis C. Wheeler 1946-1 6331 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 1/4 mile westerly from confluence with North Fork. Comment
  CAS-BOT-BC150652  Diplacus longiflorus C. B. Wolf; P. C. Everett 1939-10-17 9540 Los Angeles Base of Santa Susana Pass Comment
  PASA101  Diplacus longiflorus Loletta Hiebert Los Angeles Arroyo Seco Comment
  SD52446  Diplacus longiflorus Benjamin C. Stone April 1953 331 Los Angeles San Gabriel Mt. Range, hills above Big Dalton Canyon 1189 Comment
  CAS-BOT-BC150630  Diplacus rutilus Carl B. Wolf 1936-4-24 7773 Los Angeles Base of Santa Susana Pass 365 Comment
  RSA785964  Dodecatheon clevelandii J. D. Olmsted 1958-3-9 30 Los Angeles Johnson's Pasture Road at top of hill just past power line crossing, 1.5 mi. north of intersection of Mountain Ave. and Baseline, northwest of Claremont, S. drainage to Johnson creek 610 Comment
  POM3603  Dodecatheon clevelandii subsp. clevelandii I. M. Johnston 1917-1-28 Cf. 13783 Los Angeles Mouth of San Antonio Canyon Comment
  POM3670  Dodecatheon clevelandii subsp. clevelandii P. A. Munz 1918-3-28 2013 Los Angeles Claremont. In small canyon west of Palmer's Canyon. Comment
  RSA639731  Dodecatheon clevelandii subsp. clevelandii Louis C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains: Ridge east of Ham Canyon. 755 Comment
  UCR150386  Draba corrugata L. C. Wheeler 1970-7-26 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, N slope of Mount Hawkins Comment
  CAS-BOT-BC41672  Draba cuneifolia var. integrifolia Peter H. Raven 1962-3-27 16993 Los Angeles Palos Verdes Hills along Palos Verdes Drive 1.4 miles east of Portuguese Bend. Comment
  UCSB23143  Drymocallis cuneifolia var. ewanii Wilken, Dieter 1967-6-1 Los Angeles Lily Springs north of Mt. Hawkins, along State Highway 2, San Gabriel Mtns. 2407 Comment
  RSA681158  Drymocallis glandulosa LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1067 Los Angeles North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 550 Comment
  UC212523  Drymocallis glandulosa var. viscida I. M. Johnston 1917-7-1 1753 Los Angeles Brown's Flats San Antonio Mts. 1371 Comment
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May 15 2007
  CATA820  Dryopteris arguta Mark L. Hoefs 1991-6-17 1397 Los Angeles Santa Catalina Island: Near middle of Bulrush Canyon 368 Comment
  RSA692512  Dryopteris arguta Mable Emler 1929-7-18 19217 Los Angeles Griffith Park. Comment
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Oct 12 2010
  RSA650217  Dryopteris arguta Bob Schnackenberg 1948-2-14 s.n. Los Angeles Collected 1/2 mi. north of Foothill Blvd. on Crescent Glen Dr. Glendora. Comment
  UC2059996  Dudleya cymosa K. Nakai, D. Verity, J. Ross 1981-5-21 764 Los Angeles Santa Monica Mountains, ca. 0.6 mi SE of junction of Decker Road and Carlise Road. Comment
  CATA3558  Dudleya virens subsp. insularis Peter J. Dixon 2018-6-25 122 Los Angeles Santa Catalina Island: Pacific side; Catalina Harbor, near Wells Beach, 0.5 mi W of village of Two Harbors. SW-facing road embankment. 0 Comment
  SEINET4558813  Dysphania botrys G. B. Grant 1902-1 246 Los Angeles Pasadena Lisson loleal Comment
  RSA0083136  Echinochloa crus-galli R. G. Swinney 2010-6-29 13379 Los Angeles Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake. 308 Comment
  UCR242857  Ehrendorferia chrysantha R. G. Swinney 2009-8-6 11543 Los Angeles Transverse Range; San Gabriel Mountains, San Antonio Canyon, below hogsback, 2.4 mi. upstream from Shinn Rd. on canyon bottom 1073 Comment
  CDA20495  Ehrharta erecta M. O'Brien 2004-6-19 MOB 7 -04 Los Angeles South Coast; Malibu Bluffs Park. 0 Comment
  UCR143934  Ehrharta erecta A. C. Sanders, Lee Jones 2004-11-7 29023 Los Angeles San Fernando Valley, site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy 351 Comment
  LA15804  Eleocharis montevidensis A. M. Johnson; 1932-5-30 4072 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  RSA756753  Eleocharis montevidensis R. G. Swinney 2008-6-25 9104 Los Angeles Glendora, Harrow Canyon Debris Basin, seep on north-central side 387 Comment
  UC838981  Eleocharis montevidensis F. A. MacFadden 1931-4-22 Los Angeles Comment
  RSA608831  Eleocharis radicans L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Soledad Canyon, Santa Clara River. 530 Comment
  CATA3124  Elymus condensatus Amy Catalano 2016-5-25 129 Los Angeles Santa Catalina Island: South side of side drainage going northeast from large oak at sharp turn on Big Springs Road, 100 m up drainage 77 Comment
  UCR260329  Elymus condensatus R. G. Swinney 2010-5-4 12554 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  CAS-BOT-BC227502  Elymus elymoides A. D. E. Elmer 1902-7-1 3990 Los Angeles Griffins Comment
  UCR209474  Elymus elymoides R. G. Swinney 2008-7-3 9152 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  UCR276826  Elymus elymoides R. G. Swinney 2010-5-21 12875 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  RSA229170  Elymus elymoides subsp. californicus R. F. Thorne, C. W. Tilforth 1971-6-30 40753 Los Angeles San Gabriel Mountains, Angeles National Forest: S Fork of Little Rock Creek c. 0.3 mile below Alder Saddle 1616 Comment
  POM50837  Elymus glaucus Le Roy Abrams 1901-06 17735 Los Angeles Ballona Creek, Mesmer., [33?57'40N, 118?27'20W] Comment
  CAS-BOT-BC206755  Elymus glaucus subsp. glaucus Geo. B. Grant 1902-5-18 s.n. Los Angeles Los Angeles Comment
  RSA0103343  Elymus hispidus R. G. Swinney 2011-5-19 14792 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. 1018 Comment
  SD237266  Elymus ponticus R. G. Swinney 2008-6-17 9025 Los Angeles San Gabriel Mountains: 2.3 mi. north of Hwy 2 at Vincent Gap Pinyon Ridge Motorway. 1992 Comment
  RSA610548  Elymus stebbinsii L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Head of Los Pinetos Canyon. 1097 Comment
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Feb 19 2015
  UCR45018  Elymus triticoides A. C. Sanders 1986-7-30 6830 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  UC697629  Emmenanthe penduliflora Kay H. Beach 1942-10-1 1636 Los Angeles North slope of Sunset Peak; San Gabriel Mountains, San Dimas Experimental Forest 1600 Comment
  LA38487  Emmenanthe penduliflora var. penduliflora A. M. Johnson; sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SD253464  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-5-31 14926 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) 1096 Comment
  POM4940  Encelia californica D. L. Crawford, H. D. Hiatt 1916-3-28 575 Los Angeles Santa Monica Mountains. Comment
  SBBG128270  Encelia californica D. Kasang, S. Lawrence-Gomez, A. Cheung, M. Zou, S. Ratay 2011-7-1 4 Los Angeles Deer Valley Trail 4 Comment
  UCR206126  Encelia farinosa R. G. Swinney 2008-6-2 8920 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.6 mi. above (east) of El Encanto park office, on shoulder of the old road 280 Comment
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Dec 8 2009
  RSA478364  Endolepis covillei B. C. Templeton, I. W. Clokey 1930-4-8 1062 Los Angeles Mojave Desert, W of Lancaster in open fields 400 Comment
  RSA339713  Ephedra nevadensis Robert F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 55010 Los Angeles Little Rock Creek 1006 Comment
  UCR269957  Ephedra nevadensis R. G. Swinney 2010-5-12 12727 Los Angeles San Gabriel Mountains, Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  RSA595129  Ephedra viridis Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8565 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
  RSA85181  Ephedra viridis F. W. Peirson 1923-5-27 3532 Los Angeles small canyon on Pinyon Ridge, Rock Creek, north slope of San Gabriel Mountains 1295 Comment
  SBBG56464  Ephedra viridis R. Hoffmann 1929-5-19 Los Angeles Valyermo, Big Rock Crk Comment
  RSA0022989  Epilobium angustifolium Duncan S. Bell, Caitlin Elam 2013-8-1 5561 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; Columbine Spring. 2174 Comment
  UCR223126  Epilobium brachycarpum R. G. Swinney 2009-7-22 11363 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  CAS-BOT-BC166200  Epilobium canum subsp. canum Chester Dudley 1931-7-1 s.n. Los Angeles Sepulveda [Canon] Canyon Comment
  POM46087  Epilobium canum subsp. canum Marcus E. Jones 1884-8-29 s.n. Los Angeles Pasadena. Comment
  RSA638923  Epilobium canum subsp. canum Louis C. Wheeler 1946-8-27 6249 Los Angeles San Gabriel Mountains: Angeles Forest Highway opposite junction of Mill Creek & Big Tujunga Canyon 869 Comment
  SBBG13589  Epilobium canum subsp. canum E. R. Blakley 1962-10-3 5385 Los Angeles near Wrigley Reservoir at the summit of the island rd 426 Comment
  UCD105424  Epilobium canum subsp. canum Jon A. Nickoloff 1973-5-21 504 Los Angeles Ca. 3 miles SE on Devil's Canyon Trail, San Gabriel Mountains. 1066 Comment
  UCR217816  Epilobium canum subsp. latifolium Dan S. Cooper 2010-8-27 810- 94 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, south side of Zoo Dive, just west of Travel Town 168 Comment
  UCR259403  Epilobium canum subsp. latifolium R. G. Swinney 2010-8-30 13633 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  UCR277412  Epilobium canum subsp. latifolium R. G. Swinney 2011-10-13 15785 Los Angeles San Gabriel Mountains, Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek 1573 Comment
  RSA0021710  Epilobium ciliatum Duncan S. Bell, Caitlin Elam 2013-6-24 5259 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  UCR277018  Epilobium ciliatum R. G. Swinney 2010-9-30 13925 Los Angeles San Gabriel Mountains, 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs 2290 Comment
  UCR180570  Epilobium densiflorum Scott D. White, Andrea Warniment 2006-7-7 11619 Los Angeles SE Tehachapi Mtns, Gorman area, Gorman Creek NE of the I-5 Freeway 1098 Comment
  RSA630356  Epilobium densiflorum R. E. Riefner Jr. 1999-1 99 -305 Los Angeles Elizabeth Lake. N ridge on River drive, Southern end Antelope Valley. Comment
  RSA640134  Epipactis gigantea Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Burkhart Trail, 0.4 miles (airline) south southeast of Burkhart Saddle. 2012 Comment
  UC2026396  Epipactis gigantea Louis C. Wheeler 1964-5-9 8472 Los Angeles SAN GABRIEL MOUNTAINS: South side San Gabriel Canyon, about 1/4 mile upstream from mouth. Comment
  RSA381696  Epipactis gigantea George Henry Grinnell s.n. Los Angeles Los Angeles. Comment
  LA94022  Equisetum hyemale subsp. affine Lawrence L. Kiefer; 1962-12-24 339 Los Angeles 228 Comment
  UCR119561  Equisetum hyemale subsp. affine L. C. Wheeler 1973-2-3 s.n. Los Angeles Venice, by 2605 Strongs Drive Comment
  UC1971490  Equisetum hyemale subsp. affine Louis C. Wheeler 1973-7-15 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Graveyard Canyon, second side canyon. Comment
  RSA608231  Equisetum hyemale var. affine L. C. Wheeler 1946-9-2 6336 Los Angeles San Gabriel Mountains: West Fork San Gabriel River. 518 Comment
  RSA684662  Equisetum hyemale var. affine F. R. Fosberg 1931-8-11 S- 5493 Los Angeles Lower Pine Flat, First Camp, N Fork, San Gabriel Canyon 1500 Comment
  POM956  Equisetum hyemale var. affine L. C. Wheeler 1916-3-18 59 Los Angeles Palmers Canyon, near pool Comment
  RSA684622  Equisetum laevigatum F. R. Fosberg 1931-8-10 R- 117 Los Angeles Lower Pine Flats, First Camp, N fork San Gabriel Canyon 1500 Comment
  UCR129904  Equisetum laevigatum L. C. Wheeler 1932-8-2 1109 Los Angeles San Gabriel Mtns., North Fork San Gabriel River 1433 Comment
  UCSB8213  Equisetum laevigatum Beach, Kay 1943-4-27 Los Angeles Monroe Canyon bottom, 0.5 mi above Flume X, San Dimas experimental forest. Comment
  RSA596738  Eragrostis cilianensis L. C. Wheeler 1966-10-22 9044 Los Angeles Grandad's Ranch, Aliso Canyon. Comment
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Nov 23 2015
  RSA639264  Eragrostis curvula L. F. Lane 1965-05 41832 Los Angeles Mountains North of Los Angeles [Santa Monica Mts?]. Comment
  POM267972  Eragrostis mexicana subsp. virescens E. Johnson 1944-7-25 s.n. Los Angeles Pomona Comment
  POM199705  Eremocarpus setiger I. W. Clokey 1929-08 4599 Los Angeles Westwood. Mandeville Canyon, Santa Monica Mts. 200 Comment
  UC625072  Eremocarpus setiger F. R. Fosberg 1931-7-11 S 5383 Los Angeles Cape Canyon Santa Catalina Island (middle) 220 Comment
  UCR270456  Eriastrum densifolium R. G. Swinney 2011-6-30 15416 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA0106911  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2009-7-29 11435 Los Angeles Pacifico Mountain summit 2134 Comment
  UC1787315  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-14 136 Los Angeles Western San Gabriel Mountains: southern mouth of Bee Canyon, ca. 250m SW of Antelope Valley Fwy (Hwy 14), immediately adjacent to north side of Soledad Canyon Road and further up wash several hundred meters 548 Comment
  CATA1613  Eriastrum filifolium Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2883 Los Angeles Santa Catalina Island: Ridge to Whitley's Peak 384 Comment
  CDA39990  Eriastrum filifolium Phillipson 1915-6-9 3 .9.A Los Angeles Monrovia. Comment
  UC908542  Eriastrum pluriflorum Frank W. Peirson 1927-5-7 7268 Los Angeles 12 mi s Muroc Comment
  JEPS123266  Eriastrum rosamondense David Gowen 2005-5-21 351 Los Angeles Hwy 138 (West Ave. D) west of Lancaster. Areas on both sides of the road at the intersection with 30th St. West. Comment
  RSA0110988  Eriastrum sapphirinum subsp. brevibracteatum A. D. E. Elmer 1902-06 3710 Los Angeles Acton. Mt. Gleason. 829 Comment
  UC2062537  Eriastrum sapphirinum subsp. dasyanthum Sarah J. De Groot with Linda Lee Worlow 2005-5-26 5013 Los Angeles Claremont: vacant lot on NW corner of Foothill Blvd and Monte Vista Ave. Bajada of the San Gabriel Mountains. Comment
  RSA0121259  Eriastrum sapphirinum subsp. dasyanthum C. B. Wolf 1931-7-2 s.n. Los Angeles Little Tujunga Wash 1/2 mile above the bridge on the road from Sunland to San Fernando. 335 Comment
  RSA0121262  Eriastrum sapphirinum subsp. dasyanthum Geo L. Moxley 1917-5-30 s.n. Los Angeles Eagle Rock. Comment
  RSA763150  Ericameria cooperi Justin M. Wood 2010-5-10 1625 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  RSA93232  Ericameria cooperi F. W. Peirson 1919-5-10 411 Los Angeles Arraster [Arrastre] Creek, San Gabriel Mountains. 838 Comment
  CAS-BOT-BC131688  Ericameria cooperi var. cooperi W. R. Dudley; F. H. Lamb 1896-6-8 4370 Los Angeles Near Neenach, Antelope Valley Comment
  UC284981  Ericameria cooperi var. cooperi P. A. Munz 1923-5-25 6790 Los Angeles n San Gabriel Mts. (at summit of grade); Mint Canyon Comment
  LA20016  Ericameria ericoides Jonathan Sauer; Linda Newby 1977-2-6 5928 Los Angeles 9 Comment
  RSA628867  Ericameria linearifolia L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  RSA773806  Ericameria linearifolia R. G. Swinney 2009-6-17 11190 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UC520187  Ericameria linearifolia H. Anderson 1932-3-31 Los Angeles Peace Valley Comment
  SD87655  Ericameria nauseosa var. hololeuca Frank W. Peirson 1925-6-23 6026 Los Angeles Upper part of Mint Canyon. Comment
  SDSU6342  Ericameria nauseosa var. mohavensis Hunsaker 1962-11-2 Los Angeles 7 miles E of Wrightwood, San Gabriel Mountains. 1219 Comment
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Oct 29 2014
  CDA4603  Ericameria palmeri var. pachylepis G. C. Fleischman 1947-10-2 Los Angeles Pasadena. 0 Comment
  CAS-BOT-BC131658  Ericameria parishii var. parishii G. Earle Kelley 1917-9-1 s.n. Los Angeles Mt. Wilson Comment
  SFV6721  Ericameria parishii var. parishii R. Johnson Oct 1974 s. n. Los Angeles San Gabriel Mountains Wilson Canyon. 671 Comment
  RSA90889  Ericameria parishii var. parishii Raymond J. Dobbs 1924-8-25 5401 Los Angeles Slope above Switzers Camp, north of Pasadena, San Gabriel Mts. 1067 Comment
  RSA573739  Ericameria pinifolia Timothy S. Ross 1992-7-17 6723 Los Angeles 300m W of the summit of Condor Peak 1588 Comment
  UCR255469  Erigeron Dan S. Cooper 2014-5-23 514- 08 Los Angeles Los Angeles, Wilshire Blvd. at Valencia St. 98 Comment
  SEINET6066358  Erigeron Unknown 9025 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  RSA597745  Erigeron breweri var. covillei Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-22 3748 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  RSA639882  Erigeron breweri var. jacinteus L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, branch at Angeles Crest Highway. 2103 Comment
  POM357456  Erigeron foliosus B. C. Templeton 1939-6-23 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  RSA747413  Erigeron foliosus R. G. Swinney 2008-6-9 8964 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR204824  Erigeron foliosus R. G. Swinney 2005-8-22 8510 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  UCR239945  Erigeron foliosus R. G. Swinney 2009-11-16 11623 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, 20 m east (up canyon) from east edge of Kentucky Springs, tributary of Kentucky Springs Canyon, 3/4 mile W of Angeles Forest Hwy at Angeles National Forest boundary, 0.4 mi. west of junction of Mt. Emma Rd. and Angeles Forest Hwy 1122 Comment
  CAS-BOT-BC296197  Erigeron foliosus var. foliosus F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  LA105048  Erigeron foliosus var. foliosus Barry A. Prigge; 1988-7-3 8182 Los Angeles Santa Monica Mountains, ca 0.4 mi E of junction of Mulholland Hwy and Old Topanga Rd, across hwy from Calabasas High School track 316 Comment
  SFV4823  Eriodictyon crassifolium F. L. McPherson 1959-4-21 s. n. Los Angeles San Gabriel Mountains Soledad Canyon. Soledad Public Campgrounds. 518 Comment
  SEINET12279766  Eriodictyon crassifolium J. Bright, Wyman, C. 1931-1 5280 Los Angeles Mint Canyon Comment
  SBBG17023  Eriodictyon crassifolium var. nigrescens K. A. Wilson 1962-5-10 1265 Los Angeles Placerita Cyn Rd, ca. 2 mi E of Hwy 6 Comment
  UCD119328  Eriodictyon parryi T. C. Fuller 1980-6-12 20278 Los Angeles Angeles Crest Hwy, Hwy 2, 8.5 km. east of the road to Mt. Wilson, San Gabriel Mts. 1525 Comment
  SD112014  Eriodictyon traskiae Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island; on the east side of Black Jack Mountain. Comment
  CAS-BOT-BC222679  Eriodictyon trichocalyx Alice Eastwood 1919-6-20 9028 Los Angeles Mt. Wilson Comment
  HSC35877  Eriogonum angulosum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-8-19 2171 Los Angeles Beside Hwy. 5 just W of junction with Hwy. 138 Comment
  IRVC28800  Eriogonum brachyanthum A. C. Sanders, Mark Elvin 2003-8-7 27171 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  RSA680177  Eriogonum brachyanthum Scott D. White 2003-6-8 9503 Los Angeles Near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  CLARK-A1528-3622  Eriogonum cinereum John C. Roos 1942-9-26 1727 Los Angeles Santa Monica Comment
  UC750570  Eriogonum cinereum Lewis S. Rose 1946-7-26 46249 Los Angeles Malibu 6 Comment
  UCR281602  Eriogonum davidsonii R. G. Swinney 2014-4-17 16102 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
  RSA59071  Eriogonum fasciculatum G. R. Campbell 1950-4-17 14586 Los Angeles Escondido Canyon, leading to Malibu Lake, ca. 5 miles above Highway Alt. 101. 457 Comment
  RSA654269  Eriogonum fasciculatum Monica Acosta 1998-5-26 23 Los Angeles Parking lot J at California State Polytechnic University(Cal Poly Pomona). 226 Comment
  SDSU6552  Eriogonum fasciculatum H. Wedberg 1966-4-3 1209 Los Angeles Above Hill Dr. and Neal, i nEagle Rock. 457 Comment
  RSA0051557  Eriogonum fasciculatum Paul Gripp s.n. Los Angeles Topanga Canyon. 304 Comment
  UCR261771  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-2-27 11740 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
  LA94753  Eriogonum fasciculatum var. fasciculatum Norman A. Cole; May 1964 3 Los Angeles 259 Comment
  RSA594215  Eriogonum fasciculatum var. foliolosum Louis C. Wheeler 1967-5-8 9319 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 396 Comment
  SD40462  Eriogonum fasciculatum var. foliolosum Edith A. Purer 1931-2-11 Los Angeles Griffith Park, hillside Comment
  SEINET6418476  Eriogonum fasciculatum var. foliolosum T. Reeves, S. Jordan 1975-5-18 2653 Los Angeles San Gabriel Mts. , 1.4 miles NE of La Canada on Highway 2 Comment
  SBBG47362  Eriogonum fasciculatum var. foliolosum J. Copeland 1973-8-28 1001 Los Angeles 4.3 mi N of intersection of Hwy 39 and San Gabriel Cyn Rd, W fork of San Gabriel Cyn Comment
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Sep 16 2015
  CAS-BOT-BC250119  Eriogonum fasciculatum var. polifolium Roxana S. Ferris 1918-6-10 943 Los Angeles 5 miles south of Lancaster on highway Comment
  RSA59161  Eriogonum fasciculatum var. polifolium Percy C. Everett 1950-9-30 15896 Los Angeles San Gabriel Mountains: south fork Big Rock Creek. Comment
  UC412791  Eriogonum giganteum R. L. Pendleton 1909-7-2 1354 Los Angeles road e Avalon; Santa Catalina Id. 9 Comment
  UC77568 Image available Eriogonum giganteum var. formosum T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  RSA167831  Eriogonum giganteum var. giganteum Robert F. Thorne, Percy C. Everett 1964-2-7 33472 Los Angeles Lower end of Pebbly beach Canyon, E end of Santa Catalina Island. Comment
  POM7641  Eriogonum gracile var. gracile L. R. Abrams 1902-7-5 1561 Los Angeles Near the power house, San Gabriel Canyon. Comment
  UCR164534  Eriogonum gracillimum T. B. Salvato, Sandra Murcia 2005-11-1 1247 Los Angeles West Mojave Desert, NE edge of Palmdale c. 2 mi N of Pearland, 10 acre parcel east of 46th St., 0.1 mi past Hwy 138 on Palmdale Blvd, and south of Avenue Q 793 Comment
  SBBG20528  Eriogonum grande var. grande E. R. Blakley 1963-12-7 6348 Los Angeles cyn between Pyramid Head and Cove, S of Triangulation Pt Guds 30 Comment
  HSC104217  Eriogonum heermannii R. G. Swinney 2008-8-13 9408 Los Angeles San Gabriel Mtns.: junction of High Desert Recreational Trail (10W09) and Dorr Canyon, 0.6 mi. S of Big Rock Creek Rd. 1634 Comment
  POM211794  Eriogonum parvifolium var. parvifolium Louis C. Wheeler 1933-9-2 2093 Los Angeles Santa Monica. 5 Comment
  RSA729861  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. 1780 Comment
  SBBG64255  Eriogonum roseum R. Hoffmann 1927-6-13 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  UCR99515  Eriogonum roseum Steve Boyd, Lauren Raz 1996-10-29 9102 Los Angeles San Gabriel Mtns., Atmore Meadows area at the SE end of Liebre Mtn. in a tributary drainage to the North Fork Fish Canyon 1317 Comment
  UCR256575  Eriogonum saxatile Anuja Parikh, Nathan Gale 2011-6-28 3517 Los Angeles Transverse Ranage; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.2 km SW of Shortcut Station, 0.4 km north of State Hwy 2, Angeles Crest Hwy 1293 Comment
  RSA149777  Eriogonum saxatile Wesley O. Griesel 1961-6-29 s.n. Los Angeles San Gabriel Mountains: State Highway 2 near White Thorn Picnic Area 2287 Comment
  POM122792  Eriogonum umbellatum var. minus Marcus E. Jones 1926-7-8 s.n. Los Angeles San Antonio Peak. Comment
  SBBG64210  Eriogonum vimineum R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  RSA420591  Eriogonum wrightii var. subscaposum F. R. Fosberg, Joseph A. Ewan 1931-8-12 S- 5460 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  POM357934  Eriophyllum confertiflorum Norman C. Cooper 1945-5-1 2210 Los Angeles Tapia Park area, Santa Monica Mountains. 305 Comment
  UC1719675  Eriophyllum confertiflorum Steve Boyd, Amber Maurice 2004-5-18 11316 Los Angeles Transverse Ranges; Liebre Mountains region: on road leading down towards Atmore Meadows area from main road on crest of Liebre Mountian, at crossing of spring outflow 1437 Comment
  UCR260089  Eriophyllum confertiflorum Mitch Provance, Callen Huff 2009-4-28 10712 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  UC468934  Eriophyllum confertiflorum var. confertiflorum J. Grinnell 1903-7-3 Los Angeles Scoville Hill Pasadena, Scoville Hill Comment
  CAS-BOT-BC308345  Eriophyllum nevinii J. C. Nevin 1885-1-1 s.n. Los Angeles San Clemente Island Comment
  SBBG61085  Eriophyllum pringlei M. N. Ackley 1926-5-6 271 Los Angeles Little Rock foothills 914 Comment
  CAS-BOT-BC296957  Eriophyllum wallacei Frank W. Peirson 1919-5-30 346 Los Angeles Tujunga Canyon, west end of San Gabriel Mts. 426 Comment
  UCR184044  Erodium botrys A. C. Sanders 2007-4-19 33432 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA601135  Erodium botrys Louis C. Wheeler 1946-5-26 6213 Los Angeles San Gabriel Wash, 1/2 mi. south of Arrow Highway. Comment
  UCR107036  Erodium brachycarpum R. G. Swinney 1969-4-22 s.n. Los Angeles San Gabriel Valley, N and adjacent to Barnes Park along Rivergrade Rd., Baldwin Park. c. 200 yards east of San Gabriel River Channel. 91 Comment
