Search Results — 2000 specimen records retrieved (1594 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG31016  Abronia maritima R. F. Thorne with P. C. Everett 1965-5-11 34564 Los Angeles N beach of Little Harbor 1 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
  UCR280903  Acamptopappus sphaerocephalus var. hirtellus R. G. Swinney 2014-4-23 16148 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  UC870077  Acer macrophyllum K. Kneen 1933-4-29 Los Angeles Topanga Canyon Comment
  UC1595220  Achillea millefolium Tim Ross and Peter Fritsch 1990-6-20 3654 Los Angeles ridgetop between West Fork San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1255 Comment
  UC1872959  Achillea millefolium John Knapp and Denise Knapp 2003-5-11 70 Los Angeles Catalina Island; 363562.47 x 3701217.74E. Coasstal scrub. Base northeasst-facing slope. 7 Comment
  POM6429  Achillea millefolium var. californica L. T. Street, G. Williams 1919-4-12 2508 Los Angeles Hills near Puente. Comment
  RSA416191  Achillea millefolium var. californica M. B. Dunkle 1939-4-6 7292 Los Angeles Mosquito Harbor, San Clemente Island Comment
  UC934033  Achnatherum coronatum H. L. Cogswell 1951-5-8 98 Los Angeles 3/4 mi n San Dimas Foothill County Park; San Gabriel Mountains 518 Comment
  UCSB43905  Achnatherum coronatum Green, Lisa 1980-5-30 Los Angeles slope of N side of Mayan Dr, 0.25 mi from Topanga Canyon Rd. 396 Comment
  RSA613498  Achnatherum hymenoides L. C. Wheeler 1968-9-7 s.n. Los Angeles San Gabriel Mtns.: Big John Flat. 1737 Comment
  UCD51212  Achnatherum occidentale subsp. pubescens G. L. Stebbins Jr. 1941-6-19 3144 Los Angeles on road from Big Pines resort to Smithsonian Observatory. 1981 Comment
  RSA588149  Achnatherum speciosum Orlando Mistretta 1994-5-23 1224 Los Angeles Little Rock Creek. Drainage E of Creek and N of Forest Rd. 4N15 1341 Comment
  RSA775504  Achnatherum speciosum Orlando Mistretta, Christine Mistretta 2010-5-20 5164 Los Angeles San Gabriel Mountains region: Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  RSA583009  Achyrachaena mollis Tim Ross, Janet Takara, S. Otte 1993-4-24 6946 Los Angeles Santa Catalina Island. Along road between Upper Buffalo Corral Reservoir and Summit Reservoir, ca 260 m due S of 932-ft knoll. 221 Comment
  UCR187221  Achyrachaena mollis A. C. Sanders 2006-4-18 32111 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  SFV1831  Acmispon argophyllus K. A. Wilson 1961-7-13 1247 Los Angeles Santa Monica Mountains Mulholland Highway, 0.5 miles west of Seminole Hot Springs. 275 Comment
  CAS-BOT-BC204747  Acmispon argophyllus var. argenteus L. R. Abrams; I. L. Wiggins 1931-7-6 343 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor Comment
  CAS-BOT-BC204777  Acmispon argophyllus var. argenteus John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  CATA473  Acmispon argophyllus var. argenteus Sara L. Crockett, Steve Junak, Mark Hoefs, Janet Takara 1997-3-28 615 Los Angeles Santa Catalina Island: 1.1 miles S of Two Harbors on Cat Harbor Road; ca. 30 m upslope 30 Comment
  SBBG96967  Acmispon argophyllus var. argenteus S. Boyd with T. Ross, L. Arnseth 1990-4-8 4309 Los Angeles near Malo Pt, first cyn S of Bryce Cyn Comment
  UC1587220  Acmispon argophyllus var. argenteus Tim Ross 1991-5-20 5350 Los Angeles San Clemente Island. Un-Named knoll, S of Wilson Cove Settlement; westerly slope 2500 ft NW of the 750' BM. Comment
  SEINET5327594  Acmispon dendroideus var. dendroideus A. A. Heller 1908-7-16 8952 Los Angeles Near Avalon, Santa Catalina Island Comment
  UC1952554  Acmispon dendroideus var. traskiae Francis H. Elmore 1939-11-26 Los Angeles Wilson Cove, San Clemente Island. Comment
  UCD104128  Acmispon glaber Marc Meyer; Mike Alvord 1993-5-1 23 Los Angeles San Gabriel Mts., Chatsworth, at end of Desoto Ave. by 118 Fwy. 400 Comment
  UCD104148  Acmispon glaber G. H. Vansell Date unknown s.n. Los Angeles Palmdale, Antelope Valley. Comment
  SBBG20674  Acmispon glaber M. Vincent 1962-7-5 268 Los Angeles Old Topanga Cyn Rd, 4 mi S of Ventura Blvd Comment
  CATA3496  Acmispon grandiflorus var. grandiflorus Benjamin J. Dion, Michael Thomas, Nathalie Cartan 2017-11-2 048 Los Angeles Santa Catalina Island: Pacific side; roadside on eroded slope 1m above (north of) Silver Peak Road, northwest of Silver Peak 457 Comment
  SEINET13203256 Image available Acmispon maritimus R. G. Swinney 2011-1 14478 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SD215524  Acmispon maritimus var. maritimus Steve Boyd, Lauren Raz and Timothy S. Ross 1997-4-1 9452 Los Angeles Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat. 792 Comment
  SBBG95249  Acmispon micranthus M. B. Dunkle 1928-4-10 1841 Los Angeles above Parson's Landing Comment
Read comments
Mar 14 2012
  SBBG125330  Acmispon strigosus A. Parikh, N. Gale 2010-6-22 3359 Los Angeles Upper Shortcut Cyn, 0.9 km S of St Hwy 2, 1.4 km SE of intersection of St Hwy 2 and Upper Big Tujunga Cyn Rd, San Gabriel Mtns 1370 Comment
  SBBG68094  Acmispon strigosus R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  UCR270536  Acourtia microcephala R. G. Swinney 2010-5-7 12578 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
  UCR65245  Acourtia microcephala F. R. Fosberg 1931-5-18 S- 04905 Los Angeles Channel Islands, Santa Catalina Island, Cottonwood Canyon 60 Comment
  RSA94810  Acourtia microcephala F. W. Peirson 1919-7-1 520 Los Angeles South base of San Gabriel Mtns, Fish Canyon. 457 Comment
  UC35624  Acourtia microcephala J. H. Barber 1897-6-20 166 Los Angeles Santa Monica Experiment Station; Southern California Comment
  CDA19945  Acroptilon repens J. Santos 2002-7-1 PDR 053580 Los Angeles Southern California; Sierra Hwy & Ave E. 0 Comment
  CAS-BOT-BC133188  Adenostoma fasciculatum L. R. Abrams; I. L. Wiggins 1931-7-4 335 Los Angeles White's Landing, Santa Catalina Island Comment
  CHSC95533  Adenostoma fasciculatum LeRoy Gross; Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1087 Los Angeles Transverse Ranges; Verdugo Mountains region: North side of mountains; South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  HSC18433  Adenostoma fasciculatum C. E. Fellows 1965-4-13 34 Los Angeles 2 mi. S of Hwy. 118 on Box Canyon Rd., Chatsworth Comment
Read comments
Oct 1 2014
  RSA653891  Adenostoma fasciculatum Valerie L. Soza, Laura Moore 2000-5-10 827 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. 579 Comment
  UCR255816  Adenostoma fasciculatum R. G. Swinney 2010-5-4 12500 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA0030945  Adenostoma fasciculatum Bill Dewal s.n. Los Angeles Montrose Comment
  RSA596054  Adenostoma fasciculatum var. fasciculatum Tim S. Ross, J. Mark Porter 1995-5-4 8423 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UCR271309  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-10-10 15752 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  UCSB2726  Adenostoma fasciculatum var. fasciculatum Haller, Norman 1953-3-28 Los Angeles Along Mulholland Dr. above Sepulveda. Santa Monica Mts. 457 Comment
  RSA729555  Adiantum capillus-veneris R. G. Swinney 1999-7-14 7553 Los Angeles Allison Gulch, an eastern tributary of East Fork San Gabriel River Canyon. 1012 Comment
  UCR193594  Adiantum capillus-veneris R. G. Swinney 1998-8-6 6704 Los Angeles San Gabriel Mtns., Alder Gulch, a western tributary of upper East Fork San Gabriel River 1311 Comment
  UCR194589  Adiantum jordanii R. G. Swinney 1999-4-9 7083 Los Angeles San Gabriel Mtns., mouth of Peacock Canyon, at confluence with Cattle Canyon 640 Comment
  CDA20106  Agave attenuata M. O'Brien 2003-2-9 MOB 3 -03 Los Angeles South Coast; Malibu Bluffs Recreation Area, Pacific Coast Hwy & Malibu Canyon Rd. 0 Comment
  CHSC69992  Ageratina adenophora Amy Austin; Tony LaBanca, Noreen McClintock 1990-3-13 11 Los Angeles San Bernardino National Forest, on San Gabriel Canyon Road. Near roadside. Comment
  RSA547827  Ageratina adenophora T. S. Ross, Peter Fritsch 1990-6-20 3643 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
  RSA657155  Ageratina adenophora Joseph M. Keefe 2001-1-19 30887 Los Angeles 5623 Raber Street, at intersection with Upperton Avenue, Highland Park District 207 Comment
  RSA729576  Ageratina adenophora R. G. Swinney, D. W. Larson 1999-5-15 7180 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 Comment
  HSC92034  Ageratina adenophora Amy Austin, Tony LaBanca, Noreen McClintock 1990-3-13 11 Los Angeles San Bernardino National Forest, on San Gabriel Canyon Rd. 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
  RSA229174  Agrostis exarata R. F. Thorne, C. W. Tilforth 1971-6-29 40718 Los Angeles San Gabriel Mountains, Angeles National Forest: Aliso Creek at Tie Canyon where crossed by Angeles Forest Road. 1372 Comment
  RSA78217  Agrostis exarata J. C. Roos 1951-7-30 5076 Los Angeles North slope Mt. Baden Powell, San Gabriel Mountains. 2043 Comment
  RSA802333  Agrostis exarata Orlando Mistretta, Christine Mistretta 2011-7-7 5924 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  CAS-BOT-BC139052  Agrostis pallens Peter H. Raven; H. L. Wedberg 1957-6-15 10902 Los Angeles In Latigo Canyon 0.8 mile north of U.S. 101A, Santa Monica Mountains. Comment
  SBBG131613  Agrostis pallens S. A. Junak 1999-5-21 SCa 999 Los Angeles Goat Harbor, near W end of beach, N-facing coastal bluffs 6 Comment
  CDA4017  Albizia lophantha Robert Gustafson 1981-4-14 2171 Los Angeles Coastal Plains & Basins; Los Angeles Basin region; Ballona Wetlands, area 2 0 Comment
  SD230102  Alisma triviale Louis C. Wheeler 1951-8-20 6836 Los Angeles Devils Gate Dam. Sunny mud flat behind dam. Comment
  UCR104720  Allenrolfea occidentalis David Charlton 1989-4-13 2898 a Los Angeles Western Mojave Desert, Northern edge of Palmdale, corner of 10th Street W & Ave. 'M' at Amargosa Creek 762 Comment
  UC194801  Allium burlewii A. Davidson, M. D. July 1916 3164 Los Angeles Mt. San Antonio Comment
  UC1339531  Allium lacunosum S. W. Hutchinson 1933-4-24 5546 Los Angeles on the Del Sur road near Palmdale; Mohave Desert, Antelope Valley 813 Comment
  CAS-BOT-BC472004  Allium lacunosum var. davisiae Louis C. Wheeler 1932-4-10 607 Los Angeles 2 mi. W. Palmdale, Mohave Desert Comment
  SBBG133130  Allium peninsulare S. A. Junak 1996-4-13 SCI- 309 Los Angeles 0.09 mi NW of Camera Pad "Malo", W of head of 3rd cyn S of Bryce Cyn, in small swale 365 Comment
Read comments
Aug 5 2019
  UC557647  Allium praecox Nell Murbarger May, 1936 227 Los Angeles w side of San Clemente Island San Clemente Island Comment
  RSA410064  Allophyllum divaricatum Geo L. Moxley 1919-5-31 337 Los Angeles Santa Anita Canyon. Comment
  UC624998  Allophyllum glutinosum F. R. Fosberg 1931-7-14 15413 Los Angeles Hamilton Canyon Santa Catalina Isl., Hamilton Canyon 30 Comment
  UC1211130  Alnus rhombifolia Huron H. Smith 1912-4-30 4878 Los Angeles Mt. Wilson Comment
  UCR212836  Alnus rhombifolia Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1833 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  SEINET239000 Image available Alternanthera philoxeroides Unknown 1965-9-23 Los Angeles San Gagriel River watershed: Whittier Narrows (El Monte 7.5' Q.) 61 Comment
  RSA702362  Amaranthus albus Scott D. White, P. De Vries 2004-6-14 10496 A Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  UCR262301  Amaranthus albus R. G. Swinney 2010-6-8 13217 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  LA31572  Amaranthus albus Henry J. Thompson; 1958-10-23 1825 Los Angeles Santa Monica Mountains, Point Dume, Along road 30 Comment
  SFV6616  Amaranthus powellii T. Gordon, K. A. Wilson 1974-5-29 228 Los Angeles San Fernando Valley NW corner of Balboa and Parthenia. In recently plowed field. Comment
  SBBG112877  Amblyopappus pusillus S. A. Junak with M. L. Hoefs, K. Kirkland 1998-7-17 SCa 767 Los Angeles lower portion of Silver Cyn, ca. 0.25 mi inland from beach 12 Comment
  UC729789  Amblyopappus pusillus Carl B. Wolf 1932-5-11 3569 Los Angeles w side of (at point) Fourth O'July Cove; Santa Catalina Island 30 Comment
  RSA481993  Ambrosia acanthicarpa Richard Noyes 1988-9-18 744 Los Angeles Behind San Antonio Dam 701 Comment
  LA31645  Ambrosia chamissonis Peter H. Raven; Henry J. Thompson 1959-6-4 14331 Los Angeles Santa Monica Mountains 45 Comment
  JEPS30671  Ambrosia psilostachya Peter H. Raven and Henry J. Thompson 1959-9-6 14381 Los Angeles mouth of Malibu Creek; Santa Monica Mountains, Malibu Creek 12 Comment
  SBBG18026  Ambrosia psilostachya D. E. Breedlove 1961-9-24 1293 Los Angeles Middle Ranch Cyn, 0.5 mi above Ben Weston Beach 60 Comment
  CAS-BOT-BC272926  Ambrosia salsola Le Roy Abrams; E. A. McGregor 1908-7-2 542 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1158 Comment
  SBBG70997  Amelanchier alnifolia R. Hoffmann 1929-5-19 Los Angeles below Los Angeles Recreation Park, above Big Rock Crk Comment
  RSA772277  Amorpha californica R. G. Swinney 2009-5-8 10696 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  SBBG98540  Amsinckia intermedia T. Ross 1991-5-21 5425 Los Angeles upper reaches of Box Cyn, SW side of island 365 Comment
  UC159172  Amsinckia intermedia Geo. B. Grant 1901-1 40 Los Angeles Pasadena; Pacific Coast Comment
  UCR200173  Amsinckia retrorsa Valerie Soza, Laura A. Moore 2000-5-10 853 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines to peak ''1936' 579 Comment
  CHSC8309  Amsinckia tessellata Edward L. Smith 1958-2-18 315 Los Angeles Located in Cobal Canyon. San Gabriel Mt. Range. 60 Comment
  SFV12030  Amsinckia tessellata D. L. Koutnik 1978-3-23 125 Los Angeles North side of State Highway 18 and just west of the Los Angeles-San Bernardino County line. 960 Comment
  SBBG58480  Anagallis arvensis M. N. Ackley -Apr-1928 795 Los Angeles Eagle Rock 182 Comment
  RSA599617  Ancistrocarphus filagineus Steve Boyd, Lauren Raz 1997-4-16 9511 Los Angeles Liebre Mountains region: Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5. 853 Comment
  UCR253910  Ancistrocarphus filagineus Mitch Provance 2010-5-11 0510- 14 Los Angeles Westernmost Mojave Desert, south of Hwy 138 between Quail Lake and Neenach 960 Comment
  JEPS20402  Androsace elongata subsp. acuta Philip A. Munz 1937-3-26 14937 Los Angeles San Dimas , San Dimas (Puddingstone Canyon) 304 Comment
  SBBG126948  Androsace elongata subsp. acuta A. Parikh, N. Gale 2011-6-7 3421 Los Angeles 4.1 km W of St Hwy 14, 2 km SW of California Aqueduct; Sierra Pelona, Liebre Mtns 1028 Comment
  NY43179  Anemopsis californica J. B. Walker 1995-6-7 1440 Los Angeles Santa Catalina Island, at Big Spring, NE of Little Harbor 180 Comment
  RSA702947  Anisocoma acaulis Scott D. White, Michael Honer 2004-3-30 9956 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of 'Four Points' 838 Comment
  UCD97909  Anredera cordifolia Peter Shamble 1964-12-18 s.n. Los Angeles Excel Lawn Service, 3440 N. Magnum St., Baldwin Park. Comment
  SBBG31338  Anthemis cotula R. F. Thorne with P. C. Everett 1965-6-23 34961 Los Angeles Middle Ranch, in pasture near barn Comment
  HSC87302  Anthriscus caucalis Steve Boyd, Thomas Elias 1987-4-14 2046 Los Angeles San Gabriel Mtns., Rincon - Red Box Rd., S of Rincon Forest Station, N of Glendora Comment
  RSA0120032  Anthriscus caucalis R. G. Swinney 2014-5-15 16524 Los Angeles San Gabriel Mountains; Azusa Peak, 0.06 miles s. of Glendora Ridge Mtwy., 1.34 mi. due east of Hwy. 39, 0.15 miles e. of north Garcia Trailhead, in Colby Fire burn area of Jan. 2014. 625 Comment
  RSA0034298  Antirrhinum coulterianum Orlando Mistretta 1990-7-2 s.n. Los Angeles Bear Flat 1746 Comment
  UC130952  Antirrhinum coulterianum Katharine Brandegee May 1909 Los Angeles Saugus Comment
  UC1424947  Antirrhinum coulterianum Robin S. Collins 1973-5-28 324 Los Angeles Angeles National Forest, San Gabriel Mts.: along Packtrail ca. 2.5-3.0 miles into Canyon 762 Comment
  RSA425826A  Antirrhinum kelloggii Blanche Trask 1897-05 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UCR281611  Antirrhinum kelloggii R. G. Swinney 2014-5-21 16644 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
  JEPS83290  Antirrhinum multiflorum David M. Thompson 1983-8-1 383 Los Angeles on road from Mills Avenue, Claremont to Mount Baldy (about 100 ft n of n-most of two highway tunnels, Mt. Baldy Quad. (7.5', 1967)); Angeles National Forest, San Gabriel Mts. Comment
  RSA580188  Antirrhinum multiflorum Tim S. Ross, Steve D. Boyd 1994-5-25 7919 Los Angeles Warm Springs Mountain: ca 450 m NW of summit. 1140 Comment
  RSA584973  Antirrhinum multiflorum Tim S. Ross 1993-5-16 7160 Los Angeles San Gabriel Mountains: Upper Monroe Road; ridgetop hillock on the divide between Persinger, Horse and Little Dalton canyons; ca 850-930 m NW of Horse Canyon Saddle. 1024 Comment
  RSA653046  Antirrhinum multiflorum A. C. Sanders, D. Malueg 1998-6-24 22056 Los Angeles San Gabriel Mtns.: CCC Ridge, off Hwy 2 just N of Pasadena city limit, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  CATA2992  Aphanisma blitoides Peter J. Dixon 2015-2-26 024 Los Angeles Santa Catalina Island: Pensioner's Flats watershed, .70 mile South of Little Harbor, .53 mile East of Sentinel Rock. Near drainage, halfway between coast and Middle Cyn. Rd. 88 Comment
  UC20825  Apium graveolens Harley P. Chandler 1897-6-21 Los Angeles Claremont 365 Comment
  RSA470399  Apium graveolens Robert Gustafson 1980-7-9 1785 Los Angeles Ballona Wetlands, Area 1, occasional in areas 1& 3. Comment
  UCR210158  Aquilegia formosa R. G. Swinney 2008-8-13 9359 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  RSA0126432  Arabis glabra Anstruther Davidson 1890-05 s.n. Los Angeles [no locality information provided] Comment
  RSA0126405  Arabis glabra var. glabra L. C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport 1402 Comment
  RSA0073287  Arabis perennans Bonnie C. Templeton 1932-5-31 4849 Los Angeles Big Pines Camp, San Gabriel Mts. Comment
  RSA230716  Arabis pulchra var. gracilis R. F. Thorne, M. Z. Thorne 1969-7-9 38556 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station 2134 Comment
  UCR270870  Arabis repanda R. G. Swinney 2011-8-17 15631 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  RSA0128827  Arabis sparsiflora R. G. Swinney 1998-4-13 5959 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  UCR277122  Arctostaphylos R. G. Swinney 2010-9-23 13890 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  RSA167842  Arctostaphylos catalinae R. F. Thorne, Percy C. Everett 1964-2-7 33491 Los Angeles ridge S of Bulrush Canyon, Santa Catalina Island 396 Comment
  UCSB43769  Arctostaphylos catalinae Nakashima, L. 1982-4-18 Los Angeles 1.6 miles south of Catalina airfield in Cottonwood Canyon on Santa Catalina Island 426 Comment
  RSA626723  Arctostaphylos glandulosa Jon E. Keeley 22065 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on road to Pacifico Mountain. 2000 Comment
  RSA626737  Arctostaphylos glandulosa Jon E. Keeley 1978-9-4 7230 Los Angeles Mt. Gleason (Arcto study site). 2000 Comment
  RSA626757  Arctostaphylos glandulosa Jon E. Keeley 1978-9-4 7235 Los Angeles Mt. Gleason (Arcto study site). 2000 Comment
  RSA626771  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-9 16017 Los Angeles Ridge Route, 23 km south of Liebre Gulch turnoff. 800 Comment
  RSA631304  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 21996 Los Angeles Liebre Mountains, 3.5 km east of Bear Campground. 1675 Comment
  UCR223915  Arctostaphylos glandulosa R. G. Swinney 2009-6-24 11280 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  RSA626743  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley 1978-9-2 7226 Los Angeles Singing Pines Camp, Angeles Crest Hwy. 2000 Comment
  CAS-BOT-BC23241  Arctostaphylos glandulosa subsp. glandulosa LeRoy Abrams 1901-4-13 1520 Los Angeles Wilson's Peak 1219 Comment
  UC193241  Arctostaphylos glandulosa subsp. mollis Samuel B. Parish June 1887 1957 Los Angeles San Francisquito Canyon Comment
  CAS-BOT-BC39305  Arctostaphylos glauca C. F. Baker 1904-2-15 4013 Los Angeles San Antonia Canyon, Claremont Comment
  RSA0070188  Arctostaphylos glauca LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6954 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
  RSA631419  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15704 Los Angeles Angeles Forest Highway, 8 km north of Big Tujunga Canyon turnoff. 1300 Comment
  RSA631715  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15683 Los Angeles Angeles Forest Highway, 3 km north of Big Tujunga Canyon turnoff. 1150 Comment
  RSA634365  Arctostaphylos parryana subsp. parryana Jon E. Keeley, Allen Massihi 1992-8-21 20616 Los Angeles Angeles Crest Highway, 1.7 km north of Sulphur Springs Road, San Gabriel Mountains. 1890 Comment
  RSA634698  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20304 Los Angeles Road to Mt. Gleason, 3.7 km west of Mill Creek Summit, San Gabriel Mtns. 1665 Comment
  RSA634768  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20437 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA634783  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20413 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA634870  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20270 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635172  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20579 Los Angeles Road to Suphur [Sulphur] Springs Cpgrd., across from Singing Pines Camp, 1.7 km N of Angeles Crest Hwy, N of Chilao. San Gabriel Mtns. 1640 Comment
  RSA635226  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20664 Los Angeles Angeles Crest Hwy., Dawson Saddle. San Gabriel Mtns. 2410 Comment
  RSA635246  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20649 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  CDA10102  Arctotheca prostrata A. C. Sanders, Andy Thompson 2003-4-15 26008 Los Angeles NE end of Santa Susana Mtns.; Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence Comment
  CDA10104  Arctotheca prostrata A. C. Sanders 2003-5-1 26289 Los Angeles San Gabriel Valley; Irwindale, near boundary of Azusa, south side of Montoya St. just east of Irwindale Ave., south of I-210 Comment
  CAS-BOT-BC248307  Argyranthemum foeniculaceum R. E. Riefner, Jr. 2011-8-19 11 -103 Los Angeles Palos Verdes Peninsula, Malaga Cove, north ca. 0.2 mi from Paseo del Mar St. at Palos Verdes Dr. West 89 Comment
  UCR222796  Argyranthemum foeniculaceum R. G. Swinney 2009-5-9 10711 Los Angeles Transverse Range; San Gabriel Mtns., Azusa/Duarte, San Gabriel River channel, 0.5 mi. north of Foothill Blvd. under the Puente Largo railway bridge 184 Comment
  SEINET11674695  Aristida adscensionis M. E. Jones 1882-1 s.n. Los Angeles Pasadena Comment
  UC472243  Artemisia californica R. L. Pendleton 1909-7-2 1374 Los Angeles road e of Avalon; Santa Catalina Island Comment
  IRVC475  Artemisia californica McGuire 1965-4-15 s.n. Los Angeles Fullerton Canyon. Comment
  CAS-BOT-BC90339  Artemisia douglasiana P. A. Munz; I. M. Johnston 1918-5-19 2263 Los Angeles Claremont Comment
  RSA0103348  Artemisia douglasiana R. G. Swinney 2011-10-25 15853 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  RSA417274  Artemisia douglasiana George R. Johnstone 1930-9-7 s.n. Los Angeles Mt. Wilson trail. 762 Comment
  LA201929  Artemisia dracunculus Arthur C. Gibson; 2003-8-24 4921 Los Angeles 188 Comment
  POM249899  Artemisia dracunculus Gaines 1939-08 s.n. Los Angeles Near U.C.L.A. Campus, Westwood. 591 Comment
  RSA562256  Artemisia dracunculus D. Charlton 1989-6-10 3221 Los Angeles Frazler Mtn Rd., Lockwood Valley, Los Padres National Forest. 1829 Comment
  RSA760586  Artemisia ludoviciana R. G. Swinney 2008-10-16 9618 Los Angeles Big Pine Meadow 2061 Comment
  SBBG43894  Artemisia nesiotica M. R. Benedict 1971-6-25 Los Angeles low terrace 0.5 mi S of Wilson Cove 12 Comment
  SEINET222744  Artemisia pycnocephala Leila M. Shultz 1981-4-19 4979 Los Angeles Rancho Santa Ana Botanic Garden Comment
  UCR239943  Artemisia tridentata R. G. Swinney 2009-11-16 11630 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA417386  Artemisia tridentata subsp. parishii L. E. Hoffman 1926-3-18 s.n. Los Angeles Arroyo Seco Comment
  SEINET10513673  Arundo donax Louis C. Wheeler 1967-4-30 Wheeler 9238 Los Angeles San Gabriel Mountains. Limekiln Canyon. T3N R14W S30 NW 1/4 NW 1/4. Clump in full sun in sandy, rocky soil beside road; south slope, ca. 30 ft. from seasonal stream. One other clump by an abandoned reservoir. 549 Comment
  UC277071  Asclepias californica I. Johnston 1917-6-20 1266 Los Angeles Baldy Lookout of USFS San Antonio Mts. 2133 Comment
  UCD121230  Asclepias californica Louis C. Wheeler 1946-8-24 6244 Los Angeles San Gabriel Mountains: Wawona Lodge (site) adjacent to Crystal Lake. 1699 Comment
  SEINET179624  Asclepias fascicularis Victor Duran 1933-8-11 3547 Los Angeles South Fork Big Rock Creek, San Gabriel Mts. 1524 Comment
  IRVC12866  Asparagus officinalis O. F. Clarke 1967-10-24 s.n. Los Angeles Henry E. Huntington Memorial Garden. Comment
  LA94119  Aspidotis californica Lawrence L. Kiefer; 1966-3-26 1793 Los Angeles SANTA MONICA MOUNTAINS, Greenleaf Canyon, N of Topanga. 259 Comment
  RSA686321  Aspidotis californica George B. Grant 1903-1 s.n. Los Angeles Santa Monica Range 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
  SEINET11851718  Aster subulatus var. ligulatus J. F. Bright, Wyman, C. 1931-1 5730 Los Angeles Hollywood Comment
  SEINET2122161  Asteraceae M. L. Carson 1968-12-19 1305 Los Angeles 19.9 mi S of State Highway 138 and 7.4 mi N of Castaic ca. 1.5 mi N of junction of Interstate 5 N of Castaic 1220 Comment
  RSA0033875  Astragalus John F. Emmel 1997-4-28 1465 Los Angeles Sierra Pelona; along USFS Road 6N07, 0.8 road mile ENE of junction with Road 6N08. 1389 Comment
  RSA642042  Astragalus bicristatus Orlando Mistretta 1993-6-28 910 Los Angeles San Gabriel Mountains: Angeles National Forest. Table Mountain; Sunrise ski area. Comment
  UCR11593  Astragalus didymocarpus O. H. Kappler 1946-4-13 1121 Los Angeles Mojave Desert, four miles south of Palmdale 915 Comment
  RSA617202  Astragalus didymocarpus var. didymocarpus L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon 1/2 mile south-southwest of Blum Ranch. 975 Comment
  UC81269  Astragalus didymocarpus var. dispermus Dr. A. Davidson Los Angeles Antelope Valley Comment
  JEPS108276  Astragalus lentiginosus var. variabilis David Gowen 2005-5-11 313 Los Angeles HWY 138 (West Ave. D) west of Lancaster. NE corner of intersection with 40th Street W. Comment
  CAS-BOT-BC187572  Astragalus miguelensis Peter H. Raven 1962-7-11 18012 Los Angeles San Clemente Island. Wilson Cove 60 Comment
  SD51878  Astragalus nevinii Peter H. Raven 1962-5-8 17624 Los Angeles San Clemente Island, near western shore of island opposite Wilson Cove, on sandy slope Comment
  UCR94466  Astragalus pachypus var. pachypus Orlando Mistretta 1995-2-28 1521 Los Angeles San Gabriel Mtns., Carr Canyon 1067 Comment
  RSA415839  Astragalus pycnostachyus var. lanosissimus Louis Greata 1900-9-2 1931 Los Angeles Near Santa Monica. Comment
  UC440479  Astragalus trichopodus Carl Epling and Lincoln Ellison 1930-3-28 Los Angeles Las Flores Canyon Santa Monica Mountaina, Las Flores Canyon (Santa Monica Mountains) Comment
  POM9012  Astragalus trichopodus var. lonchus Louise Kendall 1920-3-21 3401 Los Angeles Long Beach. Comment
  JEPS54536  Astragalus trichopodus var. phoxus W. L. Jepson 1928-4-18 12425 Los Angeles Mts. above Castaic (n Los Angeles Co.); Mts. above Castaic 975 Comment
  UCR259638  Astragalus trichopodus var. phoxus R. G. Swinney 2010-5-7 12601 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of 'BP and L Rd' and Jimenez St./Dominica Ave. 378 Comment
  LA50818  Atriplex californica Harlan Lewis; 1940-4-3 1283 Los Angeles Santa Monica Mountains, 10 mi. W of Malibu Beach 22 Comment
  UC1595445  Atriplex canescens Tim Ross 1992-7-10 6687 Los Angeles 6 degrees N and 2520 m distant from Thorn Peak (Upper Big Tujunga Canyon along UBTC Road, San Gabriel Mountains); San Gabriel Mountains, Upper Big Tujunga Canyon 1085 Comment
  UCR277097  Atriplex canescens R. G. Swinney 2010-10-5 13998 Los Angeles San Gabriel Mountains, Placerita Canyon, boundary of park, c. 20 meters south of Placerita Hwy, just north of Botany Nature Trail, east of Nature Center 494 Comment
  SBBG65346  Atriplex confertifolia R. Hoffmann 1929-4-27 Los Angeles Lancaster Comment
  SD212555  Atriplex lentiformis subsp. breweri Tim Searl 2007-10-15 151007 07 Los Angeles South Coast; Las Flores, along Pacific Coast Highway ca. 3.0 miles east of Malibu. 14 Comment
  UC56776  Atriplex leucophylla Ernest Braunton Oct 1902 711 Los Angeles Ballona Ballona (on beach) Comment
  RSA716066  Atriplex micrantha Scott D. White, Andrea Warniment 2006-7-7 s.n. Los Angeles Gorman area, Gorman creek NE of the I-5 Freeway. SE Tehachapi Mts. 1037 Comment
  RSA453961  Atriplex semibaccata C. J. Hollenberg 1928-7-24 s.n. Los Angeles Del Rey Palisades. Comment
  RSA0029995  Atriplex suberecta R. E. Riefner Jr. 2008-7-28 08 -254 Los Angeles Harbor City, Bixby Slough, Harbor Regional Park, Harbor Lake, vicinity of Vermont Ave. and Normandie Ave. 1 Comment
  UCR216907  Atriplex suberecta R. G. Swinney 2009-3-16 10128 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  SD112536  Atriplex triangularis Darley F. Howe 1938-8-2 730 Los Angeles Coast south of Long Beach. Comment
  RSA251522  Atriplex watsonii R. F. Thorne 1973-4-12 42896 Los Angeles San Clemente Island: China Point at end of road. 15 Comment
  SBBG19209  Atriplex watsonii M. A. Piehl 1963-12-8 631116 Los Angeles near shore at W end of airfield runway near Driggs 6 Comment
  RSA129095  Avena barbata H. A. Jensen 1933-6-4 332 Los Angeles Hollywood Lake. Santa Monica Quad: T1N R14W Sec.34. 244 Comment
  SBBG133396  Avena barbata J. Lambert, S. McDonough 2005-4-6 Bot 52 -05 Los Angeles Swat 2 by frogman shelter 29 Comment
  UCR210018  Avena barbata R. G. Swinney 2008-12-2 9916 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  SEINET7047907  Avena barbata Steven R. Hill, Kate Kramer 2001-4-22 33356 Los Angeles North side of San Gabriel Mountains, south side of Antelope Valley, Johnson Road, 6.2 miles north-northeast of junction with Elizabeth Lake Road, 3 miles south of junction of Avenue I and 110th Street West. Elevation about 3080 feet. Comment