  UCR213416  Erodium brachycarpum A. C. Sanders, Dan S. Cooper 2010-3-12 37337 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR210450  Erodium cicutarium R. G. Swinney 2008-11-30 9875 Los Angeles San Gabriel Mtns., Azusa/Irwindale boundary, San Gabriel River Channel within 75 m of Foothill Blvd. bridge 177 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
  UCD103158  Erodium cicutarium Gary D. Cromwell; David W. Wheat 1971-5-14 629 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mts. 2 mi. NE of Glendora. Comment
  RSA652315  Erodium moschatum Eleanor McClung 1937-3-14 1 Los Angeles Playa del Rey. Comment
  CAS-BOT-BC40783  Erysimum capitatum Le Roy Abrams 1901-4-1 1339 Los Angeles Chatsworth Park. Comment
  UCR124702  Erysimum capitatum B. C. Templeton 1932-5-31 4842 Los Angeles San Gabriel Mtns., between Big Pines Park and Jackson Lake, Angeles National Forest 2000 Comment
  RSA0011211  Erysimum capitatum Eileen McCollum 1932-4-10 s.n. Los Angeles El Segundo sand dune. Comment
  RSA0034957  Erysimum capitatum L. E. Hoffman 1964-3-2 s.n. Los Angeles Piuma Rd. Santa Monica Mts. Comment
  RSA530286  Erysimum capitatum var. capitatum M. B. Dunkle 1933-6-17 3605 Los Angeles San Antonio River Canyon 915 Comment
  SBBG105508  Erythranthe cardinalis F. R. Fosberg 1931-7-10 5366 Los Angeles Middle Ranch Cyn, below spring 180 Comment
  OBI35915  Erythranthe cardinalis J. & B. Semple, B. Semple 1981-8-14 19 Los Angeles E of Kratka Ridge, along crk 2134 Comment
  CAS-BOT-BC151474  Erythranthe latidens A. C. Sanders 2005-5-11 30131 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on N side of canyon 573 Comment
  UCR127237  Eschscholzia californica Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2920 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  CAS-BOT-BC403161  Eschscholzia californica Carl B. Wolf No date on label 3542 Los Angeles Santa Catalina Island. Along ridge, S.E. of the golf links, Avalon 274 Comment
  SDSU843  Eschscholzia californica R. M. Beauchamp 1967-6-2 538 Los Angeles On top of bank above road directly behind wWilson Cove Pier. San Clemente Island Comment
  SD28060  Eschscholzia californica var. peninsularis Carl B. Wolf 3542 Los Angeles Santa Catalina Island; along ridge, southeast of the golf links, Avalon. 274 Comment
  CAS-BOT-BC5889  Eschscholzia elegans Townsend Stith Brandegee 1889-5-1 s.n. Los Angeles Santa Catalina Island. Comment
  UC635610  Eschscholzia minutiflora H. L. Mason 1926-4-27 3043 Los Angeles Rock Creek Comment
  SBBG112771  Eschscholzia ramosa S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-4 SCa 516 Los Angeles Little Ripper's Cyn, just inland from beach 9 Comment
  SD85148  Eschscholzia ramosa E. R. Blakley 1963-12-8 6409 Los Angeles San Clemente Island, between Northwest Harbor and Whale Point. 7 Comment
  RSA0010846  Eucalyptus camaldulensis R. G. Swinney 1999-4-8 7071 Los Angeles Claremont, north of Via Santa Catarina and Mountain Ave. 488 Comment
  RSA0012585  Eucalyptus citriodora A. C. Sanders, D. Malueg 2001-5-17 24323 Los Angeles Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned. 122 Comment
  SBBG92291  Eucalyptus polyanthemos A. C. Sanders 1987-12-4 7587 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd 30 Comment
  UCR186763  Eucrypta chrysanthemifolia T. B. Salvato, Sandra Murcia 2007-3-28 2008 Los Angeles San Gabriel Mountains, Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi south of the Elkins Avenue entrance gate 680 Comment
  LA46909  Eulobus californicus Harlan Lewis; 1954-4-2 1629 Los Angeles Comment
  SBBG126127  Eulobus californicus A. C. Sanders with T. B. Salvato, M. Provance 2009-5-28 37025 Los Angeles San Gabriel River channel between Ramona Blvd and Lower Azusa Rd, sw lobe of Irwindale between Baldwin Park and El Monte 92 Comment
  CAS-BOT-BC124146  Eupatorium pasadenense Alfred James McClatchie 1896-4-20 1128 Los Angeles Canyon south of Pasadena Comment
  SD197759  Euphorbia helioscopia A. C. Sanders, T. B. Salvato 2009-5-20 36876 Los Angeles San Gabriel Valley: Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Boulevard (Highway 19) and west of Santa Anita Avenue. 66 Comment
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Jul 11 2010
  SBBG67751  Euphorbia peplus M. N. Ackley 1929-1-13 356 Los Angeles Coolidge Rare Plant Gardens, Pasadena 259 Comment
  RSA624548  Euphorbia peplus L. C. Wheeler 1945-4-8 6000 Los Angeles Home of the famous Wisteria vine, Sierra Madre. Comment
  OBI70742  Euphorbia polycarpa Louis C. Wheeler 1942-12-2 5679 Los Angeles Verdugo Mts: Burbank; Glen Oaks and Lamer St Comment
  UCR108428  Euphorbia serpens L. C. Wheeler 1970-11-8 s.n. Los Angeles City of Pasadena, 328 W. Olive Street. 229 Comment
  UCR179731  Euphorbia serpillifolia R. G. Swinney, Dave Larson 1996-7-17 5138 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  LA88587  Euthamia occidentalis O. H. Kappler; 1942-11-1 356 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SBBG31201  Festuca arundinacea R. F. Thorne 1966-6-1 36488 Los Angeles former lawn of razed St. Catherine's Hotel N of Avalon 4 Comment
  RSA606995  Festuca californica subsp. parishii L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mountains: Northwest slope Smith Mt., along Bear Creek Trail. 1249 Comment
  IRVC28856  Festuca microstachys Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2925 Los Angeles Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. Santa Susana Mtns. 915 Comment
  LA200948  Festuca microstachys Peter H. Raven; David S. Verity 1960-5-7 15322 Los Angeles Santa Monica Mountains, Arroyo Sequit 243 Comment
  RSA0092854  Festuca microstachys D. E. Bramlet 1999-4-27 2740 Los Angeles Western Transverse Range: Agoura Hills, Yerba Buena Elementary School proposed site (subsequently built), 34 acres, end of Reyes Adobe Rd. near Ventura Co. line. 317 Comment
  LA13071  Festuca myuros A. M. Johnson; 1933-5-30 4301 Los Angeles San Gabriel Mountains, San Gabriel Wash Comment
  UCR165063  Festuca octoflora A. C. Sanders, Helen Kennedy 2005-4-13 29462 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA643841  Ficus carica Steven A. Junak 1996-5-20 SC 1 -516 Los Angeles San Clemente Island: Mosquito Cove, just S of first gully S of main canyon. 18 Comment
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Dec 20 2009
  RSA533943  Filago arizonica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5218 Los Angeles San Clemente Island: SE end of island vicinity of Knob, 5100ft NW of Guds, Southeasterly draw leading into upper Knob Canyon 252 Comment
  UCR200179  Filago californica Valerie Soza, Laura A. Moore 2000-5-10 847 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines, west of peak ''1936' 579 Comment
  RSA587366  Filago californica Orlando Mistretta 1995-4-21 1635 Los Angeles Little Rock Creek. Un-named canyon draining the west slopes of Little Rock Creek canyon 0.5 mile N of Kitter Canyon 1052 Comment
  RSA596835  Filago gallica Timothy S. Ross, J. Mark Porter 1995-5-4 8490 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  UCR157919  Foeniculum vulgare Robert J. Steers 2005-5-8 18 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  RSA729489  Forestiera pubescens R. G. Swinney 1999-6-21 7381 Los Angeles Boulder Canyon Wash, south of east-west road that runs through Big John Flat. Wash bottom in ravine. 1634 Comment
  UCR163335  Forestiera pubescens Anuja Parikh, Nathan Gale 2004-6-22 2062 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  LA91289  Frangula californica subsp. californica Harvey Anderson; August 1931 sn Los Angeles Santa Monica Mountains, Escondido Canyon Comment
  RSA391395  Frankenia grandifolia H. E. Hasse 1889-7-30 s.n. Los Angeles Near Los Angeles Comment
  CAS-BOT-BC217363  Frasera neglecta H. M. Hall 1899-6-1 1249 Los Angeles Schwartout [Swartout] Canyon, on borders of Mojave Desert, San Antonio Mountains 2042 Comment
  CAS-BOT-BC223420  Fraxinus dipetala K. Kneen 1933-4-12 s.n. Los Angeles Topanga - 6 mi. from ocean on main highway Comment
  LA200676  Fraxinus velutina A. M. Johnson; 1932-5-30 4098 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  RSA230744  Fremontodendron californicum subsp. californicum Robert F. Thorne, M. Z. Thorne 1969-7-9 38478 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
  RSA561577  Fremontodendron californicum subsp. californicum Steve D. Boyd, Orlando Mistretta 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. 884 Comment
  POM6861  Fritillaria biflora Philip A. Munz, L. T. Street, G. Williams 1919-3-8 2302 Los Angeles Pomona. Comment
  CAS-BOT-BC130251  Fritillaria biflora Grant 1901-3-10 3476 Los Angeles Pasadena, San Rafael Ranch Comment
  RSA773511  Fumaria capreolata Fred M. Roberts, Ian Cain 2010-5-3 7297 Los Angeles Los Angeles Basin Region: Whittier Narrows Dam Recreation Area, Hondo Crek, ca. 0.8 km WSW western shore of Legg Lake and about 0.5 km upstream from San Gabriel Blvd. bridge 61 Comment
  RSA457579  Funastrum cynanchoides var. hartwegii George B. Grant 1904-06 s.n. Los Angeles Covina Comment
  UC450856  Galinsoga parviflora var. parviflora Fay A. MacFadden 1931-1-21 Los Angeles Monrovia Comment
  RSA0108846  Galium andrewsii R. G. Swinney 2010-6-1 13144 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
  JEPS52806  Galium andrewsii subsp. intermedium Lauramay T. Dempster and Aloysia Kooij 1966-4-7 4213 Los Angeles n end of Francisquito Canyon rd at junction with road from Gorman to Palmdale; Andrade Corners Comment
  RSA0049485  Galium angustifolium Richard G. Swinney 2010-5-7 12616 Los Angeles San Gabriel/Verdugo Mountains; Tujunga Valley, 150m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/south fork of Big Tujunga Wash. 357 Comment
  POM367666  Galium angustifolium subsp. angustifolium James Clizbe 1930-5-2 s.n. Los Angeles Nichols Canyon. Comment
  RSA578539  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1994-6-22 7998 Los Angeles Warm Springs Mountain: ca 450 m NW of summit 1140 Comment
  RSA612591  Galium angustifolium subsp. angustifolium E. Lloyd 1933-5-5 s.n. Los Angeles Topanga Canyon. Comment
  UC416623  Galium angustifolium subsp. angustifolium F. M. Reed 1909-7-2 2823 Los Angeles Pebbly Beach Road Catalina Island 15 Comment
  RSA158024  Galium angustifolium subsp. angustifolium Peter H. Raven 1962-5-20 17770 Los Angeles Road above Pebbly Beach, Santa Catalina Island. 61 Comment
  SBBG17096  Galium angustifolium subsp. angustifolium K. A. Wilson 1961-4-20 1145 Los Angeles Soledad Cyn, sandy wash at base of Bee Cyn Comment
  RSA191165  Galium angustifolium subsp. gabrielense Robert F. Thorne, M. Z. Thorne 1967-7-19 37168 Los Angeles Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area. 1982 Comment
  UC2026426  Galium angustifolium subsp. nudicaule Louis C. Wheeler 1968-5-31 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Devil's Canyon, just above the upper falls, below the campground, E of windy gap. Comment
  POM4533  Galium aparine M. L. M. 1912-6-15 s.n. Los Angeles Claremont. Comment
  RSA748743  Galium aparine R. G. Swinney 2008-3-31 8587 Los Angeles Glendora Mountain summit 1003 Comment
  UCR273212  Galium aparine R. G. Swinney 2011-5-6 14597 Los Angeles San Gabriel Mountains, north of Glendora, Glendora Mountain summit along old fire break 1013 Comment
  JEPS38124  Galium aparine Theodore Niehaus 1965-4-4 442 Los Angeles first canyon n of Randal Point (e side of island, also in canyon below Lemon Tank); San Clemente Island Comment
  RSA527761  Galium catalinense subsp. acrispum Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4326 -C Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA678131  Galium grande Valerie L. Soza, Monica Acosta 2001-6-20 1299 -b Los Angeles Above Cold Springs Canyon, east of White Saddle, along Silver Fish Road (FS Road 1N29), ca. 1.54 miles east of junction with Van Tassel Truck Trail (FS Road 1N36). 854 Comment
  UC2029959  Galium grande V. Soza, Samantha Tessel 2001-6-18 1286 Los Angeles Transverse Ranges, San Gabriel Mountains region: Upper Winter Creek Trail, above Santa Anita Canyon, ca. 0.7 mile from trailhead out of Chantry Flat area. Comment
  POM17844  Galium hallii Philip A. Munz 1923-9-1 7705 Los Angeles Swartout Valley, San Gabriel Mountains. 2043 Comment
  UCD169685  Galium hallii Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 300 yards E of foot of Holiday Hill Ski Lift. 1997 Comment
  UC1584881  Galium jepsonii Tim Ross and Steve Boyd 1991-7-24 5596 Los Angeles near intersection of Pacifico Mountain Road x Roundtop Truck Road; Pacifico Mtn USGS 7.5' quad, Granite Mountain vicinity 1901 Comment
  UCD121885  Galium parisiense C. W. Tilforth 1969-6-6 201 Los Angeles Rancho Santa Ana Bot. Gard., Claremont. Comment
  CATA362  Gambelia speciosa Mark L. Hoefs, Robert F. Thorne, Robert R. Given, & A. Douglas Propst 1973-9-9 410 Los Angeles Santa Catalina Island: Blue Cavern Point 6 Comment
  RSA710758  Gamochaeta pensylvanica Valerie L. Soza, Bill Hogshead 2003-4-23 1639 Los Angeles Brand Park, Brand Canyon. 457 Comment
  UC175478  Gamochaeta pensylvanica A. Davidson, M. D. 1914-6-1 2973 Los Angeles Azusa Station Comment
  UCR108670  Garrya flavescens Cary Otis 1927-1 s.n. Los Angeles San Gabriel Mtns, 1/2 mi north of Wickiup Comment
  CAS-BOT-BC158019  Garrya veatchii Louis C. Wheeler 1931-12-30 424 Los Angeles San Antonio Wash 670 Comment
  RSA391425  Garrya veatchii Fordyce Grinnell Jr. 1910-06 s.n. Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  UC1551918  Garrya veatchii David Charlton 1988-4-2 1478 Los Angeles Cleghorn Road Turnoff Cajon Pass (on Cajon Pass, Interstate 15, Swarthout Valley Rd to end of pavement, site is under powerline) 1524 Comment
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Feb 4 2015
  CATA1625  Gastridium phleoides Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2898 Los Angeles Santa Catalina Island: Near Divide Road, east end 1.7 miles from Wrigley Memorial 332 Comment
  CATA1748  Gastridium phleoides Mark L. Hoefs, Steven A. Junak, Ralph Philbrick 2001-5-18 3176 Los Angeles Santa Catalina Island: Near road between Cottonwood Canyon and Black Jack Campground 225 Comment
  POM257526  Gastridium phleoides C. B. Wolf 1932-5-10 3523 Los Angeles Santa Catalina Island. Equestrian Trail back of Avalon. 259 Comment
  UCR17881  Gaura sinuata G. R. Johnstone 1932-4-30 s.n. Los Angeles Los Angeles Basin, 3600 block of Slauson Ave., Los Angeles 69 Comment
  RSA761715  Gayophytum R. G. Swinney 2008-10-10 9553 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  UCD170714  Gayophytum R. G. Swinney 2009-7-29 11420 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit. 2172 Comment
  UC1122619  Gayophytum oligospermum Jerome S. Horton 1935-8-1 234 Los Angeles near Fern Canyon; Cucamonga Quadrangle, Dry Lake Comment
  CAS-BOT-BC208060  Genista monspessulana Geo. B. Grant 1900-2-23 2264 Los Angeles Pasadena Comment
  SBBG113090  Genista monspessulana S. A. Junak 1997-3-27 SCa 350 Los Angeles Avalon Cyn, along lower part of Hermit Gulch Trail 121 Comment
  RSA589252  Gilia T. S. Ross 1991-4-28 4755 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  RSA748851  Gilia R. G. Swinney 2008-5-8 8791 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
  RSA763106  Gilia R. G. Swinney 2008-8-13 9386 Los Angeles east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
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Dec 7 2018
  UCR192194  Gilia A. C. Sanders 2008-4-18 34970 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, at lowest wash-crossing of road in canyon 1029 Comment
  RSA703590  Gilia Gary D. Wallace, M. Wallace 1983-5-20 2076 Los Angeles Aliso Canyon road between Acton and Angeles Forest highway. Comment
  JEPS69442  Gilia angelensis Frank W. Peirson 1919-5-14 424 Los Angeles Eaton Canyon San Gabriel Mountains, Eaton Canyon 762 Comment
  POM50156  Gilia angelensis L. R. Abrams 1901-04 1406 Los Angeles Verdugo Hills Comment
  RSA0080783  Gilia angelensis R. G. Swinney 2010-4-15 12259 Los Angeles Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary. 415 Comment
  RSA763649  Gilia angelensis Doris Bowers 1957-3-23 826 Los Angeles Rocky Point, LaVerne 335 Comment
  UC205921  Gilia angelensis Geo. B. Grant 1901-1 501 Los Angeles Pasadena Comment
  RSA729734  Gilia capitata subsp. abrotanifolia R. G. Swinney 1998-6-16 6979 Los Angeles San Gabriel Mtns.: ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  POM305754  Gilia capitata subsp. abrotanifolia Henry J. Ramsey, Henry J. Ramsey 1937-6-27 939 Los Angeles Angeles National Forest: Bear Creek, north of Pacoima Reservoir. Comment
  UC908003  Gilia capitata subsp. staminea I. W. Clokey, B. C. Templeton 1930-4-8 4660 Los Angeles mi n Elizabeth Lake; n of Elizabeth Lake Comment
  RSA775870  Gilia diegensis Orlando Mistretta, Christine Mistretta 2010-5-26 5205 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor. 1463 Comment
  RSA778745  Gilia diegensis Orlando Mistretta, Christine Mistretta 2010-6-3 5249 Los Angeles Mill Creek Canyon, 1.80 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  CAS-BOT-BC226328  Gilia latiflora subsp. davyi Carl Epling; Lincoln Ellison; Harvey Anderson 1930-4-17 s.n. Los Angeles Mohave [Mojave] Desert, Lancaster Comment
  SD48430  Gilia latiflora subsp. davyi Verne Grant, Alva Grant 1952-4-23 17582 Los Angeles Leona Valley at junction of Bouquet Reservoir and Palmdale roads. Comment
  UCR223745  Gilia latiflora subsp. davyi R. G. Swinney 2009-6-24 11231 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  RSA343357  Gilia latiflora subsp. davyi F. R. Fosberg 1983-4-22 64132 Los Angeles Lake Hughes, San Gabriel Mts. Comment
  UC23560  Gilia latiflora subsp. davyi J. Burtt Davy May 9 1896-May 24 1896 2655 Los Angeles near Manzana ((towards Gorman's Station)); Antelope Valley, near Manzana Comment
  UC1870216  Gilia latiflora subsp. excellens LeRoy Gross 2005-5-3 2211 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 1150 Comment
  RSA567174B  Gilia malior T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3912 -A Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  UCR238626  Gilia modocensis Anuja Parikh, Nathan Gale 2010-5-12 3159 Los Angeles Western Mojave Desert, Antelope Valley, 3.9 km south of Hwy 138, 0.2 km west of 120th St. West, under power transmission lines 783 Comment
  RSA187843  Gilia nevinii R. F. Thorne 1966-4-6 35892 Los Angeles Santa Catalina Island. Between White and Moonstone Coves. 15 Comment
  RSA661018  Gilia nevinii Orlando Mistretta 1992-4-5 158 Los Angeles Guds, San Clemente Island. Comment
  SD51860  Gilia nevinii Peter H. Raven 1962-4-10 17192 Los Angeles San Clemente Island. Rocky slopes south of Wilson Cove. 91 Comment
  SD85024  Gilia nevinii E. R. Blakley 1962-6-9 5175 Los Angeles Channel Islands, San Clemente Island. Triangulation Thirst. 598 Comment
  UCR86526  Gilia nevinii T. S. Ross, Amy Kendall 1992-4-15 6191 Los Angeles San Clemente Island, Central upland portion of the island, SW of 'Ledge' (1328' knoll of Stone field station), 236 degrees SW, c. 170m distant from summit of 'Ledge' 393 Comment
  UCR177754  Gilia ochroleuca subsp. bizonata LeRoy Gross 2005-4-28 2173 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  UCR223473  Gilia ochroleuca subsp. bizonata R. G. Swinney 2009-5-28 10931 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  SBBG119333  Gilia ochroleuca subsp. bizonata S. D. White with K. Hughes 2000-5-17 7885 Los Angeles San Gabriel Mtns, Soledad Cyn 579 Comment
  RSA0017161  Gilia ochroleuca subsp. vivida F. W. Peirson 1929-7-1 8438 Los Angeles Mt. Pacifico: summit 2149 Comment
  UCSB31756  Gilia tricolor Risk, Paul 1963-5-15 Los Angeles Descanso Gardens, Native Plant section Comment
  SEINET3163638  Gilia virgata G. B. Grant 1901-1 502 Los Angeles from Santa Monica Range, S. Cal. Comment
  CAS-BOT-BC266497  Githopsis diffusa A. Davidson 1892-6-12 s.n. Los Angeles Wilson Peak Trail Comment
  JEPS37027  Glebionis coronaria Joseph Andorfer Ewan 1932-6-24 7547 Los Angeles 3 mi w of Hawthorne Comment
  OBI45942  Glebionis coronaria Clifton F. Smith 1957-6-13 5569 Los Angeles Along Figueroa St near Long Beach Comment
  POM358698  Glyptopleura setulosa Gary D. Wallace s.n. Los Angeles Mojave Desert Comment
  NY43167  Gnaphalium californicum J. B. Walker 1995-6-6 1436 Los Angeles Santa Catalina Island, Lower Cape Canyon, hillside above buffalo corrals 280 Comment
  RSA653288  Gnaphalium californicum Kelly Middleton, David Middleton 1988-5-23 28 Los Angeles Glendora Ridge Road, 8.0 miles north of Glendora Mountain Road and Sierra Madre Blvd. in Glendora 1067 Comment
  RSA657362  Gnaphalium californicum Joseph M. Keefe 1978-5-23 23210 Los Angeles Verdugo Mountains: Near path, 30 meters east of Cafeteria, Glendale College, 1500 North Verdugo Road, Glendale College, Glendale, San Rafael Mountains. 265 Comment
  IRVC29585  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26193 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  RSA640254  Gnaphalium luteoalbum R. F. Thorne 1971-4-23 41478 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  RSA550415  Gnaphalium palustre Timothy S. Ross 1992-7-10 6655 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater Canyon & Wickiup Canyon. 967 Comment
  RSA202455  Gnaphalium ramosissimum R. L. Armacost 1963-5-7 1612 Los Angeles Malibu to Old Topanga [Canyon]. Comment
  CAS-BOT-BC110279  Grayia spinosa D. B. Dunn 1947-4-16 2935 Los Angeles 1 mile north of Palmdale. Mohave Desert. Comment
  CAS-BOT-BC305267  Grindelia hirsutula John Thomas Howell 1931-5-29 6563 Los Angeles Hills of Santa Monica Mts. at Santa Monica Comment
  JEPS54102  Guillenia lasiophylla Frank W. Peirson 1919-5-27 327 Los Angeles hills w Arroyo Seco; San Gabriel Mountains 426 Comment
  SEINET7047930  Guillenia lasiophylla Steven R. Hill, Kate Kramer 2001-4-22 33381 Los Angeles South side of California Route 138 (Pearblossom Highway) just east of Palmdale and about 1 mile west of Little Rock; west side of Little Rock Wash. Elevation about 2820 feet. Comment
  UC450852  Gutierrezia sarothrae Fay A. Macfadden 1931-7-8 3081 Los Angeles Pacoima Canyon San Fernando Valley Comment
  SBBG127526  Hainardia cylindrica M. L. Hoefs, S. A. Junak, M. Gay 1997-6-6 2786 Los Angeles upper Buffalo Springs reservoir 435 Comment
  SBBG117132  Harpagonella palmeri S. A. Junak with R. N. Philbrick 2001-5-17 SCa 1529 Los Angeles E of Little Harbor, near Sheep Chute Ridge Rd, ca. 0.5 mi from intersection with Little Harbor Rd 121 Comment
  CAS-BOT-BC307292  Hazardia squarrosa var. grindelioides Prof. W. R. Dudley 1907-11-21 s.n. Los Angeles Near Monrovia Comment
  LA105285  Hazardia squarrosa var. grindelioides Barry A. Prigge; 1988-10-8 8365 Los Angeles Santa Susana Mountains, East Canyon, ca 2 mi.SSE of Newhall and from the mouth of the canyon at The Old Road to ca 1/8 mi. up canyon 444 Comment
  RSA90644  Hazardia squarrosa var. grindelioides F. W. Peirson 1918-10-26 227 Los Angeles Big Dalton Canyon, south base of San Gabriel Mts 732 Comment
  CAS-BOT-BC306644  Helenium bigelovii F. Grinnell Jr. 1917-8-31 s.n. Los Angeles On Mt Islip, San Gabriel Mountains Comment
  RSA3608  Helianthemum scoparium var. vulgare C. B. Wolf 1932-5-13 3625 Los Angeles Santa Catalina Island. Hillside south of largest Reservoir, 3.5 mi. (by road) from Avalon on way to Isthmus. 365 Comment
  RSA441779  Helianthemum scoparium var. vulgare G. R. Johnstone 1929-7-4 14208 Los Angeles Griffith Park. Comment
  CAS-BOT-BC305426  Helianthus annuus Lewis S. Rose 1946-12-21 46295 Los Angeles Los Angeles, Franklin Canyon Comment
  JEPS30479  Helianthus gracilentus Henry J. Thompson 1959-5-2 1977 Los Angeles Yerba Buena Road 1.2 mi w of junction with Mulholland Highway; Santa Monica Mountains 609 Comment
  SBBG126038  Helianthus gracilentus A. Parikh, N. Gale 2010-5-24 3211 Los Angeles Sierra Pelona, 5.0 km W of State Hwy 14, 1.6 km SW of California Aqueduct 1005 Comment
  SBBG31378  Heliotropium curassavicum R. F. Thorne with P. C. Everett 1965-5-11 34558 Los Angeles behind N beach at Little Harbor 1 Comment
  RSA713814  Hemizonia fasciculata A. C. Sanders, T. B. Salvato 2005-5-24 30272 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area. ca. 0.5 mi. NW of community of Mint Canyon 549 Comment
  UCR258729  Hemizonia fasciculata R. G. Swinney 2010-6-23 13350 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
  UCR65220  Hemizonia fasciculata F. R. Fosberg 1931-5-21 S- 04930 Los Angeles Channel Islands, Santa Catalina Island, Parson's Landing 20 Comment
  POM360273  Hemizonia fasciculata Wm. Martin, B. Gustafson 1971-7-14 s.n. Los Angeles Corner of Jefferson and Rodeo Blvd., Los Angeles. Comment
  RSA724471  Hesperolinon micranthum K. Dobry 1990-3-25 232 Los Angeles Simi Hills at Dayton Canyon. Comment
  SBBG58711  Hesperoyucca whipplei R. Hoffmann 1928-9-11 Los Angeles near Acton Comment
  CATA295  Heteromeles arbutifolia Mark L. Hoefs 1973-6-4 314 Los Angeles Santa Catalina Island: By road on southeast side of Wrigley Memorial, upper Avalon Canyon 121 Comment
  RSA0072471  Heteromeles arbutifolia R. J. Smith 1934-5-24 s.n. Los Angeles Santa Catalina Island. Comment
  UCR124403  Heteromeles arbutifolia var. macrocarpa B. C. Templeton 1968-2-25 11397 Los Angeles Channel Islands, Santa Catalina Island, near the isthmus 76 Comment
  RSA0074502  Heterotheca fastigiata Henry J. Ramsey, Henry J. Ramsey 1937-8-19 1912 Los Angeles San Gabriel Wash. Comment
  CAS-BOT-BC318862  Heterotheca grandiflora C. B. Wolf 1931-5-13 2002 Los Angeles Pacoima Wash near bridge on the road from Tujunga to San Fernando 365 Comment
  RSA0075835  Heterotheca grandiflora I. W. Clokey, E. G. Anderson 1931-3-11 5320 Los Angeles San Gabriel Canyon. Comment
  CAS-BOT-BC48131  Heuchera elegans A. D. E. Elmer 1902-6-1 3687 Los Angeles Acton, Mt. Gleason Comment
  RSA0063091  Heuchera elegans Mark Elvin, Anne Marie Ruff 1996-8-1 294 Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road (gate). South side of road on curve. Comment
  RSA0063111  Heuchera elegans Orlando Mistretta, Mark Elvin 1995-5-10 1698 Los Angeles San Gabriel Mountains. Bare Mountain Canyon, West Fork. 1540 Comment
  RSA0063244  Heuchera elegans F. W. Peirson 1924-5-27 4639 Los Angeles San Gabriel Mountains. North slope, Strawberry Peak. 1753 Comment
  UC1069610  Hieracium argutum Jerome S. Horton 1937-8-6 490 Los Angeles East Fork San Dimas Canyon Cucamonga Quad., East Fork San Dimas Canyon Comment
  UCD115076  Hirschfeldia incana Elizabeth Boncimino 1993-5-4 s.n. Los Angeles Eddleston Park, Northridge. 426 Comment
  RSA85269  Holodiscus discolor Raymond J. Dobbs 1924-7-8 5390 Los Angeles Along trail 2 miles below Switzer's Camp, San Gabriel Mts. 762 Comment
  UCSB41308  Holodiscus discolor var. microphyllus Miller, Brian 1960-7-7 Los Angeles Dawson Saddle, San Gabriel Mountains 2377 Comment
  RSA602801  Holodiscus microphyllus Louis C. Wheeler 1967-9-13 10739 Los Angeles San Gabriel Mountains: West Baldy. 3043 Comment
  UCR271580  Hordeum brachyantherum R. G. Swinney 2011-6-23 15289 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCR51317  Hordeum murinum A. C. Sanders 1988-2-3 7598 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  RSA534141  Hordeum murinum subsp. glaucum Timothy S. Ross, Orlando Mistretta, M. Hammit 1991-5-17 5073 Los Angeles San Clemente Island: Lower Wilson Cove Canyon; bouldery, rocky draw SW of and above pier operations. 15 Comment
  RSA594452  Hordeum murinum subsp. glaucum D. L. Banks 1996-3-25 863 Los Angeles Claremont; Oakwood Apartments; 580 S. Bucknell Avenue; W side of street across from the Apartment complex. On disturbed ground between the sidewalk and school playground. Comment
  LA33401  Hordeum vulgare Peter H. Raven; 1959-5-3 14097 Los Angeles Santa Monica Mountains, Mulholland Drive at Laurel Pass 350 Comment
  RSA0036151  Hordeum vulgare David Charlton 1991-5-27 5301 Los Angeles Mojave Desert Jct. 90th and C st. west of Palmdale and south of Little Rock on road to Edwards AFB. 944 Comment
  RSA612831  Horkelia cuneata Louis C. Wheeler 1933-5-16 1737 Los Angeles Mouth of Sepulveda Canyon 122 Comment
  RSA451643  Horkelia cuneata subsp. puberula Louis Greata 1901-03 2097 Los Angeles near Eaton Canyon. Comment
  CAS-BOT-BC537280  Horkelia cuneata var. cuneata Peter H. Raven 1959-4-18 13998 Los Angeles Santa Monica Mountains, Point Dume 24 Comment
  CAS-BOT-BC213016  Hosackia crassifolia I. M. Johnston 1917-7-1 1751 Los Angeles near Browns Flats 1371 Comment
  RSA650959  Hymenoclea salsola Marion P. Harthill 1976-11-9 s.n. Los Angeles Mojave Desert, Hwy N4. 1067 Comment
  RSA772422  Hymenoclea salsola R. G. Swinney 2009-4-29 10613 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  CAS-BOT-BC311532  Isocoma acradenia var. acradenia Ernest C. Twisselmann 1970-9-8 17500 Los Angeles Antelope Valley: Avenue A at 50th Street West 731 Comment
  SBBG13717  Isocoma menziesii E. R. Blakley 1961-9-23 4719 Los Angeles SE side of Catalina Harbor 15 Comment
  SBBG30357  Isocoma menziesii R. N. Philbrick 1968-2-24 B 68 -10 Los Angeles N side of Catalina Harbor toward Wells Beach Comment
  HSC81276  Isocoma menziesii var. vernonioides F. R. Fosberg 1930-11-11 4179 Los Angeles Templeton, S. Prente 100 Comment
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Jun 26 2015
  POM290288  Isocoma menziesii var. vernonioides Lyman Benson 1933-11-12 5732 Los Angeles Beverly Glen, Beverly Hills, Pacific Ocean Watershed. 244 Comment
  POM359490  Isocoma menziesii var. vernonioides F. R. Fosberg 1931-9-16 5684 Los Angeles Baldwin Hills. 50 Comment
  RSA5540  Isocoma menziesii var. vernonioides C. B. Wolf 1932-10-4 4223 Los Angeles Santa Catalina Island. Near base of cliff along road to Pebbly Beach, 1/4 mile from Avalon. 8 Comment
  SJSU13689  Isocoma menziesii var. vernonioides C. W. Sharsmith 1946-10-18 5496 Los Angeles near head of Beverly Glen, Santa Monica Mts 304 Comment
  UCR213405  Isomeris arborea A. C. Sanders, Dan S. Cooper 2010-3-12 37338 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR100433  Jaumea carnosa Scott D. White 1997-11-5 6012 Los Angeles Malibu Coast, Mouth of Trancas Canyon, north of Pacific Coast Hwy (= Calif. Hwy 1) 8 Comment
  CAS-BOT-BC101891  Juglans californica Tim Ross 1992-6-15 6589 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): un-named canyon draining ENE toward Orange 335 Comment
  CAS-BOT-BC101902  Juglans californica Le Roy Abrams; E. A. McGregor 1908-7-5 691 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains 914 Comment
  UCR282022  Juglans californica R. G. Swinney 2014-5-21 16613 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  RSA0011182  Juglans californica Peter H. Raven 1960-5-15 15361 Los Angeles Piuma Road 2.1 miles E of Rambla Pacifica; Santa Monica Mts. 488 Comment
  RSA616137  Juglans californica var. californica Louis C. Wheeler 1967-5-18 9631 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  UC5319  Juglans californica var. californica Brewer 65 Los Angeles Sierra Santa Monica Comment
  UCR209194  Juglans nigra A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37164 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 69 Comment
  CAS-BOT-BC110036  Juncus acutus Peter H. Raven; Henry J. Thompson 1959-10-4 14556 Los Angeles Santa Monica Mountains. Coast Highway opposite Canfield's Pacific Palisades. 12 Comment
  SBBG12067  Juncus acutus E. R. Blakley 1961-9-24 4784 Los Angeles Little Springs Cyn 15 Comment
  CATA3184  Juncus acutus subsp. leopoldii Julie L. King 2016-10-26 14 Los Angeles Santa Catalina Island: End of Old West End Rd., ca. 350 meters from junction with West End Rd., drainage crossing old road 107 Comment
  RSA177696  Juncus acutus subsp. leopoldii Robert F. Thorne, Percy C. Everett 1965-5-11 34651 Los Angeles Santa Catalina Island. Small pond behind Cottonwood Dam in Cottonwood Canyon. 46 Comment
  SBBG77282  Juncus balticus F. R. Fosberg 1931-4-15 4619 Los Angeles Middle Ranch Cyn 180 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
  RSA611979  Juncus effusus subsp. austrocalifornicus Valerie Soza, Laura Moore 1997-8-16 56 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: at center of BFS; ca. 10 feet east of fire road. 412 Comment
  RSA752574  Juncus effusus subsp. austrocalifornicus Justin M. Wood 2009-4-22 535 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  RSA530057  Juncus macrophyllus Timothy S. Ross 1991-8-16 5852 Los Angeles Horse Flats, San Gabriel Mountains. 1713 Comment
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Sep 24 2014
  SBBG98501  Juncus patens T. Ross 1991-5-21 5405 Los Angeles E fork of Box Cyn near its jct with the W fork 451 Comment
  RSA646280  Juncus rugulosus Orlando Mistretta 1992-7-14 716 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  UCR240002  Juncus rugulosus R. G. Swinney 2009-11-9 11586 Los Angeles Transverse Range; San Gabriel Mountains, confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  UCR258616  Juncus rugulosus R. G. Swinney 2010-6-23 13331 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  RSA517173  Juncus textilis Timothy S. Ross, Orlando Mistretta 1990-10-16 3280 Los Angeles San Gabriel Mountains: Mt Baldy Ranger District, Angeles National Forest. Cape Horn Canyon. 610 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
  UC1133743  Juncus textilis Jerome S. Horton 1936-9-18 410 Los Angeles Tanbark Flats San Dimas Experimental Forest, Pomona Quad. 792 Comment
  SD215326  Juncus torreyi Steve Boyd, Lauren Raz 1996-10-14 9087 Los Angeles Liebre Mountains region, southwest end of Quail Lake, in seasonally flooded depression on south side of Highway 138. Swale area about overflow from lake. 1021 Comment
  UCR209128  Juncus torreyi R. G. Swinney 2008-6-25 9102 Los Angeles San Gabriel Mountains, Glendora, Harrow Canyon Debris Basin, seep on north-central side 387 Comment
  UCR239972  Juniperus californica R. G. Swinney 2009-11-18 11659 Los Angeles Transverse Range; San Gabriel Mountains, summit of Oracle Hill, 1 air mi. ESE of junction of Angeles Forest Hwy & Soledad Canyon 1310 Comment
  SEINET6086258  Juniperus californica Unknown 1996-4-25 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  UCR277191  Juniperus osteosperma R. G. Swinney 2011-4-19 14418 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  CAS-BOT-BC235637  Keckiella breviflora var. breviflora Dr. A. Davidson 1892-7-1 s.n. Los Angeles Lancaster; Mojave Desert Comment
  CHSC100240  Keckiella cordifolia John Dittes 2006-5-30 1383 Los Angeles Western Transverse Range; San Gabriel Mtns; Big Tujunga Cyn.; ca. 3.7 air-miles northeast of Verdugo Hills High School, ca. 2.5 air-mile southwest of Condor Peak., ca. 2.5 air-miles south x southeast of Mt. McKinley; slope above Trail Canyon Creek, north of Big Tujunga Rd. 528 Comment
  POM158262  Keckiella cordifolia M. B. Dunkle 1928-5-28 1968 Los Angeles Avalon Canyon, Santa Catalina Island. 46 Comment
  RSA401758A  Keckiella cordifolia F. R. Fosberg 1931-4-14 S- 4605 Los Angeles Eagles Nest. Middle Ranch Canyon, Santa Catalina Island. 180 Comment
  SEINET12269346  Keckiella ternata M. T. Doutt 1931-1 639 Los Angeles Sierra Madre Mts., trail between Mt. Lowe & Mt. Wilson Comment
  NY790430  Keckiella ternata subsp. ternata T. S. Elias 1984-6-30 8498 Los Angeles Angeles National Forest; near Mt. Baldy Village; along trail to Sunset Peak 1371.6 Comment
  RSA79749  Keckiella ternata subsp. ternata F. W. Peirson 1918-8-6 263 Los Angeles Martins Camp, Mt. Wilson, San Gabriel Mountains. 1677 Comment
  UCD168231  Kochia prostrata 2015-1-1 s.n. Los Angeles Antelope Valley [UTM convert by label maker]. 750 Comment
  RSA529907  Koeleria macrantha Timothy S. Ross 1991-8-16 5816 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  UC519736  Lactuca serriola Joseph Andorfer Ewan 1932-7-11 7471 Los Angeles Ingraham Street Los Angeles (in garden) Comment
  UCR258590  Lactuca serriola R. G. Swinney 2010-8-11 13515 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 100-200 m below Chantry Flats on Chantry Flat Trail/Rd. 598 Comment
  RSA592436  Lamarckia aurea L. C. Wheeler 1967-5-13 9515 Los Angeles San Gabriel Mountains. West side of Little Dalton Canyon, Glendora Mt. Road. 480 Comment
  LA12436  Lamarckia aurea Harlan Lewis; 1941-4-6 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  UCR138696  Lantana montevidensis L. C. Wheeler 1968-4-13 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Bluebird Ranch 434 Comment
  RSA652702  Lantana montevidensis Phillip Robinson 1991-5-12 361 Los Angeles Sycamore Canyon, 0.25 miles south of intersection of Beverly Blvd and Workman Mill. 0.8 miles east of Workman Mill Road on trail into Canyon. [City of Industry, SW of Rio Hondo College, east of 605 Fwy.] Comment
  LA209851  Larrea tridentata Carl Epling; M. Epling May 1925 sn Los Angeles Palmdale, 3 mi. SW Comment
  POM12256  Lastarriaea coriacea F. L. Robinson 1921-6-2 94 Los Angeles Between Claremont and Upland Comment
  CAS-BOT-BC352909  Lasthenia coronaria Alice Eastwood 1906-5-27 270 Los Angeles Roscoe Comment
  RSA590340  Lasthenia gracilis Timothy S. Ross 1993-4-21 6854 Los Angeles Santa Catalina Island, SW part of the Island in the vicinity of Cactus Peak (1560ft), slope and small ridges N of Cactus Peak summit 427 Comment
  SBBG13286  Lasthenia gracilis M. A. Piehl 1962-6-9 62317 a Los Angeles head of cyn just below (N of) Chenity (S of Mosquito Cove) 304 Comment
  UC2061409  Lasthenia gracilis Rachael L. Olliff Yang with Ellery Mayence, Ana Penny, Lynn Yamashita, Bridget Wessa 2017-4-17 6 Los Angeles Tejon Ranch. Mojave Side. In the Garden District, on a hillside mixed in with Chaenactis glabriuscula. Comment
  UC2061411  Lasthenia gracilis Rachael L. Olliff Yang with Ellery Mayence, Ana Penny, Lynn Yamashita, Bridget Wessa 2017-4-17 5 Los Angeles Tejon Ranch. Mojave Side; close to 290th Street Gate (Loomis Gate). Comment
  UC1587207  Lasthenia gracilis Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5331 Los Angeles between Box and Horse Canyons; w side San Clemente Island 484 Comment
  RSA585671  Lathyrus latifolius T. S. Ross 1990-6-11 3342 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon. 1255 Comment
  SFV20853  Lathyrus vestitus L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 717 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. On west descending ridge down into Brand Canyon on east side of Brand Canyon. 576 Comment
  RSA405693  Lathyrus vestitus subsp. laetiflorus I. W. Clokey, B. C. Templeton 1929-03 4463 Los Angeles Mandeville Canyon, Santa Monica Mountains. 300 Comment
  POM155760  Lathyrus vestitus subsp. laevicarpus M. L. Bryan 1928-3-2 60 Los Angeles Mandeville Canyon, near Santa Monica Comment
  RSA678696  Lavatera assurgentiflora Mark A. Elvin, Orlando Mistretta 1996-3-22 116 Los Angeles San Clemente Island Comment
  RSA305930  Layia platyglossa subsp. campestris Fay A. MacFadden 1933-5-4 s.n. Los Angeles Tejunga Wash, Roscoe Comment
  POM361670  Layia platyglossa subsp. campestris Anstruther Davidson 1897-05 2025 Los Angeles San Gabriel Mountains Comment
  RSA158322  Layia platyglossa subsp. campestris Peter H. Raven 1962-4-10 17237 Los Angeles San Clemente Island. Gully to west side of island about 1.5 miles north of Thirst. 457 Comment
  SDSU11836  Lemna cyclostasa A. H. Gallup 1949-3-5 326 Los Angeles Lacsa, in quiet water below lake. 152 Comment
  SEINET7844098  Lepechinia fragrans James Henrickson, Barry Prigge 18843 Los Angeles Santa Monica Mountains: ca. 5 mi S of Hwy 101 off Topanga Canyon Rd. Comment
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Oct 1 2019
  UCR146521  Lepechinia fragrans Scott D. White 2004-9-3 10744 Los Angeles San Gabriel Mountains, 'Grizzly Flat' c. 1 air mi N of Angeles Crest hwy and c. 1 air mi south of Big Tujunga Cyn. Rd. (Condor Peak) 854 Comment
  RSA49396  Lepidium flavum P. A. Munz 1949-4-26 13085 Los Angeles Near Phelan, Mojave Desert 945 Comment
  UC1076213  Lepidium flavum H. L. Mason 1932-4-1 6863 Los Angeles 1 mi e Lancaster Comment
  HSC6819  Lepidium fremontii C. S. Apperson 1966-3-30 Los Angeles Tujunga wash, 1 mi. E of Hansen dam on Foothill Blvd. Comment
  RSA249733  Lepidium nitidum R. F. Thorne, M. Z. Thorne 1973-2-12 42471 Los Angeles Santa Catalina Island. N of Marine Science Station at Fisherman s Cove. 46 Comment
  UC1922648  Lepidium virginicum var. pubescens Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1157 Los Angeles Transverse Ranges; Verdugo Mountains region; Ridgetop above McDonald Creek. 457 Comment
  CAS-BOT-BC329381  Lepidospartum latisquamum Frank W. Peirson 1928-9-5 8194 Los Angeles Swartout Valley [this sp. also found in Sheep Creek] 2011 Comment
  RSA650944  Lepidospartum squamatum Brent Mishler 1977-10-11 s.n. Los Angeles San Gabriel River wash, Irwindale. Comment
  SFV17994  Lepidospartum squamatum J. N. Hogue 1999-8-26 149 .1 Los Angeles Santa Monica Mountains Triunfo Canyon at Lake Enchanto. Peter Strauss Ranch. 230 Comment
  UC303735  Leptodactylon pungens I. Johnston 1917-7-3 1411 Los Angeles Upper San Antonio 2286 Comment
  SBBG131688  Leptosiphon bicolor S. A. Junak 1999-4-24 SCa 869 Los Angeles E of Empire Landing Rd 213 Comment
  POM364546  Leptosiphon breviculus H. de Forest 1931-06 s.n. Los Angeles Along Ridge Route. Comment
  RSA588736  Leptosiphon breviculus Orlando Mistretta 1994-5-31 1283 Los Angeles San Gabriel Mountains: Santiago Canyon. N slope of Pacifico Mtn. 2076 Comment
  UCD118801  Leptosiphon ciliatus C. Davidson 1967-3-23 734 Los Angeles E side of San Gabriels, 2.5 miles SE of Valyermo on County N4. 1341 Comment
  SDSU21092  Leptosiphon liniflorus Ian Cain, Bruce Lund 2010-5-10 1401 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
  RSA612151  Leptosiphon pygmaeus subsp. pygmaeus Steve Boyd, Kent Hughes 1998-5-5 10180 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail. 1158 Comment
  UCSB33299  Leptosyne bigelovii Griesel, Wesley 1962-4-14 Los Angeles Little Rock Dam, desert foothills of San Gabriel Mts. 1036 Comment
  JEPS20558  Lessingia glandulifera var. glandulifera Frank W. Peirson 1918-10-26 294 Los Angeles San Gabriel Mountains, Big Dalton Canyon 609 Comment
  CAS-BOT-BC339559  Lessingia glandulifera var. peirsonii Ernest C. Twisselmann 1966-9-8 12787 Los Angeles San Emigdio Range and the Mt. Pinos Region. Castaic Valley 1188 Comment
  CAS-BOT-BC283779  Leymus cinereus Roxana S. Ferris 1918-6-12 905 Los Angeles Desert road between Oban and Lancaster Comment
  RSA187985  Leymus condensatus R. F. Thorne, Percy C. Everett 1965-6-22 34869 Los Angeles Santa Catalina Island: along Upper Pebble [Pebbly] Beach road 30 Comment
  RSA365308  Leymus condensatus George B. Grant 1902-6-25 1081 Los Angeles San Gabriel Canyon. Comment
  RSA561599  Leymus condensatus Steve Boyd, Walter Appleby 1993-5-24 8168 Los Angeles Seepages along upper end of Wilson canyon Rd, S of Wilson Canyon Saddle and E of the communication facility 944 Comment
  RSA587496  Leymus condensatus Orlando Mistretta 1994-9-13 1470 Los Angeles Santiago Canyon; Santiago Creek near junction of Forest Road 4N20 and BM 3980. 1213 Comment
  RSA738074  Leymus condensatus Margaret Tucker 1966-6-4 s.n. Los Angeles San Rafael Hills-Montrose Comment
  UCD34116  Leymus condensatus Beecher Crampton 1976-9-21 9412 Los Angeles Los Angeles County, ca. 10 miles east of Saugus on state Hwy. 14, Agua Dulce Canyon area. Comment
  UCR132294  Lilium humboldtii S. J. Myers 2003-6-24 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Propul. Laboratory 381 Comment
  UCD139731  Lilium humboldtii subsp. ocellatum Natalie deGarder 1992-5-30 25 Los Angeles 1.5 miles off Freeway 210 up Lincoln to Risinghill, down 0.25 mile to stream. 589 Comment
  CAS-BOT-BC226765  Linanthus californicus V. June Wetherell; C. F. Quibell 1960-4-29 242 Los Angeles Angeles National Forest, along road to Crystal Lake Recreation Area Comment
  CHSC3699  Linanthus californicus Mary Mac Arthur 1966-4-28 7 Los Angeles San Franciskito. 304 Comment
  LA206672  Linanthus californicus W. R. Ernst; May 1977 sn Los Angeles San Gabriel Mountains, San Gabriel Canyon Comment
  RSA0112023  Linanthus californicus Richard G. Swinney 2011-5-16 14724 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
  RSA11020  Linanthus californicus C. B. Wolf 1928-4-1 1608 Los Angeles Santa Susanna Pass. 1/2 mi. from summit. Comment
  RSA468446  Linanthus californicus Robin S. Collins 1973-5-15 281 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon. 609 Comment
  RSA545247  Linanthus dianthiflorus subsp. dianthiflorus D. Propst, Mark Hoefs 1973-3-3 39 Los Angeles Santa Catalina Island, airport road just below airport. 488 Comment
  RSA597772  Linanthus dichotomus Steve Boyd, Lauren Raz 1997-3-14 9184 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
  JEPS58539  Linanthus parryae Frank W. Peirson 1921-5-20 940 Los Angeles Little Rock Creek San Gabriel Mountains 1066 Comment
  RSA0030713  Linanthus parryae Pam De Vries 2014-3-25 7871 Los Angeles Mojave Desert (West); Near the town of Antelope Acres in an open field on the west side of 90th St, one mile south of Hwy 138. 735 Comment
  RSA515167  Linanthus parryae Steve Boyd, Orlando Mistretta 1986-3-31 1538 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  SBBG13057  Linanthus parryae E. R. Blakley 1958-5-10 2281 Los Angeles 14 mi E of Quail Lake on St Hwy 138 914 Comment
  SEINET12279114  Linanthus parryae I. Tavares, Brinson, V. 1962-1 290 Los Angeles On Hwy 138, 26 mi E of Palmdale 1036 Comment
  RSA400300  Linaria canadensis var. texana Bonnie C. Templeton 1939-4-26 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  UCR217134  Linaria canadensis var. texana R. G. Swinney 2009-3-20 10138 Los Angeles San Gabriel Mtns. Foothills, Azusa/Irwindale, mouth of San Gabriel River Canyon, 100-400 m north of I-210 Fwy, 300 m east of the river channel 177 Comment
  SEINET5344334  Linaria canadensis var. texana I. W. Clokey, B. Templeton 1929-1 4505 Los Angeles Mandeville Canyon, Santa Monica Mountains 350 Comment
  SFV18161  Linaria maroccana P. M. Schiffman 2001-4-29 s. n. Los Angeles Verdugo Mountains Directly north of La Tuna Canyon Road and 210 Freeway. Approximately 25 m north of road on very steep, more or less south facing slope of decomposing granite. 488 Comment
  UCR199960  Lithophragma affine subsp. mixtum Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1154 Los Angeles Transverse Ranges: Verdugo Mountains, ridgetop above McDonald Creek 396 Comment
  SEINET6032582  Lithophragma heterophyllum I. W. Clokey, E. G. Anderson 1935-5-9 6668 Los Angeles San Dimas Canyon Comment
  UCR95299  Lithophragma parviflorum Steve Boyd, Orlando Mistretta 1996-5-1 8755 Los Angeles San Gabriel Mtns, Liebre Mtns, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08 1561 Comment
  RSA659497  Lobelia cardinalis subsp. graminea Chris White 1991-5-20 24 Los Angeles Point Fermin. Comment
  UCR243012  Lobelia dunnii var. serrata R. G. Swinney 2009-8-6 11509 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  UCR61569  Lobelia dunnii var. serrata R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon. Lewis Paul Falls 518 Comment
  SFV6169  Lobularia maritima R. M. Muran 1974-2-12 20 Los Angeles Santa Monica Mountains Open field in Mandeville Canyon area south of Mulholland Drive. 427 Comment
  UCR108174  Lobularia maritima Jeanne Gural, V. Soza, M. E. Siqueiros D. 1997-3-8 22 Los Angeles Bernard Field Station [Claremont], of the Claremont Colleges, located on the NW corner of Mills Ave. and Foothill Blvd. 412 Comment
  CAS-BOT-BC342188  Logfia filaginoides Le Roy Abrams 1901-4-3 1300 Los Angeles Santa Monica Mts. 304 Comment
  CAS-BOT-BC271182  Lolium temulentum D. L. Crawford 1916-5-20 s.n. Los Angeles Mts. above Claremont Comment
  RSA594753  Lomatium dasycarpum subsp. dasycarpum T. S. Ross 1995-4-7 8368 Los Angeles 'OLD RIDGE ROUTE'': 2.9 road miles NNW of its intersection with Templin Highway; ca. 1840 m WNW of the confluence of Castaic Creek and Fish Canyon. 927 Comment
  SBBG59722  Lomatium lucidum M. N. Ackley -Feb-1928 1113 Los Angeles Eagle Rock 304 Comment
  UCR273271  Lomatium lucidum R. G. Swinney 2011-5-10 14651 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  UCSC001451  Lomatium mohavense Peter Kamb 1948-5-6 964 Los Angeles desert foothills of the San Gabriel Mts. above Little Rock Little Rock, San Gabriel Mts 975 Comment
  SBBG59784  Lomatium nevadense R. Hoffmann 1929-5-22 Los Angeles hills above Elizabeth Lake Comment
  SEINET12118935  Lomatium utriculatum J. F. Bright, Wyman, C. 1933-1 8359 Los Angeles Antelope Valley Comment
  RSA452153  Lomatium vaginatum Anstruther Davidson 1890-04 s.n. Los Angeles [no locality information provided] Comment
  RSA198821  Lonicera hispidula var. vacillans R. F. Thorne 1968-5-27 37624 Los Angeles Santa Catalina Island; in upper Skull Canyon 305 Comment
  CAS-BOT-BC240746  Lonicera interrupta Dr. H. E. Hasse 1893-5-1 s.n. Los Angeles Acton Comment
  RSA709579  Lonicera interrupta A. C. Sanders, Helen Kennedy 2005-4-13 29468 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between mint and Plum Canyons. 457 Comment
  CSUSB997  Lonicera japonica Anna Mayers 1978-5-14 Los Angeles Hollywood Hills, Griffith Park, off Bronson in the city of Los Angeles Comment
  UCR260612  Lonicera subspicata R. G. Swinney 2010-8-9 13463 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  CAS-BOT-BC234860  Lonicera subspicata var. denudata L. A. Greata 1900-9-23 s.n. Los Angeles Eagle Rock Canon [Canyon] Comment
  LA82087  Lonicera subspicata var. denudata O. H. Kappler; 1940-6-9 51 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA547468  Lonicera subspicata var. denudata T. S. Ross, Orlando Mistretta 1992-7-24 6739 Los Angeles San Gabriel Mountains; NNE of Strawberry Peak between Coldwater and Wickiup Canyons. 987 Comment