  UC1783437  Azolla filiculoides A. C. Sanders 25227 Los Angeles Santa Clara Riverbed 304 Comment
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Dec 7 2014
  RSA657104  Baccharis plummerae subsp. plummerae Carl Wishner 2000-10-13 3951 Los Angeles Santa Monica Mountains, Solstice Canyon [Park], south of the creek from picnic area / parking lot. 58 Comment
  UCSB41777  Baccharis salicifolia Buchmann, Steve 1971-4-30 Los Angeles In Tonner Cyn. about 1 mi. from Hwy. 57 304 Comment
  LA94287  Berberis pinnata subsp. pinnata Peter H. Raven; David S. Verity 1960-5-7 15341 Los Angeles Santa Monica Mountains, ca 1 mi. SW of Seminole Hot Springs 335 Comment
  UC56502  Berula erecta Ernest Braunton Aug 1902 647 Los Angeles Oak Knoll Comment
  SBBG17886  Beta vulgaris P. H. Raven 1962-5-7 17581 Los Angeles 1 mi S of Wilson Cove 6 Comment
  UC198541  Beta vulgaris Katharine Brandegee Los Angeles Catalina Island Comment
  UC55079  Bidens pilosa Miss E. D. Palmer Los Angeles Los Angeles Comment
  UCR136841  Bidens pilosa John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UC30571  Bidens pilosa H. P. Chandler 1897-1-1 Los Angeles Claremont foothills Claremont 701 Comment
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Jul 21 2010
  UCSB71759  Bituminaria bituminosa White, Scott 2003-10-22 Los Angeles San Gabriel Mountains: foothills above Sierra Madre; Los Angeles Dept. of Public Works "Sierra Madre" Debris Basin; northern terminus of Sumac St.; T1N R11W S16, NW1/4 366 Comment
  SEINET3243571  Bloomeria crocea var. aurea Unknown 1902-1 114 Los Angeles Garvanza, So Cal Comment
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Jan 11 2015
  SD21403  Bloomeria crocea var. crocea Norman E. Bilderback 1938-3-16 Los Angeles Avalon, Catalina Island. Comment
  RSA367307  Bloomeria crocea var. crocea D. A. Young 1969-5-25 P 489 Los Angeles 100 ft. off the right side of Diamond Bar Blvd. Diamond Bar 274 Comment
  RSA367442  Bloomeria crocea var. crocea John Ingram 1950-5-6 104 Los Angeles Puente hills near Westmont tract, Pomona Comment
  RSA165709  Bloomeria crocea var. montana Wesley O. Griesel, Brian C. Miller 1963-7-2 s.n. Los Angeles Pine Canyon west of Lake Hughes 1067 Comment
  CAS-BOT-BC16085  Boechera californica C. F. Baker 1909-3-20 5250 Los Angeles Claremont. Comment
  RSA630261  Boechera californica Scott D. White, Dave Bramlet 1998-8-11 7030 Los Angeles San Gabriel Mts.: West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  SD107860  Bolboschoenus maritimus subsp. paludosus Robert F. Thorne, D. Propst & M. Hoefs 1974-9-12 45103 Los Angeles Santa Catalina Island: in black muck of shallow streamway in salina behind Little Harbor beach and lagoon where Nuttall in 1920. 4 Comment
  SBBG12444  Bowlesia incana P. H. Raven 1962-5-8 17597 Los Angeles near mouth of cyn at S end of Seal Cove 9 Comment
  RSA674584  Boykinia rotundifolia Scott D. White 2000-8-25 8124 Los Angeles San Gabriel Mts: Tanbark Flats, in San Dimas Experimental Forest. 732 Comment
  RSA729749  Boykinia rotundifolia R. G. Swinney 1999-7-28 7595 Los Angeles Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon. 1098 Comment
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Oct 3 2010
  SBBG127003  Boykinia rotundifolia A. Parikh, N. Gale 2011-7-15 3560 Los Angeles West Fork San Gabriel River, 3.5 km W of St Hwy 39; San Gabriel Mtns 568 Comment
  UCR192840  Boykinia rotundifolia R. G. Swinney 1998-8-10 6726 Los Angeles San Gabriel Mtns., Cattle Canyon, west of (downstream from) Thompson Flat 732 Comment
  UCR258593  Boykinia rotundifolia R. G. Swinney 2010-8-26 13594 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
  UC1117454  Brachypodium distachyon Peter H. Raven 1962-5-22 17825 Los Angeles above Emerald Bay (Santa Catalina Island); Santa Catalina Island 121 Comment
  LA51493  Brassica nigra O. H. Kappler; 1945-3-25 728 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido 228 Comment
  UCR280567  Brassica rapa subsp. sylvestris R. G. Swinney 2014-5-13 16485 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  LA203093  Brickellia californica A. M. Johnson; 1927-10-21 12 Los Angeles E of Palmdale Comment
  RSA607921  Brickellia californica L. C. Wheeler 1961-6-13 7873 Los Angeles Pacoima Canyon near Dutch Louie Camp 716 Comment
  RSA320806  Brodiaea kinkiensis F. C. Boutin 1967-4-23 1685 Los Angeles San Clemente Island: Near center of island, along main road, about 1 air mile south of Lemon Tank. Comment
  UC1280468  Brodiaea kinkiensis Theodore F. Niehaus and Roderick 1965-4-2 397 Los Angeles se Lemmon Tank along s rim of canyon on e side San Clemente Island Comment
  POM364037  Bromus Freda Detmers 1928-4-24 s.n. Los Angeles Los Angeles. Comment
  SEINET6845727  Bromus anomalus F. A. MacFadden 1931-4-11 10120 Los Angeles San Fransquito Canyon. Comment
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Aug 24 2018
  RSA717959  Bromus arvensis R. G. Swinney, Dave Larson 1996-8-7 5247 Los Angeles Eastern San Gabriel Mountains: San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s 1524 Comment
  RSA712916  Bromus carinatus A. C. Sanders, Mark A. Elvin 2003-4-16 26044 Los Angeles Santa Clara River watershed: Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi south of of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  SEINET10468913  Bromus catharticus David B. Dunn 1941-3-3 Dunn 695 Los Angeles P.e. Tracks on santa monica blvd. 2 Blocks e of sepulveda. Comment
  CAS-BOT-BC156110  Bromus diandrus Carl B. Wolf 1932-5-9 3424 Los Angeles Santa Catalina Island. Avalon. Near bathhouse. 7 Comment
  CAS-BOT-BC156119  Bromus diandrus Timothy S. Ross; Victor W. Steinmann 1995-5-8 8574 Los Angeles Liebre Mountains. Slopes between Leona Valley and Lost Valley. 1182 Comment
  POM363394  Bromus diandrus Anstruther Davidson 1917-04 3220 Los Angeles E. Los Angeles. 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
  RSA151510  Bromus hordeaceus P. H. Raven 1962-4-9 17159 Los Angeles San Clemente Island. Wilson Cove. 61 Comment
  RSA584062  Bromus hordeaceus Timothy S. Ross, Steve Boyd 1991-4-25 4617 Los Angeles San Gabriel Mountains: mouth of Graveyard Canyon (which joins lower E Fork of San Gabriel River at 1540 ft. elev.). 482 Comment
  RSA709576  Bromus hordeaceus A. C. Sanders, Helen Kennedy 2005-4-13 29475 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
  UC934035  Bromus hordeaceus H. L. Cogswell 1951-5-8 95 Los Angeles 2/3 mi n of San Dimas Foothill County Park (base of San Gabriel Mountains); San Gabriel Mountains 441 Comment
  UCR205049  Bromus hordeaceus R. G. Swinney 2008-3-31 8583 Los Angeles San Gabriel Mtns., Glendora Mountain summit 1013 Comment
  HSC9330  Bromus madritensis subsp. rubens C. E. Fellows 1965-4-19 2 Los Angeles Southern Mojave Desert, SW corner at intersection of Hwy. 138 and Victorville cutoff Comment
  LA13827  Bromus madritensis subsp. rubens Carl Epling; 1925-4-18 6766 Los Angeles Santa Monica Mountains, Griffith Park Comment
  CAS-BOT-BC27837  Bromus pseudolaevipes Harvey Keith Wagnon 1948-6-2 1507 Los Angeles along the Ridge Route W of Castaic Comment
  UCR51321  Bromus rubens A. C. Sanders 1988-2-3 7606 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  SFV20868  Bromus sterilis L. Gross, B. Hogshead, V. Soza 2003-5-29 957 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
  PASA647  Bromus trinii Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  CATA3479  Caesalpinia spinosa Michael Thomas, Benjamin Dion 2017-12-5 006 Los Angeles Santa Catalina Island: Interior; roadside, 20m south of Rancho Escondido Road in Lower Cottonwood Canyon watershed 106 Comment
  UCR50854  Cakile maritima A. C. Sanders 1988-5-18 7816 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  CATA3017  Calandrinia menziesii Amy Catalano 2016-2-26 023 Los Angeles Santa Catalina Island: Above northwestern end of Empire Quarry 148 Comment
  CAS-BOT-BC173027  California macrophylla A. C. Sanders; Tricia Wotipka; Mark A. Elvin; et al. 2003-4-29 26152 Los Angeles Western San Garbriel Mtns.: Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. 488 Comment
  SEINET12190686  Callistemon citrinus J. F. Bright, Wyman, C. 1931-1 5327 Los Angeles Hollywood Comment
  LA22311  Calochortus albus Martha Hilend; M. Canby Reis 1933-5-17 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  SD82934  Calochortus albus Robert F. Thorne, A. C. Gibson 1971-5-22 39764 Los Angeles San Gabriel Mountains, Angeles National Forest, shaded, often rocky places in open woods or brush; Fish Canyon. 548 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-BC487473  Calochortus albus R. C. Foster 1937-6-6 344 Los Angeles Cobal Canon (foothills of San Gabriel Mts.), north of Claremont. Comment
  UCR281597  Calochortus plummerae R. G. Swinney 2014-6-5 16698 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  CAS-BOT-BC493409  Calochortus splendens R. C. Foster 1937-6-6 343 Los Angeles In Chaparral on upper portion of canon sides, Cobal Canon (foothills of San Gabriel Mts.), north of Claremont Comment
  RSA23713  Calochortus splendens Russell S. Woglum 1930-04 s.n. Los Angeles North Hollywood. Comment
  LA38799  Calochortus venustus Peter H. Raven; 1960-5-21 15400 Los Angeles SANTA MONICA MOUNTAINS, Cornell Corners. 243 Comment
  RSA369026  Calochortus venustus Anstruther Davidson 1914-05 s.n. Los Angeles Newhall. Comment
  UC1134549 Image available Calochortus venustus A. D. Gifford 1935-5-15 712 Los Angeles 2 mi w Neenach; Tejon Quad. 914 Comment
  RSA735911  Calochortus weedii var. intermedius Justin M. Wood 2008-5-28 4 Los Angeles Brea Canyon, hills to the E of the 57 freeway, adjacent to the SCE powerline tower. Comment
  UCR209910  Calyptridium R. G. Swinney 2008-7-24 9286 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  UCR86714  Calystegia macrostegia subsp. amplissima T. S. Ross 1992-4-14 6178 Los Angeles Channel Islands, San Clemente Island: central east side of island 137 Comment
  CAS-BOT-BC215762  Calystegia macrostegia subsp. arida P. A. Munz 1918-5-16 2241 Los Angeles Claremont Comment
  OBI63065  Calystegia macrostegia subsp. arida R. K. Brummitt 1998-5-24 20000 Los Angeles San Gabriel Mts, foot of Mt. Baldy rd just N of Claremont; 600 Comment
  CAS-BOT-BC221328  Calystegia macrostegia subsp. cyclostegia Peter H. Raven 1959-4-4 13953 Los Angeles Santa Monica Mountains. Just east of Zuma Beach, Point Dume 15 Comment
  LA33478  Calystegia macrostegia subsp. cyclostegia Peter H. Raven; 1959-4-4 13952 Los Angeles Santa Monica Mountains, Point Dume Natural Preserve, just E of Zuma Beach 15 Comment
  CAS-BOT-BC215754  Calystegia macrostegia subsp. intermedia Alice Eastwood 1917-7-20 65518 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC215796  Calystegia macrostegia subsp. intermedia Timothy S. Ross; Darin Banks 1994-4-12 7482 Los Angeles Westerly draw draining from ridge which divides S. Fr. Cyn from Dy Canyon, ca 310 m S of where Drinkwater Canyon joins S. Fr. Canyon, San Francisquito Canyon, Liebre Mountains 554 Comment
  RSA643103  Calystegia occidentalis subsp. fulcrata Orlando Mistretta 1992-9-4 790 Los Angeles Yerba Buena Trail; Tujunga Ranger District. 1356 Comment
  UCR20070  Calystegia peirsonii T. P. Krantz 1979-6-20 s.n. Los Angeles San Gabriel Mtns., Bouquet Canyon Road east of the reservoir, just off Angeles Nat. Forest lands, east of jct 6N04 under the power lines Comment
  RSA764507  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-1 2589 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 44 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1047 Comment
  POM21376  Calystegia soldanella George B. Grant 1902-6-20 s.n. Los Angeles Redondo. Comment
  LA46661  Camissonia bistorta H. Lewis; 1953-4-11 1634 Los Angeles Point Dume Comment
  POM159464  Camissonia bistorta Thomas Craig 1927-6-19 466 Los Angeles Soledad Canon.[canyon] Comment
  RSA127834  Camissonia bistorta Peter H. Raven 1959-4-18 13997 Los Angeles Santa Monica Mountains, Point Dume, sandy field behind point. 24 Comment
  RSA72204  Camissonia bistorta F. W. Peirson 1919-3-26 4516 Los Angeles Altadena, New York Avenue near Hill Avenue. Comment
  RSA747407  Camissonia campestris R. G. Swinney 2008-6-9 8968 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  RSA153198  Camissonia cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1962-7-10 17958 Los Angeles Upper reaches of Cave Canyon, the large canyon draining southwest from Thirst, San Clemente Island. Comment
  RSA515137  Camissonia cheiranthifolia subsp. cheiranthifolia Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-29 801 -4 Los Angeles San Clemente Island. Main dune area at Darter Road. NW part of island. Comment
  POM38394  Camissonia cheiranthifolia subsp. suffruticosa Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach. Comment
  RSA584287  Camissonia hirtella Tim S. Ross, Orlando Mistretta 1993-5-26 7302 Los Angeles W end of the San Gabriel Mtns: southerly slope off the main E/W divide about midway between Wilson Canyon Saddle and May Canyon Saddle (draining to Wilson Canyon and Sylmar). 994 Comment
  RSA702294  Camissonia hirtella Scott D. White, Pam DeVries 2004-5-18 10432 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA449022  Camissonia micrantha Freda Detmers 1929-4-24 s.n. Los Angeles Los Angeles. River Bed. Comment
  UCR206529  Camissonia micrantha A. C. Sanders, T. B. Salvato 2009-5-20 36856 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  POM31973  Camissonia strigulosa E. D. Palmer 1902-04 s.n. Los Angeles Sandy wash S.E. of Glendora. Comment
  POM3207  Camissonia strigulosa I. M. Johnston 1917-7-1 s.n. Los Angeles San Antonio Mountains. Browns Flats. 1311 Comment
  RSA579466  Camissonia strigulosa Tim S. Ross, Steve D. Boyd 1994-5-10 7741 Los Angeles Warm Springs Mountain: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 668 Comment
  UCR142074  Camissoniopsis A. C. Sanders, Mark A. Elvin 2003-6-20 27004 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  CAS-BOT-BC160251  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Peter L. Morrell; O. Mistretta; L. Arnseth 1992-4-4 122 Los Angeles On WNW-facing slope, approx. 2 km SSW of Wilson Cove on W side of island. San Clemente Island 20 Comment
  LA30316  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Mary V. Hood; 1945-9-29 45- 133 k* Los Angeles Playa del Rey 1 Comment
  SFV15349  Camissoniopsis confusa J. C. Dittes, D. Stolp 1990-4-1 67 Los Angeles San Gabriel Mountains Big Tujunga Canyon, Vogel Flats. 550 Comment
  JEPS31771  Camissoniopsis ignota Frank W. Peirson 1919-3-30 414 Los Angeles Tujunga Canyon San Gabriel Mountains 457 Comment
  LA46736  Camissoniopsis intermedia Carl Epling; Lincoln Ellison Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon. Comment
  CAS-BOT-BC160528  Camissoniopsis lewisii Alice Eastwood 1906-6-2 166 Los Angeles San Pedro Comment
  LA204282  Cardamine californica Carl Epling; 1925-1-10 6415 Los Angeles San Dimas Canyon Comment
  RSA653345  Cardaria draba Kelly Middleton, David Middleton 1988-5-8 5 Los Angeles Glendora Ridge Road, 4.4 miles west of Mt Baldy Road intersection. 1220 Comment
  RSA115958  Carduus pycnocephalus George W. Garrettson 1955-4-22 20589 Los Angeles a weed on Phillips property, S of Covina Comment
  UCR223382  Carex R. G. Swinney 2009-5-27 10874 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
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Sep 12 2018
  UC1746084  Carex alma Annetta M. Carter, Arthur Carter 1935-9-12 977 Los Angeles Chilao (Chellea). San Gabriel Mtns. 1645 Comment
  CAS-BOT-BC21763  Carex hassei Robert F. Thorne; M. Z. Thorne 1967-7-19 37188 Los Angeles Big Cinega Springs above Crystal Lake Recreation Area. San Gabriel Moutains, Angeles National Forest. 1981 Comment
  CAS-BOT-BC32083  Carex multicaulis George B. Grant 1906-6-17 138 Los Angeles Summit Mt. Wilson 1828 Comment
  SEINET11632172  Carex occidentalis H. E. Hasse 1888-1 s.n. Los Angeles no further locality Comment
  CAS-BOT-BC118975  Carex pellita Louis C. Wheeler 1933-7-4 1892 Los Angeles San Dimas Canyon, San Gabriel Mts. 533 Comment
  CHSC118259  Carex praegracilis Peter F. Zika; Nick Otting 2010-8-4 25259 Los Angeles W and S shores of Jackson Lake, Big Pines Highway. San Gabriel Mountains. 1860 Comment
  CAS-BOT-BC117970  Carex rossii John Thomas Howell 1947-7-18 23393 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  CAS-BOT-BC117940  Carex schottii George Bernard Grant 1902-2-16 5347 Los Angeles Pasadena by water course. Oak Knoll Comment
  SEINET11632828  Carex schottii I. W. Clokey 1930-1 4613 Los Angeles S end of Boquet Canyon 450 Comment
  UCD140837  Carex senta Kenneth A. Wilson 1961-3-10 950 Los Angeles Santa Monica Mtns. Old Topanga Canyon Rd., ca, 1/4 mile west of Topanga Canyon Rd. Comment
  UCR273760  Carex senta R. G. Swinney 2011-6-15 15191 Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  SEINET7486525 Image available Carex subfusca P. F. Zika, Nick Otting 2010-1 25257 Los Angeles S shore of Jackson Lake, Big Pines Highway, San Gabriel Mountains (SnGb) 1860 Comment
  RSA607973  Carex subfusca L. C. Wheeler 1968-7-21 s.n. Los Angeles San Gabriel Mountains: East Fork Alder Creek off Big Tujunga, at below Charlton Flat; future dam site. Comment
  SD90280  Carex tumulicola Robert F. Thorne 1973-4-11 42804 Los Angeles San Clememte Island; in moist gully leading into Middle Ranch Canyon. 427 Comment
  SD144100  Carpobrotus edulis Scott D. White 1997-3-12 4731 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  RSA636107  Casimiroa edulis Robert F. Thorne 1974-6-1 44710 Los Angeles Claremont. 335 Comment
  POM180171  Castilleja affinis J. Ewan 1930-5-17 5509 Los Angeles Pico Canyon above Newhall. 549 Comment
  UCR124623  Castilleja affinis I. W. Clokey, B. C. Templeton 1929-1 4427 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  RSA82230  Castilleja affinis subsp. affinis F. W. Peirson 1921-3-6 2725 Los Angeles San Gabriel Wash. 213 Comment
  UC138725  Castilleja affinis subsp. affinis C. F. Baker 1904-5-6 4745 Los Angeles near Pomona Comment
  UC57003  Castilleja affinis subsp. affinis Ernest Braunton 1902-3-30 144 Los Angeles Elysian Hills Comment
  JEPS16670  Castilleja applegatei subsp. martinii Rimo Bacigalupi with C. L. Custer 1954-4-4 4391 Los Angeles directly back of Altadena (Millard's Public Camp, in Millard's Canyon, lower s reaches of San Gabriel Mountains); San Gabriel Mountains, Angeles National Forest, Millard's Ca 556 Comment
  POM42509  Castilleja applegatei subsp. martinii Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  JEPS78786  Castilleja applegatei subsp. martinii L. R. Heckard with Michael Morris 1976-6-13 4265 Los Angeles 0.1 mi from Cumorah Church Camp (1.7 mi from Hidden Valley Scout Camp, off Route 2) Comment
  RSA714913  Castilleja exserta A. C. Sanders, Mark A. Elvin 2003-4-14 25978 Los Angeles Santa Clara River watershed; Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  SFV3416  Castilleja exserta K. A. Wilson 1961-3-14 1022 Los Angeles Santa Monica Mountains Mulholland Highway, 0.5 miles west of Seminole Hot Springs. Small valley with running stream. 290 Comment
  UC998920  Castilleja exserta P. O. Schallert 1944-4-28 Los Angeles Monrovia Comment
  UC538073  Castilleja exserta subsp. exserta David D. Keck 1935-3-18 3018 Los Angeles 2 mi e El Monte; San Gabriel River 91 Comment
  POM147409  Castilleja exserta subsp. exserta Thos. Craig 1927-6-19 476 Los Angeles Between Acton and Ravenna. Comment
  JEPS15163  Castilleja foliolosa A. D. Gifford 1935-1-8 412 Los Angeles near Palomas Canyon mouth; Tejon Quad. 426 Comment
  SBBG95472  Castilleja foliolosa M. B. Dunkle 1929-3-3 2058 Los Angeles Hamilton Cyn Comment
  SEINET4095936  Castilleja foliolosa R. Moran 1941-1 689 Los Angeles Middle Ranch, Santa Catalina Island. 250 Comment
  RSA650923  Castilleja foliolosa Dolores Perez 1981-5-3 40 Los Angeles Ca Hwy 39, 2 miles S. of Morris Reservoir. Comment
  CAS-BOT-BC32553  Castilleja martinii LeRoy Abrams 1901-7-10 1881 Los Angeles Wilson's Flat Comment
  UCR194577  Castilleja miniata R. G. Swinney 1998-7-29 6536 Los Angeles San Gabriel Mtns., Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m above canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  JEPS16153  Castilleja minor subsp. spiralis Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-15 4207 Los Angeles 0.7 mi below Diamond Public Camp (junction (confluence of) n fork and main fork of Pacoima Creek); San Gabriel Mountains, Pacoima Creek 1055 Comment
  RSA448800  Castilleja minor subsp. spiralis Shaw 1923-5-17 s.n. Los Angeles La Honda Creek. Comment
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Jun 17 2016
  UCSB33636  Caulanthus heterophyllus Griesel, Wesley 1962-3-31 Los Angeles Cornell Post Office, Santa Monica Mts. 152 Comment
  CAS-BOT-BC39566  Caulanthus major LeRoy Abrams; E. A. McGregor 1908-7-3 590 Los Angeles San Gabriel Mountains. North Baldy Mountain. Rock Creek Canyon. 1524 Comment
  CAS-BOT-BC47920  Ceanothus arboreus G. B. Grant 190_ s.n. Los Angeles Santa Catalina Island Comment
  SD90324  Ceanothus arboreus Robert F. Thorne 1970-3-5 39368 Los Angeles Santa Catalina Island, Cherry Valley 60 Comment
  RSA787530  Ceanothus cordulatus Jane Tirrell 2012-6-4 LS 0059 Los Angeles 50 meters above California State Route 2 just west of mile marker 67.7 2316 Comment
  CAS-BOT-BC48724  Ceanothus crassifolius John Thomas Howell 1928-2-9 3325 Los Angeles on trail between Sierra Madre and Santa Anita Canyon, San Gabriel Mts. Comment
  CAS-BOT-BC48727  Ceanothus crassifolius Carl B. Wolf 1936-5-27 7844 Los Angeles San Gabriel Mts., Indian Canyon Camp, 2 mi. off Soledad Canyon 914 Comment
  UCD162840  Ceanothus crassifolius D. O. Burge 2015-3-17 1690 Los Angeles Newhall Pass. 550 Comment
  CAS-BOT-BC49261  Ceanothus cuneatus P. A. Munz 1920-3-10 3334 Los Angeles Claremont Comment
  UCR78150  Ceanothus cuneatus Wandalee Thompson 1964-4-18 26 Los Angeles Transverse Range; Liebre Mtns., Pine Canyon Road, N-2, c. 7 mi. west of Lake Elizabeth 1128 Comment
  UCD170931  Ceanothus greggii R. G. Swinney 2009-5-20 10821 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  RSA164763  Ceanothus greggii var. vestitus Wesley O. Griesel 1963-5-26 797 Los Angeles Between Mile High Ranch and Big Pines 1677 Comment
  UC1070807  Ceanothus leucodermis W. T. Murphy 1928-2-28 Los Angeles e of Little Dalton Canyon; Pomona quad. 762 Comment
  UC457235  Ceanothus leucodermis Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles Swartout Valley San Gabreil Mts. Comment
  RSA399120  Ceanothus megacarpus Alton Clare 1930-2-16 13702 Los Angeles Topanga Canyon. Comment
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May 29 2014
  SBBG13409  Ceanothus megacarpus var. insularis E. R. Blakley 1962-10-3 5392 Los Angeles E side of Black Jack Mtn at the start of rd to White's Landing 411 Comment
  CAS-BOT-BC50455  Ceanothus oliganthus Carl B. Wolf 1941-8-2 11134 Los Angeles Liebre Mts., Ridge Route Rd. 2.7 mi. S. Frenchman Flats Forest Service Camp 822 Comment
  LA43646  Ceanothus oliganthus W. R. Ernst; April 1947 sn Los Angeles San Gabriel Mountains, San Gabriel Canyon Comment
  LA201541  Ceanothus oliganthus var. oliganthus Arthur C. Gibson; 2001-4-8 4890 Los Angeles SIMI HILLS, Chatsworth, Santa Susana fire road at NE-most Simi Hills. 358 Comment
  RSA398945  Ceanothus spinosus Freda Detmers 1924-2-22 s.n. Los Angeles Mandeville Canyon. Comment
  RSA783278  Ceanothus spinosus J. D. Olmsted 1959-3-23 302 Los Angeles Foot of San Gabriel Mts: San Antonio wash. Blanchard park on Pomona college campus near Claremont. 366 Comment
  UC1071380  Ceanothus spinosus A. D. Gifford 1934-4-24 155 Los Angeles 1 1/2 mi e and 1 mi n Castro Peak; Triunfo Pass Quadrangle Comment
  UCR16690B  Ceanothus vestitus J. L. Huber 1969-5-25 974 Los Angeles San Gabriel Mountains, Chilao, 1 mi north of Chilao Fire Station 1524 Comment
  RSA177884  Centaurea melitensis R. F. Thorne, Percy C. Everett 1965-5-10 34435 Los Angeles Cape Canyon, Santa Catalina Island 274 Comment
  LA34840  Centaurea melitensis Mary V. Hood; 1937-1 37 30 - Los Angeles Santa Monica Mountains, Westwood, UCLA campus 121 Comment
  UCR172450  Centaurium exaltatum Anuja Parikh, Nathan Gale 2005-7-7 2125 Los Angeles Santa Clara River Valley, near confluence of Castaic Creek and the river, Newhall Ranch, study area 44 290 Comment
  JEPS46376  Centaurium venustum Frank W. Peirson 1918-6-28 144 Los Angeles Lower Rubio Canyon San Gabriel Mts. 579 Comment
  RSA0024501  Centaurium venustum Robert F. Thorne 1980-4-26 54140 Los Angeles Santa Catalina Island. East slope of Blackjack Mountain, along Airport Road. Swain's Canyon Comment
  RSA0008265  Centromadia pungens subsp. pungens Anstruther Davidson 1776 Los Angeles Santa Monica. Comment
  RSA597736  Ceratophyllum demersum T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3792 Los Angeles Vicinity of Crystal Lake 1677 Comment
  RSA714692  Cercocarpus betuloides A. C. Sanders, Mark A. Elvin 2003-6-18 26947 Los Angeles Around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon. 1037 Comment
  SDSU8984  Cercocarpus betuloides A. H. Gallup 1947-10-9 57 Los Angeles Above Valleyermo road to Big Pine. 1676 Comment
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Dec 9 2014
  CAS-BOT-BC142105  Cercocarpus betuloides var. betuloides C. F. Baker 1903-8-2 3441 Los Angeles San Antonio Canyon near Claremont Comment
  CAS-BOT-BC142166  Cercocarpus betuloides var. betuloides Geo. B. Grant 1902-6-25 s.n. Los Angeles San Gabriel Canyon [Canon] 609 Comment
  LA52112  Cercocarpus betuloides var. betuloides A. M. Johnson; 1927-11-11 2702 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA0118871  Cercocarpus betuloides var. betuloides A. C. Sanders 2006-4-25 32181 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. 960 Comment
  UC410547  Cercocarpus betuloides var. betuloides Alice Eastwood 1928-6-15 15377 Los Angeles Claremont Comment
  UC457207  Cercocarpus betuloides var. betuloides Carl Epling 1931-5-2 Los Angeles Santa Monica Mountains, Los Alisos Canyon Los Alisos Canyon; Santa Monica Mountains, Los Alisos Canyon Comment
  LA47764  Cercocarpus betuloides var. blancheae F. R. Fosberg; 1932-5-6 8122 Los Angeles Santa Catalina Island, Can. above Villa Park, Avalon 30.0 Comment
  RSA177026  Cercocarpus betuloides var. blancheae Carl B. Wolf 1932-10-4 4222 Los Angeles Santa Catalina Island. West slope above road in back of St. Catherine Hotel, Avalon. 23 Comment
  UCD112914  Cercocarpus ledifolius var. intermontanus J. N. Hogue 21-23 Jul 1999 146 .1 Los Angeles San Gabriel Mountains, Camp Cumorah Crest, 3 km NE New Comb Ranch. 1859 Comment
  CAS-BOT-BC143814  Cercocarpus ledifolius var. ledifolius Hasse 1907-7-1 s.n. Los Angeles Mt. Yslep, San Gabriel Range 2511 Comment
  CATA1775  Cercocarpus traskiae Benjamin E. Carter, Amy Catalano, John R. Clark 2012-8-2 6915 Los Angeles Santa Catalina Island: Wild Boar Gully 110 Comment
  RSA190893  Cercocarpus traskiae Robert F. Thorne 1967-5-18 36900 Los Angeles Santa Catalina Island. Salta Verde, lateral gully to Wild Boar Gully 213 Comment
  POM30266  Chaenactis artemisiifolia Marcus E. Jones 1902-6-20 s.n. Los Angeles Mt. Lowe Comment
  SFV6619  Chaenactis fremontii T. Gordon, W. C. Willig, K. A. Wilson, D. R. Perry 1974-4-28 206 Los Angeles Mojave Desert Antelope Valley. Llano. 165th Street East and T8 Avenue. 900 Comment
  CAS-BOT-BC277357  Chaenactis glabriuscula var. glabriuscula Geo. L. Moxley 1922-5-1 s.n. Los Angeles Mint Canyon Comment
  CHSC83997  Chaenactis glabriuscula var. glabriuscula John Dittes 1990-6-20 135 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
  UCR177162  Chaenactis glabriuscula var. glabriuscula LeRoy Gross 2001-5-6 381 Los Angeles Los Angeles Basin; Verdugo Mountains, Sun Valley, along trail that comes up from Morning Glow Way off of La Tuna Canyon Road 378 Comment
  LA31658  Chaenactis glabriuscula var. glabriuscula Peter H. Raven; Henry J. Thompson 1959-6-4 14316 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  UCR263060  Chaenactis glabriuscula var. lanosa Mitch Provance 2008-4-14 408- 07 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  CLARK-A1528-4928  Chaenactis santolinoides John C. Roos 1937-5-31 2035 Los Angeles San Gabriel Mountains Comment
  POM351819  Chaenactis stevioides Anstruther Davidson, Hasse 1906-6-1 1463 Los Angeles Big Rock Creek. Comment
  SFV13268  Chaenactis stevioides M. J. Thor 1983-4-16 178 Los Angeles Mojave Desert Hi Vista, north of Saddle Back Butte State Park along 200th Street. 933 Comment
  RSA586996  Chaenactis stevioides Orlando Mistretta 1992-5-8 299 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  RSA755975  Chaenactis stevioides Orlando Mistretta, Christine Mistretta 2008-4-12 2419 Los Angeles Southern California transmission line tower (Segment 6, structure 5 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1096 Comment
  RSA716365  Chaenactis xantiana Andrea Edwards, Pam De Vries 2006-4-11 92 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  UC1184975 Image available Chamaesyce melanadenia Huron H. Smith 1912-5-3 4933 Los Angeles Azusa; ; Azusa, Los Angeles Co. 243 Comment
  RSA660991  Chamomilla suaveolens LeRoy Gross 2001-5-28 412 Los Angeles Verdugo Mountains, northeast side; Start from dead end street Mesa Lila Road, in city of Verdugo City. 476 Comment
  RSA756892  Cheilanthes covillei Orlando Mistretta, Christine Mistretta 2008-4-7 2344 Los Angeles Along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge., (Segment 5, structure 48 per TRTP survey-2008) 1085 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
  CAS-BOT-BC426288  Chenopodium album Peter H. Raven 1957-9-21 11367 Los Angeles Topanga Canyon, 2.3 mi. above US 101 alternate, Santa Monica Mts. Comment
  RSA736142  Chenopodium album Rosemarie zimmerman 1961-4-30 40 Los Angeles Blanchard Park, Pomona College 366 Comment
  RSA0048210  Chenopodium ambrosioides L. E. Hoffman 1963-7-7 s.n. Los Angeles Malibu Lagoon. 0 Comment