  RSA608895  Lonicera subspicata var. denudata L. C. Wheeler 1931-5-1 s.n. Los Angeles Claremont: College Way. Comment
  UCR125897  Lotus A. C. Sanders, Mark Elvin, et al 2002-6-26 25298 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River about 0.25 mile downstream from large natural spring at north foot of 'Airport Mesa' and c. 0.75 mile above Castaic Creek confluence, c. 1 mi. SW of Castaic Junction 305 Comment
  SEINET4035308  Lotus argophyllus var. argenteus M. B. Dunkle 1939-1 7200 Los Angeles Southeast coast, San Clemente Island. Comment
  SEINET957157  Lotus argophyllus var. argophyllus J. E. Deisler 1984-1 Los Angeles Santa Catalina Island; on hill south of USC Marine Station, overlooking the ocean to the east. Comment
  RSA188542  Lotus crassifolius var. crassifolius R. F. Thorne 1965-8-26 35362 Los Angeles near top of Blue ridge SE of Holiday hill Ski lift; 2470 Comment
  UCR126889  Lotus humistratus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, and others 2003-4-29 26155 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
  RSA755967  Lotus humistratus Orlando Mistretta, Christine Mistretta 2008-4-4 2312 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
  UC80860  Lotus nevadensis var. davidsonii Dr. A. Davidson Aug 1892 Los Angeles Wilson Peak Comment
  POM7440  Lotus oblongifolius C. F. Baker 1904-06 5059 Los Angeles Claremont. Comment
  RSA60293  Lotus oblongifolius var. oblongifolius G. R. Campbell 1948-5-13 591 Los Angeles just below fire station, San Dimas Canyon 610 Comment
  RSA772392  Lotus procumbens R. G. Swinney 2009-5-12 10717 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg.) of Littlerock. 1061 Comment
  RSA188212  Lotus salsuginosus R. F. Thorne, P. C. Everett 1965-6-23 34947 Los Angeles Santa Catalina Island. Ben Weston Beach, W side of island. Comment
  UC186833  Lotus salsuginosus Samuel B. Parish Jun 1887 1891 Los Angeles San Francisquito Canyon Comment
  RSA674275  Lotus salsuginosus var. salsuginosus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 710 Los Angeles South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 576 Comment
  UCR271918  Lotus salsuginosus var. salsuginosus R. G. Swinney 2010-3-24 12050 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
  RSA709837  Lotus scoparius A. C. Sanders 2003-4-28 26087 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon. 427 Comment
  RSA406839  Lotus scoparius Anstruther Davidson 1892-05 s.n. Los Angeles Los Angeles. Comment
  UCR130054  Lotus strigosus George K. Helmkamp, E. A. Helmkamp 1998-5-21 4050 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  UCR258830  Lotus strigosus R. G. Swinney 2010-4-23 12342 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA167093  Lotus strigosus W. G. Webb 1935-2-25 s.n. Los Angeles Eagle Rock Park Comment
  RSA549542  Lotus strigosus T. S. Ross 1992-4-27 6246 Los Angeles Claremont: S side of Indian Hill mesa, SW of RSA grounds 393 Comment
  RSA406263  Lotus unifoliolatus Anstruther Davidson 1930-1 s.n. Los Angeles Los Angeles Co. Comment
  SFV11226  Lotus wrangelianus D. K. Shayne 1966-3-9 116 Los Angeles Santa Susana Mountains Above Zelzah Street. Comment
  RSA748442  Lupinus Orlando Mistretta 1992-8-20 s.n. Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt. Gleason. Tujunga Ranger District. Comment
  RSA750017  Lupinus R. G. Swinney 1999-8-16 7662 Los Angeles Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  UC1129285  Lupinus albifrons F. H. Raymond 1930-1-6 16 Los Angeles Escondido Canyon; Triunfo Pass Quad., Escondido Canyon 335 Comment
  RSA407014  Lupinus albifrons var. eminens N. C. Cooper 1945-5-1 2176 Los Angeles Tapia Park area, Santa Monica Mountains. 305 Comment
  UCR43292  Lupinus andersonii David Charlton 1986-6-15 271 Los Angeles San Gabriel Mtns, Betweeen Blue Ridge Campground (1.5 air mi SSE of Bigpine) and the reservoir at the top of Chisolm Ski Run; along the reservoir maintenance road, 0.7 to 1.2 mi south of Angeles Crest hwy on Forest Road 3N06 2439 Comment
  RSA279113  Lupinus bicolor R. F. Thorne 1971-3-18 41498 Los Angeles Cobal Canyon, 3 miles N of Claremont. 502 Comment
  RSA496674  Lupinus bicolor A. C. Sanders 1988-4-3 7747 Los Angeles SW end Tehachapi Mountains, l mile NW of Gorman on gasline road, 0.4 mile above old highway. 1280 Comment
  SBBG127514  Lupinus bicolor M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-5 2847 Los Angeles upper end of rd to Toyon Beach 411 Comment
  SD215533  Lupinus bicolor Steve Boyd, Lauren Raz 1997-3-26 9374 Los Angeles Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 975 Comment
  SEINET3371871  Lupinus bicolor G. Rink 2011-6-1 10573 Los Angeles Chino Hills, northeast of La Brea, weedy place 259 Comment
  RSA563503  Lupinus bicolor T. S. Ross 1993-5-13 7131 Los Angeles Forest Service firebreak between Whitney Canyon and Los Pinetos Canyon, NNW of 3151-ft ridgetop knoll. 909 Comment
  POM350053  Lupinus bicolor subsp. microphyllus Geo. L. Moxley 1917-2-4 523 Los Angeles Van Nuys. Comment
  RSA101180  Lupinus bicolor subsp. tridentatus David B. Dunn, C. Epling 1946-4-19 2121 Los Angeles 5 miles S of LA Honor Farm Ridge. route Hwy 99 762 Comment
  RSA250389  Lupinus breweri var. grandiflorus R. F. Thorne, C. W. Tilforth, et al. 1972-8-11 42213 Los Angeles Flat summit of Mt. Waterman. 2409 Comment
  RSA407121  Lupinus chamissonis Richard Arnold 1984-8-10 1021 Los Angeles LAX dunes, Playa del Rey (El Segundo Blue survey) Area V2 Comment
  RSA619088  Lupinus densiflorus R. S. Woglum 1930-4-13 1474 Los Angeles North Hollywood Comment
  SEINET2062844 Image available Lupinus densiflorus var. lacteus Mary V. Hood 1945-5-1 2246 Los Angeles Tapia Park area, Santa Monica Mts. 762 Comment
  UC285025  Lupinus elatus P. A. Munz 1923-8-31 7677 Los Angeles Swartout Valley San Gabriel Mountains 2575 Comment
  UCSB22546  Lupinus elatus Wilken, Dieter 1968-7-9 Los Angeles Ridge south of Dawson Saddle; along trail to Throop Peak; San Gabriel Mtns. 2468 Comment
  UCR190103  Lupinus excubitus R. G. Swinney 1998-6-16 6980 Los Angeles San Gabriel Mtns., ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  UCR92672  Lupinus excubitus Scott D. White 1996-3-18 3841 Los Angeles Marina del Rey area, Ballona Creek, floodplain and adjacent N-facing slope, west of Lincoln Blvd. and south of Jefferson Blvd. 30 Comment
  RSA0073381  Lupinus excubitus subsp. austromontanus Mitch Provance, Callen Huff 2009-4-29 10684 Los Angeles Tehachapi Mountains: Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 0.6 mile north of Gorman; site PO1091. 1432 Comment
  CAS-BOT-BC216665  Lupinus excubitus subsp. hallii L. R. Abrams 1901-7-1 1849 Los Angeles Mount Wilson Comment
  UCR274620  Lupinus excubitus var. austromontanus Daisie Huang 2008-3-18 80318- 02 Los Angeles Along Gorman Post Road, near large 'Gorman' billboard 1120 Comment
  SEINET10970259  Lupinus excubitus var. hallii David B. Dunn 1957-5-18 Dunn RSA# 6454 x 8292 Los Angeles Plants 3 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd male parent () Parenthetic # is f, plant no. Seeds from open field, pollen. Comment
  RSA585954  Lupinus excubitus var. johnstonii T. S. Ross 1990-5-23 2616 Los Angeles Mt Gleason area: north-northwesterly ridge decending from Messenger Peak (6015 ft) near the headwaters of Mill canyon and Moody Canyon. 1720 Comment
  SBBG69108  Lupinus formosus R. Hoffmann 1927-6-14 Los Angeles Chandler's Comment
  UC1584913  Lupinus formosus Tim Ross, Steve Boyd 1991-7-24 5664 Los Angeles vicinity Granite Mountain (San Gabriel Mountains); Pacifico Mountain quad., San Gabriel Mts., Granite Mountain 1889 Comment
  POM306277  Lupinus formosus var. formosus H. J. Ramsey 1938-5-1 1401 Los Angeles Altadena, Eaton Canyon Park Comment
  RSA414782  Lupinus formosus var. formosus James Clizbe 1930-5-6 16055 Los Angeles Griffith Park, Los Angeles. Comment
  RSA104791  Lupinus guadalupensis Reid V. Moran 1941-2-18 587 Los Angeles San Clemente Island: Middle Ranch Creek 30 Comment
  CATA368  Lupinus hirsutissimus Mark L. Hoefs 1974-3-28 418 Los Angeles Santa Catalina Island: Upper Bulrush Canyon, near road, by reservoir 289 Comment
  RSA0114888  Lupinus hirsutissimus R. G. Swinney 2011-4-26 14479 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
  RSA598252  Lupinus hirsutissimus R. G. Swinney 1989-4-1 s.n. Los Angeles in and near Glendora Wilderness Park ; Big Dalton Canyon. 428 Comment
  UCR276790  Lupinus hirsutissimus R. G. Swinney 2011-3-29 14259 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
  UCR281361  Lupinus hirsutissimus R. G. Swinney 2014-5-15 16514 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  SEINET8042266  Lupinus hirsutissimus G. B. Grant 1904-5-4 727 Los Angeles Pasadena Comment
  CAS-BOT-BC211725  Lupinus longifolius Charlotte M. Hoak 1933-7-1 s.n. Los Angeles Pacific Palisades, Santa Monica Comment
  LA200469  Lupinus longifolius A. M. Johnson; 1934-4-20 4425 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UC527611  Lupinus longifolius C. B. Wolf 1931-6-25 2243 Los Angeles along Beverly Blvd. on grade leading down into Santa Monica Canyon; on grade leading down into Santa Monica Canyon 45 Comment
  RSA0034183  Lupinus microcarpus Pam De Vries 2013-4-17 7851 Los Angeles About 0.50 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1036 Comment
  RSA0118867  Lupinus microcarpus var. microcarpus A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32087 Los Angeles Transverse Range; Liebre Mtns. Region: 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon. 976 Comment
  SD186210  Lupinus microcarpus var. microcarpus Mark A. Elvin, Cathleen Weigand 2003-4-8 2455 Los Angeles Newhall Ranch, flats south of confluence of Hasley Canyon with Castaic Creek. 296 Comment
  SEINET10969734  Lupinus peirsonii Robert F. Thorne 1969-7-2 Thorne 38339 Los Angeles San gabriel mtns. Angeles national forest. Gravelly roadbank along angeles Crest hwy. Ca .5 mi s of dawson saddle. With eriogonum saxatile, etc. 2377 Comment
  SEINET3131618  Lupinus sparsiflorus G. B. Grant 1904-5-10 731 -6173 Los Angeles Pasadena Comment
  RSA250595  Lupinus sparsiflorus subsp. sparsiflorus R. F. Thorne 1967-3-23 41597 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1371 Comment
  CATA3026  Lupinus succulentus Amy Catalano 2016-3-11 032 Los Angeles Santa Catalina Island: Along Airport Road, about 170 meters north of KBRT/Airport Road junction, on west side of road 427 Comment
  SBBG95189  Lupinus succulentus M. B. Dunkle 1928-3-17 Los Angeles isthmus 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
  SEINET10837879  Lupinus succulentus Robert F. Thorne 1970-3-6 Thorne 39411 Los Angeles Santa catalina island. Indian rock in emerald bay. Coastal sage scrub with Lavatera assurgentiflora, eriophyllum nevinii, dudleya hassei, suaeda Californica, gasoul spp., Lycium californicum, coreopsis gigantea, atriplex Semibaccata, etc; annual with purplish-blue corollas. 15 Comment
  SEINET10870700  Lupinus succulentus David B. Dunn 1937-3-14 Dunn s.n. Los Angeles Palos verdes. Comment
  LA52451  Lupinus truncatus Carl Epling; 1931-3-21 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  LA82127  Lupinus truncatus O. H. Kappler; 1941-4-13 199 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA414386  Lupinus truncatus Richard C. Barkelew 1929-2-15 s.n. Los Angeles El Segundo. 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
  CAS-BOT-BC233480  Lycium californicum George B. Grant; Walter Wheeler 1904-4-21 H 2447 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  CATA209  Lycium californicum Mark L. Hoefs 1973-4-15 191 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  JEPS12425  Lycium cooperi J. B. Davy 1896-5-17 2309 Los Angeles near Little Creek (e Los Angeles County); Mohave Desert, Llano Verde [possibly Anaverde Creek] Comment
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Sep 16 2015
  SDSU11114  Lycium cooperi D. F. Howe 1947-5-6 1565 Los Angeles Near Vincent, western Mojave Desert. Comment
  SEINET13383963 Image available Lycium cooperi R. G. Swinney 2011-1 14443 Los Angeles San Gabriel Mountains: Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. (Pacifico Mountain 7.5' Q.); 34.480278 -118.0675 1219 Comment
  CAS-BOT-BC140225  Lyonothamnus floribundus subsp. aspleniifolius Steven A. Junak 1997-10-29 SCI- 985 Los Angeles San Clemente Island: E side of island, near head of 1st canyon S of Camera Pad Malo, ca. 0.1 mile SSW of Malo 1 381 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
  SBBG51687  Lyonothamnus floribundus var. floribundus M. A. Piehl 1962-10-6 62 -475 Los Angeles cyn between Pebbly Beach and Renton Mine Comment
  CAS-BOT-BC343706  Madia elegans Louis C. Wheeler 1931-9-1 44 Los Angeles Foothills E Palmer Canyon, San Gabriel Mts. 609 Comment
  RSA188027  Madia exigua R. F. Thorne 1966-4-29 36319 Los Angeles Santa Catalina Island: below road to White's Landing above turn-off to Echo Lake 411 Comment
  SBBG27955  Madia exigua L. C. Wheeler 1932-6-4 801 Los Angeles Liveoak Cyn 518 Comment
  POM362171  Madia gracilis M. B. Dunkle 1931-4-22 2445 Los Angeles Santa Catalina Island, Middle Ranch Canyon. Comment
  RSA729565  Maianthemum stellatum Richard G. Swinney 1999-7-5 7494 Los Angeles San Gabriel Mtns.:head of Cedar Canyon, meadow on north side of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2037 Comment
  CAS-BOT-BC206234  Malacothamnus fasciculatus Alice Eastwood 1915-8-25 4925 Los Angeles Duarte, just east of Monrovia 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
  RSA522926  Malacothamnus fasciculatus Tim S. Ross, Orlando Mistretta 1990-10-24 3300 Los Angeles San Gabriel Mountains: Upper reaches of Venedo Canyon (off the E side of the San Gabriel Reservoir) where crossed by the Upper Monroe Road. 880 Comment
  SD107827  Malacothamnus fasciculatus Robert F. Thorne, D. Propst 1974-9-12 45095 Los Angeles Santa Catalina Island, Middle Ranch Canyon, at ranch near Thompson Reservoir 22 Comment
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Oct 15 2014
  SD69004  Malacothamnus fasciculatus Robert F. Thorne, D. Propst 1968-5-28 37640 Los Angeles Santa Catalina, bank above oad beside Thompson's Reservoir, Middle Ranch 213 Comment
  UCR270537  Malacothamnus fasciculatus R. G. Swinney 2010-5-7 12580 Los Angeles San Gabriel Mountains, Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  POM2939  Malacothamnus fasciculatus subsp. fasciculatus Mary P. Walker 1898-5-7 20 Los Angeles Claremont. 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
  UC1122024  Malacothamnus fasciculatus var. fasciculatus A. D. Gifford 1935-3-15 468 Los Angeles 2 mi wsw Red Mtn 579 Comment
  RSA225994  Malacothamnus fremontii Robert F. Thorne, C. W. Tilforth 1971-6-29 40639 Los Angeles Along Little Rock Creek, 4 mi. above Litle Rock Dam 1037 Comment
  UC1971292  Malacothamnus fremontii Louis C. Wheeler 1965-10-23 s.n. Los Angeles Sierra Pelona.: Martindale Canyon north side. Comment
  CAS-BOT-BC204189  Malacothamnus marrubioides John Thomas Howell 1950-11-9 27485 Los Angeles 12 miles n. of Castac [Castaic] 609 Comment
  UC1587170  Malacothrix foliosa Tim Ross 1991-5-22 5442 Los Angeles w side of island about 5300 ft n Eel Point; San Clemente Island, Spray [Point] Comment
  SD90567  Malacothrix foliosa subsp. foliosa Robert F. Thorne 1973-4-11 42879 Los Angeles San Clemente Island; dunes near Flasher. Comment
  RSA710540  Malacothrix glabrata LeRoy Gross 2005-5-3 2186 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
  RSA0084496  Malacothrix saxatilis R. G. Swinney 2010-5-4 12536 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  SDSU21088  Malacothrix saxatilis Ian Cain 2010-5-6 1397 Los Angeles East of Whitter in the Hacienda Heights. 1.08km south east of Rose Hills Chinese Temple 262 Comment
  CAS-BOT-BC347912  Malacothrix saxatilis var. tenuifolia L. R. Abrams 1899-3-30 s.n. Los Angeles Sepulverda Canon [Sepulveda Canyon], Santa Monica Mts. Comment
  RSA155466  Malacothrix saxatilis var. tenuifolia L. S. Rose 1960-8-28 60085 Los Angeles Santa Monica Mountains east slope of Coldwater Canyon 335 Comment
  RSA656858  Malacothrix saxatilis var. tenuifolia Joseph M. Keefe 2001-1-24 31027 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  RSA386406  Malosma laurina B. C. Templeton 1931-11-9 s.n. Los Angeles Millards Canyon Comment
  CAS-BOT-BC170377  Malosma laurina Mrs. Alexander McCallum 1905-3-1 s.n. Los Angeles Unspecified Comment
  UCR177749  Malva neglecta LeRoy Gross, Naomi Fraga 2002-4-4 521 Los Angeles Los Angeles Basin: Verdugo Mountains Region, Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way & Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road, (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 400 Comment
  UCR265535  Malva pseudolavatera Dan S. Cooper 2015-3-22 315- 21 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Los Angeles, north end of Commonwealth Ave. 233 Comment
  UCR187254  Marah fabacea A. C. Sanders 2006-4-21 32130 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles ENE of Quail Lake, east of the Cement Plant Rd. and Calif. Aqueduct, north of Hwy 138 1006 Comment
  SFV6182  Marah macrocarpa R. M. Muran 1974-2-12 18 Los Angeles Santa Monica Mountains Mandeville Canyon area, 3 miles south of Mulholland Drive. 442 Comment
  RSA498131  Marah macrocarpa Edwin Kline 1925-2-15 s.n. Los Angeles Mulholland Estate, Santa Monica Mountains. 549 Comment
  RSA0103428  Marrubium vulgare R. G. Swinney 2011-10-25 15875 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39. 1006 Comment
  RSA250656  Marrubium vulgare Robert F. Thorne 1971-4-2 41420 Los Angeles Johnson's Pasture s, N. of Mountain Avenue, Claremont. 549 Comment
  UCR129507  Marrubium vulgare A. C. Sanders, Mark Elvin 2002-6-20 25234 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  RSA0036893  Marrubium vulgare Jami Liberi 1983-4-16 11 Los Angeles In Claremont, across the street from the San Antonio Dam. 640 Comment
  RSA409824  Marrubium vulgare Chung-Hsin Chung 1931-5-8 s.n. Los Angeles Griffith Park. Comment
  SD30974  Marrubium vulgare Edith A. Purer 1931-4-3 1752 Los Angeles Palos Verdes Hills. Comment
  POM12252  Matricaria matricarioides F. L. Robinson 1921-4-15 27 Los Angeles North of Claremont. Comment
  RSA651344  Matthiola incana Ken Chapman, Glenn Harthorn, Don Lage 1949-4-16 s.n. Los Angeles Western end of Mojave Desert. 925 Comment
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Sep 16 2015
  UCD115960  Matthiola incana Daryl Koutnik 1978-3-30 s.n. Los Angeles Dockweiler Beach, south of Ballona Creek. 15 Comment
  POM68643  Meconella denticulata Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canyon Comment
  RSA445536  Meconella denticulata Martha Hilend 1928-4-18 127 Los Angeles Griffith Park. Comment
  UC311497  Meconella denticulata Philip A. Munz 1925-4-23 9413 Los Angeles San Gabriel Canyon 304 Comment
  RSA683135  Meconella denticulata LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 963 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago)., We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 549 Comment
  RSA755598  Medicago lupulina R. G. Swinney 2008-7-12 9166 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  CATA57  Medicago polymorpha Mark L. Hoefs, A. Douglas Propst 1973-3-3 36 Los Angeles Santa Catalina Island: North slope of Mt. Black Jack 441 Comment
  POM18754  Medicago polymorpha Philip A. Munz 1923-4-9 6691 Los Angeles Near Lemon Tank, Santa Clemente Island. Comment
  RSA4768  Medicago polymorpha James Snow 1932-1 s.n. Los Angeles Bryant Ranch, near Long Beach. Collected for correlation with a soil survey by the Association Laboratory, Anaheim, Calif. Comment
  UCR231077  Medicago sativa Dan S. Cooper 2011-9-10 s.n. Los Angeles South Coast, corner of Occidental Ave. and 3rd St., Lafayette Park area, Los Angeles 92 Comment
  SEINET4691486  Melaleuca quinquenervia R. E. Riefner Jr. 2007-1 07 -110 Los Angeles City of San Pedro, near Cabrillo Beach Park, salt marsh inlet channel at salinas de San Pedro 3 Comment
  LA105322  Melica imperfecta Barry A. Prigge; 1989-4-23 8447 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  RSA522443  Melica imperfecta Timothy S. Ross 1990-7-10 4062 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. Westerly drainage that meets Tie Canyon. Tujunga Ranger District, Angeles National Forest. 1463 Comment
  RSA585436  Melica imperfecta Timothy S. Ross 1990-5-31 2730 Los Angeles Ridge descending northward from Mt Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA590920  Melica imperfecta Orlando Mistretta 1994-4-12 1010 Los Angeles San Gabriel Mountains: Little Rock Creek. Slopes E of Little Rock Reservoir 1006 Comment
  RSA626113  Melica imperfecta LeRoy Gross 1999-4-29 143 Los Angeles East end; Rice Canyon, north on interstate 5, exit Calgrove Ave. turn left to The Old Road, City of Newhall 487 Comment
  RSA653292  Melica imperfecta Kelly Middleton, David Middleton 1988-5-8 15 Los Angeles Glendora Ridge Road, 6.6 miles west of Mt. Baldy Road intersection 1220 Comment
  RSA748840  Melica imperfecta Justin M. Wood 2009-4-13 495 Los Angeles Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 49 Comment
  SEINET10860821  Melica imperfecta Unknown Anonymous 1220 Los Angeles Ballona Harbor. Comment
  RSA585905  Melica stricta Timothy S. Ross 1990-5-23 2611 Los Angeles Mt. Gleason area: north-northwesterly ridge decending from Messenger Peak (6015 ft) near the headwaters of Mill canyon and Moody Canyon. San Gabriel Mountains. 1720 Comment
  RSA0062629  Melilotus albus R. G. Swinney 2010-6-8 13200 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA587257  Melilotus albus Orlando Mistretta 1994-5-13 1208 Los Angeles San Gabriel Mts; Little Rock Creek; slopes E of creek opposite confluence with Kitter Canyon. 1067 Comment
  RSA151241  Melilotus albus Peter H. Raven 1962-7-10 17959 Los Angeles San Clemente Island, road near northwest end of island. Comment
  UCSB18822  Melilotus albus Keith, Sheldon 1963-4-8 Los Angeles Indian Peak Road and Crenshaw Blvd., Palos Verdes Estates 76 Comment
  SD69521  Melilotus indicus Robert F. Thorne 1966-4-4 35764 Los Angeles Santa Catalina Island; bluff southeast of Ballast Point and Catalina Harbor, Isthmus. 60 Comment
  UCD108093  Melilotus indicus Robert F. Thorne; P. C. Everett 1965-5-11 34566 Los Angeles N beach of Little Harbor, Santa Catalina Island. 1 Comment
  CATA961  Mentha X piperita Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1827 Los Angeles Santa Catalina Island: Lower Middle Canyon, just below junction of road to Ben Weston Beach 153 Comment
  RSA409898  Mentha canadensis Anstruther Davidson 1889-07 s.n. Los Angeles Glendale. Comment
  SD69379  Mentha spicata Robert F. Thorne 1966-9-14 36637 Los Angeles Santa Catalina Island; shallow water of small stream in lower Middle Ranch Canyon ca. 3/4 mi. above Ben Weston Beach. 174 Comment
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Apr 3 2012
  UCR191191  Mentzelia R. G. Swinney 1999-7-5 7523 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  SEINET6084138  Mentzelia laevicaulis Unknown 1946-10-26 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA802051  Mentzelia obscura Orlando Mistretta, Kristie Haydu 2011-7-20 5956 Los Angeles Grizzly Flat Road, N of Angeles Crest Hwy, 0.4 air miles W of Hoyt Mountain. 1168 Comment
  CDA37134  Mentzelia veatchiana L. Cortez & R. Arias 2012-4-19 PDR# RI 1 P06002200 Los Angeles Leona Valley; 12150 Elizabeth Lake Road. 0 Comment
  RSA0094392  Mentzelia veatchiana Richard G. Swinney 2011-5-31 14887 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
  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
  RSA599799  Mentzelia veatchiana Steve D. Boyd, Lauren Raz 1997-3-25 9291 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
  RSA771566  Mentzelia veatchiana R. G. Swinney 2009-5-28 10929 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  CAS-BOT-BC435249  Mesembryanthemum crystallinum Herman Knoche 1919-7-4 Series A, No. 1015 Los Angeles Smugglers Cove, San Clemente Island Comment
  SBBG14234  Mesembryanthemum nodiflorum M. A. Piehl 1962-10-3 62486 Los Angeles main rd near jct with Middle Ranch Rd Comment
  RSA402637  Mesembryanthemum nodiflorum Robert Gustafson 1980-8-29 1798 Los Angeles Ballona Wetlands, Area 3 Infrequent and scattered in Area 3. Comment
  CAS-BOT-BC428714  Micranthes californica Geo. B. Grant 1902-1-1 3504 Los Angeles Pasadena, Campbell Johnson Ranch Comment
  UCD134516  Micropus californicus var. californicus Louis C. Wheeler 1967-5-8 9304 Los Angeles Liebre Mountains. Northeast of Saugus. 396 Comment
  RSA630314  Microseris lindleyi L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains 1159 Comment
  LA32226  Mimulus aurantiacus Peter H. Raven; 1959-5-3 14066 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive 0.5 mi E of Beverly Glen Blvd. 380 Comment
  RSA754235  Mimulus aurantiacus Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1758 Los Angeles Turnbull Canyon, Turnbull Canyon Road 345 Comment
  RSA527594  Mimulus aurantiacus var. parviflorus Steve Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4421 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA0119758  Mimulus aurantiacus var. pubescens R. G. Swinney 2014-5-21 16633 Los Angeles San Gabriel Mountains; Glendora, along ridgetop and n. side of ridge, due south of the w. fork of Harrow Cyn., n. of the terminus of Glendora Ave., along historic and un-used Whitcomb Trail, trail abandoned in early 1970's. 549 Comment
  RSA578523  Mimulus aurantiacus var. pubescens Tim S. Ross, S. D. Boyd 1994-6-22 8018 Los Angeles Warm Springs Canyon: 0.5 road mile W of Lake Hughes Road along Forest Service road 6N32 649 Comment
  UCR209219  Mimulus aurantiacus var. pubescens R. G. Swinney 2008-6-18 9064 Los Angeles San Gabriel Mountains, Juniper Hills, 1.5 miles SW of Cruthers Creek bottom, Burkhart Trail 1744 Comment
  RSA420895  Mimulus brevipes Albert J. Perkins 1913-5-2 s.n. Los Angeles Tujunga Canyon. Comment
  UCR276893  Mimulus brevipes R. G. Swinney 2011-5-16 14741 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 1.18 mi. at 73 deg. SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp 1375 Comment
  CSUSB1898  Mimulus brevipes Keith Thompson 1969-11-15 Los Angeles Cedar Springs 1158 Comment
  RSA420659  Mimulus cardinalis F. R. Fosberg 1931-7-13 S- 5396 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon. 50 Comment
  UC586848  Mimulus cardinalis Joseph Andorfer Ewan 1934-8-2 8482 Los Angeles at foot Baldy Trail; San Gabriel Mts., San Antonio Canyon 1371 Comment
  UCD122522  Mimulus cardinalis K. C. Zakar 1969-7-1 s.n. Los Angeles San Francisco Canyon, Saugus. 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
  SBBG96954  Mimulus floribundus S. Boyd, T. Ross, L. Arnseth 1990-4-8 4291 Los Angeles near Malo Pt, first cyn S of Bryce Cyn Comment
  UCR193603  Mimulus floribundus R. G. Swinney 1999-6-28 7449 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1494 Comment
  RSA595467  Mimulus fremontii Louis C. Wheeler 1967-5-12 9473 -A Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA596033  Mimulus guttatus Tim S. Ross, J. Mark Porter 1995-5-4 8451 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA648709  Mimulus guttatus Paul Neipp 1994-4-8 3 Los Angeles directly west of San Dimas Ranger Station on San Dimas Canyon Rd. Comment
  RSA748988  Mimulus guttatus R. G. Swinney 2008-5-13 8861 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  UC1971320  Mimulus guttatus Louis C. Wheeler 1967-5-23 9671 Los Angeles SAN GABRIEL MOUNTAINS: Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. Comment
  UCR258605  Mimulus guttatus R. G. Swinney 2010-8-26 13606 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  RSA527641  Mimulus guttatus Steve Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4395 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA648711  Mimulus longiflorus var. rutilus Ed Brooks 1981-5-29 65 Los Angeles Cal Poly Pomona, Box Canyon, due W of water tank. Comment
  RSA0091136  Mimulus moschatus R. G. Swinney 2011-8-17 15643 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  UC27082  Mimulus parishii Dr. A. Davidson 1895-1 Los Angeles Rock Creek Mojave Dist. Comment
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Apr 29 2009
  LA82054  Mimulus pilosus O. H. Kappler; 1943-5-23 472 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA434676  Mimulus pilosus Louis C. Wheeler 1932-5-19 717 Los Angeles San Gabriel Wash. 107 Comment
  UC1930009  Minuartia douglasii V. Soza, LeRoy Gross 2002-4-3 1379 Los Angeles Transverse Ranges; Liebre Mountains region; West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. Comment
  RSA642422  Minuartia douglasii Orlando Mistretta 1995-6-23 1832 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. 1981 Comment
  JEPS51476  Minuartia nuttallii subsp. gracilis Frank W. Peirson 1921-6-17 2437 Los Angeles divide-Bear Cr. and Little Rock tributary San Gabriel Mountains 2072 Comment
  RSA611641  Minuartia pusilla Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10121 B Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail. 1121 Comment
  RSA585333  Mirabilis bigelovii var. retrorsa Tim S. Ross 1991-4-27 4702 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  UCR223166  Mirabilis laevis R. G. Swinney 2009-5-20 10812 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  SBBG69861  Mirabilis laevis var. crassifolia R. Hoffmann 1931-10-1 Los Angeles Mint Cyn, below Bob's Place Comment
  CAS-BOT-BC434616  Mirabilis laevis var. crassifolia Henry J. Thompson 1959-4-12 1924 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). 2 miles west of Las Virgenes Road 304 Comment
  RSA0027962  Mirabilis laevis var. crassifolia Diane Elliott 1985-5-10 25 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  SD113897  Mirabilis laevis var. crassifolia Darley F. Howe 1915 Los Angeles Claremont Comment
  RSA464819  Mirabilis laevis var. villosa Anstruther Davidson s.n. Los Angeles Malibu Creek. Comment
  RSA668151  Mirabilis multiflora var. pubescens Michael C. Long, Ian Swift 2001-5-16 MCL- 577 Los Angeles W. Antelope Valley, 229th Street W., 0.5 mi. S. of Hwy 138. (open field west of road). Comment
  RSA434972  Modiola caroliniana Anstruther Davidson 1892-07 s.n. Los Angeles Acton Comment
  UC1602240  Monardella australis subsp. cinerea I. M. Johnston 1917-7-4 1449 Los Angeles s slope Baldy (Hard Scramble); San Antonio Mountains 2362 Comment
  JEPS63338  Monardella breweri subsp. lanceolata C. E. Hutchinson 1902-6-4 Los Angeles San Gabriel Canyon San Gabriel Mts. 487 Comment
  POM11331  Monardella cinerea I. M. Johnston 1917-7-4 1449 Los Angeles South slope of Baldy. 2363 Comment
  SEINET11263742  Monardella linoides Louis C. Wheeler 1946-8-29 6308 Los Angeles San Gabriel Mountains, Vincent Gap.; 0 2012 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
  POM220097  Monardella viridis subsp. saxicola Louis C. Wheeler 1932-6-27 880 Los Angeles 200 yards NNE San Dimas Canyon Dam near the road, San Gabriel Mtns. 427 Comment
  RSA13721  Monardella viridis subsp. saxicola Louis C. Wheeler 1933-8-14 2081 Los Angeles San Dimas Canyon. 640 Comment
  UC557811  Monolepis nuttalliana Nell Murbarger April, 1936 126 Los Angeles s. end of Isl. San Clemente Isl. Comment
  RSA563759  Monolopia lanceolata Wandalee Thompson 1974-4-13 96 Los Angeles Palmdale area, Joshua Tree Woodland with some Desert Transition Chaparral. 945 Comment
  SBBG129203  Monolopia lanceolata L. Haines 1963-4-23 790 Los Angeles 0.25 mi W of jct of Old Topanga Cyn Rd and Dry Cyn, Cold Crk Rd, N slope of Santa Monica Mtns 381 Comment
  RSA13754  Montia fontana L. C. Wheeler 1934-2-13 2380 Los Angeles 1 mi. NE Puddingstone Dam (Harwood Hill) San Jose Hills. 351 Comment
  RSA599103  Muhlenbergia californica V. W. Steinmann, R. Cerros T 1996-7-7 924 Los Angeles San Gabriel Mts., ca. 2 km (by trail) from trailhead at Cow Canyon Saddle along Coldwater Canyon Truck Trail in the second large drainage that crosses the trail. 1350 Comment
  RSA648051  Muhlenbergia californica Orlando Mistretta, R. T. Hawke 1995-11-8 1952 Los Angeles San Gabriel Mountains. Comment
  RSA177743  Muhlenbergia microsperma R. F. Thorne, P. Everett 1965-5-11 34654 Los Angeles Cottonwood Dam in Cottonwood Canyon, Santa Catalina Island. Comment
  RSA780000  Muhlenbergia microsperma R. G. Swinney 2009-4-3 10279 Los Angeles Duarte/Azusa border, San Gabriel Canyon wash, east side of channel 1.2 miles north of Foothill Blvd. 183 Comment
  RSA584908  Muilla maritima Timothy S. Ross 1992-5-8 6294 Los Angeles San Gabriel Mts: San Antonio Canyon; upper N side of Hog Back. 1183 Comment
  CAS-BOT-BC515104  Muilla maritima Timothy S. Ross; Steve Boyd 1994-5-11 7782 Los Angeles Liebre Mtn: central summit area, ca 1750 m WSW of Bear Gulch Camp,Liebre Mtn 7.5' USGS Quadrangle 1732 Comment
  RSA547428  Muilla maritima Timothy S. Ross 1992-5-17 6354 Los Angeles San Gabriel Mountains: E Fork of the San Gabriel River, 164 degrees SSE, ca. 55 meters distance from mouth of Shoemaker Canyon 659 Comment
  UC1133131  Nassella cernua A. D. Gifford 1935-3-15 469 Los Angeles mouth of Elizabeth Lake Canyon Angeles National Forest (Plot 142) 365 Comment
  UCD87427  Nassella cernua Jill Fariss 1997-4-13 70 Los Angeles Old Ridge Route north of Templin Hwy. Comment
  LA33436  Nassella lepida Peter H. Raven; 1959-5-3 14059 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive near Beverly Glen Blvd. Comment
  SBBG98546  Nassella pulchra T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5340 Los Angeles between Box and Horse Cyns 484 Comment
  RSA431551  Nasturtium officinale H. Twining 1905-04 s.n. Los Angeles Los Angeles, near Elysian Park, River bottom Comment
  SEINET6095429  Navarretia atractyloides Unknown 1902-5-15 821 Los Angeles Arcadia. Comment
  SBBG122012  Navarretia setiloba A. Parikh, N. Gale 2003-6-13 755 Los Angeles E of dirt track between Cruzan Mesa and Plum Cyn, 1.9 km W of Sierra Hwy, 2 km SW of Vazquez Cyn Rd 670 Comment
  RSA0116185  Nemacladus R. G. Swinney 2011-5-16 14747 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 1.18 mi. at 73 deg SE of Colby Ranch Rd. and FS Rd. Comment
  RSA713256  Nemacladus glanduliferus var. orientalis LeRoy Gross 2005-5-3 2217 -b 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
  SEINET10906103  Nemacladus sigmoideus Hoffman 1929-4-27 HOFFMAN s.n. Los Angeles Sandy flat near Roosevelt Comment
  SEINET5791646 Image available Nemophila menziesii Marcus E. Jones 1882-1 3037 Los Angeles Pasadena, California Comment
  SD125445  Nemophila menziesii Daryl Koutnik, Vickie Dawes 1978-4-7 329 Los Angeles West side of Sierra Highway just north of Pearblossom Highway. 914 Comment
  UC24273  Nemophila menziesii var. integrifolia J. Burtt Davy 1896-5-20 2642 Los Angeles Leonis Valley Comment
  POM3619  Nemophila menziesii var. integrifolia C. F. Baker 1909-5-15 5309 Los Angeles Mountains near Claremont. Comment
  RSA651998  Nicotiana glauca Gordan T. McCloskey 1948-2-12 s.n. Los Angeles North of Glendora Comment
  RSA0048540  Nierembergia hippomanica Mark Giebel 1965-4-24 s.n. Los Angeles W. L.A. nr. La Cienega Blvd. 152 Comment
  SBBG98630  Nuttallanthus texanus T. Ross 1991-5-20 5343 Los Angeles between Box and Horse Cyns 484 Comment
  CAS-BOT-BC167070  Oenothera californica R. F. Thorne; M. Z. Thorne 1969-7-10 38444 Los Angeles San Gabriel Mts., Angeles National Forest: c. 1 miles W of Wrightwood 1950 Comment
  RSA578596  Oenothera californica subsp. californica Tim S. Ross, Steve D. Boyd 1994-5-4 7617 Los Angeles Liebre Mountains, San Francisquito Canyon: headwaters of the canyon, NE of Green Valley; ca 600m SW of summit of grade; ca 2460 m ESE of Grass Mountain summit 1055 Comment
  SEINET12189793  Oenothera deltoides J. F. Bright 1935-1 1012 Los Angeles Antelope Valley Comment
  RSA601255  Olea europaea Louis C. Wheeler 1946-1-13 6168 Los Angeles San Marino. La Presa Drive and Huntington Drive. Comment
  UC115415  Oligomeris linifolia T. S. Brandegee May 1889 Los Angeles Santa Catalina Island Comment
  RSA0115094  Oligomeris linifolia Steven A. Junak 2000-6-30 SCa- 1363 Los Angeles Santa Catalina Island. Just E of Catalina Harbor. 40 Comment
  POM321005  Opuntia ficus-indica Lyman Benson, L. Scheinvar 1975-2-16 LS- 1652 Los Angeles La Verne. Comment
  UCR209505  Opuntia phaeacantha R. G. Swinney 2008-6-9 9018 Los Angeles San Gabriel Mountains, Paradise Springs (Big Rock Creek Camp), 100 m west of campground on north bank of Big Rock Creek 1427 Comment
  RSA642028  Oreonana vestita Orlando Mistretta 1993-6-24 885 -A Los Angeles San Gabriel Mountains: Devils Backbone Ridge. [Near Mt Harwood] 2529 Comment
  UCR23521  Orobanche bulbosa John C. Roos 1942-6-6 1065 Los Angeles Western Transverse Range, Placerita Canyon near Newhall 610 Comment
  RSA353689  Orobanche californica subsp. feudgei R. N. Philbrick 1965-5-20 B 65 -1180 Los Angeles South fork of Little Rock Creek. 1052 Comment
  UCD123192  Orobanche cooperi Geoffrey Levin 1975-5-17 517 Los Angeles 1.5 mile east on State 138 from junction with State 18 near Pinyon Hills. 1158 Comment
  RSA0059441  Orobanche fasciculata Timothy S. Ross, Steve Boyd 1990-5-23 2630 Los Angeles Mt Gleason Area: north-northwestwerly ridge descending from Messenger Peak (6015 ft), on the watershed divide between Mill Canyon and Moody Canyon. 1456 Comment
  RSA0066443  Orobanche fasciculata Anonymous 1940-2-26 609 Los Angeles Trail above flumes 2 and 3, San Dimas Experimental Forest. Angeles Forest, San Gabriel Mountains. Comment
  RSA402085  Orthocarpus purpurascens Gus Gluechert 1937-4-28 s.n. Los Angeles Hills, Culver City. Comment
  RSA230664  Osmorhiza berteroi R. F. Thorne, M. Z. Thorne 1969-7-9 38579 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines. 2073 Comment
  UCR256212  Osmorhiza berteroi R. G. Swinney 2010-10-13 14029 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  SFV19343  Osmorhiza brachypoda J. N. Hogue, C. Solek 2005-4-8 237 .2 Los Angeles San Gabriel Mountains West Fork of San Gabriel River. Glen Canyon. 670 Comment
  LA50660  Oxalis californica W. O. Griesel; 1936-3-14 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Faculty Hill. Comment
  RSA489251  Oxytheca caryophylloides James L. Reveal, C. Rose Broome 1987-6-25 6575 Los Angeles San Gabriel Mountains: along the Angeles Crest Highway (California Hwy 2) at milepost 59.0, 1.2 miles west of Kratka Ridge Ski Resort and 5.2 miles west of the junction of California Hwy. 39 1982 Comment
  UCR220059  Oxytheca perfoliata R. G. Swinney 2009-4-24 10441 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA603791  Oxytheca trilobata Louis C. Wheeler 1948-6-13 6642 Los Angeles San Gabriel Mountains: Big Tujunga, on ridge east of Coldwater Canyon. 976 Comment
  RSA228986  Packera ionophylla R. F. Thorne 1971-8-25 41279 Los Angeles Angeles National Forest: Just N of summit of Mt. Hawkins on saddle between Hawkins & Throop Peak 2667 Comment
  RSA94544  Packera ionophylla F. W. Peirson 1907-7-9 1591 Los Angeles Pine Flats at the headwaters of the Tujunga 1677 Comment
  UCR150659  Paeonia californica James Henrickson 1985-3-31 19796 Los Angeles c. 3 mi SW of Newhall just south of Calgrove Ave about 0.5 mi east of the freeway 370 Comment
  UCR99523  Paeonia californica Steve Boyd, Lauren Raz 1997-3-25 9273 Los Angeles Liebre Mountains Region, Knapp Ranch area at upper end of Castaic Creek drainage in valley at head of Cienega Canyon, south of Liebre Mountain,, just NE of ranch compound 1061 Comment
  RSA630752  Paeonia californica Louis C. Wheeler 1973-4-8 s.n. Los Angeles Kagel Canyon. 595 Comment
  SBBG101139  Parapholis incurva T. Ross 1992-4-14 6183 Los Angeles Lemon Tank Rd, ca. 25 m ESE of its intersection with the main N-S island rd 341 Comment
  UCD88688  Parapholis incurva Louis C. Wheeler 1969-5-16 s.n. Los Angeles Santa Catalina Island. Fishermans Cove: USC Marine lab. 15 Comment
  SD85184  Parietaria hespera var. hespera E. R. Blakley 1963-12-7 6336 Los Angeles San Clemente Island; shallow canyon sloping to ocean, 200 feet north of Lighthouse, north of Pyramid Head. Comment
  RSA535687  Parietaria hespera var. hespera Tim S. Ross 1991-5-23 5480 Los Angeles San Clemente Island. Mouth of Tota Canyon, middle of island, eastern escarpment. 6 Comment
  SD236434  Parietaria judaica R. E. Riefner 2006-1-12 06 13 Los Angeles South Coast: San Pedro, Point Fermin 13 Comment
  SD187491  Parthenocissus vitacea R. E. Riefner Jr. 2007-5-27 Los Angeles Near El Monte, vicinity of Whittier Narrows Nature Center, floodplain of San Gabriel River at Peck St. 68 Comment
  CATA1388  Paspalum dilatatum Mark L. Hoefs, Steven A. Junak, Allan Fone 1995-11-8 2521 Los Angeles Santa Catalina Island: Haypress Reservoir 414 Comment
  SBBG128235  Paspalum dilatatum M. L. Hoefs, S. A. Junak 1996-7-9 2722 Los Angeles bunkhouse at Middle Ranch, Middle Cyn 207 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
  UCR230250  Pectocarya anisocarpa Dan S. Cooper 2011-4-28 411- 1 Los Angeles San Gabriel Valley/San Gabriel Mtns. Foothills, Padua Park, off Padua Ave. near Claremont 559 Comment
  POM246602  Pectocarya linearis subsp. ferocula F. R. Fosberg 1931-4-16 4655 Los Angeles Bulrush Ridge, Santa Catalina Island. Comment
  CDA40694  Pectocarya linearis subsp. ferocula L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mtns.; Mill Canyon off Soledad Canyon. Comment
  JEPS20124  Pectocarya linearis subsp. ferocula Frank W. Peirson 1919-3-27 324 Los Angeles Arroyo Seco San Gabriel Mountains 381 Comment
  SBBG37717  Pectocarya linearis subsp. ferocula R. Moran 1941-3-11 698 Los Angeles ridge N of Middle Ranch 300 Comment
  UCR205970  Pectocarya recurvata Scott D. White, Pam DeVries 1998-4-20 6309 Los Angeles Transverse Ranges/Liebre Mtns, Soledad Canyon area: proposed quarry area north of Soledad Canyon Rd., south of the I-14 Fwy, east of Bee Canyon and west of Agua Dulce Canyon 762 Comment
  RSA425329  Pedicularis semibarbata G. R. Johnstone 1928-6-10 s.n. Los Angeles Mt. San Antonio: N slope just beyond saddle, near Sierra Club cabin. Comment
  LA94144  Pellaea andromedifolia Lawrence L. Kiefer; 1966-3-26 1791 Los Angeles SANTA MONICA MOUNTAINS, Woodland Hills, Mulholland Hwy [prob Dr.], ca 1 mi W of Topanga Canyon Rd. 304 Comment
  RSA688843  Pellaea andromedifolia Scott D. White, Michael Honer 2003-6-11 9535 Los Angeles Tapia Canyon. About 2 air miles east of Interstate 5 jtn. at Old Ridge Rt. 396 Comment
  UCR138907  Pellaea andromedifolia L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mtns., NW slope of Smith Mtn, along the Bear Creek Trail 1250 Comment
  UCR153974  Pellaea andromedifolia A. C. Sanders, T. B. Salvato 2005-4-26 29752 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita, south of Plum Canyon at end of Canyon Crest Dr., NW of mouth of Mint Canyon 488 Comment
  CAS-BOT-BC67703  Pellaea andromedifolia unspecified 1902-6-12 677 Los Angeles Mt. Wilson 1219 Comment
  LA94169  Pellaea mucronata var. mucronata Lawrence L. Kiefer; 1966-3-27 1813 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, ca 3 mi above Sunset Blvd. 274 Comment
  LA94182  Pellaea mucronata var. mucronata Lawrence L. Kiefer; 1966-3-12 1699 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Rd. S of Mulholland Hwy, just N of Cold Creek, bluff near the road. 304 Comment
  UCR150591  Pellaea mucronata var. mucronata L. C. Wheeler 1967-9-4 10643 Los Angeles San Gabriel Mountains, Pine Mountain Ridge 2317 Comment
  CAS-BOT-BC258818  Pennisetum setaceum Peter H. Raven 1957-9-21 11341 Los Angeles Sunset Boulevard at Groverton Street, Westwood Village Comment
  CHSC99687  Pennisetum setaceum LeRoy Gross; Valerie Soza, Neil Gilbert 2000-10-18 284 Los Angeles Verdugo Mountains: Chandler Fire Road, above locked gate at corners of Olivia Terrace and Edmore Street, Sun Valley. Growing next to a concrete gutter. 365 Comment
  UCSB45224  Pennisetum setaceum Batson, J. 1979-5-12 Los Angeles Highway 1 at its junction with Highway 23 near Malibu 22 Comment
  UCR192168  Penstemon centranthifolius A. C. Sanders 2008-4-17 34935 Los Angeles Transverse Range, hills c. 1.5 miles SW of Neenach School, c. 1.5 mi. west of Pine Canyon 989 Comment
  RSA332052  Penstemon grinnellii subsp. grinnellii Wayne E. Sawyer 1981-7-10 88 Los Angeles Angeles National Forest: Hwy 2 between Dawson Saddle and junction of Highway 39, 1.6 mile from Dawson Saddle. 2302 Comment
  RSA670700  Penstemon heterophyllus Bonnie C. Templeton 1947-5-21 6285 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  UC27459  Penstemon heterophyllus J. H. Barber 1897-7-11 271 Los Angeles Mt. Gleason Comment
  RSA401900  Penstemon spectabilis I. W. Clokey, Bonnie C. Templeton 1929-3-26 4475 Los Angeles Open rocky ridge. 300 Comment
  UCSB32473  Penstemon spectabilis Coz, Susan 1977-6-4 Los Angeles Across from Tapia Park, 5 mi. north of Malibu Canyon Road from Hwy. 1, on East side of road 182 Comment
  JEPS85719  Penstemon spectabilis var. subviscosus Frank W. Peirson 1924-6-16 Los Angeles near Pasadena (foothills of the San Gabriel Mountains); San Gabriel Mountains Comment
  LA94188  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-6 1662 Los Angeles SANTA MONICA MOUNTAINS, ravine between Las Flores and Big Rock Rd, ca 0.25 mi above Hwy 1. 45 Comment
  LA94204  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-19 1745 Los Angeles SANTA MONICA MOUNTAINS, Trancas Canyon, ca 3 mi from mouth. 304 Comment
  RSA687404  Pentagramma triangularis subsp. triangularis G. R. Proctor 1944-02 781 Los Angeles Sepulveda Canyon Comment
  SFV20889  Pentagramma triangularis subsp. triangularis L. Gross, B. Hogshead, V. Soza 2003-5-29 953 Los Angeles Verdugo Mountains West end of Verdugo Mountains at junction (saddle) of Verdugo Motorway and Wildwood Fire Road (abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago). Went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Motorway). 564 Comment
  SBBG98216  Pentagramma triangularis subsp. triangularis F. W. Peirson 1919-12-2 1502 Los Angeles W Fk of Rubio Cyn 746 Comment
  UC62737  Pentagramma triangularis subsp. triangularis Geo. B. Grant 1901-1 530 Los Angeles Old Wilson Trail Comment
  CAS-BOT-BC73759  Peritoma arborea var. arborea Timothy S. Ross; J. Mark Porter 1995-5-4 8410 Los Angeles Liebre Mountains, Texas Canyon - ca. 1.9 road miles NE of Bouquet Canyon Road. USGS 7.5' Green Valley Quadrangle 585 Comment
  SDSU384  Perityle emoryi R. M. Beauchamp 1967-3-19 321 Los Angeles 1/2 mile south of the runway at Sherman Field, San Clemente Island. Comment
  CAS-BOT-BC167753  Petalonyx thurberi A. D. E. Elmer 1902-6-1 3614 Los Angeles Palmdale Comment
  UCR259350  Phacelia R. G. Swinney 2010-8-26 13593 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  LA34675  Phacelia brachyloba Mary V. Hood; 1944-5-21 44 48 k Los Angeles Santa Monica Mountains, Monte Nido, near Tapia Park 167 Comment
  LA81957  Phacelia brachyloba O. H. Kappler; 1944-5-21 633 Los Angeles Santa Monica Mountains, Monte Nido 213 Comment
  SD253472  Phacelia brachyloba R. G. Swinney 2011-5-31 14919 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) 1096 Comment
  SBBG65006  Phacelia campanularia R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  LA40168  Phacelia cicutaria var. hispida Pickman; 1961-5-11 11 Los Angeles Santa Monica Mountains, Piuma Rd, 4 mi E of Las Virgenes Rd 457 Comment
  RSA0087092  Phacelia cicutaria var. hispida R. G. Swinney 2010-3-30 12112 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA167644  Phacelia cicutaria var. hispida Peter H. Raven, Robert F. Thorne 1964-5-7 19010 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  RSA427642  Phacelia cicutaria var. hispida Christopher Davidson 1973-4-6 1860 Los Angeles Tapia Park, Malibu Canyon. 244 Comment
  UC697771  Phacelia cicutaria var. hispida Kay H. Beach 1943-5-11 1738 Los Angeles along Woods Trail San Gabriel Mts., Little Dalton Canyon 396 Comment
  UCR150895  Phacelia cicutaria var. hispida Valerie Soza, Kent Hughes 1999-6-17 540 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel Mountains: Upper Winter Creek Trail at San Olene Canyon 732 Comment
  RSA14229  Phacelia cicutaria var. hispida Joseph Cook Nevin s.n. Los Angeles [Unspecified] Comment
  RSA756013  Phacelia cryptantha Orlando Mistretta, Christine Mistretta 2008-4-30 2577 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
  RSA718986  Phacelia davidsonii R. G. Swinney 1996-5-27 4865 Los Angeles Eastern San Gabriel Mountains: N of Wrightwood, E of Table Mountain, ca. 0.25 mile SE of Smithsonian Observatory 2195 Comment
  UCR189724  Phacelia davidsonii R. G. Swinney 1998-7-10 6377 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 Comment
  POM3765  Phacelia distans McFadden s.n. Los Angeles Claremont. Comment
  RSA611615  Phacelia distans Anna Christensen 1997-4-3 14 Los Angeles Claremont, Bernard Biological Field Station (Claremont Colleges), NW corner of Mills Avenue and Foothill Boulevard 412 Comment
  RSA786325  Phacelia distans K. Dobry 1991-5-4 263 Los Angeles Stunt Ranch. Cold Creek Cyn. Santa Monica Mts. Stunt Rd Comment
  RSA597376  Phacelia fremontii Tim S. Ross 1990-6-22 3709 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA729525  Phacelia fremontii R. G. Swinney 1999-7-5 7541 Los Angeles San Gabriel Mtns.: Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines highway at a point 0.5 mi. west of junction of Hwy 2. 1866 Comment
  CHSC23112  Phacelia grandiflora Robert A. Schlising 1971-4-21 2965 Los Angeles Jct Mulholland Drive and Little Sycamore Canyon Road. Comment