  IRVC28749  Chenopodium berlandieri A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25538 Los Angeles Newhall Ranch, central Potrero Canyon, at circular cement cattle trough on south side of valley NE end of Santa Susana Mtns. 366 Comment
  POM307321  Chenopodium berlandieri Henry J. Ramsey, Henry J. Ramsey 1937-8-7 2218 Los Angeles Sand Canyon, San Gabriel Mountains Comment
  SBBG65293  Chenopodium berlandieri R. Hoffmann 1927-7-16 Los Angeles Chandler's Comment
  UC1584031  Chenopodium berlandieri Tim Ross 1991-2-23 4084 Los Angeles on slope dropping wnw from Turnbull Canyon Road x Skyline Drive; Whittier Hills (Puente Hills), Upper Turnbull Canyon 292 Comment
  UCR277235  Chenopodium berlandieri R. G. Swinney 2010-10-5 13976 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, west of 'Oak of the Golden Dreams', at west boundary of park 451 Comment
  RSA246432  Chenopodium berlandieri var. sinuatum F. R. Fosberg 1931-7-13 5376 Los Angeles Santa Catalina Island. Middle Ranch Canyon. 200 Comment
  UCR190917  Chenopodium fremontii R. G. Swinney 1998-7-10 6364 Los Angeles San Gabriel Mtns., confluence of Bear Gulch and Prairie Fork Canyon, south side of canyon along Prairie Fork stream 1488 Comment
  RSA624444  Chenopodium multifidum L. C. Wheeler 1932-9-4 1314 Los Angeles La Verne. 304 Comment
  LA99134  Chenopodium pumilio R. L. Armacost; 1965-5-23 2386 Los Angeles Near Desert Garden of UCLA Botanical Garden Comment
  UCR255507  Chlorogalum pomeridianum Dan S. Cooper 2014-6-26 614- 36 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, lower Brush Canyon 194 Comment
  CAS-BOT-BC520400  Chondrilla juncea R. E. Riefner, Jr. 2015-7-19 15 -206 Los Angeles Cit of Los Angeles, Elysian Valley, E of Riverside Dr., Los Angeles River Trail, Blake Ave. btween Oros St. and Fernleaf Dr. 93 Comment
  RSA392779  Chorizanthe parryi var. fernandina E. S. Spalding 1922-1 s.n. Los Angeles San Fernando, near the resevoir Comment
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Dec 23 2014
  RSA392787  Chorizanthe parryi var. fernandina Anstruther Davidson 1890-5-11 s.n. Los Angeles Burbank Comment
  JEPS58010  Chorizanthe spinosa Ralph Hoffmann 1931-5-4 332 Los Angeles 5 mi w Lancaster; w of Lancaster Comment
  RSA609046  Chorizanthe staticoides Louis C. Wheeler 1934-6-12 821 Los Angeles San Dimas Canyon, San Gabriel Mountains. 549 Comment
  UC1211062  Chorizanthe staticoides Huron H. Smith 1912-5-3 4922 Los Angeles Azusa 243 Comment
  RSA571306  Chorizanthe xanti Steve Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8302 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1158 Comment
  UC1375332  Chorizanthe xanti Robert F. Thorne and C. W. Tilforth 1971-6-17 39892 Los Angeles along Soledad Canyon Road ca 2 mi w Soledad Station (n slope San Gabriel Mountains); n slope San Gabriel Mts. w of Soledad Station 579 Comment
  RSA476631  Chrysolepis sempervirens F. R. Fosberg 1931-8-12 S 5457 Los Angeles Summit Mount Islip, San Gabriel. 2500 Comment
  UCR124720  Chrysothamnus nauseosus subsp. mohavensis B. C. Templeton 1932-8-25 5088 Los Angeles San Gabriel Mtns., Table Mountain near Big Pines Park, Angeles National Forest 2091 Comment
  RSA0059667  Cirsium occidentale var. occidentale Louis C. Wheeler 1932-4-30 671 B Los Angeles Mandeville Canyon, Santa Monica Mtns. 152 Comment
  RSA596925  Cirsium vulgare Scott D. White 1995-5-9 3007 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. 457 Comment
  SBBG54808  Cirsium vulgare L. Hayden 1969-5-19 31 Los Angeles Pomona College Wash 335 Comment
  RSA524617  Cistanthe monandra Timothy S. Ross, Steve Boyd 1990-5-17 2586 Los Angeles San Gabriel Mts.: Mill Creek Tree Plantation, Tujunga District, Angeles National Forest. 1613 Comment
  RSA621306  Cistanthe monandra L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains 1159 Comment
  RSA653884  Cistanthe monandra Valerie L. Soza, Steve Boyd 2000-4-26 794 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  RSA466591  Cistanthe monandra Anstruther Davidson 1890-3-24 s.n. Los Angeles Near Reservoir at river. Comment
  RSA515171  Cistanthe monandra Steve Boyd, Orlando Mistretta 1986-3-21 1554 Los Angeles Mojave Desert: Highway 138, 4 miles E of Jct w/Hwy 18 NE of Pinyon Hills. Comment
  UCD116505  Cistus incanus Lisa J. Seemann 1993-5-2 s.n. Los Angeles Lake Elizabeth, ca. 0.4 mile N of aquaduct pipes near main entrance to California Correctional Facility. Comment
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Dec 15 2014
  SEINET10956560  Citrus limon Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2497 Los Angeles City of Pasadena. Vartan Family Grocery, 1511 E. Washington Blvd. 270 Comment
  UCR266274  Clarkia D. E. Bramlet, Mike Ahmer 2005-4-14 3800 Los Angeles Puente Hills, Powder Canyon 229 Comment
  POM196709  Clarkia bottae Bonnie C. Templeton, I. W. Clokey 1929-5-20 4534 Los Angeles Mandeville Canyon, Santa Monica Mountains. 244 Comment
  RSA453462  Clarkia bottae F. E. Durkee 1906-05 s.n. Los Angeles Los Angeles, Hollywood Canyon. Comment
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Nov 17 2015
  RSA752459  Clarkia bottae Justin M. Wood 2009-4-22 514 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  SBBG60282  Clarkia bottae R. Hoffmann 1930-6-6 Los Angeles Liebre Station, Ridge Route [historic site] Comment
  SFV16500  Clarkia bottae H. A. Dela Cruz, M. V. Valentin 1996-5-11 15 Los Angeles Santa Monica Mountains Stunt Road, 1 mile west of Mulholland Highway. East side of Stunt Road across from Stunt Hike Trail. 380 Comment
  RSA133258  Clarkia cylindrica Peter H. Raven 1959-5-3 1250 Los Angeles Santa Monica Mountains: Mulholland Drive 0.5 miles east of Beverly Glen Boulevard. 381 Comment
  LA45513  Clarkia cylindrica subsp. cylindrica Carl Epling; 1926-5-8 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  SBBG126969  Clarkia cylindrica subsp. cylindrica A. Parikh, N. Gale 2011-6-7 3423 Los Angeles Portal Ridge, 1.9 km W of Godde Hill Rd, 0.5 km S of California Aqueduct 1020 Comment
  UC1143191  Clarkia cylindrica subsp. cylindrica H. Lewis and M. Lewis 1947-5-7 212 Los Angeles 0.4 mi n Latigo Canyon Road (Decker Road); Santa Monica Mts. Comment
  HSC34836  Clarkia dudleyana R. E. Cooksey May 1972 39 Los Angeles San Gabriel Mtns., San Dimas Canyon, 6.2-7 mi. from Hwy. 66 and San Dimas Rd. 573 Comment
  POM3016  Clarkia dudleyana D. L. Crawford 1915-06 s.n. Los Angeles San Antonio Canyon, Claremont. 1220 Comment
  RSA0020297  Clarkia dudleyana Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5091 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA162766  Clarkia dudleyana J. D. Olmsted 1959-6-11 646 Los Angeles Evey Canyon, 1/2 mile west of junction with San Antonio Canyon NE of Claremont. Mt. Range: San Gabriel Mountains; Drainage Area: San Antonio Creek Comment
  UCR210138  Clarkia rhomboidea R. G. Swinney 2008-8-13 9387 Los Angeles San Gabriel Mtns., east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
  LA32224  Clarkia unguiculata Peter H. Raven; 1959-5-3 14074 Los Angeles Santa Monica Mountains, Mulholland Drive near head of Franklin Canyon 380 Comment
  POM3155  Clarkia unguiculata H. M. Hall, H. P. Chandler 1906-6-12 7405 Los Angeles Near Saugus. Comment
  RSA0049483  Clarkia unguiculata Richard G. Swinney 2010-5-7 12615 Los Angeles San Gabriel Mountains/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
  RSA0055771  Clarkia unguiculata R. G. Swinney 2010-4-28 12388 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. 488 Comment
  RSA652339  Clarkia unguiculata D. Bartholomew 1961-5-13 85 Los Angeles Big Dalton Canyon (just back from chain across road). Comment
  UC440440  Clarkia unguiculata H. Anderson, Carl Epling 1930-5-30 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  POM128775  Clarkia xantiana subsp. parviflora F. W. Peirson 1927-5-21 7300 Los Angeles Rock Creek, north base of San Gabriel Mountains. 1524 Comment
  RSA0117157  Claytonia parviflora A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31960 Los Angeles Tehachapi Mtns. Foothills: south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake. 1006 Comment
  UCR189274  Claytonia parviflora R. G. Swinney 1998-5-16 6086 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  SEINET3163867  Claytonia perfoliata G. B. Grant 1905-4-16 797 Los Angeles Pasadena Comment
  RSA466694A  Claytonia perfoliata subsp. mexicana L. C. Wheeler 1933-4-15 1635 Los Angeles San Gabriel Mountains: Foothills; W Live Oak Canyon. 488 Comment
  SBBG69761  Claytonia perfoliata subsp. perfoliata M. N. Ackley -May-1923 784 Los Angeles New Verdugo Park, Glendale 304 Comment
  CAS-BOT-BC443734  Claytonia rubra subsp. rubra John H. Thomas 1957-5-8 6736 Los Angeles San Gabriel Mountains. About 13 miles NE of center of Pasadena. 1676 Comment
  RSA589090  Clematis ligusticifolia Orlando Mistretta 1994-9-13 1469 Los Angeles San Gabriel Mountains; Santiago Canyon; Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1213 Comment
  CAS-BOT-BC423126  Cleomella obtusifolia Carl B. Wolf 1932-9-15 4086 Los Angeles Mojave Desert. Antelope Valley. 2 blocks W. of center of town of Lancaster. 718 Comment
  UC56204  Collinsia bartsiifolia var. bartsiifolia H. M. Hall May 1 1902-May 3 1902 3062 b Los Angeles vicinity of Elizabeth Lake; Antelope Valley 1066 Comment
  RSA729535  Collinsia childii R. G. Swinney 1998-6-16 6972 Los Angeles San Gabriel Mtns.: c. 0.6 mi. north of Cow Cnyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  RSA0035052  Collinsia heterophylla Harold L. Pirie 1963-5-21 s.n. Los Angeles Santa Monica Mts., on Robinson Rd. off Topanga Cyn. Rd. 274 Comment
  RSA0117387  Collinsia parryi F. W. Peirson 1925-4-23 5791 Los Angeles Forks of San Gabriel River. 534 Comment
  JEPS23886  Collinsia torreyi var. brevicarinata Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles Big Pines Camp; San Gabriel Mtns Comment
  RSA628711  Collomia grandiflora R. S. Woglum 1942-5-20 3327 Los Angeles Transverse Ranges: Angeles Crest Highway; San Gabriel Mountains; Angeles National Forest. Comment
  RSA717843  Colutea arborescens R. G. Swinney 1991-8-3 1598 Los Angeles Glendora, Big Dalton Canyon Debris Basin 351 Comment
  CHSC110012  Comarostaphylis diversifolia subsp. planifolia Mark Elvin; Sarah Crockett 1997-3-17 374 Los Angeles Channel Islands; Santa Catalina Island: Cape Canyon. W side of canyon. Comment
  RSA190924  Comarostaphylis diversifolia subsp. planifolia R. F. Thorne 1967-5-19 36888 Los Angeles Santa Catalina Island, on lower slopes of upper Sweetwater Canyon 290 Comment
  CATA361  Constancea nevinii Mark L. Hoefs, Robert F. Thorne, Robert R. Given, & A. Douglas Propst 1973-9-9 409 Los Angeles Santa Catalina Island: Blue Cavern Point 6 Comment
  SBBG79814  Constancea nevinii F. R. Fosberg 1931-7-16 5609 Los Angeles Avalon 5 Comment
  SD92007  Constancea nevinii Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-22 22671 Los Angeles East side 1 mile south of Wilson's Cove. 35 Comment
  UC483206  Constancea nevinii L. R. Abrams and I. L. Wiggins 1931-7-6 378 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  RSA0042310  Convolvulus simulans Mark L. Hoefs, Steven A. Junak, Denise Knapp 2000-5-5 3078 Los Angeles Santa Catalina Island: Near road below El Rancho Escondido. 146 Comment
  UCR204878  Conyza canadensis R. G. Swinney 2005-8-9 8405 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  RSA0087311  Conyza floribunda R. G. Swinney 2010-9-13 13829 Los Angeles C. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek. 1244 Comment
  RSA412300  Cordylanthus rigidus subsp. setiger Fordyce Griffiths Jr. 1910-06 3428 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA412298  Cordylanthus rigidus subsp. setiger Francis W. Pennell, P. A. Munz 1940-8-24 26468 Los Angeles Gravelly soil along stream-course. Pomona College, Claremont. 366 Comment
  CAS-BOT-BC287755  Coreopsis bigelovii Le Roy Abrams; E. A. McGregor 1908-6-20 373 Los Angeles Liebre Mts 1371 Comment
  RSA271447  Coreopsis bigelovii C. W. Tilforth, John Dourley, Walter Wisura 1978-4-17 1529 Los Angeles Bob's Gap, about 2 1/2 mile north-east of Valyermo, north (desert) slopes of San Gabriel Mountains. 1097 Comment
  UC1536840  Coreopsis bigelovii G. H. True Jr. 1935-5-6 52 Los Angeles w of Llano P.O. (s side of buttes); Lovejoy Buttes Comment
  UCR98227  Coreopsis bigelovii B. G. Pitzer 1996-4-20 2690 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  UCD130996  Coreopsis californica Tom Gordon 1974-4-27 209 Los Angeles Antelope Valley. 165 St. E. T 8 Ave. Comment
  POM356026  Coreopsis gigantea Albert J. Perkins 1919-4-20 s.n. Los Angeles Catalina Island, road to summit. Comment
  JEPS30657  Corethrogyne filaginifolia Peter H. Raven and Henry J. Thompson 1959-9-18 14431 Los Angeles near Beverly Glen Boulevard Santa Monica Blvd.; Santa Monica Mts. 76 Comment
  SEINET10615503  Corethrogyne filaginifolia var. filaginifolia David B. Dunn 1941-2-23 Dunn 693 Los Angeles Two blocks north of Santa Monica Blvd. on Westwood Blvd. Comment
  RSA603819  Corethrogyne filaginifolia var. peirsonii Steve Boyd 1997-9-17 10035 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  CLARK-A1528-2616  Cornus occidentalis John C. Roos 1947-5-31 3666 Los Angeles San Gabriel Mountains Comment
  RSA628351  Cortaderia jubata Steve Boyd 1998-10-6 10294 Los Angeles Liebre Mountians: Pine Canyon, west of junction with Lake Hughes Road. 1158 Comment
  UCR137455  Cortaderia jubata Steve Boyd 1998-10-6 10294 Los Angeles West Mojave Desert/Transverse Range, Liebre Mtns. Region. Pine Canyon, west of junction with Lake Hughes Road 1159 Comment
  UCSB377  Cortaderia selloana Judi Zellhoefer 1960-4-12 50 Los Angeles collected in Mt Devon in the Carmel Highlands of the Coastal Range Mt Devon, and Carmel Highlands 91 Comment
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Oct 29 2014
  UCSB9473  Cotula australis Charles Crum 1958-7-14 60 Los Angeles collected in the U. C. L. A. (Faculty Hill) 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
  CATA89  Cotula coronopifolia Peter Henrikson 1987-4-17 67 Los Angeles Santa Catalina Island: Small reservoir southwest of Haypress Reservoir 396 Comment
  RSA709535  Crassula connata A. C. Sanders 2003-4-29 26160 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  RSA725670  Crassula connata Steve Boyd 2003-1-17 10440 Los Angeles Vicinity of Irwindale east of the San Gabriel River and west of gravel pits, just north of Foothill Blvd, ca. 600 meters west of Irwindale Ave. 177 Comment
  RSA608351  Crassula connata var. connata L. C. Wheeler 1931-2-22 s.n. Los Angeles 1/4 mile north, Woods Grove: (vicinity of Claremont). Comment
  RSA423458  Crassula connata var. erectoides Ora M. Clark 1929-3-24 1795 Los Angeles Santa Susana Mtns. Comment
  RSA723440  Crassula connata var. eremica George B. Grant 1905-4-19 s.n. Los Angeles [Unspecified] Comment
  POM356345  Crepis capillaris Anstruther Davidson 1873-7-6 2039 Los Angeles Big Rock Creek. Comment
  OBI5952  Cressa truxillensis Carl B. Wolf 1932-5-12 3593 Los Angeles Santa Catalina Island. Little Harbor Comment
  SBBG33327  Cressa truxillensis A. D. E. Elmer -Jul-1902 Los Angeles Lancaster Comment
  NY268582  Crossosoma californicum G. B. Grant 1904-4-21 235-/ 6149 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California. Comment
  NY268584  Crossosoma californicum A. Davidson 06 1892 5785 Los Angeles Santa Catalina Island. Comment
  SD108878  Crossosoma californicum James Henrickson 1977-12-5 16341 Los Angeles Rancho Palos Verdes, Forrestal Drive 185 Comment
  SD79061  Crossosoma californicum R. Mitchel Beauchamp 1966-8-8 51 Los Angeles Santa Catalina Island, south of Avalon Comment
  LA82194  Croton californicus O. H. Kappler; 1940-7-2 67 Los Angeles Santa Monica Mountains, Carbon Canyon Comment
  UCR141322  Cryptantha barbigera R. F. Thorne 1974-4-9 44706 Los Angeles San Gabriel Mtns, Bobs Gap in Holcomb Ridge 1220 Comment
  SJSU2490  Cryptantha circumscissa H. L. Buckalew 1962-4-18 Los Angeles Mohave Desert between Vincent & Little Rock Comment
  UC1349352  Cryptantha clevelandii Robert F. Thorne 1966-4-5 35850 Los Angeles Cottonwood Canyon Santa Catalina Island 106 Comment
  UC598546  Cryptantha intermedia John Bright 1936-4-16 12712 Los Angeles Santa Monica Mts. Comment
  UCR129421  Cryptantha intermedia A. C. Sanders, Mark Elvin 2002-6-18 25139 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  UCR273269  Cryptantha intermedia R. G. Swinney 2011-5-10 14655 Los Angeles San Gabriel Mountains, Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch 573 Comment
  UCR73414  Cryptantha intermedia T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5263 Los Angeles Channel Islands, San Clemente Island, W fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft. north of Rest [1336 ft.] marker & 1800 ft. SE of Malo Knoll [1396']. Upper portion of drainage 305 Comment
  POM305846  Cryptantha intermedia Henry J. Ramsey, Henry J. Ramsey 1940-3-4 1096 Los Angeles Foothill Blvd. West of San Gabriel Bridge. Comment
  SEINET3152260  Cryptantha intermedia E. K. Balls 1950-3-10 14447 Los Angeles Volunteer west Picnic Grove; rancho Santa Ana Botanic Garden Comment
  UC1587729  Cryptantha intermedia Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-17 5132 Los Angeles 1400 ft sse Jack (not Jack Point) (and 1350 ft nw of the mouth of Larkspur Canyon, near a solitary Prunus lyonii, e escarpment San Clemente Island); San Clemente Island 144 Comment
  RSA0039734  Cryptantha intermedia var. intermedia Roxanne Smith 1991-4-30 6 Los Angeles Hills south-east of Golden Springs and Diamond Bar Blvd. 1/4 mi. north of intersection Clear Crk. Cyn. Drive and Steep Cyn. Road. Comment
  IRVC28850  Cryptantha micrantha var. lepida Mark A. Elvin, Cathleen Weigand 2003-4-7 2451 Los Angeles Newhall Ranch Commerce Center, S of Castaic Creek, N of SR 126 Santa Clarita Valley 297 Comment
  UCR153577  Cryptantha microstachys A. C. Sanders, T. B. Salvato 2005-4-26 29713 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  RSA0053880  Cryptantha muricata R. G. Swinney 2010-5-11 12636 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA0080792  Cryptantha muricata R. G. Swinney 2010-4-13 12185 Los Angeles 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom. 610 Comment
  UCR146207  Cryptantha muricata Scott D. White, Michael Honer 2004-6-24 10488 B Los Angeles Pomona Valley/ San Gabriel Mtn. Foothills, City of Claremont; San Antonio Canyon alluvial fan, N of Baseline Ave. and west of concrete-lined flood control channel 518 Comment
  UCR272512  Cryptantha muricata R. G. Swinney 2011-5-26 14845 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  UCR146119  Cryptantha muricata var. jonesii Michael Denslow, Steve Boyd 2003-5-7 1084 Los Angeles Transverse Ranges; San Gabriel Mountains region, Glendora Ridge Motorway (1N26) west of intersection with Glendora Mountain Road (2N08) 762 Comment
  UCR223596  Cryptantha simulans R. G. Swinney 2009-6-8 11090 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
  SEINET10625790  Cucumis sativus Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3764 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  RSA394302  Cucurbita foetidissima Clare, G. R. Johnstone 1931-4-26 s.n. Los Angeles Playa del Rey. Comment
  SEINET10625783  Cucurbita pepo Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2514 Los Angeles City of Pasadena. Farm Fresh Ranch Market, 475 E. Orange Grove Blvd. Comment
  SEINET10924243  Cucurbita pepo Mary Merello, Heidi H. Schmidt 1999-12-7 Merello 2655 Los Angeles City of Glendale. Havana Market, 1024 E. Colorado St. Comment
  UCR178171  Cupressus guadalupensis var. forbesii LeRoy Gross 2002-2-23 480 Los Angeles Los Angeles Basin; Verdugo Mountains, Along Beaudry North Mountainway (dirt road) from bottom of Deer Creek to the main crest of the Verdugo Mtns 549 Comment
  UC153883  Cuscuta californica LeRoy Abrams 1902-7-5 2654 Los Angeles near Azusa Comment
  UCD126255  Cuscuta californica Daryl Koutnik 1978-6-25 564 Los Angeles 1 mile south of Seminole Hot Springs on Mulhollad Highway. 335 Comment
  CAS-BOT-BC59394  Cylindropuntia J. R. Pemberton 39 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC190271  Cynodon dactylon D. Demaree 1933-5-30 s.n. Los Angeles El Segundo. Comment
  RSA483536  Cynodon dactylon F. R. Fosberg 1931-4-1 S 4439 Los Angeles Santa Catalina Island: Hamilton Canyon near Avalon 75 Comment
  SBBG13799  Cynodon dactylon M. A. Piehl 1962-10-3 62498 Los Angeles main rd above Goat Harbor Comment
  UCR227714  Cynosurus echinatus Orlando Mistretta, Christine Mistretta 2010-6-25 5352 Los Angeles San Gabriel Mountains, Forest Route 2N24 near head of north fork of Santa Anita Canyon along SCE transmission line corridor 1215 Comment
  UCR206156  Cyperus eragrostis R. G. Swinney 2008-5-30 8910 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
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Dec 3 2009
  POM220642  Cyperus esculentus L. C. Wheeler 1932-8-9 1127 Los Angeles 2 miles SW [of] Azusa 107 Comment
  UC57097  Cyperus esculentus Ernest Braunton Oct, 1902 723 Los Angeles Vernon (L.A. City) Comment
  UCD169671  Cyperus odoratus Louis C. Wheeler 1967-9-18 s.n. Los Angeles Los Angeles River at Los Feliz Blvd. 116 Comment
  HSC24451  Datisca glomerata R. F. Thorne 1969-7-2 38216 Los Angeles San Gabriel Mtns., Angeles National Forest: Charlton Flats burn (of 1954) 1601 Comment
  OBI9197  Datura wrightii Bill Arbaugh 1966-5-28 s.n. Los Angeles lIttle Tajunga Cyn Comment
  RSA660761  Datura wrightii J. Doughty 1985-5-19 136 Los Angeles Angeles National Forest, Graveyard Canyon, junction of San Gabriel Road and entrance to Follows Camp. Comment
  POM246436  Daucus pusillus F. R. Fosberg 1931-4-10 S- 4531 Los Angeles Avalon Canyon, Santa Catalina Island. 150 Comment
  CAS-BOT-BC130936  Deinandra clementina W. S. Lyon 1884-1-1 s.n. Los Angeles Santa Catalina Isl. Comment
  SBBG94272  Deinandra fasciculata F. R. Fosberg 1931-5-21 4930 Los Angeles Parson's Landing 20 Comment
  SBBG44979  Deinandra kelloggii L. C. Wheeler 1933-6-27 1888 Los Angeles Foothill Blvd at Eaton Wash, Pasadena 213 Comment
  CAS-BOT-BC131009  Deinandra minthornii Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susana Pk. Comment
  CAS-BOT-BC131011  Deinandra minthornii John Thomas Howell 1977-3-7 52314 Los Angeles Summit of Santa Susana Pass, Los Angeles - Ventura Co. line Comment
  SBBG27162  Delphinium cardinale I. W. Clokey, B. Templeton -Jun-1929 4580 Los Angeles Mandeville Cyn 300 Comment
  UCR281600  Delphinium cardinale R. G. Swinney 2014-6-5 16711 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  UCR124740  Delphinium decorum B. C. Templeton 1932-5-31 4852 Los Angeles San Gabriel Mtns., Vincent Gulch below Big Pines Park, Angeles National Forest 2160 Comment
  CAS-BOT-BC7969  Delphinium parishii subsp. parishii R. S. Woglum 1935-5-6 730 Los Angeles Palmdale Comment
  RSA679834  Delphinium parishii subsp. parishii LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 893 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  RSA729366  Delphinium parishii subsp. parishii R. G. Swinney 1998-7-14 6435 Los Angeles Pine Mountain Ridge; 0.2-0.3 mi. west of Camp Lupine trail. Broad ridge top' montane coniferous forest. 2247 Comment
  RSA161121  Delphinium parryi Peter H. Raven 1962-5-22 17820 Los Angeles Santa Catalina Island, above Emerald Bay. 122 Comment
  SD212710  Delphinium parryi subsp. parryi Anuja Parikh, Nathan Gale 2005-4-29 2109 Los Angeles Newhall Ranch, River Park area East of I-5, North of Santa Clara River and West of Bouquet Canyon 351 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
  RSA748186  Delphinium patens subsp. hepaticoideum Scott D. White, Justin M. Wood 2009-5-6 12663 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA783869  Delphinium variegatum subsp. kinkiense Bart O'Brien, Jason Koontz, Bryan Munson 2012-4-23 2012 12 C Los Angeles San Clemente Island. Twin Dams. N-NE facing slope. 468 Comment
  SD90467  Dendromecon harfordii Robert F. Thorne 1970-3-5 39362 Los Angeles Santa Catalina Island; north slope of Blackjack Mountain. 456 Comment
  POM426  Dendromecon rigida Harry Lowe 1903-4-3 s.n. Los Angeles Collected near Pasadena Comment
  SEINET12103390  Dendromecon rigida I. W. Clokey, Templeton, B. 1929-1 4488 Los Angeles Mandeville Canyon, Santa Monica Mountains, type locality of D. caesia Greene 250 Comment
  RSA433223  Dendromecon rigida subsp. rigida Bonnie C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon 250 Comment
  RSA251432  Deschampsia danthonioides R. F. Thorne 1966-4-17 36097 Los Angeles San Clemente Island: mesa just NW of Thirst. 549 Comment
  UCR210115  Deschampsia elongata R. G. Swinney 2008-7-24 9349 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  UCR281412  Descurainia pinnata subsp. glabra R. G. Swinney 2014-4-30 16264 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
  CAS-BOT-BC43488  Descurainia sophia Ernest C. Twisselmann 1962-4-10 6857 Los Angeles Mojave Desert. Antelope Valley. Avenue A, 2.8 miles west of Highway 6. 670 Comment
  RSA757207  Descurainia sophia Orlando Mistretta, Christine Mistretta 2008-4-3 2291 Los Angeles Liebre Mountains region: near the intersection of Southern California Edison Transmission Line and Peaceful Valley Road, North of intersection of transmission Line and State Hwy 14, in the vicinity of Soledad Pass (Segment 5, structure 60 per TRTP survey; 2008). 1083 Comment
  UCSB10008  Descurainia sophia Haller, John 1957-4-13 Los Angeles (Continuation of Palmdale Ave.) 1 mile W. of Los Angeles-San Bernardino Co. line and ca. 32 road miles E. of Palmdale 914 Comment
  UC843601  Dichelostemma capitatum C. F. Baker 1904-4-22 4764 Los Angeles Monrovia Comment
  CAS-BOT-BC499441  Dichelostemma capitatum Geo. B. Grant; Walter Wheeler 1904-4-21 s. n. Los Angeles Santa Catalina Island Comment
  UCSB795  Dichelostemma capitatum subsp. capitatum Ballard 1954-4-13 Los Angeles Pomona Campus wash, Claremont 259 Comment
  RSA230055  Dichelostemma capitatum subsp. capitatum Robert F. Thorne 1971-6-26 40590 Los Angeles Summit of Mt. Wilson 1738 Comment
  RSA527649  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4368 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  RSA652079  Dichelostemma capitatum subsp. capitatum Anonymous 1948-2-20 s.n. Los Angeles San Dimas: located Bass Cliff Farm. Comment
  SEINET3885715  Dichelostemma pulchellum Keith Dobry 1990-11-25 111 a Los Angeles Simi Hills, at Dayton Canyon.; 0 Comment
  POM70012  Dicoria canescens subsp. hispidula Marcus E. Jones 1924-9-17 s.n. Los Angeles Lancaster. Comment
  POM365106  Digitaria ciliaris Bonnie C. Templeton 1962-7-30 9381 Los Angeles Los Angeles. Comment
  RSA365102  Digitaria sanguinalis E. S. Spalding 1922-10-9 s.n. Los Angeles Los Angeles. Near Exposition Park. Comment
  UCR182261  Dimorphotheca sinuata R. G. Swinney, Dave Larson 1998-4-26 6026 Los Angeles San Gabriel Mtns., LaVerne, north Marshall Canyon watershed, 2.1 miles NE of Wheeler Ave. and Golden Hills junction on Sunset Ridge Rd., along dirt motorway 549 Comment
  SD217383  Diplacus parviflorus Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4421 Los Angeles San Clemente Island. East side of island, near Malo Point, first canyon south of Bryce Canyon. Comment
  SBBG31315  Diplacus puniceus R. F. Thorne with P. C. Everett 1965-5-10 34443 Los Angeles S slope of Black Jack Mtn, a few hundred ft below summit 487 Comment
  CATA833  Distichlis spicata Mark L. Hoefs 1991-6-26 1431 Los Angeles Santa Catalina Island: Bulrush Canyon 335 Comment
  SBBG80118  Distichlis spicata F. R. Fosberg 1931-5-14 4871 Los Angeles Middle Ranch Cyn near mouth of Cape Cyn Comment
  LA81921  Dodecatheon clevelandii O. H. Kappler; 1941-2-9 87 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA461345  Dodecatheon clevelandii Ora M. Clark 1929-3-29 1797 Los Angeles East of Sandberg. Comment
  POM3629  Dodecatheon clevelandii subsp. clevelandii George B. Grant 1904-03 s.n. Los Angeles Pasadena. Comment
  SBBG55831  Dodecatheon clevelandii subsp. clevelandii J. A. Caldwell 1970-3-20 5 Los Angeles San Dimas Cyn Rd, 3.9 mi N of Foothill Blvd 914 Comment
  UC1001484  Dodecatheon clevelandii subsp. clevelandii H. J. Thompson 1948-3-5 1047 Los Angeles just e Pomona College (Claremont, at foot of San Gabriel Mountains); foot of San Gabriel Mountains, Claremont 304 Comment
  SD60371  Draba verna Peter H. Raven 1962-3-27 16993 Los Angeles Palos Verdes Hills along Palos Verdes Drive, 1.4 miles east of Portuguese Bend. Comment
  RSA729425  Drymocallis lactea var. lactea R. G. Swinney 1998-7-14 6430 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. Spring and meadow surrounded by montane coniferous forest; area burned in summer 1997. 2195 Comment
  RSA693697  Dryopteris arguta L. E. Hoffman 1930-5-5 s.n. Los Angeles Millard's Canyon, Angeles National Forest Comment
  UCR132297  Dryopteris arguta John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  RSA0065456  Dudleya abramsii Peter Gail 1961-05 s.n. Los Angeles Glendora Mountain Road, N. of Glendora. Comment
  RSA632437  Dudleya cymosa subsp. pumila Valerie L. Soza, LeRoy Gross 1999-7-15 626 Los Angeles San Gabriel Mountains: Mt. Wilson Trail where it meets upper Little Santa Anita Canyon. 1158 Comment
  RSA603340  Dudleya lanceolata Scott D. White 1997-5-22 5216 Los Angeles Azuza; alluvial fan E and W of levee; between Foothill Blvd. crossing and San Gabr. Valley Gun Club. 183 Comment
  RSA670367  Dudleya lanceolata I. W. Clokey, B. C. Templeton 1929-05 4597 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  RSA244381  Dudleya lanceolata Robin S. Collins 1973-5-15 268 Los Angeles Trail Canyon, from start of pack trail and into canyon ca. 3 mi. 609 Comment
  RSA226522  Dudleya multicaulis C. W. Tilforth 1971-5-30 381 Los Angeles Johnson's Pastures; hills n. of Claraboya, Claremont 487 Comment
  RSA755675  Dudleya pulverulenta Michael C. Long 1983-4-1 254 Los Angeles San Gabriel Mountains, Placerita Canyon, about 0.7 miles east of Placerita Canyon Nature Center Comment
  SBBG98520  Dudleya virens T. Ross 1991-5-23 5492 Los Angeles lower Tota Cyn, E escarpment 76 Comment