  LA105386  Phacelia grandiflora O. H. Kappler; Los Angeles Santa Susana Mountains, between Falls Creek and Devil Canyon: ca. 1 air mi. NE of junction of Simi Valley Frwy and Topanga Canyon Blvd 502 Comment
  SEINET235618 Image available Phacelia grandiflora Scott D. White 1997-5-8 5097 Los Angeles San Gabriel River Canyon: State Hwy 39 N of Azusa; mountain slopes above San Gabriel Reservoir. 490 Comment
  SEINET5763101  Phacelia grandiflora L. C. Wheeler 1936-6-8 4141 Los Angeles San Gabriel Mts., mouth of Bell Canyon Comment
  UCD120446  Phacelia grandiflora Garm Bell 1997-5-9 39 Los Angeles Mulholland Highway, 1 mile east of Malibu Canyon Road. Comment
  RSA0115454  Phacelia imbricata R. G. Swinney 2010-5-25 12907 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA586681  Phacelia longipes Orlando Mistretta 1995-5-10 1702 A Los Angeles San Gabriel Mountains: Bare Mountain Canyon, West Fork. 1402 Comment
  RSA655769  Phacelia longipes Scott D. White 1997-5-21 5188 Los Angeles San Gabriel River Canyon: N of Azusa; parallel to Highway 39; canyon bottom and adjacent slopes along unnamed dirt access road to gauging station below Morris Dam. 244 Comment
  RSA74500  Phacelia minor F. W. Peirson 1918-1 162 Los Angeles burned area east of Rubio Canyon Comment
  RSA0035452  Phacelia minor Roxanne Smith 1991-5-5 12 Los Angeles Hills southeast of Golden Springs and Diamond Bar Blvd. 1/4 mi. north of intersection Clear Crk. Cyn. Road and Steep Cyn. Road. Comment
  UC212515  Phacelia ramosissima var. ramosissima I. M. Johnston 1918-7-6 2091 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 2072 Comment
  SD253476  Phacelia tanacetifolia R. G. Swinney 2011-4-1 14303 Los Angeles San Gabriel Mountains/SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mile south of California Aquaduct, 20-200 m west of Cheseboro Road (Palmdale 7.5'Q) 890 Comment
  SD60330  Phacelia viscida Peter Raven 1962-3-27 16995 Los Angeles Palos Verdes Hills, 1.4 Mi E of Portugese Bend along Palos Verdes Drive Comment
  RSA752454  Phalaris canariensis Justin M. Wood 2009-4-22 519 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  CAS-BOT-BC222556  Pholistoma auritum var. auritum John I. Carlson 1918-4-24 s.n. Los Angeles Griffith Park Comment
  LA81942  Pholistoma auritum var. auritum O. H. Kappler; 1944-4-2 574 Los Angeles Santa Monica Mountains, Las Flores-Cold Creek Road 548 Comment
  UCR270934  Pholistoma auritum var. auritum R. G. Swinney 2011-4-28 14541 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 963 Comment
  RSA611650  Pholistoma membranaceum Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10080 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  OBI81440  Phoradendron bolleanum R. G. Swinney 2009-11-13 11614 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station. 921 Comment
  RSA578114  Phoradendron bolleanum var. densum Tim S. Ross, Steve D. Boyd 1994-9-20 8230 Los Angeles 2 miles NW of Acton: sandy wash, S side of intersection Escondido Canyon Road and Red Rover Mine Road. 884 Comment
  CAS-BOT-BC141142  Phoradendron serotinum subsp. macrophyllum Del Wiens 1954-1-10 893 Los Angeles intersection of Alexander and cucamonga avennues; Claremont 365 Comment
  RSA598935  Phoradendron villosum Steve D. Boyd, Tim S. Ross 1997-3-21 9194 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UC1871269  Phoradendron villosum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3857 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon; Elevation 4390-5150 feet. T8N R17W SE 1/4 SW 1/4 sect 35; and T7N R17W NE 1/4 NW 1/4 sect 2. Comment
  RSA595010  Picris echioides Mark Hoefs, Steven A. Junak, Ralph N. Philbrick, C. Chaney 1996-2-14 2588 Los Angeles Santa Catalina Island, Falls Canyon, above buildings below reservoir. 58 Comment
  CATA3263  Pinus canariensis Julia Parish, Ben Dion 2017-1-30 005 Los Angeles Santa Catalina Island: West side of the upper campsite at Black Jack Campground 495 Comment
  UCR142792  Pinus coulteri L. C. Wheeler 1966-11-30 9163 Los Angeles San Gabriel Mtns, Crystal Lake cutoff c. 1 mi. southerly from Snow Spring, Bear Creek, off West Fork San Gabriel Drainage, southwesterky slope of Mt. Islip 1768 Comment
  HSC35976  Pinus monophylla Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-8-19 2174 Los Angeles Beside Hwy. 5, W of junction with Hwy. 138 915 Comment
  RSA384361  Pinus monophylla B. C. Templeton 1932-8-26 5090 Los Angeles Big Rock Canyon 2012 Comment
  SEINET7878791 Image available Pinus muricata Bonnie C. Templeton 1936-1 s.n. Los Angeles Griffith Park, Los Angeles, Los Angeles County. Comment
  SEINET10932761  Pinus remorata Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4819 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  SBBG80496  Piperia cooperi S. A. Junak 1978-4-16 SCa 41 Los Angeles entrance to Fourth of July Cove 30 Comment
  RSA534150  Piptatherum miliaceum Timothy S. Ross, O. Mistretta, M. Hammit 1991-5-17 5049 Los Angeles San Clemente Island: 650 ft. SE of air terminal (New airfield, N end of island). 64 Comment
  RSA573462  Piptatherum miliaceum Timothy S. Ross 1992-5-8 6304 Los Angeles Glendora Ridge Road; N side of ridge at head of un-named E fork of Oak Canyon. 1015 Comment
  RSA755582  Piptatherum miliaceum R. G. Swinney 2008-7-12 9174 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  UCR201413  Pistacia vera Justin M. Wood 2008-11-21 253 Los Angeles San Gabriel Mountains, Beartrap Canyon at confluence with Aliso Canyon 1026 Comment
  UCR126903  Pityrogramma triangularis A. C. Sanders 2003-4-29 26161 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  UCR98768  Pityrogramma triangularis Jack Easton 1997-2-25 s.n. Los Angeles Glendale: western toe of San Rafael Hills 305 Comment
  UCR20306  Pityrogramma triangularis var. viscosa Dr. H. de Forest, G. R. Johnstone 1934-5-28 s.n. Los Angeles Channel Islands, Santa Catalina Island, Descanso Canyon, near Avalon above Descanso Bay Comment
  RSA593686  Plagiobothrys arizonicus Steve Boyd 1996-4-25 8711 Los Angeles Liebre Mountains, southwestern flank of Liebre Mountain, along Forest Service Road 7N22 ca 1.1 mile E of jtn with 7N23. 1220 Comment
  RSA772388  Plagiobothrys arizonicus R. G. Swinney 2009-5-12 10713 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg ) of Littlerock 1061 Comment
  UCR122608  Plagiobothrys arizonicus George K. Helmkamp, E. A. Helmkamp 1998-5-21 4043 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  IRVC26338  Plagiobothrys canescens A. C. Sanders 2003-4-16 26028 Los Angeles Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course NE end of Santa Susana Mtns. 366 Comment
  IRVC27311  Plagiobothrys canescens A. C. Sanders, Mark Elvin, et al. 2003-4-14 25948 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
  SBBG112927  Plagiobothrys canescens S. A. Junak with M. L. Hoefs, L. Stratton 1998-3-21 SCa 501 Los Angeles just S of Cape Cyn Rd, ca. 3.1 rd mi from top of Black Jack Rd 310 Comment
  UCR138992  Plagiobothrys canescens L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mtns., Wildwood Ranch, Shuler Canyon 412 Comment
  SBBG41185  Plagiobothrys canescens J. P. Broughton 1971-3-24 1343 a Los Angeles Troutdale, Mulholland Hwy, 3 mi past Seminole Hot Springs Comment
  UCR86522  Plagiobothrys collinus var. gracilis T. S. Ross 1992-4-16 6204 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
  POM368936  Plagiobothrys nothofulvus Tom Burch 1940-3-15 4022 -6 Los Angeles Santa Susana Pass, near Chatsworth. 610 Comment
  UCR187249  Plagiobothrys nothofulvus A. C. Sanders 2006-4-18 32118 Los Angeles Tehachapi Mtns. Foothills, hills south of Oso Canyon on the west side of the Cement Plant Rd., c. 0.75 mile north of Quail Lake 1067 Comment
  RSA177840  Plantago coronopus Robert F. Thorne, Percy C. Everett 1965-5-11 34561 Los Angeles Santa Catalina Island. N beach of Little Harbor. 2 Comment
  SBBG31246  Plantago erecta R. F. Thorne 1966-4-7 35937 Los Angeles Cherry Valley Comment
  SD39912  Plantago erecta EA Purer 1932-5-14 2945 Los Angeles El Segundo established dunes. Comment
  CATA1503  Plantago lanceolata Mark L. Hoefs 1996-5-27 2713 Los Angeles Santa Catalina Island: Avalon Canyon Road, below Bird Park 54 Comment
  POM49324  Plantago ovata var. insularis L. W. Nuttall 1920-6-8 s.n. Los Angeles Santa Catalina Island. Comment
  UCR208880  Plantago patagonica F. W. Peirson 1921-5-20 2410 Los Angeles Transverse Ranges; San Gabriel Mountains, Little Rock Creek 960 Comment
  UCR138851  Platanthera sparsiflora L. C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mtns, [Pigeon Ridge] west of heliport 1585 Comment
  RSA616722  Platanthera sparsiflora Louis C. Wheeler 1966-8-21 8826 Los Angeles San Gabriel Mountains: Dorr Canyon, west side Mount Burnham.. . Comment
  CAS-BOT-BC93187  Platanus racemosa Joseph Andorfer Ewan 1937-8-23 11050 Los Angeles San Gabriel Mountains. Tijuga Creek near mouth of canyon. Comment
  RSA401713A  Platanus racemosa Frances Runyan 1971-7-20 s.n. Los Angeles Near Davenport Road, Agua Dulce. Comment
  UCR95402  Platanus racemosa L. C. Wheeler 1966-11-19 9136 Los Angeles San Gabriel Mtns., Tunnel Bypass, 0.25 mi upstream from Dutch Louie Camp, Pacoima Canyon 716 Comment
  UCR222655  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09- 113 Los Angeles South Coast, city of Malibu, c. 0.25 mi. west of La Piedra State Beach 12 Comment
  CATA2204  Plumbago auriculata Sara L. Crockett, Michael Daligdig 1996-10-21 5 Los Angeles Santa Catalina Island: Descanso Beach Club 6 Comment
  RSA623773  Poa annua K. Scott 1921-2-8 s.n. Los Angeles Campus, Occidental College, Highland Park Comment
  SBBG131544  Poa annua S. A. Junak 1999-7-16 SCa 1044 Los Angeles near pier at Two Harbors 4 Comment
  UCR178939  Poa annua R. G. Swinney 1989-5-13 s.n. Los Angeles San Gabriel Mtns., Glendora, Little Dalton Canyon Debris Basin 366 Comment
  UCR205591  Poa annua R. G. Swinney 2008-5-30 8870 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  UCSB446  Poa annua Haller, John 1950-5-9 Los Angeles UCLA Botanical Garden Comment
  POM175355  Poa howellii E. Crow 1930-6-29 s.n. Los Angeles above camp Coldbrook Comment
  UCR193598  Poa pratensis R. G. Swinney 1999-8-16 7658 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  POM7041  Poa secunda L. T. Street, G. Williams 1919-4-12 2496 Los Angeles Puente [now La Puente]. Comment
  RSA17209  Poa secunda P. H. Raven 1962-4-10 17209 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  RSA0116198  Poa secunda Steven A. Junak 2000-4-15 SCa- 1205 Los Angeles Santa Catalina Island. On W side of road to Lone Tree, ca. 0.1 mi. from junction w/ Divide Road. 479 Comment
  CAS-BOT-BC236211  Poa secunda subsp. secunda Ernest C. Twisselmann 1962-4-18 6954 Los Angeles Tehachapi Mountains. Oso Canyon, 0.5 mile W of Coe Field Fence 1036 Comment
  UC1713250  Poa secunda subsp. secunda I. M. Johnston 1917-6-20 1355 Los Angeles USFS Lookout; San Antonio Mts 1828 Comment
  LA94348  Polycarpon depressum Carl Epling; Harvey Anderson 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  UC905077  Polygonum argyrocoleon John Thomas Howell 1948-7-2 24770 Los Angeles Palos Verdes Hills Comment
  SD237567  Polygonum aviculare R. G. Swinney 2009-8-25 11473 Los Angeles Transverse Range: San Gabriel Mountains: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn, Road and Big Pines Road (Mescal Creek 7.5'Q) 2061 Comment
  RSA305067  Polygonum aviculare subsp. aviculare Dave Dunn 1941-3-3 696 Los Angeles Pacific Electric tracks on Santa Monica Blvd. 2 blocks east of Sepulveda. Comment
  RSA607580  Polygonum aviculare subsp. aviculare Louis C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. and San Diego Fwy, between Sepulveda and 233rd St. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.]. Comment
  RSA652779  Polygonum capitatum Monica Acosta 1998-5-19 38 Los Angeles The Center for Regenerative Studies, South of California State Polytechnic University. (Cal Poly Pomona) 226 Comment
  RSA594206  Polygonum lapathifolium Steve Boyd, Lauren Raz 1996-10-14 9089 Los Angeles Liebre Mountains region, southwest end of Quail Lake, in seasonally flooded depression on south side of Highway 138. 1021 Comment
  RSA653892  Polypodium californicum Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 799 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
  RSA689959  Polypodium californicum Johnstone 1937-06 s.n. Los Angeles Angeles Crest Highway. Comment
Read comments
Jan 11 2007
  UCSB62284  Polypodium californicum Kiefer, Lawrence 1967-5-27 Los Angeles San Gabriel Mtns., Devil's Canyon-Bear Canyon Wild Area, Devil's Canyon, ca. 1mi below Devil's Canyon Camp 1066 Comment
  UCSB62420  Polypodium californicum Kendall, M. 1921-2-13 Los Angeles Palmer's Canon, San Gabriel Mtns. Comment
  UCSB62460  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  RSA594634  Polypogon viridis Steve Boyd, Lauren Raz 1996-10-29 9121 Los Angeles Liebre Mountains region, along 7N19, the road to Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1463 Comment
  SBBG59496  Polypogon viridis M. N. Ackley -Mar-1928 18 Los Angeles Eagle Rock 304 Comment
  UCR108382  Polystichum imbricans subsp. curtum L. C. Wheeler 1946-9-8 6353 Los Angeles San Gabriel Mtns., West fork of San Gabriel River, 0.5 - 0.75 mi west of Bear Creek, S side 534 Comment
  RSA693289  Polystichum imbricans subsp. imbricans L. E. Hoffman 1930-5-12 s.n. Los Angeles Millard's Canyon. Angeles National Forest. Comment
  SEINET13297617 Image available Polystichum munitum R. G. Swinney 2011-1 15953 Los Angeles San Gabriel Mountains: confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. (Azusa 7.5' Q.) 634 Comment
  CAS-BOT-BC102549  Populus fremontii Enid Reeve 1919-3-7 s.n. Los Angeles Pasadena Comment
  UCR194175  Potentilla glandulosa R. G. Swinney 1998-7-29 6539 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  RSA230370  Potentilla glandulosa subsp. ewanii Robert F. Thorne, M. Z. Thorne 1969-7-10 38365 Los Angeles San Gabriel Mts; Angeles National Forest; ca. 1 mile W of Wrightwood along Wrightwood-Big Pines Hwy. 1951 Comment
  CHSC83975  Potentilla glandulosa subsp. glandulosa John Dittes 1990-6-20 119 Los Angeles Transverse Range; San Gabriel Mountains; approximately 16.7 air-miles north of Monrovia, approximately 1.3 air-mile northeast of Vetter Mountain and 0.75 air-mile southwest of Chilao Station, in canyon of East Fork Alder Creek. 1493 Comment
  CAS-BOT-BC158285  Prunus fasciculata var. fasciculata Le Roy Abrams; E. A. McGregor 1908-7-2 525 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1158 Comment
  SD231428  Prunus fasciculata var. fasciculata Sula Vanderplank, Leroy Gross, Steve Hoskinson 2005-5-6 50506 73 Los Angeles Transvers Ranges; San Gabriel Mountains region: Bob's Gap. At the South edge of Bob's Gap. 1444 Comment
  RSA453244  Prunus ilicifolia Glenn A. Gorelick 1966-4-5 s.n. Los Angeles On trail to observatory, Griffith Park. Comment
  RSA567309  Prunus ilicifolia Tim S. Ross 1990-6-28 3987 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
  UCR26205  Prunus virginiana John C. Roos 1947-5-31 3659 Los Angeles San Gabriel Mountains, Big Pines 2134 Comment
  RSA233558  Prunus virginiana var. demissa Robert F. Thorne, C. W. Tilforth 1972-6-29 42099 Los Angeles Angeles National Forest: WNW end of Jackson Lake (sag-pond on San Andreas Fault), c. 1 1/2 mile WNW of Big Pines 1909 Comment
  UCR275504  Pseudognaphalium beneolens D. E. Bramlet 2011-8-17 4927 Los Angeles San Gabriel Mountains, NW of Hwy 2 near Chilao Campground 1619 Comment
  SBBG127520  Pseudognaphalium biolettii M. L. Hoefs, R. F. Thorne 1996-4-6 2608 Los Angeles Pebbly Beach 6 Comment
  POM358744  Pseudognaphalium biolettii Richard Arnold 1984-8-10 1036 Los Angeles LAX Dunes, Playa del Rey (El Segundo Blue Survey) Comment
  RSA602957  Pseudognaphalium biolettii Mark Hoefs, Steven A. Junak 1996-5-1 2700 Los Angeles Santa Cataline Island. Road to Lone Tree, past Upper Road to Avalon Canyon. 463 Comment
  RSA0088251  Pseudognaphalium californicum R. G. Swinney 2010-5-25 12963 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  LA201033  Pseudognaphalium canescens subsp. beneolens Harlan Lewis; 1939-9-23 1002 Los Angeles Santa Monica Mountains, West Los Angeles 60 Comment
  SFV13498  Pseudognaphalium luteoalbum M. H. Grayum 1977-12-11 925 Los Angeles San Fernando Valley Los Angeles, Northridge. South side of Nordhoff Street, just west of Tampa Ave. 255 Comment
  LA6324  Pseudotsuga macrocarpa Carl Epling; October 1925 sn Los Angeles San Bernardino Mountains, Camp Baldy 1066 Comment
  RSA724540  Pseudotsuga macrocarpa K. Dobry 1991-4-22 464 Los Angeles West San Gabriel Mts. along Sand Cyn to Whitney Cyn Comment
  HSC89836  Pteris tremula L. L. Kiefer 1967-4-15 3277 Los Angeles San Gabriel Mountains, Monrovia Canyon, c. 1/8 mi above the falls. 579 Comment
  UC1215161  Pterostegia drymarioides Peter H. Raven 1962-4-10 17225 Los Angeles summit ridge ca. 2 mi. n. Thirst; San Clemente Isl. 487 Comment
  RSA392918  Pterostegia drymarioides Freda Detmers 1931-3-19 s.n. Los Angeles El Segundo. 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
  UC1128514  Purshia tridentata var. glandulosa R. St. John 1930-2-26 104 Los Angeles Hungry Valley and Peace Valley; Tejon Quad. 914 Comment
  RSA83435  Pycnanthemum californicum F. W. Peirson 1951-1 184 Los Angeles San Antonio Canyon. Comment
  UC848121  Quercus I. W. Clokey 1930-9-11 5327 Los Angeles 1635 Laurel St, South Pasadena South Pasadena Comment
  RSA177663  Quercus X macdonaldii Robert F. Thorne, P. Everett 1965-5-10 34448 Los Angeles N side of Black Jack Mt. above Lyonothamnus grove, Santa Catalina Island. 488 Comment
  RSA475265  Quercus X macdonaldii Mark Hoefs 1974-10-3 577 Los Angeles Upper part of Middle Canyon [Santa Catalina Island]. 299 Comment
  CAS-BOT-BC45673  Quercus agrifolia H. E. Hasse 1891-12-1 s.n. Los Angeles Los Angeles Co. Comment
  LA43669  Quercus agrifolia Carl Epling; 1930-3-8 sn Los Angeles Santa Monica Mountains, Mandeville Canyon Comment
  RSA573422  Quercus agrifolia var. agrifolia Louis C. Wheeler 1931-11-13 358 Los Angeles Mouth of Liveoak Canyon 409 Comment
  POM271864  Quercus berberidifolia Lyman Benson 1947-1-16 12278 Los Angeles 860 Hillcrest Ave, Ganesha Hills, Pomona 305 Comment
  UCD45261  Quercus berberidifolia A. D. Gifford 1935-4-14 580 Los Angeles 2 1/2 miles east of Whitaker Peak. Altitude 3000 feet. 914 Comment
  UCR106844  Quercus berberidifolia J. M. Tucker 1948-9-26 1879 Los Angeles N slope San Gabriel Mtns., 11.4 mi. west of Palmdale, beside road to Elizabeth Lake. Comment
  RSA0038355  Quercus berberidifolia Sandra Leatherman, Brian Daniels 1998-11-10 62 Los Angeles Boquet Canyon: East of Boquet Canyon Road, immediately south of Esguerra Road. 600 Comment
  LA46430  Quercus chrysolepis A. M. Johnson; 1932-6-18 4127 Los Angeles San Bernardino Mountains, along road up to Inspiration Point, Big Pine 1828 Comment
  RSA479374  Quercus chrysolepis Mark Hoefs 1974-9-25 565 Los Angeles West fork of Gallagher's Canyon 213 Comment
  RSA600777  Quercus chrysolepis Louis C. Wheeler 1962-6-30 8153 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 976 Comment
  UCSC001111  Quercus chrysolepis Peter Kamb 1974-9-28 733 Los Angeles San Gabriel Mts, Pine Flats 1829 Comment
  RSA654035  Quercus durata var. gabrielensis Valerie L. Soza, Laura Moore 2000-5-10 852 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines, W of peak ''1936''. 564 Comment
  RSA754110  Quercus durata var. gabrielensis Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-11-14 NFWF- 1856 Los Angeles San Gabriel River Watershed; Webb Canyon Road (GPS represents the northern most point for a population that extends 1/4 m south) 436 Comment
  UCR182178  Quercus engelmannii R. G. Swinney 1997-9-27 5881 Los Angeles San Gabriel Mountains, between Live Oak Canyon and Marshall Canyon, c. 0.25 mi. NW of Live Oak Canyon Dam 512 Comment
  RSA597248  Quercus ilex B. Pitzer, P. Gomez 1996-4-28 2747 Los Angeles Los Angeles Basin Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue. Comment
  POM290532  Quercus john-tuckeri Lyman Benson 1951-10-23 14830 Los Angeles 1 mile below Jackson Lake, Big Pines to Valyermo. 1524 Comment
  UCR261305  Quercus john-tuckeri Ralph Hoffmann 1927-8-31 s.n. Los Angeles Transverse Range, Oaks Garage [now = site of Le Chene Restaurant], Mint Canyon 720 Comment
  UCSB28155  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, Calif, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  SEINET8987488  Quercus john-tuckeri Unknown 2013-1 236 Los Angeles Rancho Santa Ana Botanic Garden Comment
  SFV6843  Quercus kelloggii T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 591 Los Angeles San Gabriel Mountains Adjacent to County Road N4 (Big Pines Highway), 2.2 miles east of Largo Vista Road. 1677 Comment
  UCD45304  Quercus pacifica P. B. Kennedy 1928-3-28 s.n. Los Angeles Ridge above Avalon, Santa Catalina Island, Calif. Comment
  UCR143297  Quercus pacifica F. R. Fosberg 1931-7-16 S- 5433 Los Angeles Channel Islands, Santa Catalina Island, near Wrigley Reservoir [Gallagher's Canyon?] 400 Comment
  CAS-BOT-BC250922  Quercus tomentella P. S. Manos 1988-10-28 688 Los Angeles San Clemente Island, just S of Vista Canyon and N of Eagle Canyon 243 Comment
  RSA190942  Quercus tomentella Robert F. Thorne 1967-5-19 36885 Los Angeles Santa Catalina Island, top of side valley of Sweetwater Canyon. 381 Comment
  SBBG133329  Quercus tomentella D. Pivorunas, J. Dunn 2003-5-28 2003 -12 Los Angeles cyn below Delphinium exclosure near Stone Comment
  SBBG17768  Quercus tomentella P. H. Raven 1962-7-11 18000 Los Angeles head of Twin Cyn 426 Comment
  UCR223193  Quercus wislizeni R. G. Swinney 2009-7-22 11300 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  RSA529195  Quercus wislizeni var. frutescens Tim S. Ross 1991-7-24 5642 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope. 1902 Comment
  CAS-BOT-BC362465  Rafinesquia californica Tim Ross; Steve Boyd 1993-5-23 7270 Los Angeles Liebre Mountains, NW Los Angeles Co. Steep, northerly draw draining from saddle between Red Mtn's long E ridge and a small notched peak (3227-ft), to upper Clearwater Canyon, ca 430-500 m SSW of Plum Spring 896 Comment
  SBBG11607  Rafinesquia californica P. H. Raven 1962-5-8 17608 Los Angeles second cyn S of Seal Cove 30 Comment
  UC75894  Rafinesquia californica unknown April 1901 834 Los Angeles Avalon Catalina Island Comment
  LA52190  Ranunculus californicus Carl Epling; March 1925 6510 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA0051624  Ranunculus californicus L. E. Hoffman 1945-3-26 s.n. Los Angeles Santa Monica Mountains. 304 Comment
  RSA399389  Ranunculus californicus Chung-Hsin Chung 1931-2-14 s.n. Los Angeles Hillside, Eagle Rock Comment
  CAS-BOT-BC378865  Ranunculus californicus var. californicus Geo. B. Grant 1902-6-1 1109 Los Angeles Lincoln Park Comment
  SBBG28533  Ranunculus hebecarpus L. C. Wheeler 1934-3-24 2467 Los Angeles Live Oak Cyn 472 Comment
  SBBG122434  Ranunculus muricatus R. Burgess, P. Munro 1998-5-17 2823 Los Angeles vacant land NE of corner of Kanan Rd and Canwood St, Agoura Hills 268 Comment
  UCSB2402  Raphanus raphanistrum McElwain, Isabelle 1953-3-29 Los Angeles N of 18000 Bull Canyon Rd., Granada Hills Comment
  RSA431471  Raphanus sativus Ella M. Kennedy 1923-2-27 s.n. Los Angeles Fields, Pasadena 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
  CAS-BOT-BC56000  Rhamnus ilicifolia A. D. E. Elmer 1902-6-1 3649 Los Angeles Saugus Comment
  LA52146  Rhamnus ilicifolia Carl Epling; L. Ellison 1930-3-15 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA771593  Rhamnus ilicifolia R. G. Swinney 2009-6-2 11006 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  SBBG27507  Rhamnus ilicifolia C. B. Wolf 1928-5-11 Los Angeles just above the place where the Los Angeles Aqueduct crosses the hwy Comment
  RSA304929  Rhamnus ilicifolia James R. Shevock 1970-5-8 195 Los Angeles San Gabriel Mts. 534 Comment
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Oct 16 2014
  SBBG41344  Rhamnus pirifolia M. R. Benedict 1970-6-29 Los Angeles coast rd W of Parson Landing Comment
  SBBG95408  Rhamnus pirifolia M. B. Dunkle 1928-3-4 1717 Los Angeles Santa Catalina Island Comment
  UCR179973  Rhus aromatica R. G. Swinney 1996-8-7 5217 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  UCR256271  Rhus aromatica R. G. Swinney 2010-3-22 12088 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  CAS-BOT-BC167918  Rhus integrifolia Le Roy Abrams 1901-4-5 1369 Los Angeles San Fernando Mts. near Chatsworth Park Comment
  CAS-BOT-BC170453  Rhus integrifolia Peter H. Raven 1959-3-15 13954 Los Angeles Bluffs just east of Zuma Beach, Point Dume - Santa Monica Mountains 15 Comment
  CAS-BOT-BC170475  Rhus integrifolia Marcus E. Jones 1926-9-9 s.n. Los Angeles San Clemente Is. Comment