  CAS-BOT-BC109736  Dudleya virens subsp. hassei Reid Moran 1941-5-27 873 Los Angeles Lovers' Cove, near Avalon, Catalina Island. Comment
  SFV22151  Dysphania botrys J. N. Hogue 2012-8-4 424 .1 Los Angeles San Gabriel Mountains Camp Eaton (= old Camp Cumorah Crest). 1860 Comment
  UCR230591  Dysphania multifida Mike Misenhelter 2011-8-9 s.n. Los Angeles San Gabriel Valley, Walnut, along south side of Hwy 60 near Walnut Dr. and east of the Fairway exit, near Royal Vista Golf Course 159 Comment
  UCR223615  Dysphania pumilio R. G. Swinney 2009-6-27 11284 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 194 Comment
  CDA1984  Echinochloa colona L. C. Wheeler 1970-10-15 s.n. Los Angeles Los Angeles: Huntington Drive and Collis Avenue. 0 Comment
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Oct 17 2014
  CAS-BOT-BC197142  Echinochloa crus-galli Louis C. Wheeler 1933-12-24 2341 Los Angeles San Dimas Canyon Dam, San Gabriel Mts. 426 Comment
  RSA603320  Echinochloa crus-galli Scott D. White 1997-5-21 5193 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
  RSA608331  Echinodorus berteroi L. C. Wheeler 1951-8-20 6835 Los Angeles Pasadena: Devils Gate Dam. Comment
  UCR178777  Eclipta prostrata R. G. Swinney 1989-9-16 s.n. Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 335 Comment
  SBBG42097  Ehrharta erecta S. A. Junak 1998-6-13 SCa 743 Los Angeles Avalon, in planted area at Casino Building 7 Comment
  UCR258512  Elatine brachysperma R. G. Swinney 2010-9-13 13805 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1691 Comment
  UCR205203  Eleocharis R. G. Swinney 2005-8-11 8471 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  CAS-BOT-BC113048  Eleocharis montevidensis Robert F. Thorne; M. Z. Thorne 1967-7-19 37130 Los Angeles San Gabriel Mts. Yucca Flats Summer Home Tract 1249 Comment
  CAS-BOT-BC113043  Eleocharis montevidensis I. Johnston 1916-10-10 13 Los Angeles Red Hill near Upland, marsh. Comment
  RSA0127375  Eleocharis montevidensis Louis C. Wheeler 1967-7-20 10131 Los Angeles Aliso Canyon. 1067 Comment
  POM11252  Eleocharis parishii I. M. Johnston 1917-8-23 1631 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  POM184661  Eleocharis parishii L. C. Wheeler 1932-8-28 1302 Los Angeles Puddingstone Canyon, San Jose Hills, S. San Dimas. 259 Comment
  UCR127406  Elymus condensatus A. C. Sanders, M. S. Enright 2002-8-8 25573 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 457 Comment
  UCR180185  Elymus condensatus R. G. Swinney 1967-6-25 159 Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 488 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
  POM359920  Elymus elymoides J. G. Smith 1935-4-19 s.n. Los Angeles 1 mile west of Palmdale, Mojave Desert. Comment
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Oct 21 2015
  UCD61527  Elymus elymoides A. A. Beetle 1942-6-25 3637 Los Angeles San Bernardino Mountain, 4 miles north of Big Pine Camp on Rt. 2. 1828 Comment
  SEINET10564688  Elymus elymoides Adolph D. E. Elmer Elmer 4166 Los Angeles Acton. Comment
  RSA794749  Elymus glaucus Jane Tirrell, Graham Bothwell 2012-7-11 LS 0109 Los Angeles South side California State Route 2 at mile marker 67.7 2299 Comment
  SBBG56928  Elymus glaucus R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  LA13075  Elymus glaucus subsp. glaucus A. M. Johnson; 1932-5-30 4090 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mt. Cragg Canyon. 152 Comment
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Apr 22 2014
  RSA577552  Elymus glaucus subsp. glaucus L. C. Wheeler 1933-7-4 1893 Los Angeles San Dimas Canyon, San Gabriel Mountains. 534 Comment
  RSA618594  Elymus glaucus subsp. glaucus L. C. Wheeler 1967-5-18 9617 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  UCR271251  Elymus glaucus subsp. glaucus R. G. Swinney 2011-6-1 14973 Los Angeles San Gabriel Mountains, north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes 1256 Comment
  UCR210076  Elymus hispidus R. G. Swinney 2008-7-24 9339 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  UCR65254  Elymus triticoides F. R. Fosberg 1931-5-7 S- 04831 Los Angeles Channel Islands, Santa Catalina Island, hillside above dam, Cottonwood Canyon Comment
  RSA137875  Emmenanthe penduliflora Robert F. Thorne 1966-4-7 35972 Los Angeles Santa Catalina Island: Howland Landing canyon near road to Johnson s Landing. 23 Comment
  RSA756080  Emmenanthe penduliflora R. G. Swinney 1998-4-14 5984 Los Angeles Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands. 1299 Comment
  UC880686  Emmenanthe penduliflora F. R. Fosberg 1931-4-23 S 4694 Los Angeles Upper Middle Ranch Canyon; Santa Catalina Island 260 Comment
  UCR127892  Emmenanthe penduliflora A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26107 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
  RSA678394  Encelia actoni Valerie L. Soza, LeRoy Gross 2002-4-3 1377 Los Angeles West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. Comment
  RSA710390  Encelia actoni LeRoy Gross 2005-5-3 2254 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
  POM199685  Encelia californica I. W. Clokey, B. C. Templeton 1929-03 4453 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  RSA526475  Encelia californica Timothy S. Ross 1991-3-24 4314 Los Angeles Whittier Hills. 311 Comment
  SFV5531  Encelia californica W. A. Kelley 1969-4-1 s. n. Los Angeles Santa Monica Mountains Studio City. Near Laurel Canyon. Comment
  NY73772  Ephedra nevadensis T. S. Ross 1992-4-4 6104 Los Angeles San gabriel Mountains: Big Rock Creek: ca. 0.25 mile south of Big Pines Highway, on alluvial bench between the stream and Bog Rock Creekl Road. Valyermo USGS 7.5' Quad 1207.0 Comment
  RSA625161  Ephedra nevadensis L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  UCR193429  Ephedra nevadensis Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, mesa along north side of Santa Clara River, 1 km west of Sand Canyon Rd., Santa Clarita 470 Comment
  RSA316367  Ephedra viridis Robert F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54994 Los Angeles Holcomb Ridge 1159 Comment
  RSA592359  Ephedra viridis L. C. Wheeler 1967-5-12 9427 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  POM2981  Epilobium canum subsp. canum Elizabeth Colson 1908-6-18 43 Los Angeles Claremont. 400 Comment
  RSA588446  Epilobium canum subsp. canum M. B. Dunkle 1939-11-24 7340 Los Angeles San Clemente Island. Canyon head, Mosquito Summit. Comment
  UC624987  Epilobium canum subsp. canum F. R. Fosberg 1931-7-15 S 5419 Los Angeles Isthmus Santa Catalina Id. (ocean bluffs) 5 Comment
  UCR204760  Epilobium ciliatum R. G. Swinney 2005-8-9 8435 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  UCR209601  Epilobium ciliatum R. G. Swinney 2008-7-2 9137 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  CHSC95443  Epilobium ciliatum subsp. ciliatum LeRoy Gross; Valerie Soza 2001-6-6 429 Los Angeles Los Angeles Basin: Verdugo Mountains Region: north side; Hostetter Mountain Way, off of La Tuna Canyon Road. 671 Comment
  HSC16600  Epipactis gigantea C. S. Apperson 1967-6-24 Los Angeles 1/2 mi. up Stunt Canyon Rd. off of Mullholland Dr., Santa Monica Mtns. Comment
  LA94795  Epipactis gigantea David S. Verity; sn Los Angeles Comment
  UCR149531  Equisetum laevigatum R. G. Swinney 1997-6-25 5648 Los Angeles San Gabriel Mtns., west of Wrightwood, Blue Ridge Trail, small canyon that is tributary of Sawmill Canyon from the NW, 0.9 mi. SE of Hwy 2 2195 Comment
  UCR206459  Equisetum laevigatum R. G. Swinney 2008-6-9 8951 Los Angeles San Gabriel Mtns., Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  CAS-BOT-BC57756  Equisetum telmateia Geo. B. Grant 1904-4-1 406 Los Angeles Pasadena. Comment
  UCR105725  Equisetum telmateia subsp. braunii L. C. Wheeler 1932-6-13 809 Los Angeles Los Angeles Basin, Los Angeles River at Los Feliz Blvd. 122 Comment
  UCR127666  Eragrostis barrelieri A. C. Sanders, Kim Marsden 2003-6-20 26989 Los Angeles Western Transverse Range/Santa Clara River Watershed, Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch 305 Comment
  LA51651  Eragrostis cilianensis T. Mosquin; 1957-8-4 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Botanical garden. Comment
  POM352253  Eragrostis pectinacea Robert M. Perkins 1936-5-26 179 Los Angeles West L.A. Comment
  SEINET10555595  Eragrostis pectinacea Hermann E. Hasse Hasse s.n. Los Angeles Cultivated grounds. Comment
  UC1130398  Eremocarpus setiger Jerome S. Horton 1936-9-3 404 Los Angeles San Dimas Lookout Pomona Quadrangle Comment
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May 8 2013
  RSA421543  Eremocarpus setiger F. R. Fosberg 1930-6-26 53037 Los Angeles Lower Ballona Creek. 6 Comment
  RSA421557  Eremocarpus setiger Edwin Kline 1924-6-22 a.n. Los Angeles foothills, Mt. Wilson. Comment
  CAS-BOT-BC162726  Eremothera boothii subsp. decorticans W. R. Dudley; F. H. Lamb 1896-6-12 4438 Los Angeles Near Gorman's Station - Tejon Pass, Mt. Pinos Region Comment
  RSA0106913  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2009-6-24 11259 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  RSA0104851  Eriastrum densifolium subsp. austromontanum Barbara Ertter, Jeffrey L. Strachan 1979-6-29 3009 Los Angeles N edge of Angeles Nat'l Forest ca 9 air-miles ESE of Pearlblossom, 1.7 mi N of Mile High on County Hwy N4. 1463 Comment
  RSA0107789  Eriastrum densifolium subsp. elongatum Geo L. Moxley 1913-7-26 s.n. Los Angeles Near San Fernando. Comment
  CAS-BOT-BC123854  Eriastrum pluriflorum subsp. sherman-hoytiae Philip Alexander Munz; T. T. Craig 1933-5-13 12925 Los Angeles 10 miles S of Muroc Comment
  SBBG118934  Eriastrum sapphirinum S. D. White with P. De Vries 2004-6-14 10502 Los Angeles Lyon Cyn, W of Interstate 5, ca. 4 mi N of the I-5 jct with Hwy 14, ca. 6 mi S of Castaic Jct 396 Comment
  CAS-BOT-BC514990  Eriastrum sapphirinum subsp. dasyanthum R. F. Hoover 1968-6-6 11147 Los Angeles Summit of Santa Monica Mts. just W of Sepulveda Blvd. Comment
  POM359317  Ericameria cooperi Ralph Hoffmann 1931-4-20 s.n Los Angeles Lancaster Comment
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Jul 24 2010
  UCR255760  Ericameria cooperi R. G. Swinney 2010-5-12 12703 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  RSA532832  Ericameria cuneata var. cuneata Timothy S. Ross 1991-8-14 5784 Los Angeles 0.48 mi E of Roundtop Truck Rd. 1917 Comment
  RSA597015  Ericameria cuneata var. cuneata Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3812 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  RSA590923  Ericameria linearifolia Orlando Mistretta 1994-4-12 1013 Los Angeles San Gabriel Mountains, Little Rock Creek. Slopes E of Little Rock Reservoir. 1005 Comment
  RSA597568  Ericameria linearifolia Timothy S. Ross, Peter W. Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3760 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  RSA606011  Ericameria linearifolia L. C. Wheeler 1968-5-31 s.n. Los Angeles Devil's Canyon, Campground Vicinity. 1220 Comment
  SD42006  Ericameria linearifolia Darley F. Howe 1947-5-5 Los Angeles North side San Gabriel Mountains. Comment
  SEINET3196402 Image available Ericameria linearifolia Richard G. Swinney 2009-4-2 10266 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road (Valyermo 7.5' Q.) 1223 Comment
  UC1118787  Ericameria palmeri var. pachylepis P. L. Johannsen 1934-2-8 271 Los Angeles Saugus Santa Susana Quadrangle Comment
  SBBG62861  Ericameria parishii M. N. Ackley -Sep-1930 184 Los Angeles Valley Forge 1036 Comment
  JEPS19138  Ericameria parishii var. parishii Frank W. Peirson 1918-8-16 224 Los Angeles Baldy San Gabriel Mountains, Mt. San Antonio, Baldy 2133 Comment
  CAS-BOT-BC293150  Ericameria pinifolia Javier Penalosa 1960-9-1 908 Los Angeles Eastern Los Angeles Co. San Dimas Canyon Park Comment
  SBBG62802  Ericameria pinifolia R. Hoffmann 1927-9-21 Los Angeles Castaic Comment
  RSA588870  Erigeron foliosus var. foliosus Orlando Mistretta 1994-9-21 1495 Los Angeles San Gabriel Mtns., Santiago Canyon, At jct. of Forest Rd. 4N20 with Santiago Creek. 1280 Comment
  SBBG14462  Erigeron foliosus var. foliosus H. and M. Dearing 1944-10-5 5899 Los Angeles Chilao 1524 Comment
  SFV13409  Erigeron foliosus var. foliosus W. M. Perry 1980-7-3 74 Los Angeles San Gabriel Mountains Firebreak on ridge of east side of lower Cattle Canyon. 1050 Comment
  SJSU3878  Erigeron foliosus var. foliosus C. W. Sharsmith 1964-1-1 7177 Los Angeles near head of Bear Canyon (Arroyo Seco drainage), San Gabriel Mountains 1371 Comment
  JEPS41491  Erigeron foliosus var. foliosus Frank W. Peirson 1920-9-15 2285 Los Angeles 2 mi n Baldy; San Gabriel Mts., Summit of Pine Mt. 2941 Comment
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Jul 8 2021
  POM49616  Erigeron foliosus var. stenophyllus A. D. E. Elmer 1902-06 3502 Los Angeles Lancaster. Comment
  POM4756  Erigeron philadelphicus I. M. Johnston 1917-5-13 1020 Los Angeles El Monte. 84 Comment
  CHSC3679  Eriodictyon Mary MacArthur 1966-5-26 30 Los Angeles Switzers Camp, San Gabriel Mountains. 91 Comment
  SFV2963  Eriodictyon crassifolium P. G. Kilburn 1958-4-26 768 Los Angeles Santa Susana Mountains Gentile (Gentili) Ranch. 460 Comment
  UCD119236  Eriodictyon crassifolium Elise Jackson 1993-4-30 32 Los Angeles Newhall, E. side of The Old Road, 1/2 mi. so. Of Calgrove Blvd. 396 Comment
  RSA222244  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1936-7-2 4206 Los Angeles Damp sunny silt in ravine Bottom, Bell Canyon 854 Comment
  SBBG65148  Eriodictyon crassifolium var. nigrescens unknown 1928-7-9 Los Angeles Antelope Valley Comment
  SJSU8885  Eriodictyon crassifolium var. nigrescens H. E. McMinn 1935-6-19 3911 Los Angeles San Fernando Wash Comment
  CAS-BOT-BC188947  Eriodictyon parryi F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Mount Wilson, San Gabriel Mountains 1794 Comment
  RSA156329  Eriodictyon trichocalyx var. trichocalyx L. R. Abrams 1902-6-30 2607 Los Angeles Mt. Wilson. 1707 Comment
  RSA508719  Eriodictyon trichocalyx var. trichocalyx Barry Burnell 1969-5-22 137 Los Angeles San Antonio Canyon just below the narrows below Camp Baldy. San Antonio Creek Drainage Area. 1067 Comment
  UCR223124  Eriogonum R. G. Swinney 2009-7-22 11361 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA792632  Eriogonum Robert F. Thorne, M. Z. Thorne 1969-7-10 38445 Los Angeles C. 1 mile west of Wrightweed. 1951 Comment
  UCR238480  Eriogonum angulosum Orlando Mistretta, Christine Mistretta 2008-5-3 2620 Los Angeles Transverse Ranges; Liebre Mountains, Southern California Edison transmission line tower (Segment 5, structure 29 per TRTP Survey 2008), in the vicinity of Ritter Ridge, just north of Elizabeth Lake Road 911 Comment
  RSA0080359  Eriogonum baileyi R. G. Swinney 2011-6-29 15362 Los Angeles Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground. 1082 Comment
  RSA393145  Eriogonum cinereum Ora M. Clark 1928-12-23 1383 Los Angeles Hermosa. Comment
  RSA66338  Eriogonum davidsonii F. R. Fosberg, Joseph A. Ewan 1931-8-12 4917 Los Angeles San Gabriel Mountains: summit of Mt. Islip 2500 Comment
  UCR277142  Eriogonum davidsonii R. G. Swinney 2011-6-15 15210 Los Angeles San Gabriel Mountains, Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy 1631 Comment
  IRVC28555  Eriogonum elongatum A. C. Sanders 2003-8-5 27107 Los Angeles Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  RSA127805  Eriogonum elongatum Peter H. Raven, Henry J. Thompson 1959-9-27 s.n. Los Angeles Muholland Hwy just east of Decker Rd. 549 Comment
  RSA65159  Eriogonum elongatum var. elongatum F. W. Peirson 1919-10-26 19 Los Angeles Along Pacific Electric tracks to Rubio Canyon, San Gabriel Mts. 549 Comment
  SBBG62014  Eriogonum elongatum var. elongatum R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  UCR214649  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Dan S. Cooper 2010-4-30 38140 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR223658  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-6-17 11153 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  CHSC98727  Eriogonum fasciculatum var. foliolosum LeRoy Gross; Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1076 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of mountains; south of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  RSA584673  Eriogonum fasciculatum var. foliolosum Tim S. Ross, Annette H. Ross 1991-6-3 5549 Los Angeles San Jose Hills: undeveloped slopes west of California State Polytechnic University, Pomona. 274 Comment
  RSA670922  Eriogonum fasciculatum var. foliolosum Joseph M. Keefe 2001-1-19 30940 Los Angeles End of sidewalk along Eagle Rock View Drive, south facing slope, south face of the Eagle Rock. 293 Comment
  UCR127966  Eriogonum fasciculatum var. foliolosum A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26088 Los Angeles Western San Gabriel Mtns., Newhall Ranch, Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon 457 Comment
  CAS-BOT-BC250107  Eriogonum fasciculatum var. polifolium J. Ewan 1931-5-30 4264 Los Angeles Short Cut Canyon, off West Fork, San Gabriel River, San Gabriel Mts. 1219 Comment
  CAS-BOT-BC250112  Eriogonum fasciculatum var. polifolium A. D. E. Elmer 1902-6-1 3660 Los Angeles Palmdale Comment
  UC1032079  Eriogonum fasciculatum var. polifolium A. Simontacchi 1935-5-26 43 Los Angeles 1 3/4 mi wsw Manzana; Tejon Quadrangle Comment
  RSA0127575  Eriogonum fasciculatum var. polifolium Louis C. Wheeler 1967-7-18 10092 Los Angeles W side of ridge, SE of Yerba Buena Spring, Gold Creek. 1250 Comment
  RSA20487  Eriogonum giganteum var. formosum P. A. Munz 1923-4-10 6754 Los Angeles San Clemente Island, middle of island Comment
  POM243811  Eriogonum giganteum var. giganteum F. R. Fosberg 1931-7-14 S 5407 Los Angeles Santa Catalina Island. 5 Comment
  RSA3613  Eriogonum giganteum var. giganteum Carl B. Wolf 1932-5-14 3632 Los Angeles Santa Catalina Island. Hillside above Amphitheatre, Avalon. 61 Comment
  RSA393369  Eriogonum giganteum var. giganteum G. R. Johnstone 1929-7-21 s.n. Los Angeles Santa Catalina Island. Comment
  RSA511364  Eriogonum giganteum var. giganteum A. C. Sanders 1988-5-18 7850 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and E of Vista Del Mar Blvd. Comment
  UCSC011208  Eriogonum gracile Adam Searcy 2015-7-24 68 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  RSA766136  Eriogonum gracile Joseph A. Ewan 1928-8-16 1522 Los Angeles Nichols Canyon. Santa Monica Mts. 213 Comment
  RSA393232  Eriogonum gracile var. gracile Bonnie C. Templeton 1939-9-6 s.n. Los Angeles Playa del Rey. 40 Comment
  UC1537289  Eriogonum gracillimum Gordon H. True Jr. 1935-4-19 268 Los Angeles Lovejoy Butte 853 Comment
  UC184271  Eriogonum gracillimum A. D. E. Elmer June, 1902 3655 Los Angeles Lancaster Comment
  SBBG125470  Eriogonum hirtiflorum A. Parikh, N. Gale 2010-6-18 3339 Los Angeles upper Big Tujunga Cyn, 0.9 km N of St Hwy 2, 0.3 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1240 Comment
  UCR238646  Eriogonum hirtiflorum Anuja Parikh, Nathan Gale 2010-6-18 3339 Los Angeles Transverse Range; San Gabriel Mountains, upper Big Tujunga Canyon, 0.9 km north of State Hwy 2 (Angeles Crest Hwy) 0.3 km west of Upper Big Tujunga Canyon Road 1240 Comment
  RSA249799  Eriogonum maculatum Robert F. Thorne, C. W. Tilforth 1973-4-20 43002 Los Angeles San Gabriel Mountains, Mojave Desert slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge. 1143 Comment
  RSA766494  Eriogonum microtheca var. corymbosoides Joseph A. Ewan 1936-7-27 9846 Los Angeles N. end of Table Mt., Swartout Valley. San Gabriel Mts. 2134 Comment
  RSA66039  Eriogonum mohavense F. W. Peirson 1919-5-11 407 Los Angeles Soledad Canyon, about 1 mile below Acton, sw. Mojave Desert. 808 Comment
  RSA393608  Eriogonum nudum var. pauciflorum H. de Forest 1932-10-16 s.n. Los Angeles Barley Flats. San Gabriel Mountains, Angeles National Forest. Comment
  RSA0103796  Eriogonum parishii R. G. Swinney 2011-6-14 15113 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  UCR45041  Eriogonum parvifolium A. C. Sanders 1986-7-30 6826 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
  RSA0012046  Eriogonum pusillum R. G. Swinney 2009-4-29 10595 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  SD108955  Eriogonum roseum James Henrickson 1972-11-2 8087 Los Angeles 4 mi. N. of Newhall in Mayo Hospital site at Mc Bean Parkway near Orchard Village Rd. 372 Comment
  CAS-BOT-BC267605  Eriogonum saxatile G. J. Goodman; C. L. Hitchcock 1930-7-28 1730 Los Angeles S. slope of Mt. San Antonio 2834 Comment
  RSA766481  Eriogonum umbellatum var. munzii E. L. Peterson 1929-7-14 312 Los Angeles Big Tujunga Canyon, about 2 miles above Hansen. San Gabriel Mts. Comment
  UC6465  Eriogonum umbellatum var. munzii Harvey M. Hall 1895-8-12 216 Los Angeles S. Antonio Mts. 2133 Comment
  RSA774804  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2009-7-23 11400 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA585775  Eriogonum wrightii var. subscaposum Orlando Mistretta 1995-7-11 1880 Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  OBI44799  Eriophyllum confertiflorum David J. Keil, V. L. Holland, Michael Stiles, and Francis Villiablanca 1987-5-1 20059 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  PASA2208  Eriophyllum confertiflorum Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA607001  Eriophyllum confertiflorum Leota Brice 1930-5-22 s.n. Los Angeles Palmdale. Comment
  RSA549161  Eriophyllum confertiflorum var. confertiflorum Timothy S. Ross, Peter W. Fritsch 1990-6-20 3657 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  RSA596005  Eriophyllum confertiflorum var. confertiflorum Timothy S. Ross, J. Mark Porter 1995-5-4 8431 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UC1587168  Eriophyllum confertiflorum var. confertiflorum Tim Ross 1991-5-21 5422 Los Angeles upper reaches of Box Canyon (sw side of island); San Clemente Island, Box Canyon 365 Comment
  UCR276785  Eriophyllum pringlei R. G. Swinney 2011-4-1 14304 Los Angeles San Gabriel Mountains/SW Mojave Desert, WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UCR51043  Eriophyllum pringlei A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7767 Los Angeles Western Mojave Desert, Lancaster, near Quartz Hill, south of Ave L at 37th St. West 747 Comment
  SD90517  Erodium botrys Robert F. Thorne 1966-4-17 36083 Los Angeles San Clemente Island: Grassland near reservoirs between Boulder and Horton, northeast side of island. 487 Comment
  RSA0055789  Erodium cicutarium R. G. Swinney 2010-4-28 12437 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. 488 Comment
  POM18218  Erodium cicutarium P. A. Munz 1923-4-10 6704 Los Angeles San Clemente Island: canyon-wall, south of Lemon Tank ; east coast Comment
  UCR184101  Erodium macrophyllum A. C. Sanders 2007-4-13 33406 Los Angeles Tehachapi Mtns. Foothills, southeast of National Cement Plant, along creek just below Kern Co. line 1006 Comment
  SFV12028  Erysimum capitatum D. L. Koutnik, B. Holguin 1978-4-1 213 Los Angeles South side of Sierra Highway and east of Anthony Road. 884 Comment
  UC1126622  Erysimum capitatum G. T. Nordstrom 1935-3-24 411 Los Angeles 2.5 mi se mouth of Beartrap Canyon; Santa Barbara National Forest, Tejon Quadrangle Comment
  UCD168354  Erysimum capitatum J. W. Barry 1980-5-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  UCR205609  Erysimum capitatum R. G. Swinney 2008-5-13 8849 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  UCR223202  Erysimum capitatum R. G. Swinney 2009-7-22 11309 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  CAS-BOT-BC40705  Erysimum capitatum H. Arnott; W. Arnott; J. Ingram; F. Chisaki 1955-4-16 50 Los Angeles Routh #6, ca. 2 miles west of turn-off to Blum Ranch, near Acton. Comment
  POM308879  Erysimum capitatum var. capitatum Anonymous 1942-5-1 625 Los Angeles San Dimas Canyon below fork to Wolfskill Canyon, San Dimas experimental Forest Comment
  UCR41718  Erysimum suffrutescens G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  SD217385  Erythranthe floribunda Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4291 Los Angeles San Clemente Island. East side of island, near Malo Point, first canyon south of Bryce Canyon. Comment
  SD28093  Erythranthe parishii Carl B. Wolf 1932-8-11 4011 Los Angeles Desert slope of San Gabriel Mts., Big Rock Creek, 1Ao mi. below Big Rock Ranger Station 914 Comment
  UC57537  Eschscholzia Geo. B. Grant May 1901 3777 Los Angeles Catalina Island Comment
  RSA733167  Eschscholzia caespitosa R. G. Swinney 1998-8-1 6621 Los Angeles San Gabriel Mtns.: Vincent Gulch, 2.5 mi. ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River. 1427 Comment
  RSA799675  Eschscholzia californica Pam De Vries 2013-4-3 7836 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Road. 1054 Comment
  UC1602186  Eschscholzia californica Geo. B. Grant March 1903 418 a Los Angeles Pasadena Comment
  UCR277520  Eschscholzia californica Mitch Provance, Stephen Reynolds 2011-5-5 17207 Los Angeles San Gabriel Valley, City of San Gabriel, northwest of the intersection of Burton Ave. and E. Las Tunas Dr. 130 Comment
  RSA433649  Eschscholzia californica M. B. Dunkle 1928-5-27 1983 Los Angeles Hamilton Canyon, San Clemente Island Comment
  SBBG18906  Eschscholzia minutiflora F. E. Clements 1918-5-26 Los Angeles Antelope Valley Comment
  UCR247480  Eucalyptus cornuta R. E. Riefner Jr. 2007-3-10 07- 122 Los Angeles South Coast, Palos Verdes Peninsula, Palos Verdes Estates, north of Palos Verdes Drive West, Malaga Creek, Via Alar at Via Corta 41 Comment
  RSA0012819  Eucalyptus polyanthemos Tim S. Ross, Janet Takara, S. Otte 1993-4-24 6964 Los Angeles Santa Catalina Island. W end of island beyond the isthmus, lower Bouchette Canyon, ca 545 m W of Johnsons Landing, at an old Boy Scout camp. 18 Comment
  CHSC36433  Eucrypta chrysanthemifolia Arthur W. Dawson 1982-4-11 3 Los Angeles Roadside ca. 2 m n of Tuna Canyon Rd. and ca. 1.0 km n of Pacific Coast Highway, ca. 6.0 air km w of Pacific Palisades. 65 Comment
  UCR216895  Eucrypta chrysanthemifolia R. G. Swinney 2009-2-20 10030 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  UCR259958  Eucrypta chrysanthemifolia R. G. Swinney 2010-3-18 11985 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  POM49293  Eucrypta chrysanthemifolia L. W. Nuttall 1920-5-22 s.n. Los Angeles Santa Catalina Island. Rock Spring canyon. Comment
  RSA420825  Eucrypta chrysanthemifolia H. L. Bauer 1932-03 1538 Los Angeles Santa Monica Mts. Comment
  UC1122265  Eulobus californicus A. D. Gifford 1938-5-8 670 Los Angeles 1 mi ne Whitaker Peak; Angeles National Forest, Tejon Quadrangle Comment
  CLARK-A1528-2701  Euphorbia maculata John C. Roos 1942-9-12 1756 Los Angeles Los Angeles Comment
  UCR206175  Euphorbia nutans A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36944 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
  CATA2994  Euphorbia peplus Peter J. Dixon 2015-2-27 026 Los Angeles Santa Catalina Island: Wild Boar Gully, 300m south of Wild Boar Gully Rd. 180 Comment
  SBBG33610  Euphorbia peplus S. A. Junak with K. Kirkland, M. L. Hoefs 1998-6-11 SCa 706 Los Angeles mouth of small cyn just SE of Frog Rock 3 Comment
  UCR50852  Euphorbia peplus A. C. Sanders 1988-5-18 7830 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  RSA608057  Euphorbia peplus L. C. Wheeler 1931-2-20 s.n. Los Angeles Pomona: Ganesha Park. Comment
  CATA1926  Euphorbia serpillifolia subsp. serpillifolia Amy Catalano 2014-10-2 017 Los Angeles Santa Catalina Island: Margin of Echo Lake 393 Comment
  RSA654224  Euphorbia spathulata Valerie L. Soza, Ian Gillespie, LeRoy Gross 2000-5-18 944 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon. 655 Comment
  RSA0039389  Euthamia occidentalis R. G. Swinney 2009-11-16 11643 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  SBBG107222  Extriplex californica J. Rebman, J. Dunn 1996-4-29 3121 Los Angeles Eel Cove, near Eel Pt Comment
  SBBG37751  Extriplex californica M. B. Dunkle 1939-4-5 7275 Los Angeles China Pt Comment
  RSA611600  Festuca californica subsp. parishii L. C. Wheeler 1968-5-15 s.n. Los Angeles San Gabriel Mountains: Ridge between San Antonio Canyon and mouth of Cascade Canyon. 1066 Comment
  UCR185565  Festuca microstachys A. C. Sanders 2007-4-25 33574 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  UCR277218  Festuca myuros R. G. Swinney 2010-6-1 13168 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
  UCR91506  Festuca myuros Scott D. White 1996-4-13 3931 Los Angeles Claremont. Geneva Avenue: north of San Jose, south of Arrow Highway, west of Indian Hill, east of Towne 323 Comment
  UCR203202  Festuca octoflora R. G. Swinney 2005-5-21 8243 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  UCR259261  Festuca perennis R. G. Swinney 2010-6-4 13003 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  CATA1360  Festuca temulenta Mark L. Hoefs, Robert F. Thorne 1995-7-26 2472 Los Angeles Santa Catalina Island: Lower Middle Canyon, just below Eagle's Nest Lodge 134 Comment
  RSA0018987  Ficus carica Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11697 Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway on north side of the highway. 427 Comment
  RSA0110757  Ficus carica R. G. Swinney 2011-10-25 15858 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  SBBG31136  Ficus carica R. F. Thorne with M. Z. Thorne 1966-5-31 Los Angeles Orizaba Mtn 579 Comment
  RSA0113945  Ficus microcarpa R. E. Riefner Jr. 2014-8-11 14 -284 Los Angeles City of Long Beach, Belmont Shores, N. Side of Ocean Blvd. at Prospect Ave. 4 Comment
  RSA453791  Foeniculum vulgare Robert Gustafson 1980-7-9 1814 Los Angeles Ballona Wetlands, Area 3. Comment
  PASA16  Forestiera neomexicana Margaret Stason 1931-5-9 Los Angeles Willow Springs M. DES. Comment
Read comments
Apr 30 2015
  POM251787  Forestiera pubescens J. C. Roos 1937-8-11 22 Los Angeles W of Lancaster, Mojave Desert Comment
  RSA601114  Forestiera pubescens Louis C. Wheeler 1967-6-26 9900 Los Angeles San Gabriel Mountains : Elsmere Canyon, south central. At the forks of the canyon, just north of the section line. 488 Comment
  SFV21068  Forestiera pubescens L. Gross 2001-3-25 360 b Los Angeles Verdugo Mountains Off Verdugo Crestline Drive, dirt road that is north of the 210 Freeway in the northwest section of the mountains, just east of Sunland exit offramp. You can get on this fire road from the west at Topley Lane and Newhome Ave. off of Foothill Blvd in Sunland. 549 Comment
  POM320648  Fragaria californica M. A. Clauser 1965-4-19 159 Los Angeles Evey Canyon. San Gabriel mtn range, Pacific slope drainage area. 762 Comment
  CAS-BOT-BC53482  Frangula californica subsp. tomentella Peter H. Raven; Henry J. Thompson 1959-10-18 14679 Los Angeles along Mulholland Highway 2.9 miles east of Decker Road 662 Comment
  RSA391389  Frankenia grandifolia F. R. Fosberg 1931-4-3 S 4471 Los Angeles Santa Catalina Island, Pebble [Pebbly] Beach. 2 Comment
  CAS-BOT-BC223750  Frankenia salina F. Almeda; M. Mathias; J. Sauer 1975-5-18 2559 Los Angeles Santa Cruz Island Comment
  CAS-BOT-BC223759  Frankenia salina LeRoy Abrams 1902-6-9 2500 Los Angeles Playa del Rey Comment
  NY43176  Frankenia salina J. B. Walker 1995-6-7 1443 Los Angeles Santa Catalina Island, at Little Harbor 2 Comment
  UCR108455  Fraxinus dipetala L. C. Wheeler 1967-5-18 9620 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  IRVC29652  Fraxinus velutina A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26231 Los Angeles Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property Western San Gabriel Mtns. 351 Comment
  RSA589972  Fraxinus velutina Orlando Mistretta 1994-3-30 944 Los Angeles San Gabriel Mountains. Little Rock Creek . Slopes E of creek below Little Rock Dam. 960 Comment
  CAS-BOT-BC212396  Fremontodendron californicum Timothy S. Ross; Steve Boyd 1990-6-18 3503 Los Angeles 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages, Ball Flat, San Gabriel Mountains 1767 Comment
  POM50749  Fremontodendron californicum A. D. E. Elmer 1902-06 3686 Los Angeles Acton, Mt. Gleason. Comment
  UCR149922  Fremontodendron californicum R. G. Swinney 1999-6-18 7316 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  RSA426871  Fremontodendron californicum J. Aug. Kusche 1922-05 s.n. Los Angeles Mojave Desert Comment
  SEINET10580692  Funastrum hartwegii Charles F. Baker 1903-8-5 Baker 3676 Los Angeles Claremont Comment
  RSA749240  Galium R. G. Swinney 2005-8-11 8461 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  CAS-BOT-BC223024  Galium angustifolium A. C. Sanders; Karen Kirtland 2010-5-14 38355 Los Angeles South Coast: Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  CATA1773  Galium angustifolium subsp. angustifolium Benjamin E. Carter, Amy Catalano, John R. Clark 2012-8-2 6913 Los Angeles Santa Catalina Island: Wild Boar Gully 100 Comment
  POM367680  Galium angustifolium subsp. angustifolium Alva Watry 1931-5-17 s.n. Los Angeles Mint Canyon. Comment
  RSA0051345  Galium angustifolium subsp. angustifolium Valerie Soza 2004-6-17 1721 b Los Angeles San Gabriel Mountains, Mt. Wilson Rd, north of junction with Mt. Lowe Rd. 1569 Comment
  UC1584717  Galium angustifolium subsp. angustifolium Tim Ross and Annette Ross 1991-6-3 5534 Los Angeles summit ridge west Pomona, Elephant Hill Comment
  POM367698  Galium angustifolium subsp. angustifolium M. Bisbee 1917-5-24 s.n. Los Angeles n. hill sides, n. Eagle Rock Comment
  JEPS9470  Galium angustifolium subsp. gabrielense Frank W. Peirson 1919-6-7 7677 Los Angeles Cow Canyon Divide San Gabriel Mts. 1371 Comment
  UC1375352  Galium angustifolium subsp. nudicaule Robert F. Thorne and C. W. Tilforth 1971-6-30 40803 Los Angeles dessicated branch of S Fork of Little Rock Creek 1.8 mi below Alder Saddle; San Gabriel Mts., Angeles National Forest, Pinyon Flats Area 1554 Comment
  RSA631376  Galium aparine Valerie L. Soza, LeRoy Gross 1999-5-10 452 Los Angeles San Gabriel Mountains: Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. 378 Comment
  RSA661022  Galium aparine Orlando Mistretta 1992-4-5 165 Los Angeles Guds, San Clemente Island. Comment
  SBBG128438  Galium catalinense M. L. Hoefs 1995-5-23 2076 Los Angeles lower Middle Ranch Cyn, near rd to Bullrush Cyn 115 Comment
  RSA67116  Galium catalinense subsp. acrispum F. W. Peirson 1923-4-9 3432 Los Angeles San Clemente Island: canyon near Lemon Tank at Middle ranch Comment
  SBBG96667  Galium catalinense subsp. acrispum S. Boyd with T. Ross, L. Arnseth 1990-4-7 4263 Los Angeles lower half of China Cyn Comment
  JEPS7023  Galium grande F. W. Peirson 1919-5-18 448 Los Angeles ridge between Monrovia Canyon and Fish Canyon; San Gabriel Mts. 990 Comment
  CAS-BOT-BC499143  Galium hallii Valerie Soza 2004-6-17 1724 b Los Angeles San Gabriel Mountains. Along Hwy 2, at Vincent Gap trailhead to Mt. Baden-Powell 2026 Comment
  RSA729850  Galium johnstonii R. G. Swinney 1998-9-4 6923 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA454409  Galium nuttallii Bonnie C. Templeton 1939-6-23 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  SBBG38865  Galium nuttallii subsp. insulare R. Moran 1941-3-11 700 Los Angeles N of Middle Ranch 250 Comment
  LA211119  Galium parisiense Arthur C. Gibson; Tarja Sagar 2009-6-30 5261 Los Angeles SANTA MONICA MOUNTAINS, Along service road, SMMNRA Peter Strauss. Comment
  RSA545325  Galvezia speciosa Tim S. Ross 1992-4-14 6162 Los Angeles San Clemente Island, central E side of island; lower end of Nanny Canyon near its 'mouth' 168 Comment
  SDSU10622  Galvezia speciosa R. M. Beauchamp 1967-3-19 312 Los Angeles Behind (south of) Wilson Cove Pier. San Clemente Island. Comment
  CATA3466  Gambelia speciosa Tobias Nickel, Ben Dion, Julia Parish, Jamie Choi, Stuart Olshevski 2017-6-28 008 Los Angeles Santa Catalina Island: Channel Side; Roadside along Empire Landing Rd on edge of Little Springs and Empire Quarry watersheds 291 Comment
  SBBG98430  Gambelia speciosa T. Ross 1991-5-23 5481 Los Angeles lower Tota Cyn, E escarpment 36 Comment
  UCR149808  Gamochaeta pensylvanica Scott D. White 2004-4-23 10230 Los Angeles Los Angeles Basin, City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  CATA1717  Gamochaeta ustulata Mark L. Hoefs, Steven A. Junak, Melissa Askew 1999-7-15 3058 Los Angeles Santa Catalina Island: Lower Bulrush Canyon 262 Comment
  POM3293  Garrya veatchii C. F. Baker 1903-8-2 s.n. Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  CAS-BOT-BC282620  Gastridium phleoides L. R. Abrams; I. L. Wiggins 1931-7-6 389 Los Angeles Vicinity of Mosquito Harbor Comment
  RSA773975  Gayophytum R. G. Swinney 2009-7-29 11420 Los Angeles Pacifico Mountain summit. 2134 Comment
  RSA0105745  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-7-7 15432 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA0105967  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-7-8 15480 Los Angeles San Gabriel Mountains: Strawberry Potrero, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property. 1427 Comment
  RSA597038  Gayophytum diffusum subsp. parviflorum Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3838 Los Angeles San Gabriel Mountains: low saddle between Crystal Lake and the depression to its SSW. 1704 Comment
  CDA4131  Genista T. C. Fuller 1962-4-1 8156 Los Angeles Verdugo Mountains region; Naturalized on slope of Barranca N.E. of Foothill Blvd. & Hillard Ave. La Canada 0 Comment
  SBBG112826  Genista linifolia S. A. Junak with K. Kirkland 1998-7-17 SCa 785 Los Angeles lower portion of Silver Cyn, just downstream from lowest fork, ca. 0.3 mi inland from beach 24 Comment
  UC17118  Geranium carolinianum J. H. Barber 1897-6-2 161 Los Angeles Santa Monica Experimental Station Comment
  SBBG121864  Gilia achilleifolia subsp. achilleifolia A. Parikh, N. Gale 2005-6-15 779 Los Angeles Portal Ridge, 1.1 km N of intersection of N2/Johnson Rd, 1.6 km E of intersection of N2/Munz Ranch Rd 1085 Comment
  POM346584  Gilia angelensis Barry Burnell 1971-3-19 289 Los Angeles Claremont, the Pomona College Wash, south east corner. 335 Comment
  RSA72290  Gilia angelensis F. W. Peirson 1918-6-16 469 Los Angeles Mint Canyon, Sierra Pelona Valley, northwest corner of San Gabriel Mts. 762 Comment
  UC880105  Gilia angelensis Alice Eastwood May 27 1906-Jun 10 1906 43 Los Angeles Garvanza country adjacent to Los Angeles, Garvanza Comment
  UCR215972  Gilia angelensis R. G. Swinney 2005-4-30 8228 Los Angeles San Gabriel Mountains, Glendora, 'Morgan Canyon Plateau' adjacent to and east of Morgan Canyon 418 Comment
  UC909017  Gilia angelensis Annetta Carter 1946-4-23 1760 Los Angeles Mount Wilson Trail , Mount Wilson Trail (Sierra Madre) 365 Comment
  UCR177497  Gilia brecciarum subsp. neglecta LeRoy Gross 2005-5-19 2277 Los Angeles Tehachapi Mountains, SE base of the mountains, just above the the W side of Cottonwood Creek 1174 Comment
  POM320628  Gilia californica var. glandulosa Greg Wright 1971-6-20 173 Los Angeles Mt. Baldy Rd. Just below intersection with Shinn Rd. W of San Antonio Dam. Evey Canyon. Pacific Ocean drainage area. 707 Comment
  RSA0089249  Gilia cana Mitch Provance 2008-4-14 10139 Los Angeles Western Transverse Range: Liebre Mountains: southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road. 1160 Comment
  RSA648043  Gilia capitata subsp. abrotanifolia Orlando Mistretta 1992-7-13 680 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  UC1123667  Gilia capitata subsp. staminea A. D. Gifford 1935-4-15 584 Los Angeles 1 mi ne Quail; Tejon Quad., ne of Quail Comment
  RSA470074  Gilia latiflora subsp. davyi L. C. Wheeler 1932-4-9 566 Los Angeles 4 mi. WSW Fairmont, Antelope Valley. 915 Comment
  HSC79104  Gilia latiflora subsp. latiflora Mike Ikeda 1968-4-27 26 Los Angeles 10 mi. E of Pearblossom along Hwy. 138 at S Mojave Desert 945 Comment
  UCR189386  Gilia leptantha subsp. transversa R. G. Swinney 1998-6-12 6183 Los Angeles San Gabriel Mountains, SW of Pinon Hills, 0.3 mi. south of mouth of Mescal Canyon and reservoir 1500 Comment
Read comments
May 3 2012
  UCR270129  Gilia leptantha subsp. transversa R. G. Swinney 2010-5-19 12781 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  RSA729729  Gilia modocensis R. G. Swinney 1999-5-22 7208 Los Angeles San Gabriel Mtns./Mojave Desert: Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
  UCR238626  Gilia modocensis Anuja Parikh, Nathan Gale 2010-5-12 3159 Los Angeles Western Mojave Desert, Antelope Valley, 3.9 km south of Hwy 138, 0.2 km west of 120th St. West, under power transmission lines 783 Comment
  CAS-BOT-BC225495  Gilia nevinii L. R. Abrams; I. L. Wiggins 1931-7-6 372 Los Angeles Vicinity of Mosquito Harbor, San Clemente Is. Comment
  POM158307  Gilia nevinii M. B. Dunkle 1928-4-29 1901 Los Angeles Little Harbor, Santa Catalina Island. 9 Comment
  RSA549899  Gilia nevinii Peter L. Morrell, Orlando Mistretta, L. Arsneth 1992-4-4 127 Los Angeles San Clemente Island, appros. 1.5 km S of Wilson Cove. 200 Comment
  RSA660874  Gilia nevinii Orlando Mistretta 1992-4-4 137 Los Angeles San Clemente Island. Comment
  UC1587749  Gilia nevinii Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5275 Los Angeles westerly fork Near-Death Canyon San Clemente Island, westerly fork Near-Death Canyon (draining to Mosquito Cove (drainage beginning 800 ft n of Rest [1336'] marker, 1800 ft se of Malo Knoll [1396'] San Clemente Is) 304 Comment
  RSA0012413  Gilia ochroleuca subsp. bizonata Orlando Mistretta, Christine Mistretta 2011-6-15 5694 -a Los Angeles Northern edge of San Gabriel Mountains, 0.6 air miles N of Aliso Cyn Rd,. 1078 Comment
  UCR147666  Gilia ochroleuca subsp. bizonata LeRoy Gross, Paul Morton 2004-6-9 1339 Los Angeles Transverse Ranges; Liebre Mountains region, West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road. Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1688 Comment
  RSA0017217  Gilia ochroleuca subsp. bizonata Orlando Mistretta 1995-4-21 1639 Los Angeles San Gabriel Mountains: Little Rock Creek. Un-Named canyon draining the west slopes of Little Rock Creek Canyon 0.5 mi. N of Little Canyon. 1250 Comment
  RSA0017222  Gilia ochroleuca subsp. bizonata Robert Gustafson 1978-6-1 951 Los Angeles Ca. 0.5 mile east off main dirt road running through Hungry Valley, summit of hills overlooking upper Freeman Canyon, ca. 1 mile S of Gorman. 1311 Comment
  JEPS4112  Gilia ochroleuca subsp. vivida Frank W. Peirson 1918-6-30 155 Los Angeles summit Mt. Wilson San Gabriel Mts., Mt. Wilson Comment
  RSA0017178  Gilia ochroleuca subsp. vivida F. W. Peirson 1928-6-2 7934 Los Angeles S fork of Rock Creek: trail toward the summit. 1982 Comment
  UCR205909  Gilia splendens R. G. Swinney 2008-5-5 8779 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  RSA600069  Gilia splendens subsp. splendens Steve Boyd, Lauren Raz 1997-5-20 9824 Los Angeles Liebre Mountains region: Southeastern flank of Liebre Mountain, along ridge dividing Fish Canyon and Bear Canyon drainages, northeast of Atmore meadows, along rough dirt track following old fuelbreak. 1676 Comment
  SEINET10631165  Glycine max Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2608 Los Angeles City of San Gabriel. Mitsuwa-Yaohan Market, 515 W. Las Tunas. Comment
  UCR23905  Glycyrrhiza lepidota John C. Roos 1942-6-6 1064 Los Angeles Western Transverse Range, Placerita Canyon near Newhall 610 Comment
  RSA151112  Glyptopleura setulosa Peter H. Raven 1962-4-6 17103 Los Angeles 0.5 miles north of Pearblossom 854 Comment
  IRVC28729  Gnaphalium californicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25504 Los Angeles canyon draining into Santa Clara River Valley from the south off "Round Mtn." (peak 1476), north of Potrero Canyon NE end of Santa Susana Mtns. 305 Comment
  RSA526526  Gnaphalium californicum Steve Boyd 1990-4-7 4265 a Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA610209  Gnaphalium canescens subsp. microcephalum L. C. Wheeler 1970-9-3 s.n. Los Angeles San Gabriel Mountains: Henninger Flats. 793 Comment
  HSC101360  Gnaphalium palustre R. G. Swinney 2008-7-24 9354 Los Angeles San Gabriel Mtns.: Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  RSA789059  Gnaphalium palustre Jane Tirrell, Graham Bothwell 2012-7-11 LS 0111 Los Angeles South side California State Route 2 near mile marker 67.7 2309 Comment
  RSA678201  Gnaphalium stramineum Valerie L. Soza, LeRoy Gross 2001-4-24 1177 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.6 mile WNW of the Santa Anita Dam. 884 Comment
  UCR146478  Gnaphalium stramineum Scott D. White, Michael Honer 2004-6-24 10491 B Los Angeles Pomona Valley/ San Gabriel Mtn. Foothills, City of Claremont; San Antonio Canyon alluvial fan, N of Baseline Ave. and west of concrete-lined flood control channel 518 Comment
  RSA487210  Goodmania luteola James L. Reveal 1988-5-17 6799 Los Angeles Antelope Valley, along G street at 40th street, in a field northwest of this junction and the bike path of Apollo Park, about 5 air miles northwest of Lancaster 732 Comment
  UC1928591  Grayia spinosa Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 05050 72 Los Angeles Transverse Ranges; San Gabriel Mountains region; Bob's Gap. At the South edge of Bob's Gap, 1444 Comment
  RSA608700  Grindelia camporum var. bracteosa L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Bluebird Truck Trail, near Big Dalton Canyon. 731 Comment
  CAS-BOT-BC305265  Grindelia hirsutula Le Roy Abrams 1898-7-1 s.n. Los Angeles Inglewood Comment
  UC284754  Guillenia lasiophylla P. A. Munz 1923-4-10 6730 Los Angeles canyon s Lemon Tank (e coast San Clemente Island); San Clemente Island Comment
  RSA588066  Guillenia lasiophylla Orlando Mistretta 1994-4-15 1054 Los Angeles Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1159 Comment
  UC126823  Gutierrezia sarothrae J. and H. W. Grinnell 1906-9-6 378 Los Angeles bank of Arroyo Seco (near Pasadena) Comment
  CAS-BOT-BC231094  Harpagonella palmeri Tim Ross; Janet Takara 1993-4-23 6939 Los Angeles Santa Catalina Island: upper E side of Cottonwood Canyon drainage, 900 m WNW of Black Jack Mountain summit 493 Comment
  SD249143  Hazardia cana Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2199 Los Angeles San Clemente Island, Horse Beach Canyon, ca. 2.5 miles north of China Point. 182 Comment
  LA200223  Hazardia squarrosa var. grindelioides Harlan Lewis; 1940-2-24 1088 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  POM4759  Hazardia squarrosa var. grindelioides C. F. Baker 1903-10-10 3732 Los Angeles San Antonio Cayon [canyon] near Claremont. Comment
  CAS-BOT-BC306643  Helenium bigelovii I. M. Johnston 1917-7-28 1525 Los Angeles San Antonio Mountains. N. Fk San Antonio Canon [Canyon] (Gold Ridge Mine) 2438 Comment
  POM359737  Helenium bigelovii F. R. Fosberg, J. Ewan 1931-8-12 S 5526 Los Angeles Little Jimmy Spring, Windy Camp, north slope Mt. Islip, San Gabriel Mountains. 2300 Comment
  POM359757  Helenium puberulum L. E. Hoffman 1932-8-14 17095 Los Angeles Crystal Lake Angeles National Forest. Comment
  RSA93873  Helenium puberulum F. W. Peirson 1923-10-21 4228 Los Angeles Sunset Canyon, Verdugo Mountains 457 Comment
  RSA0085282  Helianthemum scoparium R. G. Swinney 2010-4-30 12467 Los Angeles near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway 549 Comment
  UCR255793  Helianthemum scoparium R. G. Swinney 2010-3-10 11820 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  CAS-BOT-BC305685  Helianthus gracilentus Peter H. Raven; Henry J. Thompson 1959-10-18 14683 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Along Decker Road 1.8 miles south of Mulholland 487 Comment
  RSA598263  Helianthus gracilentus R. G. Swinney 1989-5-31 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road, at Big Dalton Dam. 518 Comment
  RSA0012949  Helianthus nuttallii subsp. parishii Louis Greata 1901-09 s.n. Los Angeles Oak Knoll Comment
  UCR95335  Heliotropium curassavicum var. oculatum L. C. Wheeler 1946-8-28 6289 Los Angeles San Gabriel Mtns, Caldwell Lake 1570 Comment
  CATA1346  Helminthotheca echioides Mark L. Hoefs, Robert F. Thorne 1995-7-26 2451 Los Angeles Santa Catalina Island: Middle Canyon, on bank, next to stream bed just below reservoir 170 Comment
  RSA155852  Hemizonia clementina Peter H. Raven 1962-5-22 17836 Los Angeles Santa Catalina Island at the Isthmus. Comment
  RSA177891  Hemizonia clementina R. F. Thorne 1965-5-11 34588 Los Angeles Santa Catalina Island. N side of N cove of Little Harbor 5 Comment
  POM360255  Hemizonia fasciculata F. R. Fosberg 1931-5-21 4930 Los Angeles Parsons landing, Santa Catalina Island, 20 Comment
  POM360276  Hemizonia fasciculata B. C. Templeton 1939-6-23 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  RSA157800  Hemizonia fasciculata Peter H. Raven 1962-5-9 17689 Los Angeles Road above Pyramid Cove, San Clemente Island 122 Comment
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Dec 15 2010
  UCR101216  Hemizonia kelloggii Steve Boyd, L. Raz 1997-6-18 9990 Los Angeles San Gabriel Mtns., Liebre Mountains, along Elizabeth Lake Road in Leona Valley, south of Portal Ridge, 5.1 rd. mi west of intersection with 90th St. W. 1055 Comment
  UCR99407  Hemizonia parryi subsp. australis D. E. Bramlet 1996-10-22 2480 Los Angeles South Coast 7.5' Q., Texaco Bryant Lease Oil Field, c. 91.6 m SE of the intersection of Studebaker Rd. and Westminister Ave., 412 m west of San Gabriel river 3 Comment
  CAS-BOT-BC403835  Hesperocnide tenella G. B. Grant 1900-3-17 2296 Los Angeles Pasadena Comment
  RSA0103924  Hesperoyucca whipplei R. G. Swinney 2011-7-8 15481 Los Angeles San Gabriel Mountains: 'Strawberry Potrero'?, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  OBI8168  Heteromeles arbutifolia Lewis Meltz 1977-4-9 LM 28 Los Angeles 1.5 km E of Eaton Cyn Bridge 457 Comment
  RSA0072432  Heteromeles arbutifolia Steve D. Boyd 1997-9-17 10038 -B Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  RSA0101270  Heteromeles arbutifolia R. G. Swinney 2011-3-18 14150 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UC860400  Heteromeles arbutifolia Carl B. Wolf 1932-10-6 Los Angeles w side Avalon; Santa Catalina Island 91 Comment
  SBBG12554  Heterotheca grandiflora P. H. Raven 1962-4-11 17285 Los Angeles N of a point W of Wall 2 30 Comment
  UCR68903  Heterotheca grandiflora Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4285 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA0074403  Heterotheca grandiflora Timothy S. Ross, Annette Ross 1991-3-7 4139 Los Angeles Elephant Hill: Western Pomona. 244 Comment
  RSA0066367  Heuchera abramsii I. M. Johnston 1917-8-22 1690 Los Angeles San Antonio Mountains. North slope of Baldy. 2744 Comment
  JEPS86614  Heuchera caespitosa L. R. Heckard, J. C. Hickman, M. Wolf and S. D'Alcamo 1989-5-21 6729 Los Angeles 1.6 mi w of Mt. Baldy Rd (Glendora Ridge Rd, n facing road bank); San Gabriel Mountains 1371 Comment
  UC1929799  Heuchera caespitosa Mark Elvin, Orlando Mistretta 1995-9-15 100 Los Angeles Transverse Ranges; San Gabriel Mountains region: Glendora Saddle up trail to Lookout Mountain. Comment
  RSA0063270  Heuchera elegans F. W. Peirson 1922-5-30 67 Los Angeles West spur of Mt Lowe, San Gabriel Mountains. 1341 Comment
  POM6251  Hieracium argutum I. M. Johnston 1918-8-25 2129 Los Angeles Evey Canyon 915 Comment
  SFV21098  Hirschfeldia incana L. Gross, W. Law 2000-8-8 251 Los Angeles San Fernando Valley Big Tujunga Wash east of Hansen Dam. East of Orcas Park along river (just north of Wentworth Street but not as far as Tujunga ponds. 325 Comment
  UCD115108  Hirschfeldia incana Dolores Hainey; Alex Rudinger 1996-5-9 9 Los Angeles Walker Ranch, 1 mile from gate on the Canyon trail. Comment
  CAS-BOT-BC149957  Holodiscus discolor var. discolor Joseph Andorfer Ewan 1933-7-4 7876 Los Angeles Spanish Canyon above Monrovia, San Gabriel Mts. 609 Comment
  RSA700515  Holodiscus microphyllus Gary D. Wallace 1985-7-5 2238 Los Angeles San Gabriel Mountains: Mt. Islip. Angeles National Forest. 2515 Comment
  UC1586241  Hordeum depressum Tim Ross 1991-8-16 5826 Los Angeles Horse Flats Chilao Flat Quad., San Gabriel Mountains, Horse Flats 1719 Comment
  SD90267  Hordeum intercedens Robert F. Thorne 1973-4-12 42951 Los Angeles San Clemente Island; Pyramid Cove at south end of island. 3 Comment
  UCR90017  Hordeum murinum Karen Kirtland 1993-4-10 s.n. Los Angeles Western Mojave Desert, Lancaster, east of 10th Street E between Avenue 'F' and 'G 709 Comment
  RSA127854  Hordeum murinum subsp. glaucum P. H. Raven 1959-4-4 13973 Los Angeles Point Dume, near houses behind point. 21 Comment
  SBBG131730  Hordeum murinum subsp. glaucum S. A. Junak 1999-5-8 SCa 908 Los Angeles W side of Fern Cyn, in Cottonwood Cyn drainage, along abandoned rd, W-facing hillside 121 Comment
  UCR271668  Hordeum murinum subsp. glaucum R. G. Swinney 2011-3-26 14219 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  RSA609606  Hordeum murinum subsp. leporinum L. C. Wheeler 1974-4-14 s.n. Los Angeles Wildwood Ranch, Shuler Canyon. 411 Comment
  RSA652394  Hordeum murinum subsp. leporinum Gerald F. Bliss 1948-5-11 s.n. Los Angeles Found on Cypress Avenue about 4 miles east of Covina 243 Comment
  CAS-BOT-BC172783  Hordeum vulgare Timothy S. Ross; Steve Boyd 1994-5-4 7633 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit 1075 Comment
  LA202284  Hordeum vulgare var. trifurcatum Arthur C. Gibson; 2005-5-21 5031 Los Angeles Comment
  RSA612831  Horkelia cuneata Louis C. Wheeler 1933-5-16 1737 Los Angeles Mouth of Sepulveda Canyon 122 Comment
  RSA0081371  Hulsea heterochroma R. G. Swinney 2010-9-9 13788 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR271231  Hulsea vestita subsp. gabrielensis R. G. Swinney 2011-6-14 15116 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR271841  Hypericum scouleri R. G. Swinney 2011-6-23 15279 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  RSA647868  Hypochaeris glabra LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 242 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 727 Comment
  SEINET695828  Ibicella lutea Robert F. Thorne 1968-10-31 37869 Los Angeles Spontaneous sprawling annual weed at Rancho Santa Ana Botanic Garden 366 Comment
  OBI4724  Ipomoea indica T. C. Fuller 1966-9-27 15213 Los Angeles W bank of Topanga Crk just N of Pacific coast hwy 101, Topanga Beach Comment
  SD107890  Isocoma menziesii var. menziesii Robert F. Thorne, D. Propst and M. Haefs 1974-9-12 45112 Los Angeles Santa Catalina Island, near Buffalo Springs Reservoir 424 Comment
  POM361282  Isocoma menziesii var. sedoides B. C. Templeton 1955-9-4 7706 Los Angeles Near Malibu. Comment
  UC1126551  Isomeris arborea A. D. Gifford 1935-2-10 428 Los Angeles 5.5 mi wsw Redrock Mtn.; Angeles National Forest, Tejon Quad. 701 Comment
  HSC65714  Iva axillaris C. W. Tilforth, S. Nilsson 1972-7-20 42188 Los Angeles Caldwell Lake near Valyermo (sag pond on the San Andreas fault 1570 Comment
  RSA651864  Jasminum primulinum Tom Kawakami 1948-2-18 s.n. Los Angeles 601 Walnut, Monrovia. Comment
  UC481002  Jaumea carnosa C. F. Millspaugh 1920-1-21 4613 Los Angeles Ballast Point Santa Catalina Island, Catalina Harbour Comment
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Apr 21 2012
  RSA650894  Juglans californica A. E. Hersh 1950-7-15 s.n. Los Angeles about 3 miles from west end of Topanga Canyon. El. 152 Comment
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Dec 27 2011
  UCR62284  Juglans californica S. J. Myers 1990-4-3 s.n. Los Angeles Powder Canyon, in the City of La Habra Heights 245 Comment
  UCR91397  Juglans californica Scott D. White 1995-3-15 2548 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  POM280163  Juglans californica var. californica Lyman Benson 1933-4-2 4300 Los Angeles US 99 Saugus Rd Junction. 152 Comment
  SD112815  Juglans californica var. californica Darley F. Howe 1947-3-22 1518 Los Angeles Topango Canyon, 2.0 mile from coast. Comment
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May 22 2014
  UC1135933  Juglans californica var. californica A. D. Gifford 1934-4-23 152 Los Angeles 1 mi ne Cornell; Triunfo Pass Quadrangle Comment
  RSA755956  Juncus Dan S. Cooper 2007-5-4 2 Los Angeles Griffith Park. c. 300 m south of Travel Town in small side canyon. Comment
  CHSC35490  Juncus acutus subsp. leopoldii James Henrickson 1974-2-24 13809 Los Angeles Santa Catalina Island, at the lower part of Cottonwood Canyon where road crosses canyon mouth. In canyon bottom. 12 Comment
  UC1349332  Juncus acutus subsp. leopoldii Robert F. Thorne and P. Everett 1965-6-24 35037 Los Angeles just below dam in lower Cottonwood Canyon; Santa Catalina Island, Cottonwood Canyon 38 Comment
  IRVC28576  Juncus balticus A. C. Sanders, Mark Elvin 2002-6-19 25152 Los Angeles Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River NE end of Santa Susana Mtns. 305 Comment
  UCR270066  Juncus balticus R. G. Swinney 2010-5-12 12721 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
  RSA594997  Juncus bufonius Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-12 2361 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon 6 Comment
  RSA774835  Juncus bufonius var. bufonius Orlando Mistretta, Christine Mistretta 2010-6-8 5281 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
  RSA0117700  Juncus bufonius var. congestus A. C. Sanders 2006-5-16 32332 Los Angeles Tehachapi Mtns. Foothills: Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake. 991 Comment
  CATA869  Juncus mexicanus Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1678 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  UCR277384  Juncus mexicanus R. G. Swinney 2010-6-1 13175 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  UC1595240  Juncus rugulosus Tim Ross, Peter Fritsch 1990-6-20 3593 Los Angeles near the confluence of the East and West Forks of the San Gabriel River (mouth of Burro Canyon, San Gabriel Mountains); San Gabriel Mountains, Burro Canyon 445 Comment
  UC142404  Juncus textilis Ernest Braunton Sep 1902 666 Los Angeles Los Angeles River Comment
  UC213647  Juncus textilis I. Johnston 1916-11-26 24 Los Angeles n of Claremont; Evey Canyon 1127 Comment
  RSA716870  Juncus torreyi Scott D. White, Andrea Warniment 2006-7-18 11633 Los Angeles Gorman area, riparian zone along Gorman Creek, NE of the I-5 Freeway. 1006 Comment
  POM6451  Juncus xiphioides L. T. Street, G. Williams 1919-5-10 2710 Los Angeles San Gabriel River near Bassett. 90 Comment
  RSA675026  Juncus xiphioides Scott D. White, Kent Hughes 2000-5-17 7867 Los Angeles San Gabriel Mts./Soledad Cyn.: Canyon bottom and adjacent steep N-facing slope. 579 Comment
  UCR201829  Juncus xiphioides Scott D. White, Justin M. Wood 2008-10-7 12555 Los Angeles San Gabriel Mountains, west fork of the San Gabriel River, between Bear Creek and Rincon Red Box Road 220 Comment
  CAS-BOT-BC81001  Juniperus californica L. R. Abrams 1941-4-18 13871 Los Angeles State Highway 138, western end of Antelope Valley Comment
  SEINET3237950 Image available Juniperus occidentalis subsp. australis R. G. Swinney 1999-8-9 7601 Los Angeles San Gabriel Mtns.; eastern end of Big Horn Ridge, SW of Mt. San Antonio. 2793 Comment
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Apr 8 2021
  RSA569842  Keckiella breviflora var. breviflora Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4877 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  POM44893  Keckiella cordifolia Marcus E. Jones 1902-6-28 255 Los Angeles Avalon, Santa Catalina Island. Comment
  RSA305369  Keckiella cordifolia D. C. Michener 1983-6-7 4299 Los Angeles Santa Catalina Island, Cherry Valley 61 Comment
  RSA347544  Keckiella cordifolia Barry A. Prigge 1985-6-14 6393 -a Los Angeles Santa Monica Mountains, Cold Creek Canyon; near upper gate to Cold Creek Preserve on Stunt Rd. 662 Comment
  RSA724656  Keckiella cordifolia K. Dobry 1991-6-24 d- 739 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  RSA584770  Keckiella ternata subsp. ternata Tim S. Ross 1992-7-17 6728 Los Angeles San Gabriel Mtns: Summit of Condor Peak. 1645 Comment
  CAS-BOT-BC246117  Keckiella ternata var. ternata W. R. Dudley 1900-7-9 s.n. Los Angeles Near summit of Mt. Lowe, San Gabriel Mountains Comment
  RSA596099  Kickxia elatine Mark Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2438 Los Angeles Santa Catalina Island, Echo Lake. 396 Comment