  POM193464  Rhus integrifolia F. W. Peirson 1925-2-22 240 Los Angeles Point Fermin Comment
  RSA683810  Rhus integrifolia A. C. Sanders 2003-5-26 26835 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
  UC557728  Rhus integrifolia Nell Murbarger May, 1936 180 Los Angeles San Clemente Island Comment
  SEINET10778867  Rhus integrifolia Louis C. Wheeler 1933-3-19 Wheeler 1553 Los Angeles Just within mouth of San Grabriel Canyon, San Gabriel Mts. 244 Comment
  CAS-BOT-BC175224  Rhus ovata Wayne Law; Jun Hu 2000-4-30 07 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground 823 Comment
  SFV16170  Rhus ovata P. A. Krueger 1994-5-14 22 Los Angeles San Gabriel Mountains 2 miles west on 2N23 from Newcomb's Saddle._x000B_ 900 Comment
  UCR204898  Rhus ovata R. G. Swinney 2008-4-1 8603 Los Angeles San Gabriel Mtns., ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  SEINET12235107  Rhus ovata I. W. Clokey, Templeton, B. 1929-1 4431 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  RSA748195  Ribes amarum Scott D. White, Justin M. Wood 2009-5-6 12653 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  SEINET4560264  Ribes amarum Louis C. Wheeler 1936-1 4082 Los Angeles San Gabriel Mountains: Arroyo Seco. 457 Comment
  UC1587674  Ribes aureum Tim Ross 1991-3-9 4177 Los Angeles ne slope at head Oak Canyon; Whittier Hills, Puente Hills (pro parte) 335 Comment
  UCSB24081  Ribes aureum Wheeler, Louis 1932-5-26 Los Angeles San Gabriel Wash 106 Comment
  RSA476437  Ribes aureum var. gracillimum Anstruther Davidson 1893-2-2 s.n. Los Angeles Morgan Comment
  RSA509585  Ribes aureum var. gracillimum Louis C. Wheeler 1967-7-23 10146 Los Angeles Sand Canyon at Iron Canyon. 526 Comment
  SD112112  Ribes aureum var. gracillimum Linda Allen 1975-6-15 Los Angeles Century Ranch, W. Santa Monica Mts. Comment
  UCR205535  Ribes aureum var. gracillimum A. C. Sanders, T. B. Salvato 2009-5-21 36893 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  SFV1609  Ribes californicum P. G. Kilburn 1958-2-7 596 Los Angeles Santa Susana Mountains Oat Mountain. North slope, Orcutt Ranch. 915 Comment
  SFV6204  Ribes californicum R. M. Muran 1974-2-12 16 Los Angeles Santa Monica Mountains Mandeville Canyon area, 3.5 miles south of Mulholland Drive. 427 Comment
  UC1127403  Ribes californicum var. hesperium P. L. Johannsen 1934-1-15 228 Los Angeles 1 mi ne of lower dam Malibu Creek; Calabasas Quadrangle Comment
  RSA84505  Ribes indecorum F. W. Peirson 1918-11-1 299 Los Angeles along top of ridge on trail to Switzer s Camp, Arroyo Seco 945 Comment
  SEINET2473436 Image available Ribes indecorum Richard G. Swinney 2009-1 10140 Los Angeles San Gabriel Mtns. Foothills; Azusa/Irwindale, mouth of San Gabriel River Canyon, 100-400 m north of I-210 Fwy, 300 m east of the river channel 177 Comment
  UC1922561  Ribes indecorum Gary Kovnat with LeRoy Gross 2003-1-19 3 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace east meadow gully. Comment
  UC575722  Ribes indecorum Lewis S. Rose 1934-12-26 34509 Los Angeles Flintridge Comment
  CAS-BOT-BC173434  Ribes malvaceum S. Y. Parnay Mar. s.n. Los Angeles Mt. Wilson 1219 Comment
  RSA724677  Ribes malvaceum K. Dobry 1991-4-22 d- 816 Los Angeles Santa Monica Mts Upper Cold Creek Cyn off Stunt Rd So. Side Comment
  UC921824  Ribes malvaceum var. viridifolium Ira W. Clokey, B. Templeton 1929-4-14 4455 Los Angeles Mandeville Canyon Santa Monica Mountains 450 Comment
  UC212583  Ribes montigenum I. M. Johnston 1917-7-4 1415 Los Angeles summit Baldy; San Antonio Mountains 3048 Comment
  SEINET3151817  Ribes nevadense G. B. Grant, W. Wheeler 1904-5-17 1125 /6241 Los Angeles Mt. Wilson, southern CA 1829 Comment
  RSA476244  Ribes roezlii Christopher Davidson 1975-5-25 2557 Los Angeles 3.3 mi NE of Old Ridge Route (8N04) on rd 7N23 to Liebre Mtn., ca. 0.2 mi past Sandberg Pk. 1692 Comment
  RSA641687  Ribes roezlii Orlando Mistretta 1993-6-2 859 Los Angeles San Gabriel Mountains: Near Vincent Gap, south slope of Vincent Gulch. 2085 Comment
  SFV6028  Ribes sanguineum var. glutinosum B. C. Templeton 1964-5-15 10135 Los Angeles San Gabriel Valley Claremont. Rancho Santa Ana Botanic Garden. 410 Comment
  LA50747  Ribes speciosum A. M. Johnson; 1927-11-11 41 Los Angeles Santa Monica Mountains, Griffith Park Comment
  UCD102505  Ribes speciosum Gerald Dickinson 1962-5-8 33 Los Angeles Top of Saddle Peak and Stunt Rds. Santa Monica Mountains. 670 Comment
  UCR70832  Ribes speciosum L. C. Wheeler 1932-1-10 436 Los Angeles San Gabriel Valley; San Jose Hills, Puddingstone Dam 305 Comment
  SBBG118149  Ribes viburnifolium F. R. Fosberg 1931-4-4 4485 Los Angeles Cherry Cyn 30 Comment
  RSA602378  Ricinus communis L. C. Wheeler 1945-8-16 6093 Los Angeles Whittier: San Jose Creek at Workman Mill Road. Comment
  LA34192  Ricinus communis Peter H. Raven; Henry J. Thompson 1959-9-6 14377 Los Angeles Santa Monica Mountains, Malibu Creek, near mouth 12 Comment
  RSA598852  Rigiopappus leptocladus Steve Boyd, Timothy S. Ross 1997-3-21 9226 Los Angeles Liebre Mountains, Portal Ridge, head of Broad Canyon, east of VABM King and 0.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, near an abandoned road alignment leading down ridgeline dividing Bleich Canyon and Broad Canyon. 1310 Comment
  UC1211022  Rorippa nasturtium-aquaticum Huron H. Smith 1912-6-15 5113 Los Angeles road to Middle Ranch Santa Catalina Island 304 Comment
  SBBG128434  Rosa californica M. L. Hoefs 1995-5-16 2035 Los Angeles Big Springs Cyn, near rd to Two Harbors 103 Comment
  SEINET3558033 Image available Rosmarinus officinalis Bruno Klinger 1968-2-5 s.n. Los Angeles Pasadena, Pasadena. Comment
  CAS-BOT-BC158815  Rubus ursinus Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena Comment
  OBI70930  Rubus ursinus Steve Boyd 1997-3-25 9314 Los Angeles Liebre Mts Region: Upper end of broad alluvial valley at head of Cienaga cyn, Southern base of liebre Mtn, at end of dirt road leading 1 km NE of Knapp Ranch 1280 Comment
  RSA187751  Rubus ursinus Robert F. Thorne 1966-4-5 35815 Los Angeles Santa Catalina Island. Along Cottonwood Creek by bridge on road from Middle Ranch to Little Harbor. 27 Comment
  CATA2060  Rumex conglomeratus Steven A. Junak, Keri Kirkland 1998-7-17 779 Los Angeles Santa Catalina Island: Lower portion of Silver Canyon, ca. 0.4 air miles inland from beach 36 Comment
  LA99292  Rumex conglomeratus Peter H. Raven; Henry J. Thompson 1960-7-17 15543 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  UCSB1591  Rumex conglomeratus Wedberg, H. 1958-7-15 Los Angeles Behind store at jct. New and Old Topanga Canyons, Santa Monica Mtns. Comment
  RSA778711  Rumex crispus R. G. Swinney 2009-6-8 11107 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CAS-BOT-BC433250  Rumex crispus C. W. Tilforth 1970-3-30 254 Los Angeles Rancho Santa Ana Bot. Gard., Claremont Comment
  UCR149793  Rumex salicifolius Scott D. White, Pam Devries 2004-6-14 10491 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
  RSA0011532  Rumex salicifolius var. salicifolius Orlando Mistretta, Christine Mistretta 2011-6-23 5732 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  RSA747052  Salix exigua R. G. Swinney 2008-5-30 8892 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river. 256 Comment
  RSA747349  Salix exigua R. G. Swinney 2008-5-8 8797 Los Angeles San Gabriel Mtns.: West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  SD252378  Salix exigua Steven A. Junak 1999-9-10 Sca 1097 Los Angeles Santa Catalina Island: Middle Ranch Canyon, at old road crossing, just downstream from Sca-1096. 85 Comment
  JEPS14843  Salix laevigata I. W. Clokey and B. C. Templeton 1930-4-8 4646 Los Angeles San Francisquito Canyon 800 Comment
  LA52061  Salix laevigata Carl Hedin; J. A. Ewan 1932-4-22 7622 Los Angeles SAN FERNANDO VALLEY, Los Angeles River, at Radford Dr. 179 Comment
  RSA594572  Salix laevigata Louis C. Wheeler 1966-10-12 8980 Los Angeles San Gabriel Mountains. East fork, San Gabriel Canyon, 1/4 mi. upstream from Heaton Flat. 610 Comment
  SBBG59086  Salix laevigata C. W. Sharsmith 1932-1-17 11 Los Angeles San Gabriel Cyn, ca. 9.5 km above Azusa 91 Comment
  UC1134929  Salix laevigata A. D. Gifford 1935-2-25 434 Los Angeles 5 3/10 mi n of Whitaker Peak; Angeles Nat'l Forest, Tejon Quad. Comment
  CAS-BOT-BC128128  Salix lasiandra var. lasiandra Carl W. Sharsmith 1932-1-17 12 Los Angeles At bottom of Lower San Gabriel Canyon, about 11 km. above Azusa 300 Comment
  UC1971170  Salix lasiolepis Louis C. Wheeler 1968-6-1 Los Angeles San Gabriel Mtns.: Dorr Canyon at Angeles Crest Hwy. (by Whitethorn picnic area). Comment
  UCR193564  Salix lasiolepis R. G. Swinney 1999-6-28 7431 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCSB987  Salix lasiolepis Beach, Kay 1943-2-18 Los Angeles San Dimas Exp Forest; Dalton camp Comment
  CAS-BOT-BC128520  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-1-17 7 Los Angeles At bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  CAS-BOT-BC176855  Salsola gobicola John Thomas Howell 1952-10-26 28877 Los Angeles Along highway just north of Palmdale Comment
  SEINET13387037 Image available Salsola tragus R. G. Swinney 2011-1 15704 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom (Crystal Lake 7.5' Q.) (T3N R9W S11) 2353 Comment
  RSA0105969  Saltugilia splendens subsp. grantii R. G. Swinney 2011-7-8 15500 Los Angeles San Gabriel Mountains: Strawberry Potrero, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property. 1427 Comment
  RSA495622  Saltugilia splendens subsp. splendens S. Zona, D. Arias, Oscar Dorado, M. Hanson, Jose Luis Villasenor 1989-6-21 344 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2018 Comment
  RSA0082594  Salvia apiana R. G. Swinney 2010-6-4 12990 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  RSA411308  Salvia apiana Donald R. Bissing 1973-6-2 128 Los Angeles Evey Canyon, San Gabriel Mountains, 0.2 mile from canyon mouth, on canyon wall above road cut. 726 Comment
  RSA424330  Salvia apiana William Emboden 1970-6-12 16 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  SEINET12273089  Salvia apiana J. F. Bright, Wyman, C. 1931-1 5500 Los Angeles Foothills of Mt.Wilson Comment
  UC215513  Salvia apiana A. R. Davis 1915-6-30 Los Angeles n of Claremont 457 Comment
  RSA0089537  Salvia carduacea Steve D. Boyd, Gary D. Wallace 2011-4-14 12320 Los Angeles Transverse Ranges; Liebre/San Gabriel Mountains region: Acton Wash ca. 3km east of junction of Soledad Cnayon Road and Crown Valley Road. 829 Comment
  SBBG119479  Salvia carduacea J. Latting 1973-4-21 Los Angeles near the Three Sisters Hills, Antelope Valley NE of Llano 976 Comment
  RSA595133  Salvia columbariae Steve Boyd 1996-4-25 8706 Los Angeles Liebre Mountains, southwestern flank of Liebre Mountain, along Forest Service Road 7N22 ca 1.1 mile E of jtn with 7N23. 1220 Comment
  UCR276978  Salvia columbariae R. G. Swinney 2010-6-1 13153 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
  RSA651686  Salvia columbariae Warren Crawford 1969-5-15 s.n. Los Angeles San Gabriel Canyon, second dam. [Hwy 39] Comment
  UCSB46628  Salvia columbariae Welton, Patti 1983-3-28 Los Angeles On northeast side of Mulholland Hwy; 1 mile north of Cold Canyon Road; Santa Monica Mtns 518 Comment
  CHSC42208  Salvia dorrii Blake A. Rowe 1986-3-24 11 Los Angeles 10 mi ne of Canyon Country and Vasques Roacks company park, at s edge of Angeles National Forest. 720 Comment
  UCR266126  Salvia dorrii subsp. dorrii Orlando Mistretta, Christine Mistretta 2005-4-21 2051 Los Angeles Transverse Range; San Gabriel Mountains, Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station 1341 Comment
  RSA17978  Salvia dorrii var. pilosa P. A. Munz 1923-5-26 6863 Los Angeles Rock Creek, San Gabriel Mts. 1677 Comment
  RSA249769  Salvia dorrii var. pilosa Robert F. Thorne, C. W. Tilforth 1973-4-20 42986 Los Angeles San Gabriel Mountains. 1143 Comment
  RSA710810  Salvia dorrii var. pilosa LeRoy Gross 2005-5-3 2240 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
  CAS-BOT-BC233666  Salvia leucophylla L. A. Greata 1901-5-1 s.n. Los Angeles Pasadena Comment
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Feb 24 2018
  POM177960  Salvia leucophylla Joseph A. Ewan 1931-5-16 4206 Los Angeles Dry Canyon above Calabasas, Santa Monica Mountains 305 Comment
  RSA580140  Salvia mellifera Tim S. Ross, Darin Banks 1994-4-12 7503 Los Angeles San Francisquito Canyon: westerly ridge descending from SW/NE-trending ridge which divides S. Fr. Canyon from Dry Canyon; ca 480 m SE of where Drinkwater Canyon joins S. Fr. Canyon. 634 Comment
  RSA651042  Salvia mellifera A. E. Hersh 1950-7-15 s.n. Los Angeles about 1/4 mile from west end of Topango [Topanga] Canyon. El. 30 Comment
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May 29 2014
  RSA144753  Salvia mellifera N. Nicholson 788 Los Angeles No locality information specified on label Comment
  LA34658  Salvia spathacea Mary V. Hood; 1948-5-18 48 4 k Los Angeles 579 Comment
  RSA626238  Sambucus mexicana L. C. Wheeler 1967-5-15 9584 Los Angeles San Gabriel Mountains: South side Elsmere Canyon near the mouth. 518 Comment
  UCR145196  Sambucus mexicana June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  CAS-BOT-BC238725  Sambucus nigra subsp. caerulea Alice Eastwood 1919-6-21 9050 Los Angeles San Fernando Comment
  CAS-BOT-BC238745  Sambucus nigra subsp. caerulea J. Ewan 1931-9-7 5155 Los Angeles Sawpit Canyon, San Bernardino Mts. 1402 Comment
  CATA950  Sambucus nigra subsp. caerulea Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1815 Los Angeles Santa Catalina Island: Cottonwood Canyon, southeast of El Rancho Escondido 45 Comment
  UC1605465  Sanguisorba minor subsp. muricata Tim Ross 1993-4-22 6923 Los Angeles Middle Canyon sw part Santa Catalina Island (along old dirt road (no longer maintained) that ascends the ridge sw of Thompson Dam and drops to Bullrush Canyon); Santa Catalina South Quad., , Middle Cy 213 Comment
  RSA0065396  Sanicula menziesii G. F. Orr 1956-3-12 s.n. Los Angeles Topanga Canyon. 426 Comment
  RSA602474  Sarcostemma cynanchoides subsp. cynanchoides Scott D. White 1997-5-8 5070 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below Morris Dam. 244 Comment
  UC204978  Satureja douglasii Katharine Brandegee Los Angeles Santa Catalina Island Comment
  RSA202930  Schinus molle L. C. Wheeler 1932-7-9 948 Los Angeles 1 mile SW San Dimas. Comment
  UCR93327  Schinus polygamus Scott D. White 1996-5-19 4055 Los Angeles City of Claremont: Geneva Ave, north of San Jose, south of Arrow Hwy, west of Indian Hill, east of Towne Street. 320 Comment
  SBBG131039  Schismus S. A. Junak 1999-5-6 SCa 880 Los Angeles W side of Cherry Cove, just N of rd, ridgetop 60 Comment
  RSA0065636  Schismus arabicus LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6791 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA0115763  Schismus arabicus Steven A. Junak 1999-5-20 SCa- 959 Los Angeles Santa Catalina Island. Base of paved road leading to top of Black Jack Peak, on SW side of peak. 530 Comment
  SBBG112874  Schismus barbatus S. A. Junak 1998-3-22 SCa 512 Los Angeles rd to Shark Harbor, just W of Little Harbor Rd 60 Comment
  SD181746  Schismus barbatus LeRoy Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 690 Los Angeles Verdugo Mountains Region; South side; on shoulder along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 783 Comment
  SEINET11749060  Schoenoplectus acutus var. occidentalis H. E. Hasse 1888-1 Los Angeles near Los Angeles Comment
  POM6448  Schoenoplectus americanus L. T. Street, G. Williams 1919-5-10 2700 Los Angeles Near Bassett 90 Comment
  CAS-BOT-BC111226  Schoenoplectus californicus John Thomas Howell 1927-6-30 2624 Los Angeles In swamp on coastal plain one mile east of Long Beach. 15 Comment
  CDA39109  Scirpus californicus Bernard Rohrer Jul 1948 s.n. Los Angeles San Pedro. 0 Comment
  CAS-BOT-BC110937  Scirpus microcarpus Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-6 8115 Los Angeles Tributary of Clearwater Canyon. 847 Comment
  RSA587086  Scirpus microcarpus Orlando Mistretta, Steve Boyd 1995-5-23 1720 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. W side tributary drainage NE of Pacifico Mtn 1631 Comment
  RSA776783  Scirpus microcarpus Orlando Mistretta, Christine Mistretta 2010-6-8 5280 Los Angeles Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, approx. 1.15 miles N of intersection with upper Big Tujunga Canyon Rd. 1100 Comment
  SEINET7592478 Image available Scirpus microcarpus Louis C. Wheeler 1966-1 8950 Los Angeles San Gabriel Mountians; Colby Ranch 1097 Comment
  RSA191125  Scrophularia californica subsp. floribunda Robert F. Thorne, M. Z. Thorne 1967-6-25 37104 Los Angeles Evey Canyon 884 Comment
  UC1349356  Scrophularia villosa Robert F. Thorne 1966-4-5 35797 Los Angeles sw of and near Empire Landing; Santa Catalina Isl 152 Comment
  LA99365  Scutellaria mexicana E. R. Hobbs; 1978-5-13 78- 179 Los Angeles Devil's Punchbowl County Park Comment
  RSA0069778  Selaginella bigelovii LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6996 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
  UC1874982  Selaginella bigelovii Ruth Kirkpatrick 2001-7-30 1081 Los Angeles San Gabriel Mountains at Red Box Picnic Area on Angeles Crest Hwy (Hwy 2), Angeles National Forest Red Box Station. Angeles Crest Hwy and Mount Wilson/Red Box 1432 Comment
  UCR210415  Selaginella bigelovii R. G. Swinney 2008-12-6 9965 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  JEPS26956  Senecio astephanus Frank W. Peirson 1920-6-10 1432 Los Angeles near Inspiration Point (on Mt. Lowe); San Gabriel Mts., Mt. Lowe 1371 Comment
  RSA679286  Senecio flaccidus var. douglasii Mark A. Elvin, Anne Marie Ruff 1996-8-1 304 Los Angeles San Gabriel Mountains. Angeles National Forest. Glendora Ridge Road. N side of road W of 90 degree curve on road. Road mile 7.75. Comment
  UCR189831  Senecio ionophyllus R. G. Swinney 1998-7-14 6458 Los Angeles San Gabriel Mtns., north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat 2165 Comment
  CAS-BOT-BC341191  Senecio lyonii Reid Moran 1941-3-2 665 Los Angeles Point between Wilson's Harbor and Howland's, Santa Catalina Island Comment
  POM243665  Senecio lyonii F. R. Fosberg 1931-3-27 S- 4416 Los Angeles Pebble [Pebbly] Beach Road, Santa Catalina Island. 15 Comment
  RSA158290  Senecio lyonii P. H. Raven 1962-4-10 17188 Los Angeles On hillside above Wilson Cove 107 Comment
  SBBG42306  Senecio lyonii R. Moran 1941-2-18 589 Los Angeles E side of cyn, mouth of Middle Ranch Cyn 150 Comment
  LA88554  Senecio vulgaris O. H. Kappler; 1943-3-15 364 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SEINET10589628  Setaria Joseph A. Ewan 1932-7-11 Ewan 7470 Los Angeles Hard adobe of neglected lawn Ingraham St. L.A., Ca. Comment
  UC1714448  Setaria pumila I. M. Johnston 1918-8-4 2110 Los Angeles between Pomona and Claremont 365 Comment
  SBBG59137  Setaria viridis R. Hoffmann 1927-8-30 Los Angeles near Saugus Comment
  UCR131595  Sherardia arvensis L. C. Wheeler 1933-5-15 1914 Los Angeles San Gabriel Valley, San Gabriel, 217 South Muscatel Ave. 107 Comment
  RSA447539  Sherardia arvensis A. Menke 1955-4-13 s.n. Los Angeles Los Angeles. Comment
  LA50758  Sidalcea sparsifolia W. O. Griesel; 1936-6-16 sn Los Angeles Santa Monica Mountains, Triunfo Canyon Comment
  SBBG71657  Silene Anstruther Davidson -Jul-1893 Los Angeles Mount Wilson 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
  CATA1039  Silene gallica Mark L. Hoefs 1995-5-10 1962 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  CATA149  Silene gallica Mark L. Hoefs, A. Douglas Propst 1973-3-14 113 Los Angeles Santa Catalina Island: Ridge between Moonstone and White's Coves 36 Comment
  RSA477861  Silene gallica L. E. Hoffman 1929-5-5 s.n. Los Angeles Hermon Hills, Ave-57. Pasadena. Comment
  RSA592197  Silene gallica L. C. Wheeler 1967-4-9 9185 Los Angeles San Gabriel Canyon, Canyon Inn. Comment
  CAS-BOT-BC174909  Silene laciniata Geo. B. Grant 1904-5-1 1205 Los Angeles Pasadena Comment
  UCR51920  Silene verecunda Steve Boyd, Laura Kopase 1987-6-8 2075 Los Angeles San Gabriel Mtns., 5 mi. WNW of Wrightwood in Cedar Canyon, near junction with Mescal Creek 1524 Comment
  JEPS50882  Silene verecunda subsp. platyota Frank W. Peirson 1919-6-14 474 Los Angeles Rock Creek San Gabriel Mountains, Rock Creek 1706 Comment
  RSA729653  Silene verecunda subsp. platyota R. G. Swinney 1998-7-6 6281 Los Angeles San Gabriel Mtns.: Mescal Canyon, 0.8 mile north of junction of Hwy 2 and Mescal Canyon Rod. 1732 Comment
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Jan 26 2014
  POM223267  Sinapis arvensis L. C. Wheeler 1933-6-26 1885 Los Angeles San Bernardino Ave. at San Antonio Ave. Pomona. 259 Comment
  UCR259961  Sisymbrium irio R. G. Swinney 2010-3-16 11966 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
  RSA356026  Sisymbrium irio R. F. Thorne 1973-3-14 42651 Los Angeles San Dimas Canyon near its mouth. Comment
  RSA654730  Sisymbrium irio Scott Lowe 1991-5-7 14 Los Angeles San Gabriel river channel, about 50 m. south of the San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  RSA65826  Sisymbrium irio F. W. Peirson 1923-3-23 3355 Los Angeles Claremont. 365 Comment
  RSA603598  Sisymbrium officinale L. C. Wheeler 1932-9-5 1340 Los Angeles San Antonio Canyon 1066 Comment
  UCSB2438  Sisymbrium officinale Kamb, Peter 1947-5-25 Los Angeles Millard's Canyon near Sunset Ridge guard station, San Gabriel Mts. 670 Comment
  RSA431758  Sisymbrium orientale Donald R. Bissing 1973-3-29 27 Los Angeles Evey Canyon, 1/8 mile from canyon mouth 731 Comment
  UC1870254  Sisymbrium orientale LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 703 Los Angeles Transverse Ranges: Verdugo Mountains Region; South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned Summer-Fall of 2002. By power pole next to road and on nearby slopes 622 Comment
  UCR260333  Sisymbrium orientale R. G. Swinney 2010-5-4 12542 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  SBBG19213  Solanum americanum C. Burch 1963-12-8 Los Angeles first cyn S of Seal Cove Comment
  RSA428799  Solanum americanum Robert Gustafson 1981-5-13 2215 Los Angeles Ballona Wetlands, Area 1 Comment
  RSA422379  Solanum douglasii Reid Moran 1941-3-8 688 Los Angeles White's Landing, Santa Catalina Island. 50 Comment
  RSA422397  Solanum douglasii Freda Detmers 1928-10-17 s.n. Los Angeles Stream side, Verdugo Woodlands Comment
  SBBG96671  Solanum douglasii S. Boyd with T. Ross, L. Arnseth 1990-4-7 4259 Los Angeles lower half of China Cyn Comment
  UC26214  Solanum douglasii Harley P. Chandler 1897-6-21 Los Angeles Claremont 365 Comment
  UCR150831  Solanum douglasii R. G. Swinney, Dave Larson 1999-5-15 7151 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCR273404  Solanum douglasii R. G. Swinney 2011-4-26 14484 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  PASA2147  Solanum douglasii Loletta Hiebert Los Angeles Arroyo Seco Comment
  POM4159  Solanum douglasii F. E. Durkee 1907-5-10 25 Los Angeles Claremont. 366 Comment
  RSA422427  Solanum douglasii Tom Burch 1940-3-2 4019 -3 Los Angeles Playa Del Ray. 0 Comment
  RSA535730  Solanum douglasii Tim S. Ross 1991-5-23 5478 Los Angeles San Clemente Island: lower Tota Canyon, middle of island, eastern escarpment. 88 Comment
  NY759856  Solanum nigrum T. G. Yuncker 1931-6-21 3998 Los Angeles Azusa Comment
  SEINET5866968  Solanum sarachoides P. A. Munz 1939-10-9 15567 Los Angeles Half mile south of Claremont Comment
  CAS-BOT-BC157413  Solanum umbelliferum Y. W. Winblad 1937-4-26 s.n. Los Angeles Ridge Route Comment
  CAS-BOT-BC83643  Solanum umbelliferum C. F. Baker 1903-3-16 4059 Los Angeles Claremont Comment
  RSA427423  Solanum umbelliferum Donald R. Bissing 1973-3-29 24 Los Angeles Evey Canyon, 1/8 mile from canyon mouth 732 Comment
  RSA680544  Solanum umbelliferum Scott D. White, Michael Honer 2003-6-23 9585 Los Angeles Newhall Area: South Fork, Santa Clarita Riv. between Lyons Ave. and Magic Mountain Parkway. 351 Comment
  RSA427439  Solanum umbelliferum Geo. C. Johnstone 1928-4-8 s.n. Los Angeles N of Big Pines. Comment
  RSA188387  Solanum wallacei Robert F. Thorne, Percy C. Everett 1965-6-23 34995 Los Angeles Santa Catalina Island. Near mouth of Hamilton Canyon NW of Avalon. 23 Comment
  SEINET7262095 Image available Solanum xanti var. glabrescens B. C. Templeton, I. W. Clokey 1930-4-8 1045 Los Angeles San Francisquito Canyon; San Gabriel Mountains Comment
  UCR149975  Solanum xanti var. xanti Scott D. White 2004-5-10 10359 Los Angeles Liebre Mtns, N slope below Bald Mountain 1280 Comment