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Jul 14 2009
  UCR69884  Kochia scoparia Steve B. Orloff 1991-9-10 s.n. Los Angeles Palmdale, intersection of Palm Vista Road and Ave R Comment
  RSA5981  Lactuca serriola C. B. Wolf 1932-9-13 4054 Los Angeles Bryant Ranch, 250 ft. S of N boundary & 100 ft. E of drainage ditch in SE 1/4 sect. 27 about 560 ft. east and 250 ft. S of NW corner of SE 1/4 sect. 27. 5 Comment
  POM204584  Lamarckia aurea Le Roy Abrams 1903-4-9 3244 Los Angeles Inglewood Comment
  POM352639  Lamarckia aurea M. B. Dunkle 1928-2-12 1702 Los Angeles Salte Verde, Santa Catalina Island. 213 Comment
  SBBG20519  Lamarckia aurea E. R. Blakley 1963-12-7 6358 Los Angeles old Rd on beach bluff, E end of Pyramid Cove 7 Comment
  UCR68937  Lamarckia aurea Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4246 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA0060474  Lantana montevidensis R. G. Swinney 2010-8-16 13539 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  UCSB9885  Larrea tridentata Albright, S. 1957-4-21 Los Angeles 6 mi North of Lancaster on US #6 701 Comment
  RSA597775  Lasthenia californica Steve Boyd, Lauren Raz 1997-3-14 9177 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
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Mar 13 2008
  SFV3753  Lasthenia californica P. G. Kilburn 1958-3-29 674 Los Angeles Santa Susana Mountains Standard Oil property adjoining Phil Gentile Ranch. 457 Comment
  CAS-BOT-BC338134  Lasthenia californica Marjorie Shaw; Edna Spaulding; Mrs. C. L. Walton 1917-4-6 s.n. Los Angeles Mojave Desert. Antelope Valley Comment
  POM361537  Lasthenia californica Ralph Hoffman 1930-4-13 s.n. Los Angeles Prisoner's Harbor, Santa Cruz Island. Comment
  SBBG42218  Lasthenia gracilis M. B. Dunkle 1939-4-4 7261 Los Angeles Chenetti Cyn Comment
  UC2061408  Lasthenia gracilis Rachael L. Olliff Yang with Ellery Mayence, Ana Penny, Lynn Yamashita, Bridget Wessa 2017-4-17 7 Los Angeles Tejon Ranch. Lower Big Sycamore Canyon. Comment
  UCR187273  Lasthenia gracilis A. C. Sanders 2006-4-18 32101 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  RSA527629  Lasthenia gracilis Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4384 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  CAS-BOT-BC204906  Lathyrus David Dreyer 1968-3-23 s.n. Los Angeles San Gabriel River canyon above Morris Dam, small side canyon to the west Comment
  RSA405669  Lathyrus vestitus subsp. laetiflorus Richard C. Barkelew 1929-4-7 15826 Los Angeles Cahuenga Pass Comment
  CAS-BOT-BC183627  Lathyrus vestitus subsp. laevicarpus Timothy S. Ross; Steve Boyd 1994-5-4 7658 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley 1389 Comment
  RSA598867  Lathyrus vestitus subsp. laevicarpus Steve Boyd, T. S. Ross 1997-3-21 9244 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1195 Comment
  POM8270  Lathyrus vestitus subsp. laevicarpus P. A. Munz, R. D. Harwood 1921-5-17 3978 Los Angeles Topango Canyon, Santa Monica Mountains 152 Comment
  OBI35682  Lathyrus vestitus var. alefeldii Rebecca Cicoria 1982-4-25 39 Los Angeles Palos Verdes Peninsula: Purple Cyn, Rolling Hills Comment
  SD64105  Lathyrus vestitus var. vestitus W. Bertsch 1954-4-19 479 Los Angeles Little Dalton Canyon 366 Comment
  RSA649606  Lathyrus vestitus var. vestitus Lori Ackerman, Gerald Braden 1988-4-22 7 Los Angeles North end of West Fork River, San Gabriel Mountains. Comment
  SD113701  Lathyrus vestitus var. vestitus Darley F. Howe Apr 1915 61 Los Angeles Claremont Comment
  RSA579325  Layia glandulosa Timothy S. Ross 1994-5-31 7973 Los Angeles Pacifico Mountain, somewhat flat granitic ridgetop ca 860 m WNW of the 7124-ft summit. 2073 Comment
  UCR256627  Layia glandulosa Mitch Provance 2010-5-4 0510- 40 Los Angeles Tehachapi Mtns., ridgeline overlooking Hwy I-5 about 0.4 miles NE of Gorman 1430 Comment
  RSA0051669  Layia glandulosa Louis C. Wheeler 1932-4-9 567 Los Angeles 4 mi. W. Fairmont, Mohave Desert. 914 Comment
  CAS-BOT-BC380212  Layia platyglossa Louis C. Wheeler 1936-4-12 4088 Los Angeles Hills S Monterey Park, south side 121 Comment
  JEPS30623  Layia platyglossa Peter H. Raven 1959-4-4 13972 Los Angeles Point Dume; Santa Monica Mountains 15 Comment
  UCR270768  Layia platyglossa Mike Misenhelter 2016-4-15 s.n. Los Angeles Diamond Bar Creek, City of Industry, Grand Ave. north side of Hwy 57/60 freeway 215 Comment
  SD134447  Lemmonia californica Craig Reiser 1990-5-16 Los Angeles Mountain NW of Palmdale, upper ridge of Ritter Ridge Comment
  UCR124943  Lemna minor B. C. Templeton, I. W. Clokey 1930-2-18 1485 Los Angeles SE area of Rancho La Brea, Curson at Wilshire Blvd., Los Angeles 53 Comment
  JEPS63248  Lepechinia fragrans Frank W. Peirson 1918-6-30 177 Los Angeles San Gabriel Mountains, Mount Wilson, Toll Road Mount Wilson; San Gabriel Mountains, , Toll Road 1066 Comment
  RSA659917  Lepechinia rossii Orlando Mistretta 1991-9-25 s.n. Los Angeles Red Mountain. Comment
  RSA429961  Lepidium dictyotum Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  CHSC95547  Lepidium fremontii LeRoy Gross 2005-5-19 2301 Los Angeles Mojave Desert; West Mojave Desert region: South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway. Started at Ave A, Near 34.820450N 118.16535W then walked south to 34.81703, 118.16403W. 722 Comment
  SD262246  Lepidium fremontii R. G. Swinney 2014-4-17 16076 Los Angeles San Gabriel Mountains: SW of Littlerock, 0.5 - 0.8 mi. east of Cheseboro Rd., 100 - 200 m soouth of CA Aqueduct, 0.66 mile due S of Hwy. 138 / Pearblossom Hwy. 901 Comment
  CAS-BOT-BC89430  Lepidium fremontii Raymond Lindholm 1961-3-25 s.n. Los Angeles Little Rock. Near Palmdale. Comment
  SBBG131891  Lepidium lasiocarpum S. A. Junak, D. Wilken 1996-3-27 SCI 258 Los Angeles just N of Eel Cove Cyn, with high midden 27 Comment
  RSA526546  Lepidium nitidum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4233 a Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UC311259  Lepidium nitidum Philip A. Munz 1926-4-4 9992 Los Angeles 5 mi n Elizabeth Lake Comment
  UCR274958  Lepidium nitidum var. nitidum Michael Honer, Rachel Woodard 2006-4-12 2186 Los Angeles Tehachapi Mountains area., Hills above Oso Cyn., c. 2.5 miles [NNW] of Quail Lake, 2 miles west of cement plant rd. 1143 Comment
  SD215442  Lepidium nitidum var. nitidum Louis C. Wheeler 1969-4-1 Los Angeles 0.4 mile southwest Big Cienega on ridge on south side Big Dalton Canyon near mouth. 640 Comment
  SD230190  Lepidium pinnatifidum Louis C. Wheeler 1973-6-12 Los Angeles California State University, Long Beach. Comment
  SBBG70834  Lepidium virginicum R. Hoffmann 1928-7-7 Los Angeles Soledad Cyn Comment
  UCR266386  Lepidium virginicum D. E. Bramlet, Allison D. Rudalevige 2009-4-27 4363 Los Angeles Transverse Range; San Gabriel Mtns., Big Tujunga Wash, along Oro Vista Ave. west of Big Tujunga Canyon Rd. 397 Comment
  RSA429661  Lepidium virginicum var. pubescens F. R. Fosberg 1930-7-3 3088 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  CAS-BOT-BC328067  Lepidospartum squamatum Ernest C. Twisselmann 1955-8-10 2318 Los Angeles San Emigdio Range. Castaic Valley, 0.3 mi E of Kern County Line 1226 Comment
  POM310452  Lepidospartum squamatum Margaret Hardinge 1945-11-26 66 Los Angeles Claremont- in San Antonio Wash. 335 Comment
  RSA754147  Lepidospartum squamatum Ellen Mackey, Blake Whittiington 2006-10-26 NFWF- 1839 Los Angeles San Gabriel River near Rincon Ranger Station 450 Comment
  UC133437  Lepidospartum squamatum C. F. Baker 1903-9-20 3466 Los Angeles near Claremont; San Antonio Canyon Comment
  UCR217819  Lepidospartum squamatum Dan S. Cooper 2010-8-26 810- 97 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, south side of Zoo Dive, just west of Travel Town 168 Comment
  UCR11987  Leptochloa filiformis Anonymous 1966-1 s.n. Los Angeles Los Angeles, 615 S Bundy Road Comment
  CHSC109702  Leptochloa fusca subsp. uninervia Julie A. Greene 1997-9-12 Los Angeles Long Beach Area: Intersection of Pacific Coast Highway/Studebaker Road, near Long Beach Marina. 5 Comment
  SFV22019  Leptodactylon californicum V. Soza, L. Gross, A. Munoz 2000-5-12 894 Los Angeles Verdugo Mountains Northwestern end of Verdugo Mountains. Crestline Drive from New Home Avenue in Sunland. West-northwest-facing slope along fire road to water tank. 457 Comment
  UCR89977  Leptodactylon californicum Scott D. White, Chet McGaugh 1995-5-6 3226 Los Angeles Santa Susana Mountains, E edge of the mountains, just west of San Gabriel Mountains. 'Sunshine Canyon' (name not shown on topo): west of San Fernando Rd. and I-15 Hwy, just SW of interchange with SR 14 Fwy. Sunshine Canyon Landfill property; site proposed for landfill expansion 488 Comment
  SBBG14238  Leptosiphon bicolor M. A. Piehl 1962-6-9 62317 Los Angeles head of cyn below Chenity and S of Mosquito Cove 304 Comment
  RSA0094390  Leptosiphon breviculus Richard G. Swinney 2011-6-20 15320 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail. 1567 Comment
  RSA597155  Leptosiphon ciliatus L. C. Wheeler 1961-6-9 7852 Los Angeles San Gabriel Mountains. Big Tujunga Canyon at Vetter Gulch. 1280 Comment
  UC55076  Lessingia glandulifera var. glandulifera Miss E. D. Palmer 1904-11-1 Los Angeles vicinity of Los Angeles Comment
  RSA729183  Lewisia rediviva R. G. Swinney 1998-7-14 6443 Los Angeles Pine Mountain Ridge; 0.2-0.3 mi. west of Camp Lupine trail. Broad ridge top montane coniferous forest. 2247 Comment
  CAS-BOT-BC283774  Leymus cinereus A. D. E. Elmer 1902-6-1 3662 Los Angeles Lancaster Comment
  CAS-BOT-BC283744  Leymus condensatus A. D. E. Elmer 1902-6-1 4177 Los Angeles Acton Comment
  POM365314  Leymus condensatus Edwin Kline 1926-6-6 s.n. Los Angeles Santa Monica. Comment
  UCD64304  Leymus condensatus J. Warren 1952-5-15 Los Angeles Mulholland Drive. 457 Comment
  UC625076  Leymus triticoides F. R. Fosberg 1931-5-18 S 4991 Los Angeles Little Harbor Santa Catalina Island 2 Comment
  RSA596374  Lilium humboldtii subsp. ocellatum Timothy S. Ross, Steve Boyd 1995-6-28 8620 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  RSA757081  Lilium parryi Richard G. Swinney 2008-9-13 9457 Los Angeles Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  UCR119548  Lilium parryi L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mtns., Burkhart Trail, 0.4 mi (airline) SSE of Burkhart Saddle 2012 Comment
  RSA0068083  Linanthus aureus subsp. aureus R. G. Swinney 2010-5-19 12840 Los Angeles Horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  UCR197778  Linanthus breviculus Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 19 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  RSA468432  Linanthus californicus subsp. glandulosus James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, Glendale Comment
  LA52343  Linanthus dianthiflorus Carl Epling; 1933-3-8 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  PASA768  Linanthus parryae Stason 1930-5-18 Los Angeles Mohave Desert near Lancaster Comment
  RSA166886  Linanthus parryae E. R. Blakley 1958-5-10 2281 Los Angeles 14 miles east of Quail Lake on state hwy 138- Antelope Valley. Comment
  JEPS58130  Linanthus parviflorus Frank W. Peirson 1919-4-19 377 Los Angeles Pacoima Canyon San Gabriel Mountains 579 Comment
  RSA225902  Linanthus pungens R. F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41072 Los Angeles San Gabriel Mountains, Angeles National Forest: saddle ridge between West Baldy and Old Baldy. 3003 Comment
  RSA584621  Lithophragma affine T. S. Ross, Steve Boyd 1991-4-25 4612 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  SBBG129324  Lithophragma bolanderi A. Parikh, N. Gale 2012-5-2 3576 Los Angeles W Fork San Gabriel River, 0.8 km E of Cogswell Dam 650 Comment
  POM255819  Lithophragma heterophyllum I. W. Clokey 1935-5-9 6668 Los Angeles San Dimas Canyon Comment
  RSA436329  Lobelia cardinalis subsp. graminea Anstruther Davidson 1893-8-13 s.n. Los Angeles Los Angeles. Comment
  UCR61250  Lobelia dunnii var. serrata R. G. Swinney 1967-7-31 199 Los Angeles San Gabriel Mtns., San Gabriel Mtns, in and near Glendora Wildness Park, Big Dalton Canyon Comment
  RSA77062  Loeseliastrum matthewsii F. W. Peirson 1919-6-15 468 Los Angeles Rock Creek, San Gabriel Mts. 1280 Comment
  CAS-BOT-BC342196  Logfia filaginoides Alice Eastwood 1906-5-27 241 Los Angeles Country adjacent to Los Angeles. Roscoe Comment
  SBBG42235  Logfia filaginoides M. B. Dunkle 1939-4-6 7317 Los Angeles Mosquito Ridge Comment
  UCR271873  Logfia filaginoides R. G. Swinney 2010-3-24 12058 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
  CAS-BOT-BC269093  Lolium perenne C. B. Wolf 1931-6-25 2239 Los Angeles S.W. of Los Angeles Botanic Garden, along Beverly Blvd. (Mandeville Canyon.) 60 Comment
  RSA601625  Lolium perenne subsp. multiflorum L. C. Wheeler 1967-6-16 9861 Los Angeles San Gabriel Mountains : North side of Sunset Ridge under power line. 594 Comment
  POM356974  Lolium temulentum M. B. Dunkle 1928-4-13 1861 Los Angeles Renton Mine Road, Santa Catalina Island. 274 Comment
  SEINET8465376 Image available Lomatium dasycarpum Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9467 Los Angeles San Gabriel Mtns.; Liebre Mountains, upper watershed of Osito Cyn between Hwy I-5 & the Old Ridge Route, vic. of 'Osito Flat,' a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  RSA97152  Lomatium dasycarpum subsp. dasycarpum F. W. Peirson 1919-3-27 338 Los Angeles Foot of trail to Lukens Peak 609 Comment
  UCD127632  Lomatium dasycarpum subsp. dasycarpum Louis C. Wheeler 1967-6-15 9830 Los Angeles Liebre Mountains Region: north between Bouquet Junction and Bonelli Ranch. Comment
  POM8782  Lomatium lucidum P. A. Munz, R. D. Harwood 1920-5-2 3819 Los Angeles San Dimas Canyon. 457 Comment
  SEINET9597180 Image available Lomatium utriculatum M. Kamins 1965-1 68 Los Angeles San Gabriel Mts., Elizabeth Lake Rd. 366 Comment
  CATA2962  Lonicera hispidula Amy Catalano 2016-1-19 003 Los Angeles Santa Catalina Island: Southeastern edge of Big Field, behind old barbed wire fence along road 187 Comment
  UC102329  Lonicera hispidula var. vacillans J. W. Toumey 1894-9-10 Los Angeles Catalina Island Comment
  RSA455377  Lonicera subspicata var. denudata G. D. Wallace 1965-7-18 s.n. Los Angeles Angeles Crest Hwy, 2 miles past Switzer Park . Comment
  RSA547833  Lonicera subspicata var. denudata T. S. Ross, Peter W. Fritsch 1990-6-20 3636 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
  UC1587555  Lonicera subspicata var. denudata Tim Ross 1991-9-2 5909 Los Angeles near Mulholland Highway x Yerba Buena Road; Santa Monica Mountains, Triunfo Pass 7.5' quadrangle 472 Comment
  CAS-BOT-BC198538  Lotus G. B. Grant 1900-2-10 7506 Los Angeles Pasadena, along streets. Comment
  RSA406764  Lotus argophyllus subsp. ornithopus Reid V. Moran 1941-2-19 594 Los Angeles San Clemente Island. Middle Ranch. 500 Comment
  UCR71288  Lotus argophyllus subsp. ornithopus Steve Boyd, Et al. 1990-4-8 4309 Los Angeles Channel Islands, San Clemente Island: E side of island near Malo Point, second canyon south of Bryce Canyon Comment
  UCR86540  Lotus argophyllus subsp. ornithopus T. S. Ross 1992-4-14 6172 Los Angeles Channel Islands; San Clemente Island, Central E side of island, lower escarpment c. 100m N of where the nanny Canyon drainage meets the sea 15 Comment
  RSA515123  Lotus argophyllus subsp. ornithopus Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-30 805 -6 Los Angeles San Clemente Island. Waynuk Canyon, W slope of island. Comment
  POM219964  Lotus argophyllus var. ornithopus F. R. Fosberg 1932-5-5 8111 Los Angeles Hill N Avalon, Santa Catalina Island. Comment
  POM155856  Lotus dendroideus var. dendroideus M. B. Dunkle 1928-4-11 1851 Los Angeles Emerald Bay, Santa Catalina Island. 15 Comment
  RSA595424  Lotus dendroideus var. dendroideus Mark Hoefs, Robert F. Thorne 1996-4-6 2648 Los Angeles Santa Catalina Island. Renton Mine Road. 244 Comment
  RSA406253  Lotus grandiflorus var. grandiflorus Thekla Mohr 1915-1 s.n. Los Angeles North Fork, San Gabriel River. Comment
  RSA639618  Lotus grandiflorus var. grandiflorus L. C. Wheeler 1967-5-23 9701 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  POM175392  Lotus heermannii var. heermannii Helen E. Sweet 1930-7-12 s.n. Los Angeles Above Pine Flats. Comment
  RSA498325  Lotus heermannii var. heermannii Albert J. Perkins 1912-09 s.n. Los Angeles Mt. Wilson trail Comment
  RSA771560  Lotus nevadensis R. G. Swinney 2009-5-28 10943 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR209901  Lotus nevadensis R. G. Swinney 2008-7-24 9291 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  RSA90360  Lotus nevadensis var. davidsonii F. W. Peirson 1922-7-5 4089 Los Angeles Big Pines Camp 2104 Comment
  UCR43319  Lotus oblongifolius David Charlton 1986-6-15 296 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
  RSA601054  Lotus procumbens Steve Boyd, Lauren Raz 1997-6-18 9972 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UC1871340  Lotus procumbens var. procumbens T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3977 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  UCR94479  Lotus procumbens var. procumbens Orlando Mistretta 1992-5-4 233 Los Angeles San Gabriel Mtns., San Gabriel Mountains, Little Rock Creek, Alimony Ridge 1463 Comment
  RSA0087023  Lotus salsuginosus R. G. Swinney 2010-3-18 11978 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road. 540 Comment
  SEINET3860266  Lotus salsuginosus R. G. Swinney 2009-4-21 10417 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mile north (upstream) of Puente Largo bridge.; 0 192 Comment
  UC200758  Lotus salsuginosus Katharine Brandegee Los Angeles Santa Catalina Island Comment
  UCR127195  Lotus salsuginosus A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26281 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  UCR155643  Lotus salsuginosus A. C. Sanders, T. B. Salvato 2005-4-26 29691 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  UCR173881  Lotus salsuginosus Scott D. White, Michael Honer 2003-6-18 9560 Los Angeles Liebre Mtns, Canyon Country: immediately above homes and detention basins in tributary west of Tick Canyon 640 Comment
  RSA0080396  Lotus salsuginosus var. salsuginosus R. G. Swinney 2010-3-24 12050 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  SFV10441  Lotus salsuginosus var. salsuginosus M. J. Teiman 1979-4-27 20 Los Angeles Santa Susana Mountains Browns Canyon. Dry, disturbed field by road side. 365 Comment
  RSA406837  Lotus scoparius Ora M. Clark 1928-12-23 1387 Los Angeles Venice Comment
  RSA406843  Lotus scoparius M. B. Dunkle 1933-4-19 3327 Los Angeles Palos Verde Hills Comment
  UCR205695  Lotus scoparius subsp. scoparius A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37021 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  IRVC26368  Lotus strigosus A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26057 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  JEPS55875  Lotus strigosus A. M. Ottley 1920-5-5 599 Los Angeles Pasadena Comment
  UCR276932  Lotus strigosus R. G. Swinney 2010-5-21 12902 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
  RSA279042  Lotus strigosus R. F. Thorne 1971-4-23 41480 Los Angeles San Gabriel Mountains, Angeles National Forest: Chantry Flats, along trail to Santa Anita Canyon. 609 Comment
  RSA660413  Lotus strigosus Orlando Mistretta 1992-5-21 379 Los Angeles Right Star Mine, S of Acton. Comment
  RSA90390  Lotus strigosus F. W. Peirson 1918-5-26 323 Los Angeles Summit of Mt. Wilson. 1707 Comment
  RSA406939  Lotus strigosus var. strigosus F. R. Fosberg 1931-5-2 54742 Los Angeles Middle Ranch Canyon Santa Catalina Island 200 Comment
  LA210571  Ludwigia peploides subsp. peploides Arthur C. Gibson; 2003-7-25 4939 Los Angeles 220 Comment
  UCR247498  Ludwigia sedoides F. Maly 2006-11-17 s.n. Los Angeles Reseda, McDonalds Aquatic Nursery, 18157 Arminta St Comment
  CAS-BOT-BC201204  Lupinus C. B. Clokey; I. W. Clokey; B. C. Templeton 1930-5-13 4746 Los Angeles Boquet [Bouquet] Canyon Comment
  JEPS88606  Lupinus L. R. Heckard 1985-5-4 6233 Los Angeles s Rosamond Dry Lake (s side of Ave. E, 1 mi e of 10th St. East, ne of Lancaster, Mojave Desert); Mojave Desert, s of Rosamond Dry Lake 701 Comment
  RSA728785  Lupinus Gary D. Wallace 1979-4-19 1678 Los Angeles Mojave Desert, W of Palmdale, N of Elizabeth Lake near north end of Munz Ranch Road. Comment
  RSA0085065  Lupinus Lyman Benson 1945-4-14 11675 Los Angeles Claremont. 351 Comment
  RSA442345  Lupinus Robert M. Perkins 1935-3-31 13 Los Angeles Playa del Rey. Comment
  SEINET10488412  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6450 x arb. Hyb. (1) Comment
  RSA213328  Lupinus albifrons var. eminens Reid V. Moran 1941-3-13 704 Los Angeles Santa Catalina Island. Hermit Gulch, near creek. 50 Comment
  CHSC29257  Lupinus benthamii Geraldine Brown 1977-4-11 83 Los Angeles E of Hwy 99 along roadside, 48 mi s of Bakersfield. 128 Comment
  UC1129387  Lupinus bicolor A. D. Gifford 1935-3-15 475 Los Angeles mouth of Elizabeth Lake Canyon; Angeles National Forest, Tejon Quad. Comment
  UCR209896  Lupinus breweri R. G. Swinney 2008-7-24 9281 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  CATA1628  Lupinus concinnus Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2901 Los Angeles Santa Catalina Island: Near Divide Road, east end 1.7 miles from Wrigley Memorial 275 Comment
  RSA413473  Lupinus concinnus Robert Gustafson, Gary D. Wallace 1982-4-26 2531 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 976 Comment
  UCR256259  Lupinus elatus R. G. Swinney 2010-10-13 14032 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  UCR147796  Lupinus excubitus var. austromontanus Valerie Soza, LeRoy Gross 2000-6-13 1001 Los Angeles San Gabriel Mountains, SE-facing slope of Horse Canyon, above Horse Canyon Road (FSR 3M51), c. 1.75 mi south of Angeles Crest Hwy, within Horse Canyon Shooting Area 1768 Comment
  SEINET10485284  Lupinus excubitus var. hallii David B. Dunn 1957-5-18 Dunn RSA 6226 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 f1 plant number. Seeds from open field pollen Vector. Comment
  SBBG3604  Lupinus formosus R. Hoffmann 1925-5-17 Los Angeles Antelope Valley Comment
  SBBG45473  Lupinus formosus D. Emery 1955-4-28 Los Angeles beyond Rock Crk turn-off on rd to Big Pines Comment
  SEINET10543978  Lupinus formosus Robert F. Thorne 1969-7-2 Thorne 38298 Los Angeles San gabriel mtns, angeles national forest. Dry, open sunny se-facing slope in yellow pine forest along angeles crest hwy 3.2 mi w-sw of cloudburst summit. 1981 Comment
  SD212611  Lupinus formosus var. formosus Anuja Parikh, Nathan Gale 2004-4-24 2002 Los Angeles Newhall Ranch, study area 64. Comment
  UC1928584  Lupinus formosus var. formosus Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 05050 75 Los Angeles Transverse Ranges; San Gabriel Mountains region; Bob's Gap. At the South edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  POM2546  Lupinus formosus var. formosus D. W. Sturges 1916-6-2 s.n. Los Angeles San Antonio Mt 1555 Comment
  RSA413622  Lupinus formosus var. formosus L. C. Wheeler 1932-4-16 633 Los Angeles W. Fork Santa Anita Canyon, San Gabriel Mts. 762 Comment
  CHSC8293  Lupinus hirsutissimus Edward L. Smith 1957-4-29 173 Los Angeles Located in Cactus Garden, Pomona College campus. 365 Comment
  SFV1886  Lupinus hirsutissimus K. A. Wilson 1961-3-11 977 Los Angeles San Gabriel Mountains Placerita Canyon Road. Wash 3 miles east of Placerita Canyon State Park. 410 Comment
  POM19045  Lupinus hyacinthinus P. A. Munz 1923-8-31 7673 Los Angeles Swartout Valley, San Gabriel Mts 2591 Comment
  CAS-BOT-BC211678  Lupinus longifolius E. K. Balls 1954-3-8 18870 Los Angeles 1 mi. e. of La Crescenta Comment
  CAS-BOT-BC211695  Lupinus longifolius Theodore Payne 1948-5-15 12287 Los Angeles La Canada Comment
  LA82132  Lupinus longifolius O. H. Kappler; 1941-3-24 145 Los Angeles Santa Monica Mountains, Sepulveda Canyon, Lower end Sepulveda Canyon 152 Comment
  RSA632423  Lupinus longifolius Valerie L. Soza, LeRoy Gross 1999-7-15 634 Los Angeles San Gabriel Mountains: Helispot off Mt. Wilson Trail, 2.7 miles from trailhead in Sierra Madre. . 822 Comment
  RSA750112  Lupinus microcarpus R. G. Swinney 2008-5-5 8764 Los Angeles Big Rock Creek at Paradise Springs 1427 Comment
  RSA0096916  Lupinus microcarpus var. densiflorus L. C. Wheeler 1967-5-18 9618 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA167048  Lupinus odoratus var. odoratus W. G. Webb 1935-4-20 s.n. Los Angeles Lancaster Comment
  UCR108187  Lupinus peirsonii L. C. Wheeler 1968-6-1 s.n. Los Angeles San Gabriel Mtns, Big Rock Creek at Angeles Crest Hwy 2165 Comment
  UC586883  Lupinus polyphyllus var. burkei Joseph Andorfer Ewan 1934-8-4 8325 Los Angeles Guffys Spring San Gabriel Mts., s end of Blue Ridge, Cienega, Guffys Sprin (Cienega, s end Blue Ridge) 2438 Comment
  CHSC98733  Lupinus sparsiflorus LeRoy Gross 2001-4-1 378 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Northwest side: Low hill between La Tuna Canyon Road and Sunland Blvd. enter at dead end street at corner of Tuxford St. and Ledge Ave just north of La Tuna Canyon Road in city of Sun Valley, just west of the mouth of McDonald Creek. 304 Comment
  RSA653906  Lupinus sparsiflorus Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 811 Los Angeles Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road. 594 Comment
  UCR258497  Lupinus sparsiflorus R. G. Swinney 2010-3-10 11813 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  RSA710388  Lupinus sparsiflorus LeRoy Gross 2005-5-3 2183 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
  POM2611  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1918-5-16 2251 Los Angeles Claremont. Comment
  RSA599819  Lupinus sparsiflorus subsp. sparsiflorus Steve Boyd, Lauren Raz 1997-3-31 9393 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 914 Comment
  LA33642  Lupinus succulentus Henry J. Thompson; 1959-3-27 1900 Los Angeles Santa Monica Mountains, Cold Canyon, Cold Canyon Rd, 3 mi SW of Calabasas 426 Comment
  RSA414328  Lupinus succulentus Freda Detmers 1929-2-24 s.n. Los Angeles Laurel Canyon Comment
  SD37927  Lupinus succulentus Edith A. Purer 1935-5-11 6588 Los Angeles Milibou Road, Santa Monica Mountains. Comment
  UCR131431  Lupinus succulentus Alison Lipman 1998-5-24 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  CHSC8295  Lupinus truncatus Edward L. Smith 1957-4-29 172 Los Angeles Plant from Cactus Garden, Pomona College, Claremont. 365 Comment
  SBBG31358  Lycium californicum R. F. Thorne with P. C. Everett 1965-5-11 34648 Los Angeles rd from Rancho Escondido above Cottonwood Dam in Cottonwood Cyn 106 Comment
  RSA747184  Lycium cooperi R. G. Swinney 2008-6-9 8965 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR117226  Lycium cooperi B. G. Pitzer 1998-5-12 3688 Los Angeles Western Mojave Desert, c. 18 air mi. NW of Adelanto & 12.8 mi (airline) west of the San Bernardino Co. line, 240th Street East, c. 3.1 road mi. north of junction with El Mirage Rd. (= Ave. 'P'), 0.25 mi. east of 240th St., and c. 3.4 mi. south of Ave. 'J 866 Comment
  UCR149814  Lycium cooperi Scott D. White, Michael Honer 2004-3-30 9955 Los Angeles W Mojave Desert, east edge of the City of Palmdale, c. 1 mi west-northwest of 'Four Points 838 Comment
  RSA578209  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Janet Takara, Bob Given, Misty Gray 1994-8-2 8192 Los Angeles Santa Catalina Island. Midway in Swain's Canyon. 95 Comment
  UC1302893  Lyonothamnus floribundus subsp. floribundus Robert F. Thorne and P. C. Everett 1964-2-6 33431 Los Angeles slope of Black Jack Mt. above airport road, Santa Catalina Island 457 Comment
  RSA0011277  Lythrum hyssopifolia Orlando Mistretta, Christine Mistretta 2010-6-25 5354 Los Angeles Transverse Ranges; San Gabriel Mountains region: On Forest Route 2N24 near head of N fork Santa Anita Canyon, along Southern California Edison transmission line corridor. 1215 Comment
  SEINET7042260  Madia gracilis A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle. UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  UCR58505  Malacothamnus clementinus Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-24 22697 Los Angeles San Clemente Island, China Canyon above confluence of Iwo Jima Gulch. 200 Comment
  UCR113022  Malacothamnus davidsonii L. C. Wheeler 1967-7-30 10279 Los Angeles San Gabriel Mtns, Angeles National Forest: Trail Canyon c. one-half way between Tom Lucas Campground and BM 3434. 1006 Comment
  CAS-BOT-BC206235  Malacothamnus fasciculatus Alice Eastwood 1919-7-4 9286 Los Angeles Santa Monica Canyon, Los Angeles Comment
  RSA152024  Malacothamnus fasciculatus Wesley O. Griesel 1962-7-6 s.n. Los Angeles Encinal Canyon, Santa Monica Mts. 305 Comment
  RSA95326  Malacothamnus fasciculatus F. W. Peirson 1918-6-19 109 Los Angeles San Antonio Canyon Wash, south base of San Gabriel Mts. Comment
  POM2939  Malacothamnus fasciculatus subsp. fasciculatus Mary P. Walker 1898-5-7 20 Los Angeles Claremont. Comment
  SBBG31156  Malacothamnus fasciculatus var. catalinensis R. F. Thorne 1966-6-2 36518 Los Angeles E of Black Jack Mtn, leading to White's Landing 228 Comment
  POM2936  Malacothamnus fremontii I. M. Johnston 1917-8-22 1673 Los Angeles San Antonio Mts., Prairie Fork of the San Gabriel River 1905 Comment
  RSA293401  Malacothamnus fremontii Reino Alava, R. C. Bacigalupi 1958-7-21 2245 Los Angeles Just east of Pinyon Flats and at begning of decent into the canyon. Along Forest service road. Canyon of South fork of Little Rock Creek. 1555 Comment
  RSA577279  Malacothamnus fremontii Orlando Mistretta 1994-7-20 1439 Los Angeles Big Rock Creek. South Fork Campground. 1402 Comment
  CAS-BOT-BC345410  Malacothrix clevelandii Philip A. Munz 1925-4-23 9453 Los Angeles San Gabriel Canyon 487 Comment
  SBBG43859  Malacothrix foliosa subsp. foliosa M. R. Benedict 1971-6-26 Los Angeles ca. 0.5 mi S of Wilson Cove Comment
  RSA679899  Malacothrix glabrata LeRoy Gross, Michael Denslow 2003-6-4 970 Los Angeles Trail from Islip Saddle to Mt. Williamson 2195 Comment
  RSA587534  Malacothrix glabrata Orlando Mistretta, Steve Boyd, Darin Banks 1994-4-29 1109 Los Angeles Santiago Canyon. Ridge on W edge of Santiago Cyn watershed N of Forest Road 4N20. 1372 Comment
  RSA0021878  Malacothrix saxatilis Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5114 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  CAS-BOT-BC347952  Malacothrix saxatilis var. tenuifolia Alice Eastwood 1919-7-4 9281 Los Angeles Santa Monica Canyon, Los Angeles Comment
  RSA658409  Malacothrix saxatilis var. tenuifolia Erinn Wilson 1996-5-15 19 Los Angeles G canyon in Cal Poly Campus, Pomona Comment
  SBBG66179  Malacothrix saxatilis var. tenuifolia R. Hoffmann 1927-8-31 Los Angeles Bouquet Cyn Comment
  UCR143273  Malacothrix saxatilis var. tenuifolia F. R. Fosberg 1931-3-31 S- 4423 Los Angeles Channel Islands, Santa Catalina Island, Avalon 5 Comment
  UCR273403  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-4-26 14483 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  CAS-BOT-BC167864  Malosma laurina W. R. Dudley 1907-12-8 s.n. Los Angeles Near Monrovia Comment
  CATA3163  Malosma laurina Amy Catalano 2016-6-24 147 Los Angeles Santa Catalina Island: South side of canyon that runs northeast from junction of Cape Canyon Road and Upper Cape Reservoir Road 309 Comment
  HSC3150  Malosma laurina C. S. Apperson 1967-6-24 Los Angeles 0.5 mi. up Stunt Canyon Rd. off Mullholland Dr., Santa Monica Mtns. Comment
  RSA658308  Malosma laurina D. Roche 1998-5-26 28 Los Angeles Camp Baldy Road at fence line of Dept. of water structure. North side of road. 573 Comment
  CAS-BOT-BC206650  Malva assurgentiflora Reid Moran 1941-2-26 625 Los Angeles Northeast slope of rock, Indian Rock, Wilson's Harbor, Santa Catalina Island 5 Comment
  RSA0073368  Malva parviflora R. G. Swinney 2010-3-16 11963 Los Angeles San Gabriel Mountains/Verdugo Mountains: Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA188258  Malva parviflora Robert F. Thorne 1966-4-29 36294 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon. 198 Comment
  POM158130  Malvella leprosa L. R. Abrams 1902-8-16 2959 Los Angeles Mesmer Comment
  RSA599266  Marah fabacea Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9450 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
  RSA611611  Marah macrocarpa Anna Christensen 1997-3-13 5 Los Angeles Claremont, Bernard Biological Field Station. NW corner of Mills Ave. and Foothill Blvd. 412 Comment
  SEINET13276793 Image available Marah macrocarpa R. G. Swinney 2011-1 14506 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SFV3626  Marah macrocarpa K. A. Wilson 1961-3-11 973 Los Angeles San Gabriel Mountains Placerita Canyon Road. Small canyon 1 mile west of Placerita Canyon State Park. 460 Comment
  RSA0077295  Marah macrocarpa R. F. Thorne, Jim Henrickson 1963-5-5 32286 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont. 518 Comment
  OBI30184  Marrubium vulgare Cynthia L. Troyer 1976-5-8 s.n. Los Angeles Puddingstone Dam area 282 Comment
  RSA409828  Marrubium vulgare M. B. Dunkle 1939-4-3 7240 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  UC57428  Matricaria discoidea J. H. Barber 1897-3-21 88 Los Angeles Santa Monica Forestry Station Comment
  UCR220264  Matricaria discoidea R. G. Swinney 2009-4-24 10497 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  SD69702  Matricaria occidentalis Robert F. Thorne 1966-4-29 36278 Los Angeles Santa Catalina Island, Middle Ranch Canyon 214 Comment
  JEPS36099  Matricaria occidentalis Ernest C. Twisselmann 1964-5-7 9389 Los Angeles s of Rogers Lake (Avenue A); Mojave Desert, Edwards Air Force Base 614 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
  RSA495079  Medicago polymorpha A. C. Sanders 1988-5-18 7824 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and E of Vista Del Mar Blvd. Comment
  SD251735  Medicago polymorpha M. B. Dunkle 1939-4-6 7327 Los Angeles San Clemente Island; Mosquito Ridge. 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
  UCR249901  Melaleuca viminalis R. E. Riefner Jr. 2004-8-22 04- 384 Los Angeles city of Pasadena, Arroyo Seco Creek, Lower Arroyo Park, vicinity of Colorado Blvd overpass 122 Comment
  UCR51054  Melaleuca viminalis A. C. Sanders 1988-3-17 7727 Los Angeles Pacific Coast, El Segundo Dunes, immediately west of the LA International airport and Pershing Dr., east of Vista Del Mar Blvd. 30 Comment
  POM362466  Melampodium perfoliatum Anstruther Davidson 1889-1 s.n. Los Angeles Grounds near river at Los Angeles Comment
  CAS-BOT-BC281513  Melica imperfecta Jack Delaini; Barbara Shervanick 1974-3-22 82 Los Angeles Lodi Canyon. San Dimas Experimental Forest, Angeles National Forest. 365 Comment
  CAS-BOT-BC281518  Melica imperfecta Carl Epling No date on label s.n. Los Angeles Los Alisos Canyon, Santa Monica Mts Comment
  UCR199937  Melica imperfecta Scott D. White, Justin Wood 2008-5-6 11936 B Los Angeles Puente / Chino Hills, Chino Hills, NW of Carbon Canyon Rd. and SE of Tonner Canyon, on SCE powerline corridor, Firestone Boy Scout Reservation, SE corner of county 37 Comment
  UCR210336  Melilotus albus R. G. Swinney 2008-10-16 9587 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  SD40033  Melilotus indicus Edith A. Purer 1932-4-23 2776 Los Angeles El Segundo Comment
  UCR146416  Mentha aquatica Sandra L. Leatherman, Brian Daniels 1998-10-27 53 Los Angeles Transverse Ranges; Liebre Mtns, Bouquet Canyon: adjacent to Bouquet Canyon Road, south of Vasquez Canyon Road and north of Esguerra Road 488 Comment
  RSA614825  Mentha spicata Louis C. Wheeler 1976-8-4 s.n. Los Angeles Dominguez Hills: Near Victoria Street and Dominguez Avenue. 49 Comment
  UCR131363  Mentzelia Jeremiah George 2001-3-17 s.n. Los Angeles South Coastal Plains Region, City Hall property, Rancho Palos Verdes 213 Comment
  UCR193449  Mentzelia R. G. Swinney 1999-6-5 7265 Los Angeles San Gabriel Mtns., ridge extending west from Big John Peak, above Big John Flat 1817 Comment
  RSA584868  Mentzelia congesta Tim S. Ross, Steve D. Boyd 1990-6-4 2801 Los Angeles San Gabriel Mountains: East-West ridge ca. 1400 m N of Mt Gleason: ridge separating the headwaters of Arrastre Canyon from upper west tributaries of Gleason Canyon. 1549 Comment
  RSA0097180  Mentzelia dispersa R. G. Swinney 2011-6-1 14976 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  CSUSB1185  Mentzelia laevicaulis Art Whistler 1966-6-23 Los Angeles Near the snowbank seen on this day at 7500' on Ca. Highway 2, past Mount Wilson Road, having driven from Angeles Crest Highway and Foothill Blvd. approx. 46 miles. 2285 Comment
  CATA3075  Mentzelia micrantha Amy Catalano 2016-4-15 072 Los Angeles Santa Catalina Island: Side drainage of Renton Pass Canyon, below exclosure 4D, about 100 m up from main drainage, N-facing slope 378 Comment
  RSA717857  Mentzelia micrantha R. G. Swinney 1997-5-13 5515 Los Angeles Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam. 402 Comment
  RSA446764  Mentzelia micrantha L. E. Hoffman 1929-5-18 s.n. Los Angeles Pacoima, Angeles National Forest. Comment
  UCR192179  Mentzelia veatchiana A. C. Sanders 2008-4-17 34943 Los Angeles Transverse Range, hills 1.5 mi. SW of Neenach School, c. 1.5 mi. west of Pine Canyon 976 Comment
  UCR271395  Mentzelia veatchiana R. G. Swinney 2011-5-12 14672 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA402606  Mesembryanthemum crystallinum Jack Rempel 1932-5-6 s.n. Los Angeles El Segundo. Comment
  SEINET11942233  Mesembryanthemum crystallinum F. H. Beer 1954-1 s.n. Los Angeles near Los Angeles Comment
  CAS-BOT-BC435286  Mesembryanthemum nodiflorum L. R. Abrams; I. L. Wiggins 1931-7-3 289 Los Angeles Channel Islands. Santa Barbara Island Comment
  RSA12270  Mesembryanthemum nodiflorum C. B. Wolf 1934-4-11 5644 Los Angeles Bryant Ranch. E. of Long Beach. 2 Comment
  SBBG70899  Micranthes californica unknown -Jun-1893 Los Angeles Glendale Comment
  UCR184110  Microseris douglasii A. C. Sanders, T. B. Salvato 2007-4-24 33476 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  CAS-BOT-BC349180  Microseris elegans Hasse 1890-5-1 s.n. Los Angeles Santa Monica Comment
  UC284752  Microseris elegans P. A. Munz 1923-4-10 6732 Los Angeles slope s Lemon Tank; San Clemente Island 243 Comment
  POM363438  Microseris lindleyi Anstruther Davidson, H. E. Hasse 1906-06 1473 Los Angeles Big Rock Creek. Comment
  RSA0053900  Microseris lindleyi R. G. Swinney 2010-5-11 12631 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
  RSA0089504  Microseris lindleyi R. G. Swinney 2010-5-19 12793 Los Angeles 'Oracle Hill summit'?, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA763144  Microseris lindleyi Justin M. Wood 2010-5-10 1631 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  UCR95333  Microseris lindleyi L. C. Wheeler 1967-5-9 9385 Los Angeles San Gabriel Mtns, Aliso Canyon, east of Acton, c. 1 mi downstream from Wagonwheel Ranch 1067 Comment
  POM363458  Microseris lindleyi L. C. Wheeler 1934-4-15 2522 Los Angeles San Gabriel Mountains: Liveoak Canyon. 488 Comment
  RSA770895  Microseris linearifolia R. F. Thorne 1965-5-10 34483 Los Angeles Upper end of Gallagher Canyon, Santa Catalina Island. 412 Comment
  SBBG125530  Mimetanthe pilosa A. Parikh, N. Gale 2010-6-15 3295 Los Angeles upper Big Tujunga Cyn, 0.3 km ENE of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1295 Comment
  SDSU14340  Mimulus aurantiacus John Viggiano 2003-4-3 26 Los Angeles South Hills Park, Glendora. 1/6 mile south from restroom at park, along trail. 237 Comment
  RSA530072  Mimulus aurantiacus var. pubescens Tim S. Ross 1991-8-16 5875 Los Angeles San Gabriel Mountains, Horse Flats 1787 Comment
  UCSB39741  Mimulus aurantiacus var. pubescens Dynowski, Monica 1977-5-13 Los Angeles On east side of Azusa Ave; 1/4 mile so. of its junction with Fransisquito Ave; San Jose Hills; Valinda 228 Comment
  RSA0060192  Mimulus aurantiacus var. pubescens Robert M. Perkins 1935-5-4 72 Los Angeles Hendrick's Canyon. Comment
  SEINET12269798  Mimulus brevipes I. Tavares, Brinson, V. 1962-1 255 Los Angeles Bouquet (Boquet) Canyon road, 3 mi S of Boquet Canyon Guard Station Comment
  SFV18457  Mimulus brevipes C. Ferguson 1973-5-1 Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Main Canyon. Streamside. Comment
  POM30  Mimulus cardinalis D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  RSA0091107  Mimulus cardinalis R. G. Swinney 2011-6-30 15384 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  UC26891  Mimulus cardinalis J. Burtt Davy October, 1896 2730 Los Angeles Santa Monica Comment
  RSA729518  Mimulus floribundus R. G. Swinney 1998-8-6 6694 Los Angeles upper East Fork San Gabriel River, at cliff seep c. 100m below Falls Gulch. 1000 Comment
  UCR259658  Mimulus floribundus R. G. Swinney 2010-9-7 13723 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  SFV6172  Mimulus glaucescens R. M. Muran 1974-5-28 85 Los Angeles Santa Monica Mountains Along road by Seminole Hot Springs. 396 Comment
Read comments
Jul 13 2018
  RSA600539  Mimulus guttatus Steve Boyd, Lauren Raz 1997-5-28 9863 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  SBBG56199  Mimulus guttatus F. C. Boutin 1967-4-23 1692 Los Angeles cyn SE of Lemon Tank 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
  RSA775518  Mimulus palmeri Orlando Mistretta, Christine Mistretta 2010-5-22 5179 Los Angeles Upper Aliso Cyn, about 1.5 miles north of Mill Creek summit. 1311 Comment
  RSA725127  Minuartia douglasii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -65 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  RSA727342  Minuartia douglasii R. G. Swinney 1998-5-16 6068 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA778872  Minuartia douglasii Orlando Mistretta, Christine Mistretta 2010-6-1 5227 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mill Creek Canyon; along Southern California Edison transmission line corridor; approx. 1.0 air miles S of Mill Creek summit, near spur road to Falcon Mine. 1280 Comment
  RSA423548  Minuartia douglasii E. S. Spalding 1923-5-2 s.n. Los Angeles Fish Canyon Comment
  SEINET181917  Mirabilis californica I. W. Clokey, B Templeton 4499 Los Angeles Santa Monica Mts; Mandeville Canyon 350 Comment
  RSA249734  Mirabilis laevis var. crassifolia Robert F. Thorne, M. Z. Thorne 1973-2-12 s.n. Los Angeles Santa Catalina Island. N of marine Science station at Fisherman s Cove. 46 Comment
  RSA0027969  Mirabilis laevis var. crassifolia Brent Mishler 1977-10-11 s.n. Los Angeles San Gabriel River wash, Irwindale. Comment
  SBBG127545  Mollugo verticillata A. C. Sanders with D. S. Cooper 2010-8-5 38534 Los Angeles Madrona Marsh Preserve, Torrance 24 Comment
  UCR223144  Monardella breweri subsp. lanceolata R. G. Swinney 2009-7-22 11338 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  SBBG126066  Monardella hypoleuca subsp. hypoleuca M. A. Elvin with A. Clause 2008-5-30 5972 Los Angeles Santa Ynez Cyn, ca. 300 m N of Verde de la Montura Rd; Santa Monica Mtns Comment
  RSA639886  Monardella linoides subsp. stricta Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: Icy springs fork of Big Rock Creek, at Angeles Crest Highway. 2134 Comment
  RSA0003929  Monardella saxicola I. M. Johnston 1917-7-1 1440 Los Angeles Head of Evey canyon (on sunset trail) 1448 Comment
  UCR192525  Monolopia lanceolata A. C. Sanders 2008-4-10 34785 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  RSA29679  Mucronea californica Louis C. Wheeler 1932-5-26 746 Los Angeles San Gabriel wash at Arrow Highway. 107 Comment
  RSA593891  Muhlenbergia asperifolia Steve Boyd 1996-4-24 8664 Los Angeles Liebre Mountains, West Fork Liebre Gulch in narrow side canyon to the east. 1012 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
  SD90480  Muhlenbergia microsperma Robert F. Thorne 1973-4-11 42857 Los Angeles San Clemente Island: middle portion of Norton Canyon, canyon bottom 274 Comment
  UC1922854  Muhlenbergia microsperma Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 809 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road. Near 34deg 12' 47.8'' N 118deg 17' 27.4'' W T2N R14W NE/4, SE/4 sec. 36; T2N R13W NW/4, SW/4 sec. 31. Elev. 1950 Feet. Comment
  RSA0070069  Muhlenbergia microsperma Mark L. Hoefs 1991-4-16 1107 Los Angeles Santa Catalina Island: Renton Mine Road. 249 Comment
  RSA586696  Muhlenbergia richardsonis Orlando Mistretta 1995-6-20 1798 Los Angeles San Gabriel Mountains, Bare Mountain Canyon; Fountainhead Spring, E of Pacifico Mtn. 2012 Comment
  RSA17074  Muhlenbergia rigens C. B. Wolf 1936-5-27 7838 Los Angeles Indian Canyon Camp, 2 miles off Soledad Canyon 915 Comment
  CAS-BOT-BC515103  Muilla maritima Timothy S. Ross; Steve Boyd 1994-5-11 7819 Los Angeles Sawmill Mountain, W summit area ca 260-350m, SE of Sawmill Campground, Burnt Peak 7.5' USGS Quadrangle 1621 Comment
  RSA0091354  Muilla maritima R. G. Swinney 2011-6-15 15160 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  RSA660517  Muilla maritima Lori Ackerman, Gerald Braden 1988-4-22 18 Los Angeles North end of West Fork River, San Gabriel Mountains. Comment
  CAS-BOT-BC515091  Muilla maritima G. B. Grant 1906-6-15 s.n. Los Angeles Summit of Mount Wilson Comment
  CAS-BOT-BC327746  Munzothamnus blairii Charles Burch 1963-12-8 s.n. Los Angeles San Clemente Island. First canyon S of Seal Cove Comment
  CAS-BOT-BC243701  Myoporum laetum Timothy S. Ross; Angelika Brinkmann-Busi 1992-3-28 6058 Los Angeles Rancho Palos Verdes, lower Altamira Canyon, first small canyon NW of Portuguese Point, San Pedro USGS 7.5' quad., Palos Verdes Peninsula 15 Comment
  CDA6603  Myoporum laetum T. S. Ross, J. M. Porter, G. Allan, Vanessa E. T. M. Ashworth, D. L. Banks, M. Tommerup 1994-3-28 7412 Los Angeles Palos Verdes Peninsula. Rancho Palos Verdes; un-named horseshoe-shaped canyon to the northeast of upper Forrestal Drive. Comment
  CAS-BOT-BC101644  Myrica californica E. A. Howard 1930-8-1 s.n. Los Angeles Santa Monica Mts. Comment
  RSA0101414  Nama californica Louis C. Wheeler 1967-5-12 9473 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA522290  Narcissus tazetta Steve Boyd 1990-2-3 3823 Los Angeles San Gabriel Mountains, base of range at Padua Hills, just W of mouth of San Antonio Canyon Comment
  CAS-BOT-BC520316  Nassella lepida R. G. Swinney 2010-4-30 12471 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park,ridgetop S of the southern of the two eastern forks of Wilson Cyn., 0.45 mi E of Wilson Debris Basin along old motorway 548 Comment
  RSA678210  Nassella lepida Valerie L. Soza, LeRoy Gross 2001-4-18 1136 Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons. 701 Comment
  SEINET12394364 Image available Nassella lepida J. M. Keefe 1977-1 22155 Los Angeles Glendale, Verdugo Mountains, trail to Water Caves, south fork Engleheard Canyon, 1 km south of camp Max Straus 400 Comment
  POM292719  Nassella pulchra Lyman Benson 1949-4-29 13603 Los Angeles Hill 3 miles SW of Pomona 305 Comment
  RSA127899  Nassella pulchra P. H. Raven 1959-5-9 14161 Los Angeles Santa Monica Mountains. Mulholland Hwy 1 mile W of Las Virgenes Road. Malibu Creek drainage, 274 Comment
  RSA177748  Nassella pulchra R. F. Thorne, P. Everett 1965-5-10 34521 Los Angeles Near upper end of Gallagher Canyon; Santa Catalina Island. 427 Comment
  SBBG95839  Nassella pulchra S. Boyd with T. Ross, L. Arnseth 1990-4-7 4229 Los Angeles lower half of China Cyn, W side Comment
  CAS-BOT-BC65037  Nasturtium gambelii Dennis E. Breedlove 1904-1-1 s.n. Los Angeles Cienaga Comment
  RSA219943  Navarretia hamata subsp. hamata F. R. Fosberg 1932-5-19 8185 Los Angeles mouth of San Dimas Canyon 100 Comment
  POM158279  Navarretia hamata subsp. leptantha M. B. Dunkle 1928-5-12 1920 Los Angeles Empire Landing, Santa Catalina Island. 30 Comment
  RSA190944  Navarretia hamata subsp. leptantha R. F. Thorne 1966-4-30 36352 Los Angeles Santa Catalina Island; Grassy slope above Gallagher's Canyon 427 Comment
  SFV20780  Navarretia pubescens T. Sagar 2007-5-29 s. n. Los Angeles Santa Monica Mountains Malibu Springs Trail from Decker School Road, northwest of Nicholas Flat. 475 Comment
  RSA777928  Nemacladus orientalis Orlando Mistretta, Christine Mistretta 2010-5-20 5160 Los Angeles Slopes W of Angeles Forest Hwy, about 0.6 miles N of jct. with Aliso Cyn Rd. 1189 Comment
  UCR256239  Nemacladus secundiflorus R. G. Swinney 2010-5-19 12841 Los Angeles San Gabriel Mountains, horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  SDSU6137  Nemophila menziesii J. Godsil 1952-4-1 151 Los Angeles Azusa Canyon. Angeles Natl. Forest near Coldstream Guard Station. 1036 Comment
  RSA652201  Nemophila menziesii Eleanor McClung 1937-4-12 93 Los Angeles Franklin Canyon, Los Angeles. [North of Beverly Hills] Comment
  RSA0110795  Nemophila menziesii subsp. integrifolia R. G. Swinney 2011-4-28 14535 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam. 878 Comment
  RSA0065634  Nemophila menziesii var. integrifolia LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6789 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA421302  Nemophila menziesii var. integrifolia Tom Burch 1940-3-17 s.n. Los Angeles Near Newhall 610 Comment
  RSA570348  Nemophila menziesii var. integrifolia Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4951 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  SD248439  Nemophila pulchella var. fremontii Mitch Provance, Callen Huff 2009-4-29 10682 Los Angeles Tehachapi Mountains: Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 0.6 mile north of Gorman; site PO1091 (Lebec 7.5'Q) 1431 Comment
  UC64486  Nicotiana attenuata H. M. Hall Jun 1899 Los Angeles Swartout Canyon; San Antonio Mountains 1828 Comment
  JEPS68693  Nicotiana glauca Annie M. Alexander and Louise Kellogg 1939-6-26 851 Los Angeles Mint Canyon Comment
  RSA426694  Nicotiana glauca John E. Marble 1894-5-2 s.n. Los Angeles Elysian Park, Los Angeles. Comment
Read comments
Oct 30 2014
  SEINET10696851  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3962 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SEINET10696858  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3939 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SEINET12188943  Oenothera bistorta C. L. Abbott 1926-1 s.n. Los Angeles Los Angeles Comment
  CHSC3696  Oenothera deltoides MacArthur 1966-4-28 11 Los Angeles Hughes Lake. 1524 Comment
  RSA802347  Oenothera elata subsp. hookeri Orlando Mistretta, Cher Batchelor 2011-7-26 5982 Los Angeles West Fork San Gabriel. Slopes south of Cogswell Reservoir. 915 Comment
  SEINET10837691  Oenothera palmeri David B. Dunn 1947-4-16 Dunn 2945 Los Angeles 5 mi e and 2 mi s of palmdale; along power line. Comment
  SD92019  Opuntia X occidentalis Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-23 22690 Los Angeles San Clemente Island: common on slopes, near mouth of Red Rock Canyon. (IPB 9/07) 24 Comment
  SEINET10731655  Opuntia echinocarpa LeRoy R. Abrams, Ernest A. McGregor 1908-7-2 Abrams 564 Los Angeles Rock Creek, Desert slopes of the San Gabriel Mountains. Comment
  SEINET10914560  Opuntia occidentalis var. vaseyi Betty Venrick 1961-5-11 Venrick 566 Los Angeles Rancho Santa Ana Botanical Garden. San Gabriel Mts. 335 Comment
  POM317682  Opuntia phaeacantha W. Hubert Earle 1968-1 s.n. Los Angeles Lancaster; Meadow Wash Canyon. Mojave Desert. 762 Comment
  RSA670808  Opuntia vaseyi Joseph M. Keefe 2001-1-19 30982 Los Angeles Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 385 Comment
  RSA452103  Oreonana vestita L. E. Hoffman 1932-8-21 s.n. Los Angeles Mt. Baldy, Angeles National Forest, [San Gabriel Mountains]. 3049 Comment
  RSA0076269  Orobanche multicaulis Frank W. Peirson 1926-5-8 6728 Los Angeles 12 miles east of Palmdale, Antelope Valley. Comment
  JEPS64595  Orobanche parishii subsp. brachyloba Robert F. Thorne and P. Everett 1965-6-23 34932 Los Angeles w. side Santa Catalina Isl. (Ben Weston Beach, flat behind dunes); , Ben Weston Beach 3 Comment
  POM12329  Orthocarpus purpurascens var. pallidus F. L. Robinson 1921-5-18 80 Los Angeles Claremont. Comment
  UC1595366  Osmorhiza berteroi Tim Ross and Steve Boyd 1990-6-18 3451 Los Angeles Camp Verdugo Pines and vicinity San Gabriel Mtns., Mescal Creek USGS 7.5' quad (northerly draw draining to Jackson Lake) 1877 Comment
  UC1375269  Osmorhiza berteroi Robert F. Thorne 1971-8-25 41257 Los Angeles Lilly Spring San Gabriel Mts., Angeles National Forest, Mt. Hawkins (nw slope of mt.) Comment
  UC1619330  Osmorhiza brachypoda Timothy S. Ross 1992-5-24 6422 Los Angeles Browns Gulch (draining to San Gabriel Canyon at the base of San Gabriel Dam San Gabriel Mountains 501 Comment
  RSA0036159  Oxalis corniculata Robin Bowman 1967-4-16 s.n. Los Angeles Verdugo Hills behind college. 243 Comment
  UCR271968  Packera ionophylla R. G. Swinney 2011-6-20 15212 Los Angeles San Gabriel Mountains, southeast margin of Crystal Lake, 10-30 meters from water line 1692 Comment
  UC1211150  Paeonia californica Huron H. Smith 1912-4-23 4811 Los Angeles Eagle Rock 213 Comment
  UC854364  Paeonia californica I. W. Clokey and E. G. Anderson 1931-3-11 5339 Los Angeles San Gabriel Canyon 900 Comment
  SD237274  Panicum dichotomiflorum subsp. dichotomiflorum A. C. Sanders 2009-11-6 37210 Los Angeles South coast: Madrona Marsh, Torrance. 24 Comment
  UCR2614  Panicum miliaceum F. M. Reed 1929-7-30 6545 Los Angeles San Gabriel Valley, Foothill Boulevard, NW of Claremont 274 Comment
  LA29189  Papaver californicum Mary V. Hood; 1944-5-7 44 28 k* Los Angeles Santa Monica Mountains, Top of grade above Monte Nido 304 Comment
  UCR190617  Papaver californicum R. G. Swinney 2000-5-20 7696 Los Angeles San Gabriel Mtns., NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39 905 Comment
  CAS-BOT-BC403915  Parietaria hespera Martin A. Piehl 1962-6-10 62391 Los Angeles California Islands. Canyon east of Thirst. San Clemente Island 304 Comment
  POM264764  Parietaria hespera var. hespera Louis C. Wheeler 1933-5-5 1703 Los Angeles San Gabriel Mountains, 1/4 mi. below falls in Fish Canyon 396 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
  RSA722933  Parthenocissus vitacea R. E. Riefner 2007-5-27 7 -219 Los Angeles Near El Monte, vicinity of Whittier Narrows Nature Center, floodplain of San Gabriel River at Peck St. (NAD 83) 69 Comment
  UCR118161  Paspalum dilatatum Scott D. White 1997-5-8 5069 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  SEINET11684736  Paspalum dilatatum Unknown 1979-1 914 Los Angeles Culver City near the Ramada Inn, ca 1.5 mi N of LAX [Los Angeles Airport] Comment
  UCR95371  Pectocarya anisocarpa T. S. Ross 1995-4-7 8350 Los Angeles 'Old Ridge Route': 3.95 mi north of its junction with Lake Hughes Road, west of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon. 631 Comment
  RSA708521  Pectocarya linearis Scott D. White, Brian Leatherman 2005-3-18 10792 Los Angeles City of Glendora, South Hills, just north of the I-210 Freeway. Ca. 0.3 air mi ENE of the I-210 / Sunflower intersection. 305 Comment
  UC284211  Pectocarya linearis subsp. ferocula P. A. Munz 1923-4-9 6690 Los Angeles San Clemente Island, Lemon Tank Comment
  RSA0091360  Pectocarya penicillata R. G. Swinney 2011-4-1 14299 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA518002  Pectocarya penicillata Steve Boyd 1986-3-31 1529 Los Angeles Mojave Desert: Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA586448  Pectocarya penicillata Orlando Mistretta 1995-2-28 1519 Los Angeles Carr Canyon 1012 Comment
  RSA589185  Pectocarya recurvata T. S. Ross 1991-4-28 4738 Los Angeles Black Butte, Southeasterly finger of the butte. 930 Comment
  IRVC29541  Pectocarya setosa A. C. Sanders 2003-4-29 26166 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  RSA595811  Pectocarya setosa L. C. Wheeler 1967-5-9 9378 Los Angeles Aliso Canyon, east of Acton, ca. 1 mi. downstream from Wagon Wheel Ranch. 1067 Comment
  RSA549511  Pedicularis semibarbata Tim S. Ross, Steve D. Boyd 1990-6-18 3465 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake 1878 Comment
  SD82880  Pedicularis semibarbata Robert F. Thorne, M. Z. Thorne 1969-7-9 38547 Los Angeles San Gabriel Mts., Angeles National Forest: summit of Table Mt. above Big Pines Ranger Station 2133 Comment
  CATA3073  Pellaea andromedifolia Amy Catalano 2016-4-22 082 Los Angeles Santa Catalina Island: South side of Middle Ranch Road, on knob between entrance to Quail Valley and bump gate on west side of Middle Ranch 144 Comment
  UC535314  Pellaea andromedifolia Ira W. Clokey, B. Templeton May 1929 4536 Los Angeles Mandeville Canyon; Santa Monica Mts 450 Comment
  POM6791  Pellaea andromedifolia var. andromedifolia O. Kenney 1885-05 s.n. Los Angeles Near Pasadena Comment
  CAS-BOT-BC67582  Pellaea mucronata Parish 1901-3-24 3644 Los Angeles Rubio Wash Comment
  RSA686907  Pellaea mucronata Richard C. Barkelew 1929-4-17 s.n. Los Angeles Mulholland Highlands, Los Angeles Comment
  RSA679997  Pellaea mucronata subsp. californica LeRoy Gross, Michael Denslow 2003-6-4 985 Los Angeles Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. 1921 Comment
  SFV66  Pellaea mucronata var. californica K. A. Wilson 1962-5-12 1282 Los Angeles Mojave Desert Antelope Valley. Valyermo Road, 2 miles southeast of 131st St. East in Pearblossom. 1070 Comment
  CATA3538  Pennisetum setaceum Benjamin J. Dion, Morgan Fleming 2018-5-11 006 Los Angeles Santa Catalina Island: Channel side; Landfill; roadside between road and steep rockface above the road at the landfill / city dump in the East End Quarry watershed. 77 Comment
  RSA226977  Penstemon caesius Robert F. Thorne 1971-8-25 41251 Los Angeles San Gabriel Mountains, Angeles National Forest: Summit of Throop Peak 2784 Comment
  RSA310139  Penstemon caesius Wayen E. Sawyer 1980-7-9 8 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Highway 2 between Dawson Saddle and Vincent Gap, 1.3 mile from Dawson Saddle. 2348 Comment
  RSA0061134  Penstemon centranthifolius LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6839 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA578331  Penstemon centranthifolius Tim S. Ross, Steve D. Boyd 1994-5-4 7648 Los Angeles East side of Grass Mountain: slope of southeasterly exposure, 420 m ENE of the main summit. 1346 Comment
  SEINET10333242  Penstemon grinnellii James Henrickson 1973-5-12 9595 Los Angeles 6 air miles SE of Pearblossom, 4.6 road miles S of Llano in lower portion of Bob's Gap along 165 St 1234 Comment
  RSA17072  Penstemon grinnellii subsp. grinnellii Carl B. Wolf 1936-5-27 7840 Los Angeles Indian Canyon Camp, 2 mi off Soledad Canyon 915 Comment
  SD125718  Penstemon heterophyllus var. australis K. Harper 1986-5-17 Los Angeles Bouquet Canyon Rd. just W of Spundy Canyon Rd., E of Bouquet Reservoir, near road Comment
  CAS-BOT-BC239137  Penstemon incertus S. B. Parish 1914-5-28 9270 Los Angeles Mojave, Mojave Desert Comment
  POM156330  Penstemon labrosus L. R. Abrams 1902-6-30 2606 Los Angeles San Gabriel Mountains: Mt. Wilson. Comment
  RSA597378  Penstemon rostriflorus Tim S. Ross, Peter Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3706 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA424043  Penstemon rostriflorus C. R. Parks 1965-8-8 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest: State Highway 2, at Whitehorn Picnic Area, ca. 1 mile east of Dawson Saddle 2287 Comment
  RSA0036214  Penstemon spectabilis Fran Dourisboure 1966-5-10 s.n. Los Angeles San Rafael (Raphael on sheet) Mountains. 213 Comment
  RSA226542  Penstemon spectabilis C. W. Tilforth 1969-8-5 232 Los Angeles Vacant natural area N of Claremont. Comment
  RSA650003  Penstemon spectabilis subsp. subviscosus K. M. Kosak 1961-4-23 s.n. Los Angeles Fish Canyon, N. Duarte Comment
  RSA79860  Penstemon spectabilis subsp. subviscosus F. W. Peirson 1920-4-28 206 Los Angeles San Anita Wash, south base of San Gabriel Mountains. 213 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
  SD37455  Penstemon spectabilis var. subviscosus Edith A. Purer 1931-3-5 1557 Los Angeles Griffith Park, hillsides Comment
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Jun 9 2016