  RSA761706  Solidago californica R. G. Swinney 2008-10-10 9569 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  UCR203112  Solidago californica R. G. Swinney 2001-8-27 8111 Los Angeles San Gabriel Mountains, Cortelyou Spring c. 0,5 mi east of the junction of Hwy 2 and Hwy 39, north side of Hwy 2 2073 Comment
  SEINET11801942  Solidago gigantea J. F. Bright, Wyman, C. 1931-1 5688 Los Angeles around Hollywood Comment
  UCR223709  Sonchus asper R. G. Swinney 2009-6-12 11121 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
  SEINET4016300  Sonchus asper M. B. Dunkle 1939-1 7209 Los Angeles Southeast point, San Clemente Island. Comment
  RSA651185  Sonchus oleraceus Richard L. Herrin 1948-5-13 s.n. Los Angeles Burbank. Corner of Olive Ave. & Kenneth Road Comment
  UCD136159  Sonchus oleraceus Donald R. Bissing 1973-6-2 148 Los Angeles Evey Canyon, San Gabriel Mountains. 1.4 miles from canyon mouth. 1024 Comment
  UCR172780  Spartium junceum Wayne Law, Jun Hu 2000-4-30 01 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  UCR64455  Spergula arvensis Anstruther Davidson 1893-6-12 s.n. Los Angeles Pasadena Comment
  SFV21071  Spergula arvensis subsp. arvensis L. Gross 2001-3-23 350 Los Angeles Verdugo Mountains North side of mountains on Whiting Woods Mountainway, dirt road at end of Whiting Woods Road, in Verdugo City. Road starts at Henderson Canyon and climbs to the main crest, off of an Edison road (power company) that ends at a pylon. 518 Comment
  RSA0097877  Spergularia bocconi A. C. Sanders, Dan S. Cooper 2010-4-30 38145 Los Angeles Madrona Marsh, Torrance. 24 Comment
  UCR216860  Spergularia bocconi R. G. Swinney 2009-3-12 10102 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39 226 Comment
  RSA0097910  Spergularia bocconi R. F. Thorne, Percy C. Everett 1965-5-10 34463 Los Angeles Santa Catalina Island: N slope of Black Jack Mountain. 457 Comment
  RSA0097916  Spergularia bocconi M. B. Dunkle 1928-4-9 1811 Los Angeles Santa Catalina Island. Back beach flat, Emerald Bay. 5 Comment
  SD90296  Spergularia bocconi Robert F. Thorne 1973-4-12 42928 Los Angeles San Clemente Island; Pyramid Cove at south end of island. 3 Comment
  RSA0098386  Spergularia macrotheca Orlando Mistretta, Elizabeth Kellogg, Laurel Arnseth, Peter L. Morrell 1992-4-3 88 Los Angeles San Clemente Island. Comment
  RSA0098745  Spergularia macrotheca I. L. Wiggins 1949-2-22 11962 Los Angeles Northern end of San Clemente Island. Comment
  CAS-BOT-BC390334  Spergularia macrotheca var. macrotheca Ira L. Wiggins 1949-2-21 11958 Los Angeles Wilson's Cove, San Clemente Island Comment
  SBBG20568  Spergularia macrotheca var. macrotheca E. R. Blakley 1963-12-8 6410 Los Angeles between Northwest Harbor and Whale Pt 15 Comment
  RSA0098603  Spergularia marina F. R. Fosberg 1930-6-23 S 2969 Los Angeles Del Rey. 0 Comment
  UCR214626  Spergularia rubra A. C. Sanders, Dan S. Cooper 2010-3-12 37370 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UC18960  Sphaeralcea ambigua var. ambigua J. Burtt Davy May 9-24 1896 2585 Los Angeles near West Palmdale; Antelope Valley Comment
  CAS-BOT-BC235429  Sporobolus airoides A. D. E. Elmer 1902-6-1 3623 Los Angeles Lancaster Comment
  RSA579314  Stachys albens Tim S. Ross, Orlando Mistretta, Carolyn Neal 1994-7-1 8080 Los Angeles Sheep Camp Spring, 334 degrees and 520m NNW of Pacifico Mtn summit, at the headwaters of Santiago Canyon 1921 Comment
  UCR194283  Stachys albens R. G. Swinney 1998-8-5 6641 Los Angeles San Gabriel Mtns., Prairie Fork, c. 250 m east of confluence with Vincent Gulch 1366 Comment
  UCR277053  Stachys albens R. G. Swinney 2011-9-22 15661 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  LA52386  Stachys bullata Carl Epling; M. Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  LA82035  Stachys bullata O. H. Kappler; 1943-4-30 381 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA292546  Stachys bullata Richard S. Hood 1970-5-16 307 Los Angeles Santa Monica Mountains: 1.9 miles north of PCH on Tuna Canyon Road in Tuna Canyon. Comment
  UCR220375  Stachys bullata R. G. Swinney 2009-4-16 10350 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
  LA200331  Stanleya pinnata Monte Lloyd; 1950-7-15 500715p 1352 Los Angeles Santa Monica Mountains, a few mi. N of Santa Monica along Pacific Coast Hwy 15 Comment
  POM158222  Stanleya pinnata P. A. Munz, I. M. Johnston 1928-9-4 11168 Los Angeles Mouth of Rock Creek. 1159 Comment
  RSA611606  Stanleya pinnata var. pinnata L. C. Wheeler 1968-5-12 s.n. Los Angeles 2/3 mile E of Juniper Bowl, Juniper Hills. 1158 Comment
  RSA670638  Stanleya pinnata var. pinnata B. C. Templeton, H. J. Andrews 1938-6-22 1702 Los Angeles Shoemaker Wash, Shoemaker Canyon, near Valyermo. Comment
  RSA478174  Stellaria media T. S. Clare 1929-4-10 s.n. Los Angeles Verdugo woodlands near Glendale Comment
  RSA596952  Stellaria media Scott D. White, Chet McGaugh 1995-5-9 3015 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
  SBBG119293  Stellaria media V. Soza, K. Hughes 1999-6-17 534 Los Angeles Chantry Flat, off USFS rd 2N41, W of water tank 701 Comment
  CAS-BOT-BC397703  Stellaria nitens Munz; Street; Williams 1919-3-15 2409 Los Angeles South Hills, Pomona Comment
  SFV12396  Stellaria nitens D. L. Koutnik 1978-5-2 454 Los Angeles Simi Hills. Bell Canyon. 427 Comment
  CAS-BOT-BC375135  Stephanomeria cichoriacea Wesley O. Griesel 1961-9-23 s.n. Los Angeles Switzers Camp, San Gabriel Mts. 762 Comment
  SD114761  Stephanomeria cichoriacea Wayne P. Armstrong 1982-10-17 Los Angeles San Gabriel Moiuntains, South fork of Big Rock Creek (along South Fork Trail) 1700 Comment
  SEINET11800542  Stephanomeria cichoriacea J. F. Bright, Wyman, C. 1931-1 5669 Los Angeles around Hollywood Comment
  UC495165  Stephanomeria exigua subsp. coronaria Philip A. Munz 1932-8-31 12819 Los Angeles Playa del Rey Comment
  RSA640501  Stephanomeria spinosa L. C. Wheeler 1967-9-4 10646 Los Angeles San Gabriel Mountains: Pine Mountain Ridge 2241 Comment
  POM199716  Stephanomeria virgata I. W. Clokey, B. C. Templeton 1929-06 4581 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  UCR125934  Stillingia linearifolia A. C. Sanders, Mark Elvin 2002-6-19 25191 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  CHSC101726  Stillingia paucidentata Scott D. White 2003-6-8 9415 Los Angeles West Mojave Desert; near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  RSA578655  Stillingia paucidentata T. S. Ross, J. Mark Porter 1994-5-1 7612 -b Los Angeles ca. 3950 m NNE of Moody Springs and 2620 m W of the LA/ San Bern. County Line. 873 Comment
  SFV22128  Stipa lepida V. Soza, L. Gross 2001-5-9 1192 Los Angeles San Rafael Hills South of mouth of Scholl Canyon. West end of Valle Vista fire road on ridgetop north of Highway 134. Upper northeast-facing slopes of ridgetop alongside fire road. 274 Comment
  LA105533  Stipa miliacea Barry A. Prigge; 1989-5-13 8736 Los Angeles Santa Susana Mountains, Blind Canyon, S fork of canyon, ca. 1.7 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd, N of Chatsworth 457 Comment
  UC2030045  Stipa parishii Louis C. Wheeler 1970-7-26 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Summit Mt. hawkins. Comment
  UCR222836  Stipa speciosa R. G. Swinney 2009-4-28 10547 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  CATA3348  Stipa tenuissima Julia Parish 2017-2-27 014 Los Angeles Santa Catalina Island: Old Ben Park in Avalon 0 Comment
  SBBG43674  Streptanthella longirostris E. R. Chandler 1967-4-14 Los Angeles near rd from Victorville to Pearblossom Comment
  RSA188308  Stuckenia pectinata Robert F. Thorne 1966-6-1 36492 Los Angeles Santa Catalina Island: Muddy margin of reservoir at upper end of Cape Canyon 335 Comment
  SBBG117054  Stylocline gnaphaloides S. A. Junak with K. Kirkland 2001-4-14 SCa 1451 Los Angeles upper portion of Middle Cyn, just upslope from E side of Middle Cyn Rd, ca. 1.2 mi from jct with Airport Rd 304 Comment
  UC31919  Stylocline gnaphaloides H. P. Chandler 1897-5-11 Los Angeles Claremont 365 Comment
  UCR126667  Stylocline gnaphaloides A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26202 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  CAS-BOT-BC376104  Stylocline psilocarphoides Timothy S. Ross 1991-4-27 4652 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +- S to SSW), ca. 0.25-0.3 miles W of the county line 1203 Comment
  LA94342  Symphoricarpos mollis J. A. Ewan; 1929-5-4 3469 Los Angeles Comment
  SFV6499  Symphoricarpos mollis T. Gordon, M. H. Grayum, P. McDonald 1974-6-4 s. n. Los Angeles Santa Susana Mountains Above cattle reservoir on Orcutt Ranch, north side of Oat Mountain Station. 1021 Comment
  UCR170453  Symphoricarpos mollis Alex R. Van Dam 2004-5-16 013 Los Angeles Western Transverse Range; Santa Monica Mtns., Franklin Canyon Park near the main parking lot on a slightly graded N-facing slope 280 Comment
  HSC24480  Symphoricarpos rotundifolius var. parishii R. F. Thorne, M. Z. Thorne 1969-7-9 38522 Los Angeles San Gabriel Mountains, Angeles National Forest: just S of Big Meadows, Big Pines. 2088 Comment
  UCR181289  Symphoricarpos rotundifolius var. parishii R. G. Swinney 1997-6-13 5587 Los Angeles San Gabriel Mtns, ridge NE of Table Mountain (peak 7473 ft.), c. 0.4 mi. west of San Bernardino Co. line 2195 Comment
  RSA772307  Syntrichopappus fremontii R. G. Swinney 2009-4-28 10526 Los Angeles summit of Mt. Emma 1585 Comment
  UC1400350  Tauschia arguta Donald R. Bissing 1973-6-2 169 Los Angeles 0.3 mi from mouth Evey Canyon (San Gabriel Mountains); , Evey Canyon 719 Comment
  CDA8909  Tetradymia axillaris H. L. Wilson 1954-4-22 s.n. Los Angeles Mohave Desert; Pear Blossom. 0 Comment
  UCSB7376  Tetradymia axillaris Phillips, Priscilla 1958-4-26 Los Angeles Little Rock, Mojave Desert Comment
  RSA474645  Tetradymia axillaris var. longispina Robert Gustafson, Christopher Davidson 1977-4-20 426 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  RSA557849  Tetradymia axillaris var. longispina D. Charlton 1989-4-7 2838 Los Angeles Kentucky Springs, 1 mile South of Hwy 14 on Sierra Hwy. 1006 Comment
  RSA730308  Tetradymia canescens R. G. Swinney 1998-9-4 6914 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA640708  Tetradymia comosa L. C. Wheeler 1931-7-21 s.n. Los Angeles Base of San Gabriel Mountains: Near Thompson Creek wash. Comment
  UC196255  Tetrapteron graciliflorum Samuel B. Parish June 1887 1895 Los Angeles Antelope Valley Comment
  LA52206  Thalictrum fendleri var. polycarpum Louis Wheeler; 1932-4-23 651 Los Angeles Santa Monica Mountains, Mandeville Canyon 137 Comment
  RSA610715  Thelypteris puberula var. sonorensis L. C. Wheeler 1933-2-18 1463 Los Angeles Rogers Canyon, San Gabriel Mts. 396 Comment
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Sep 17 2015
  UC212473  Thysanocarpus curvipes Geo. B. Grant 1903-2-1 1291 Los Angeles Pasadena Comment
  RSA0121923  Thysanocarpus curvipes subsp. amplectens A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25722 Los Angeles NE end of Santa Susand Mtns.: Newhall Ranch, canyon NE of Grapevine Mesa, SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, W of oil tanks near BM 1073. Comment
  RSA0057490  Thysanocarpus curvipes subsp. eradiatus Timothy S. Ross 1991-4-28 4765 Los Angeles Adobe Mountain: Southwesterly extension of the mountain. 926 Comment
  RSA0041852  Thysanocarpus curvipes var. curvipes Steve Boyd, Lauren Raz 1997-3-26 9358 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
  HSC87289  Thysanocarpus laciniatus Steve Boyd, T. S. Elias 1987-4-14 2050 Los Angeles San Gabriel Mtns., Rincon - Red Box Rd., S of Rincon Forest Station, N of Glendora Comment
  POM8697  Thysanocarpus laciniatus P. A. Munz, Harwood 1920-3-13 3300 Los Angeles San Jose Hills, 2.5 miles west of Pomona. 305 Comment
  RSA0039200  Thysanocarpus laciniatus F. W. Peirson 1919-4-19 5334 Los Angeles Pacoima Canyon, west end of San Gabriel Mts. 549 Comment
  RSA0039206  Thysanocarpus laciniatus Timothy S. Ross, S. D. Boyd 1990-5-17 2588 Los Angeles San Gabriel Mountains, Angeles National Forest: Mill Creek Tree Plantation, Tujunga District. 1613 Comment
  RSA0074062  Thysanocarpus laciniatus Tom Burch 1940-3-17 s.n. Los Angeles Near Newhall. 609 Comment
  UC1563051  Thysanocarpus laciniatus var. hitchcockii Steve Boyd and Orlando Mistretta 1986-3-31 1540 Los Angeles 4 mi e Highway 138 junction with Highway 18 (ne of Pinyon Hills); Mojave Desert, ne of Pinyon Hills Comment
  LA202376  Torilis arvensis Arthur C. Gibson; 2003-6-9 4914 Los Angeles Santa Monica Mountains, Old Topanga Canyon, near the village of Topanga 243 Comment
  CATA494  Toxicodendron diversilobum Sara L. Crockett 1997-4-1 636 Los Angeles Santa Catalina Island: 0.7 mile up Skull Canyon, near end of road past dump site, adjacent to dry creek bed 265 Comment
  UC216518  Toxicodendron diversilobum A. J. Mc. 1893-4-5 Los Angeles Pasadena Comment
  RSA735917  Tragopogon porrifolius Justin M. Wood 2008-5-31 11 Los Angeles Santa Monica Mountains National Recreation Area, Topanga Canyon, Hondo Creek Trail. Comment
  UCR143318  Tribulus terrestris Anstruther Davidson 1902-8-1 771 Los Angeles South Coast, Long Wharf, Santa Monica 30 Comment
  UCR282217  Tribulus terrestris Dan S. Cooper 2015-10-14 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Los Angeles, Griffith Park, Vermont Canyon 259 Comment
  RSA390078  Tribulus terrestris Geo. L. Moxley 1913-6-13 153 Los Angeles Railroad tracks. East of LA. Comment
  RSA447156  Trichostema lanatum N. C. Cooper 1945-5-1 2207 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  POM188629  Trichostema parishii Louis C. Wheeler 1932-7-2 919 Los Angeles San Gabriel Mts. Wolfskill Canyon-Browns Flat trail. 1311 Comment
  SD197783  Trifolium A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25531 Los Angeles Santa Clara River Valley: Newhall Ranch, Santa Clara River at dirt road crossing near Del Valle. 274 Comment
  RSA717297  Trifolium albopurpureum Scott D. White, Pam De Vries 2006-5-9 11402 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
  UC165618  Trifolium ciliolatum E. D. Palmer May 1903 Los Angeles South Pomona Comment
  SBBG86010  Trifolium depauperatum S. A. Junak with M. L. Hoefs, L. Stratton 1998-3-21 SCa 493 Los Angeles ridge on W side of Cape Cyn, SSW of Black Jack Pk 457 Comment
  UC165607  Trifolium gracilentum E. D. Palmer 1902-5-1 Los Angeles near Glendora (roadside) Comment
  RSA91568  Trifolium gracilentum F. W. Peirson 1923-4-9 3437 Los Angeles Lemon Tank, Middle Ranch, San Clemente Island. Comment
  RSA599332  Trifolium gracilentum var. gracilentum Steve Boyd, Lauren Raz 1997-3-26 9360 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
  SBBG44229  Trifolium microcephalum R. N. Philbrick with R. F. Thorne 1967-3-19 67 258 T Los Angeles between Sweetwater and Middle Ranch Cyns Comment
  UC137711  Trifolium microcephalum C. F. Baker 1904-5-5 4772 Los Angeles Claremont Comment
  POM11909  Trifolium microcephalum Clemens 1922-5-27 s.n. Los Angeles Fish Canyon Comment
  UCR223518  Trifolium obtusiflorum R. G. Swinney 2009-6-8 11071 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  RSA762698  Trifolium variegatum R. G. Swinney 2008-7-24 9350 Los Angeles Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  POM6796  Trifolium willdenovii Philip A. Munz, Street, Williams 1919-4-5 2474 Los Angeles Puddingstone Canyon. Comment
  RSA133801  Trifolium willdenovii H. J. Thompson 1959-5-24 2028 Los Angeles 0.5 mile east of peak; Saddle Peak. 701 Comment
  POM349545  Trifolium willdenovii Fossler 1923-4-2 s.n. Los Angeles near Arroyo Seco Comment
  RSA0110584  Trisetum spicatum R. G. Swinney 2011-7-29 15563 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  SBBG95681  Triteleia clementina A. Liston, O. Mistretta, L. Rieseberg 1989-4-30 805 -3 Los Angeles Waynuk Cyn Comment
  UCR125414  Tropidocarpum gracile A. C. Sanders, Mark Elvin 2003-3-5 25736 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
  SD65473  Turricula parryi Reid Moran 1967-7-22 14080 Los Angeles San Gabriel Mountains: Chilao, on ridge. 1650 Comment
  UC1348899  Turricula parryi Robert F. Thorne 35372 Los Angeles e of Camp Lupine (Prairie Fork); San Gabriel Mts., Angeles National Forest 2133 Comment
  UC73680  Turricula parryi Geo. B. Grant Jul 1902 416 Los Angeles Mt. Lowe 1524 Comment
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Dec 4 2015
  UCR273575  Turricula parryi R. G. Swinney 2011-7-7 15461 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  UCR206518  Typha A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36948 Los Angeles San Gabriel Valley, Baldwin Park, San Gabriel River channel south of Ramona Blvd. and north of I-10 Fwy, under SCE powerlines 91 Comment
  RSA13551  Typha latifolia Phillip A. Munz 1922-11-20 6571 Los Angeles Hills south of San Dimas. Comment
  RSA623931  Typha latifolia R. M. Selle 1931-7-3 162 Los Angeles Arroyo Seco, Pasadena Comment
  RSA525101  Ulmus minor Tim S. Ross, Steve D. Boyd 1990-6-6 2857 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA446342  Umbellularia californica Richard C. Barkelew 1929-2-23 sn Los Angeles Nichols Canon. Above bank of intermittant stream. 2100 Comment
  RSA653532  Umbellularia californica LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 294 Los Angeles Verdugo Mountains: Hostetter Mountainway. 701 Comment
  RSA760594  Umbellularia californica R. G. Swinney 2008-12-6 9960 Los Angeles Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 256 Comment
  RSA0073589  Uropappus lindleyi Orlando Mistretta, Christine Mistretta 2005-4-21 2065 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  CAS-BOT-BC381896  Uropappus lindleyi L. S.; G. W. 1919-4-12 2499 Los Angeles Foothills near Puente Comment
  LA34198  Urtica dioica subsp. holosericea Peter H. Raven; Henry J. Thompson 1959-6-4 14349 Los Angeles Santa Monica Mountains, Point Dume 12 Comment
  RSA0081634  Urtica dioica subsp. holosericea R. G. Swinney 2010-9-9 13748 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  SBBG53206  Urtica urens S. A. Junak 1978-4-15 SCa 32 Los Angeles near Cherry Valley Boy Scout camp Comment
  LA200278  Venegasia carpesioides A. M. Johnson; 1934-3-24 4385 Los Angeles Santa Monica Mountains, Sepulveda Canyon, Lower end Sepulveda Canyon Comment
  RSA475486  Venegasia carpesioides Thekla Mohr 1911-1 1931 Los Angeles Topanga, Los Angeles Comment
  UCR256455  Veratrum californicum R. G. Swinney 2010-10-13 14025 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  RSA549812  Verbascum virgatum Wandalee Thompson 1964-6-16 48 Los Angeles Along San Francisquito Canyon Road near old Saint Francis dam site, San Francisquito Canyon Comment
  POM4005  Verbena bracteata L. R. Abrams 1901-6-6 1741 Los Angeles Inglewood. Comment
  SD69553  Verbena bracteata Robert F. Thorne 1966-6-2 36516 Los Angeles Santa Catalina Island, dry mud margin of Echo lake, NNE of Black Jack Mt. 1349 Comment
  UCR192846  Verbena lasiostachys R. G. Swinney 1998-7-6 6280 Los Angeles San Gabriel Mtns., 0.2 mi. up western tributary of Mescal Canyon, 2.3 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1585 Comment
  RSA226057  Verbena lasiostachys var. lasiostachys Robert F. Thorne, C. W. Tilforth 1971-6-17 39918 Los Angeles 1.4 mile along Placerita Canyon Road beyond Sand Road Junction, W end of San Gabriel Mountains 610 Comment
  UCSB5672  Verbena lasiostachys var. lasiostachys Crum, Charles 1958-7-3 Los Angeles Crystal lake recreation area, near Los Angeles 1828 Comment
  HSC21751  Verbena pulchella Gerald T. Rood 1962-4-20 27 Los Angeles 21905 Redbeam Ave., Torrance, on E side of lot. Comment
  POM243745  Verbena robusta F. R. Fosberg 1931-5-2 S- 4741 Los Angeles Middle Ranch Canyon Santa Catalina Island 200 Comment
  CAS-BOT-BC327010  Verbesina encelioides Le Roy Abrams 1901-4-4 1318 Los Angeles Los Angeles River, San Fernando Valley Comment
  UCR183574  Vicia hassei A. C. Sanders, T. B. Salvato, Michael Honer 2007-4-25 33534 Los Angeles Western Transverse Range; Liebre Mtns. Region, south of hwy 138 just east of mouth of Horse Camp Canyon, c. 1 mile ENE of La Liebre Ranch 976 Comment
  SD232257  Vicia villosa V. Soza, LeRoy Gross 2001-5-22 1235 Los Angeles Transverse Ranges, San Gabriel Mountains region: Morgan Fire 2000 area, between Morgan and Sycamore Canyons, at end of old fire road west of Sycamore Motorway. 715 Comment
  RSA305027  Vicia villosa var. glabrescens H. J. Thompson 1959-5-31 2060 Los Angeles East of junction of Latigo Canyon Road with Mulholland Highway 518 Comment
  RSA412688  Viola pedunculata Anstruther Davidson 1890-2-7 1809 Los Angeles East Los Angeles. Comment
  RSA412692  Viola pedunculata E. Crow 1929-2-17 157 Los Angeles Foothills NE of Glendora. Comment
  UC153889  Viola pedunculata LeRoy Abrams 1903-3-8 3108 Los Angeles hills near Inglewood Comment
  POM3019  Viola pedunculata J. H. Barber 1897-3-14 54 Los Angeles Santa Monica Forestry Station. Comment
  RSA485828  Viola pedunculata T. S. Elias, Orlando Mistretta 1988-2-10 10666 Los Angeles San Clemente Island: Dead Man's Curve adjacent to Eagle Canyon, East side of island Comment
  UCSB41812  Viola pedunculata Holland, Don 1971-3-17 Los Angeles West end of Pudding- stone Reservoir, off San Dimas Ave 335 Comment
  OBI7142  Viola purpurea subsp. quercetorum G. L. Parsons 1976-5-22 73 Los Angeles San Gabriel Mts, alongside rd, 5 mi SE of Valyermo Comment
  RSA592179  Vulpia microstachys L. C. Wheeler 1967-5-12 9443 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA716673  Vulpia microstachys Scott D. White, Pam DeVries 2006-5-10 11430 Los Angeles St Tehachapi: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  CHSC95714  Vulpia microstachys var. pauciflora LeRoy Gross 2005-4-28 2167 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. T4N R12W, 11wS1, 6, NE1/4 of 1, NW1/4 of 6) Alt. 1235-1413m/4052-4635 ft. General collecting started from a slight decline bench south of the ridgeline. 1324 Comment
  POM352978  Vulpia myuros var. hirsuta M. B. Dunkle 1928-3-31 1779 Los Angeles Little Harbor, Santa Catalina Island. Comment
  RSA593185  Vulpia myuros var. myuros L. C. Wheeler 1967-5-2 9269 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 381 Comment
  UCD94421  Vulpia octoflora Robert F. Thorne; J. Henrickson 1963-5-5 32321 Los Angeles Ca. 4 miles N of Claremont. Cobal Canyon, San Gabriel Mountains. 518 Comment
  UC1024637  Vulpia octoflora var. hirtella Leo Whitney 1935-3-29 3011 b Los Angeles 20 mi w Lancaster Comment
  SFV20829  Vulpia octoflora var. octoflora L. Gross, V. Soza 2003-5-15 904 a Los Angeles Verdugo Mountains Northwest side of Verdugo 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 came back down into a small canyon at the end of Elben Place just east of where started. North-facing slope near top of ridge. 518 Comment
  SBBG61637  Xanthium spinosum R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  UCR161632  Xanthium spinosum Mike Misenhelter 2005-10-5 s.n. Los Angeles Los Angeles Basin, Carson, old landfill site SE of intersection of 110 (Harbor) and 405 (San Diego) freeways, west side of Dominguez Channel and 405, east of Main St. 12 Comment
  CATA3495  Xanthium strumarium Benjamin J. Dion, Michael Thomas 2017-11-1 047 Los Angeles Santa Catalina Island: Channel side; bottom of main drainage above beach in the Lorenzo Beach watershed 36 Comment
  JEPS37542  Xanthium strumarium Elizabeth Day Palmer 1908-7-17 Los Angeles Los Angeles Comment
  RSA0084861  Xanthium strumarium R. G. Swinney 2010-9-1 13671 Los Angeles Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  UCSB69239  Xylorhiza tortifolia Gross, LeRoy 2005-5-3 Los Angeles Transverse Ranges; San Gabriel Mountains region; West terminus of Holcomb Ridge, west of Big Rock Creek; north of Fort Tejon Road, west of Valyermo Road; near 34.46587N, 117.86280W to 34.46838N, 117.87262W...[see label for more locality info] 1215 Comment
  JEPS80012  Yucca whipplei I. W. Clokey 1935-7-1 6994 Los Angeles Pasadena Glen 400 Comment
  RSA0048490  Yucca whipplei subsp. intermedia Geo. R. Julian 1962-5-21 s.n. Los Angeles Topanga Canyon, Santa Monica Mountains. 274 Comment
  RSA128  Yucca whipplei var. whipplei J. T. Howell 1928-6-29 996 Los Angeles Seminole Hot Springs Road, Santa Monica Mountains 457 Comment
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May 21 2014
  RSA180737  Yucca whipplei var. whipplei Patricia Wilder 1963-6-11 1402 Los Angeles Jct. of roads to Tanbark Flats and San Dimas Canyon Comment
  UC2026493  Zannichellia palustris Louis C. Wheeler 1945-8-16 6096 Los Angeles WHITTIER: San Jose Creek at Workman Mill Road. Comment
  SEINET12189281  Zauschneria californica J. F. Bright, Wyman, C. 1931-1 5675 Los Angeles Hollywood Comment
  SBBG31957  Zeltnera venusta R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -166 Los Angeles Middle Ranch Comment



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