  RSA0070768  Pentagramma triangularis Ron Martinolich 1991-5-16 79 Los Angeles Los Angeles, Griffith Park, Bee Rock Trail, from trailhead of lower, eastern end, west along trail about 0.4-0.5 mile, at sharp left turn south, on bank west of trail. Comment
  LA94193  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-6 1648 Los Angeles SANTA MONICA MOUNTAINS, [San] Nicholas Canyon, ca 1 mi. from canyon mouth. 182 Comment
  UC1586221  Perideridia parishii subsp. latifolia Tim Ross 1991-8-16 5842 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' quad. 1719 Comment
  CAS-BOT-BC73771  Peritoma arborea var. arborea Alice Eastwood 1917-7-20 6446 Los Angeles Santa Catalina Island - south of Wilson's Harbor Comment
  CAS-BOT-BC73732  Peritoma arborea var. globosa LeRoy Abrams 1902-6-10 2509 Los Angeles Playa del Rey Comment
  RSA471842  Perityle emoryi C. Epling 1931-5-12 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mtns. Comment
  HSC47177  Perityle emoryi M. B. Dunkle 7431 Los Angeles Santa Barbara Island Comment
  CAS-BOT-BC418872  Persicaria hydropiperoides Le Roy Abrams 1901-8-1 2187 Los Angeles Ballona Creek Comment
  CAS-BOT-BC167755  Petalonyx thurberi Carl B. Wolf 1932-10-19 4350 Los Angeles Mint Canyon. 8 mi. above Saugus 426 Comment
  RSA578117  Petalonyx thurberi subsp. thurberi Tim S. Ross, Steve D. Boyd 1994-9-20 8236 Los Angeles 2 miles NW of Acton: sandy wash, S side of intersection Escondido Canyon Road and Red Rover Mine Road. 884 Comment
  SFV17084  Petroselinum crispum J. N. Hogue Jul 1997 s. n. Los Angeles Los Angeles, Eagle Rock. 152 Comment
  LA81956  Phacelia brachyloba Henry J. Thompson; 1960-5-14 3060 Los Angeles Santa Monica Mountains, 1 mi E of Saddle Peak 731 Comment
  UCR256572  Phacelia brachyloba Anuja Parikh, Nathan Gale 2011-6-27 3513 Los Angeles Transverse Ranage; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.1 km SW of Shortcut Station, 0.5 km north of State Hwy 2, Angeles Crest Hwy 1277 Comment
  RSA427575  Phacelia brachyloba Robin S. Collins 1973-5-28 313 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon 762 Comment
  SFV3016  Phacelia cicutaria C. Gasser 1956-5-6 s. n. Los Angeles Santa Monica Mountains Beverly Glen Blvd. near Deevale Drive. Comment
  RSA0069875  Phacelia cicutaria var. hispida R. G. Swinney 2010-3-24 12090 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR260349  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-4 12560 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
  UCR271983  Phacelia cicutaria var. hispida R. G. Swinney 2011-5-31 14897 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  HSC104219  Phacelia cryptantha R. G. Swinney 2009-4-24 10438 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA756796  Phacelia cryptantha Orlando Mistretta, Christine Mistretta 2008-4-21 2512 Los Angeles Southern California Edison transmission line tower (Segment 6, Structure 42 per TRTP Survey 2008), vicinity of Mill Creek. 1425 Comment
  POM4499  Phacelia davidsonii D. L. Crawford 1915-6-30 559 Los Angeles Mts above Claremont 1524 Comment
  RSA585316  Phacelia davidsonii Tim S. Ross 1991-4-27 4649 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
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Dec 31 2018
  RSA632443  Phacelia davidsonii Louis C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mountains: East fork Kentucky Springs Canyon 1280 Comment
  RSA0077089  Phacelia distans R. G. Swinney 2010-4-1 12125 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA426227  Phacelia distans Jack Rempel 1932-4-24 s.n. Los Angeles El Segundo. Comment
  RSA730247  Phacelia distans R. G. Swinney 1999-6-5 7267 Los Angeles San Gabriel Mtns.: ridge extending west from Big John Peak, above Big John Flat 1799 Comment
  UC1979848  Phacelia distans James Henrickson, R. F. Thorne 1963-5-5 32311 Los Angeles Cobal Canyon, foothills of the San Gabriel Mountains, ca. 4 miles north of Claremont. Comment
  RSA426233  Phacelia distans Robert Gustafson 1978-5-2 928 Los Angeles Off the dirt road running through the southern part of Hungry Valley, northeast of the Lane Ranch, near the base of Freeman Canyon, about 4 miles south of Gorman 1006 Comment
  RSA602197  Phacelia distans R. S. Woglum 1930-4-28 s.n. Los Angeles Glendora Comment
  UC57028  Phacelia distans Geo. B. Grant April, 1902 4061 Los Angeles near Pasadena; Altadena Comment
  JEPS2329  Phacelia douglasii W. L. Jepson 1935-4-17 17049 Los Angeles 6 1/2 mi w Lancaster; w. Mohave Desert 731 Comment
  RSA151248  Phacelia floribunda Peter H. Raven 1962-7-12 18037 Los Angeles West end of Northwest Harbor; San Clemente Island. 15 Comment
  RSA421523  Phacelia fremontii Anstruther Davidson 1923-6-1 s.n. Los Angeles [Unspecified] Comment
  UC1400400  Phacelia fremontii Robert F. Thorne and C. W. Tilforth, et al. 1972-6-29 42101 Los Angeles on road from Jackson Lake ca. 2 mi se Valyermo; San Gabriel Mts., Angeles National Forest 1432 Comment
  RSA199038  Phacelia grandiflora W. M. Gauntt 1966-4-30 180 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 915 Comment
  RSA594899  Phacelia grandiflora Fred M. Roberts 1995-5-19 4942 Los Angeles Santa Ana Mtns: San Juan Canyon, S of route 74, 1.8 km WSW Lowe San Juan Picnic Ground. 366 Comment
  CAS-BOT-BC6871  Phacelia hispida var. eximia Fordyce Grinnell 1903-12-31 109 Los Angeles Santa Anita Canyon, Mt. Wilson Trail Comment
  RSA746417  Phacelia imbricata R. G. Swinney 2008-5-13 8857 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  RSA293602  Phacelia imbricata subsp. imbricata Lyman Benson 1945-6-5 11771 Los Angeles Cold Spring, 2 1/2 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mt. Range 1372 Comment
  UCR204816  Phacelia longipes R. G. Swinney 2005-8-22 8518 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  SD72782  Phacelia lyonii F. R. Fosberg 1931-5-4 S 4749 Los Angeles Santa Catalina Island, Middle Ranch Canyon, Below Eagles Nest, by roadside Comment
  UC1432905  Phacelia lyonii Reid Moran, R. M. Beauchamp, and T. Oberbauer 1975-8-23 22696 Los Angeles above confluence of Iwo Jima Gulch; San Clemente Island, China Canyon 200 Comment
  CHSC95423  Phacelia minor LeRoy Gross 2005-4-28 2169 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.Than dropped off reidge into canyon bottom back to origin. 1324 Comment
  RSA428064  Phacelia minor Howard Mullins 1931-4-15 s.n. Los Angeles Griffith Park Comment
  RSA0055023  Phacelia minor Jim Shevock 1970-3-8 28 Los Angeles Foothills of San Gabriel Mountains, above Sylmar. 335 Comment
  RSA226951  Phacelia mohavensis Robert F. Thorne 1971-8-25 41267 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring on NW slope of Mt. Hawkins. Comment
  UC1375403  Phacelia mohavensis Robert F. Thorne and C. W. Tilforth 1971-6-30 40829 Los Angeles sandy creek bank 1.8 mi below Alder Saddle (in Pinyon Flats area); San Gabriel Mts., Angeles National Forest, S Fork of Little Comment
  CAS-BOT-BC154350  Phacelia stellaris McClatchie 1897-3-20 1347 Los Angeles near Redondo Comment
  LA38546  Phacelia tanacetifolia Carl Epling; 1926-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  LA38549  Phacelia tanacetifolia Carl Epling; 1925-5-15 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA133784  Phacelia viscida H. J. Thompson 1959-4-12 1921 Los Angeles Santa Monica Mountains: 2 miles west of Las Virgenes Road, Mulholland Highway. 305 Comment
  SD69576  Phalaris canariensis Robert F. Thorne 1966-6-1 36481 Los Angeles Santa Catalina Island, roadside weed opposite Bird Park, Avalon 29 Comment
  CAS-BOT-BC259056  Phalaris lemmonii A. J. McClatchie 1897-4-12 s.n. Los Angeles Near Compton Comment
  RSA251542  Phalaris lemmonii R. F. Thorne 1973-4-12 42957 Los Angeles San Clemente Island, south of Pyramid Cove near Silver Mine, bottom of old bomb crater. 30 Comment
  SBBG57138  Phalaris minor M. N. Ackley -May-1928 37 Los Angeles southwest flats, Los Angeles 38 Comment
  RSA435568  Pholisma arenarium Bonnie C. Templeton 1946-4-30 6792 Los Angeles Near Little Rock, Los Angeles county. Comment
  CATA383  Pholistoma auritum Mark L. Hoefs 1974-5-1 443 Los Angeles Santa Catalina Island: Upper Renton Mine Road 182 Comment
  SBBG95894  Pholistoma racemosum M. B. Dunkle 1939-4-3 7219 Los Angeles Chenetti Cyn Gorge Comment
  RSA0087088  Phoradendron bolleanum R. G. Swinney 2010-6-1 13084 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1067 Comment
  SD215686  Phoradendron bolleanum Timothy S. Ross, Steve Boyd & Peter W. Fritsch 1990-6-11 3388 Los Angeles Little Rock Creek: Joshua Tree Campground on the southwest side of Little Rock Reservoir; Pacifico Mountain 7.5' USGS topo sheet 997 Comment
  SBBG61540  Phoradendron leucarpum subsp. tomentosum R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  SEINET10327435  Phoradendron serotinum subsp. tomentosum G. B. Grant, W. Wheeler 1904-5-17 979 /6243 Los Angeles Mount Wilson, Pasadena. 1524 Comment
  RSA0116192  Phoradendron tomentosum subsp. tomentosum R. G. Swinney 2011-10-13 15804 Los Angeles San Gabriel Mountains; Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2. 1622 Comment
  RSA576771  Phoradendron villosum Vanessa Ashworth, Nigel Boyle 1995-1-28 84 Los Angeles Cow Canyon Saddle above Baldy Village. 1380 Comment
  UC1137492  Phoradendron villosum Jerome S. Horton 1936-10-28 422 Los Angeles n. side Fern Canyon; San Dimas Exp. Forest, Fern Watershed, Pomona Quad. 1554 Comment
  POM219187  Physalis acutifolia Louis C. Wheeler 1932-8-29 1308 Los Angeles 2 miles northeast of La Verne. 373 Comment
  UC1004312  Pickeringia montana var. montana J. Warren 1952-5-27 Los Angeles Las Flores Canyon; roadcut 457 Comment
  UCSB33656  Pinus attenuata Miller, Brian 1960-07 Los Angeles Switzer's Inlet 914 Comment
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Jun 22 2015
  RSA0020600  Pinus coulteri R. G. Swinney 2009-7-29 11408 .5 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SEINET3562271 Image available Pinus coulteri Walter Schlaer 1965-11-7 s.n. Los Angeles Charlton Picnic Area, 10 miles northeast of Pasadena, Angeles National Forest. 1646 Comment
  RSA590859  Pinus halepensis T. S. Ross, Angelika Brinkmann-Busi 1992-3-28 6056 Los Angeles Palos Verdes Peninsula: Palos Verdes Estates: Bluff Cove. Redondo Beach USGS 7.5' quad. Comment
  UCR132336  Pinus halepensis John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
  RSA384350  Pinus lambertiana F. R. Fosberg 1931-8-13 S 5677 Los Angeles Islip - Hawkins divide 2300 Comment
  POM122853  Pinus monophylla Marcus E. Jones 1926-6-7 s.n. Los Angeles Ridge Route. Comment
  RSA605500  Pinus monophylla L. C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge. 1494 Comment
  LA6147  Pinus ponderosa Joseph Andorfer Ewan; 1932-5-29 sn Los Angeles San Gabriel Mountains, summit Mount Gleason 1889 Comment
  RSA651151  Pinus ponderosa Thomas Seerley 1948-2-22 sn Los Angeles San Gabriel Mountains, Glendora. 762 Comment
  SEINET10530875  Pinus torreyana Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4820 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
  UCR206494  Pistacia chinensis A. C. Sanders, T. B. Salvato 2009-5-21 36903 Los Angeles San Gabriel Valley, Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines 66 Comment
  CAS-BOT-BC183849  Plagiobothrys acanthocarpus Tim Ross 1993-4-22 6895 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); 1200 m ESE of Cactus Peak summit; SE slope of 1528-foot peak, not far below its summit 455 Comment
  UCR186576  Plagiobothrys arizonicus A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32216 Los Angeles Tehachapi Mtns. Foothills, hills immediately NW of Quail Lake, vicinity of Benchmark 3562/Quail 1098 Comment
  RSA708541  Plagiobothrys canescens Scott D. White, Brian Leatherman 2005-3-18 10801 Los Angeles City of Glendora, South Hills, just north of the I-210 Freeway. Ca. 0.3 air mi ENE of the I-210 / Sunflower intersection. 305 Comment
  UCR143221  Plagiobothrys canescens George B. Grant, Walter Wheeler (6159) 1904-4-23 996 Los Angeles Channel islands, Santa Catalina Island 488 Comment
  RSA592415  Plantago coronopus Mark Hoefs 1974-5-2 453 Los Angeles Santa Catalina Island. dry reservoir margin by road above Parson's Landing 30 Comment
  SBBG113077  Plantago erecta S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-5-2 SCa 626 Los Angeles rd to East Pk, just SW of Pk 1245, ca. 0.85 air mi NW of East Pk 347 Comment
  UCR149473  Plantago erecta Valerie Soza, Et al. 2000-5-18 942 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon 655 Comment
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Jul 26 2010
  POM4539  Plantago erecta E. L. Brown 1894-05 s.n. Los Angeles Elysian Park Comment
  RSA401974A  Plantago erecta Samuel R. Tyson 1943-4-2 s.n. Los Angeles San Dimas Canyon. 442 Comment
  UC284745  Plantago erecta P. A. Munz 1923-4-10 6752 Los Angeles s of Lemon Tank (w coast of San Clemente Island); San Clemente Island Comment
  UCR199943  Plantago indica Scott D. White, Justin Wood 2008-5-19 12017 Los Angeles Los Angeles Basin, Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Ave. and 605 freeway. SCE powerline corridor 70 Comment
  UCR216563  Plantago indica Dan S. Cooper 2010-6-15 610- 64 A Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Forest Lawn Drive west of Griffith Park 163 Comment
  UCR206136  Plantago lanceolata R. G. Swinney 2008-6-2 8919 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
  HSC16849  Plantago major C. E. Fellows 1965-8-22 115 Los Angeles Big Tujunga Canyon, 1.8 mi. E of Rim Canyon Rd. on Mt. Gleason Ave., NE on side road 1.3 mi. Comment
  RSA0021520  Plantago major Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5150 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA638921  Plantago major Louis C. Wheeler 1946-8-27 6254 Los Angeles San Gabriel Mountains: Sandrock Creek at Pear Blossom Highway, near confluence of Sandrock Creek and Big Rock Creek; 1/4 mile southeast of Big Rock Patrol Station. 1113 Comment
  UC28015  Plantago major J. Burtt Davy Oct 1896 2876 Los Angeles Pomona Comment
  RSA251452  Plantago ovata var. insularis Robert F. Thorne 1966-4-16 36037 Los Angeles San Clemente Island, 2/3 mile SSE of Eel point and N of seal Cove, SW side of island. 30 Comment
  RSA382863  Platanthera leucostachys Louis E. Hoffman 1932-8-14 s.n. Los Angeles Mt. Islip, Angeles National Forest. 2439 Comment
  SEINET998822  Platanthera sparsiflora R. G. Swinney 1997-1 Los Angeles Comment
  CAS-BOT-BC93176  Platanus racemosa Geo. B. Grant 1904-4-16 1007 Los Angeles Los Angeles. Comment
  UCR249910  Platanus racemosa Mark A. Elvin, Tarja Sagar 2013-5-31 7153 Los Angeles Western Transverse Ranges: Santa Monica Mountains, along Malibu Canyon Road south of tunnel, in main drainage and tributaries 168 Comment
  RSA592262  Platystemon californicus Louis C. Wheeler 1967-5-12 9483 Los Angeles San Gabriel Mountains. ca. 300 m northeast of summit 4183, east of Vincent. 1235 Comment
  SEINET3124163 Image available Platystemon californicus P. C. Everett 1935-5-11 6867 Los Angeles San Fernando Valley. SW. corner of Laurel Canyon Road and Brand Avenue 340 Comment
  UC520025  Platystemon californicus Joseph Andorfer Ewan 1932-5-19 7535 Los Angeles Playa del Rey Comment
  RSA445705  Platystemon californicus Frances M. Morey 1922-4-14 s.n. Los Angeles Culver City. Comment
  RSA751417  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09 -118 Los Angeles City of Malibu, vicinity of La Piedra State Beach. 3 Comment
  POM121866  Plectritis ciliosa subsp. insignis Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  RSA484173  Poa annua Geo. L. Moxley 1919-4-5 687 Los Angeles Exposition Park Comment
  SBBG130569  Poa annua S. A. Junak 2000-4-1 SCa 1156 Los Angeles Cherry Valley, just inland from main rd, along trail 60 Comment
  UCR179725  Poa pratensis R. G. Swinney, Dave Larson 1996-7-17 5149 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  CAS-BOT-BC237684  Poa secunda Timothy S. Ross; Steve Boyd 1994-5-11 7820 Los Angeles Liebre Mountains. Sawmill Mountain: W summit area ca 260-350 m SE of Sawmill Campground 1621 Comment
  SBBG128378  Poa secunda subsp. secunda M. L. Hoefs 1991-4-7 1044 Los Angeles upper Avalon Cyn, above Wrigley Memorial and Garden, near rd to Divide 326 Comment
  UC1713250  Poa secunda subsp. secunda I. M. Johnston 1917-6-20 1355 Los Angeles USFS Lookout; San Antonio Mts 1828 Comment
  UC589655  Poa secunda subsp. secunda Nell Murbarger April 1936 139 Los Angeles San Clemente Isl Comment
  RSA616148  Polycarpon tetraphyllum Valerie L. Soza 1998-5-3 98 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 411 Comment
  SFV20887  Polycarpon tetraphyllum L. Gross, B. Hogshead, V. Soza 2003-5-29 961 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
  UCR131390  Polycarpon tetraphyllum Alison Lipman 1998-7-2 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  RSA286762  Polycarpon tetraphyllum R. F. Thorne 1974-6-3 44688 Los Angeles Claremont, at 1010 Northwestern Drive 335 Comment
  RSA332056  Polygonum arenastrum Wayne E. Sawyer 1981-7-18 101 Los Angeles SAN GABRIEL MTNS., ANGELES NATIONAL FOREST: CA Hwy 2 between Dawson Saddle and junction of CA Hwy 39, 1.6 mi. from Dawson Saddle. 2302 Comment
  RSA669282  Polygonum aviculare LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 552 Los Angeles Transverse Ranges; Verdugo Mountains region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 425 Comment
  UCR246494  Polygonum hydropiperoides Dan S. Cooper 2011-7-23 711- 90 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA466340  Polygonum lapathifolium F. A. Warf 1934-8-14 12533 Los Angeles Culver City. Comment
  CAS-BOT-BC71878  Polypodium californicum Dr. Barton W. Evermann 1915-3-25 s.n. Los Angeles San Clemente Isl. Comment
  LA94055  Polypodium californicum Lawrence L. Kiefer; 1966-3-6 1646 Los Angeles SANTA MONICA MOUNTAINS, San Nicholas Canyon, ca 0.75 mi from canyon mouth. 152 Comment
  UCR208115  Polypodium californicum M. B. Dunkle 1939-4-4 7248 Los Angeles Channel Islands, Chenetti Canyon, San Clemente Island Comment
  UCR219568  Polypodium californicum R. G. Swinney 2009-3-28 10203 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  UCSB62298  Polypodium californicum Kiefer, Lawrence 1966-11-11 Los Angeles San Gabriel Mtns., E fork of the San Gabriel River, Heaton Flat 609 Comment
  UCSB62311  Polypodium californicum Kiefer, Lawrence 1967-2-18 Los Angeles San Gabriel Mtns., N of Pasadena, Fall Creek, tributary of Big Tujunga Canyon, ca. 0.75mi downstream from the point where US Forest Service Road 3N27 crosses, occurring again only towards the bottom of the canyon 1097 Comment
  UCR187241  Polypogon interruptus A. C. Sanders 2006-5-16 32330 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake 991 Comment
  RSA600146  Polypogon maritimus Steve Boyd, Lauren Raz 1997-5-6 9737 B Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  CLARK-A1528-4842  Polypogon semiverticillatus John C. Roos 1942-9-12 1718 Los Angeles Westwood Comment
  SBBG109150  Polypogon viridis S. A. Junak 1997-10-20 SCl 970 Los Angeles N end of beach at mouth of Thirst Cyn 3 Comment
  SEINET7079224  Populus fremontii F. Johnson 1959-4-9 s.n. Los Angeles Near Castaic Junction on U.S. 99. Specimen formerly from the College of Forestry Herbarium, University of Idaho Number 5036. 305 Comment
  UCR259615  Potamogeton amplifolius R. G. Swinney 2010-9-7 13707 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR113661  Potamogeton foliosus LeRoy Gross 1998-10-16 90 Los Angeles San Gabiel Mtns, Base of mtns. Tujunga Ponds. west of 210 freeway in Big Tujunga Wash, city of Sunland. 366 Comment
  UCR124472  Potentilla glandulosa subsp. nevadensis B. C. Templeton 1932-7-20 5014 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  SD42009  Prunus fasciculata Darley F. Howe 1947-5-6 Los Angeles North face of San Gabriel Mountains. Comment
  UCD113456  Prunus fasciculata Daryl Koutnik; Bruce Holguin 1978-4-1 224 Los Angeles Northwest of Palmdale on Elizabeth Lake Road. 914 Comment
  RSA123185  Prunus fasciculata var. fasciculata H. S. Yates 1936-4-6 5404 Los Angeles Near Valgerma [Valyermo?]. 1372 Comment
  RSA586349  Prunus fasciculata var. fasciculata Orlando Mistretta 1995-3-17 1546 Los Angeles Slopes northwest of Little Rock Reservoir, on Emma section of Little Rock Creek Management Unit. 1128 Comment
  RSA594854  Prunus ilicifolia Steve D. Boyd, Lauren Raz 1996-10-8 8983 Los Angeles Liebre Mountains region, Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 610 Comment
  UCR277391  Prunus ilicifolia R. G. Swinney 2010-6-1 13161 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
  UC1552007  Prunus ilicifolia subsp. lyonii Lyman Benson 1953-5-2 15101 Los Angeles Hills n of Swain Canyon (near Whites Landing, Santa Catalina Island); Santa Catalina Island 182 Comment
  RSA549500  Prunus virginiana var. demissa Tim S. Ross, Steve D. Boyd 1990-6-18 3486 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  UCR182124  Prunus virginiana var. demissa R. G. Swinney 1997-6-19 5624 Los Angeles San Gabriel Mtns., Jackson Lake, west of Wrightwood 1872 Comment
  RSA188215  Pseudognaphalium biolettii R. F. Thorne, P. Everett 1965-6-22 34873 Los Angeles Santa Catalina Island: canyon behind Bird Park 91 Comment
  UC792405  Pseudognaphalium biolettii Ira L. Wiggins 1949-2-21 11957 Los Angeles Wilson's Cove San Clemente Island, Wilson's Cove Comment
  CAS-BOT-BC356547  Pseudognaphalium biolettii Louis Wheeler 1931-9-11 136 Los Angeles Thompson Wash near La Verne 373 Comment
  POM358746  Pseudognaphalium biolettii E. S. Spalding 1924-4-27 s.n. Los Angeles Western & Vermont [Los Angeles] Comment
  RSA0115742  Pseudognaphalium biolettii Steven A. Junak 1999-5-22 SCa- 1003 Los Angeles Santa Catalina Island. At end of Goat Harbor, W fork of canyon. 54 Comment
  JEPS30643  Pseudognaphalium californicum Henry J. Thompson and Peter H. Raven 1959-6-4 14326 Los Angeles behind point Point Dume; Santa Monica Mountains, Point Dume 45 Comment
  RSA0069423  Pseudognaphalium californicum R. G. Swinney 2010-3-10 11801 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  POM358726  Pseudognaphalium stramineum F. R. Fosberg 1930-6-23 2946 Los Angeles Del Rey. 1 Comment
  SBBG31439  Pseudognaphalium stramineum R. F. Thorne 1966-4-6 35915 a Los Angeles W of Empire Landing 91 Comment
  RSA597135  Pseudotsuga macrocarpa L. C. Wheeler 1961-6-12 7867 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 1052 Comment
  RSA650249  Pseudotsuga macrocarpa J. A. Harpel 1974-5-18 s.n. Los Angeles Near Big Rock Cr. C.G., on Rd. 8W04, Angeles Nat. For. 1372 Comment
  UCR61048  Psoralea macrostachya R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon. Morgan Canyon, near spring west of Morgan Canyon debris basin 366 Comment
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Oct 4 2020
  RSA584883  Pteridium aquilinum var. pubescens T. S. Ross, Steve Boyd 1990-6-1 2782 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  CATA866  Pterostegia drymarioides Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1675 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  RSA657015  Pterostegia drymarioides Joseph M. Keefe 2001-1-19 31000 Los Angeles Big Tujunga Wash, 300 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 384 Comment
  SBBG13288  Pterostegia drymarioides M. A. Piehl 1962-6-9 62345 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  UCR186749  Pterostegia drymarioides T. B. Salvato, Sandra Murcia 2007-3-28 2005 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
  RSA533980  Pterostegia drymarioides Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5192 Los Angeles San Clemente Island, upper Twin Dams Canyon 434 Comment
  UCR125146  Pulicaria paludosa A. C. Sanders, Mark Elvin 2002-6-25 25289 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  PASA1189  Purshia tridentata Stason 1931-5-9 Los Angeles Canyon near Willow Springs Comment
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Apr 30 2015
  UC1128517  Purshia tridentata var. glandulosa G. T. Nordstrom 1935-1-24 318 Los Angeles 3 mi ssw Gorman; Tejon Quad. 1036 Comment
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May 8 2009
  SEINET10923918  Pyrus communis Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2578 A Los Angeles City of San Gabriel. Hawaii Supermarket, 120 E. Valley. Comment
  CAS-BOT-BC45778  Quercus Tim Ross 1993-4-22 6915 Los Angeles Santa Catalina Island, SW part of the island in Bullrush Canyon; along old dirt road (no longer maintained) 243 Comment
  UC993207  Quercus J. M. Tucker 1948-9-26 1880 Los Angeles 9.6 mi e Gorman (beside Highway 138) Comment
  UC128897  Quercus X macdonaldii H. M. Hall 1908-6-15 8276 Los Angeles Hay Press Spring Santa Catalina Island Comment
  RSA0014961  Quercus agrifolia Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11691 -A Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservancy reserve lands. Comment
  UCSB34876  Quercus agrifolia R. Lloyd 1959-3-24 82 Los Angeles 10 MI N OF CASTAIC ON US HWY 99 OAK FLATS FIRE STATION 822 Comment
  LA200034  Quercus berberidifolia A. M. Johnson; 1934-4-20 4434 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  LA202225  Quercus berberidifolia Sharon Johnston; 1957-3-3 6 Los Angeles 243 Comment
  LA97391  Quercus berberidifolia Kei Nakai; 1976-4-7 TCSP 4 4 76 Los Angeles 243 Comment
  RSA653519  Quercus berberidifolia LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 280 Los Angeles Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet 610 Comment
  UCR230266  Quercus berberidifolia Dan S. Cooper 2011-3-28 311- 22 Los Angeles Industry Hills, S of Temple Ave., La Puente 177 Comment
  RSA476879  Quercus chrysolepis Blanche Trask 1900-04 d.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UC1746091  Quercus chrysolepis Annetta M. Carter, Arthur Carter 1935-9-12 976 Los Angeles Chilao (Chellea). San Gabriel Mtns. 1630 Comment
  UC57497  Quercus chrysolepis J. H. Barber 1897-6-30 228 Los Angeles Pierson's Mine San Gabriel Mts., Aliso Canyon Comment
  RSA0112847  Quercus chrysolepis Steven A. Junak 1999-5-8 SCa- 916 Los Angeles Santa Catalina Island. Fern Canyon, Cottonwood watershed, just upstream from fenceline. Next to creek. Comment
  POM270272  Quercus douglasii Lyman Benson 1946-9-7 12222 Los Angeles 55 miles south of Bakersfield on US Hwy 101. 762 Comment
  CAS-BOT-BC86356  Quercus dumosa Ernest Braunton 1902-8-1 640 Los Angeles Griffith Park Comment
  CHSC96047  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 311 Los Angeles Verdugo Mountains: Beaudry fire road northwest of Radio Towers, ridge top above Engleheard Canyon, pass saddle with antennas. 792 Comment
  UC1870296  Quercus durata var. gabrielensis LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 278 Los Angeles Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. 609 Comment
  OBI2782  Quercus engelmannii L. Enari 1969-7-24 s.n. Los Angeles Arcadia, Talac Knoll, Los Angeles State & County arboretum Comment
  RSA533066  Quercus engelmannii Lyman Benson 1947-5-2 12352 Los Angeles Indian Hill, Claremont. 427 Comment
  RSA608711  Quercus engelmannii Louis C. Wheeler 1931-3-30 s.n. Los Angeles Claremont: College Way. Comment
  POM270725  Quercus john-tuckeri Lyman Benson 1946-11-21 12244 Los Angeles 5 miles east of Big Pine 1311 Comment
  RSA597118  Quercus john-tuckeri Tim S. Ross 1990-6-22 3711 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  UCR129922  Quercus john-tuckeri Orlando Mistretta 1994-9-21 1482 Los Angeles San Gabriel Mtns, Santiago Canyon. At junction of Forest Service Road 4N20 with Santiago Creek 1220 Comment
  UCSB34818  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles 5 miles north of Oak Flats Fire Station at upper end of Piru Gorge, West side of U.S. Hwy. 99; Tehachapi Mts., approx. 15 miles north of Castaic 701 Comment
  CAS-BOT-BC105248  Quercus kelloggii Carl Epling; Nesta Dunn; Alice Goen 1931-5-16 s.n. Los Angeles San Gabriel Mts. Big Pines Camp Comment
  RSA0040206  Quercus kelloggii Orlando Mistretta 1992-5-16 2 Los Angeles Vicinity of Big Pines; head of Swarthout Valley; Mountain High Ski area Comment
  SD69579  Quercus pacifica Robert F. Thorne 1966-9-15 36701 Los Angeles Santa Catalina Island, in Cape Canyon near small reservoir 320 Comment
  SBBG43937  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  SDSU6988  Quercus tomentella R. M. Beauchamp 1967-3-18 275 Los Angeles In canyon below Lemon Tank, San Clemente Island. Comment
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Oct 13 2011
  UC1594420  Quercus tomentella Tim Ross and Elizabeth Kellogg 1992-4-12 6126 A Los Angeles 110 degrees ese, 480-600 m from Vista (point) (at head of Grove Canyon); San Clemente Island, Grove Canyon 426 Comment
  POM2115  Quercus wislizeni var. frutescens I. M. Johnston 1916-11-27 s.n. Los Angeles Above Claremont. 1220 Comment
  UC92068  Rafinesquia californica T. S. Brandegee 1890-5-21 Los Angeles Santa Catalina Island Comment
  UCR256170  Rafinesquia californica R. G. Swinney 2010-3-22 12014 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  UCR265013  Rafinesquia californica Mitch Provance, Callen Huff 2009-4-28 10668 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  SBBG71869  Ranunculus hebecarpus M. N. Ackley -Apr-1928 913 Los Angeles Santa Monica Mtns 274 Comment
  UCR131451  Raphanus sativus Alison Lipman 1998-5-6 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  RSA0021485  Rhamnus californica Duncan S. Bell, Caitlin Elam 2013-7-11 5357 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  RSA640328  Rhamnus californica Louis C. Wheeler 1931-6-19 s.n. Los Angeles Base of San Gabriel Mountains: La Verne. . Comment
  CAS-BOT-BC59939  Rhamnus crocea P. C. Everett 1935-6-25 7245 Los Angeles San fernando Valley. Foothill Blvd., 7/10 mi. w. of Van Nuys Blvd. 274 Comment
  SDSU10367  Rhamnus crocea A. H. Gallup 1948-3-20 120 Los Angeles Claremont --Mills Avenue. 37 Comment
  UC1121831  Rhamnus crocea P. L. Johannsen 1934-2-8 272 Los Angeles 0.5 mi ne Saugus; Santa Susana Quad. 381 Comment
  CAS-BOT-BC55984  Rhamnus ilicifolia Le Roy Abrams 1901-4-3 1283 Los Angeles Santa Monica Mts. Comment
  CAS-BOT-BC55987  Rhamnus ilicifolia Carl B. Wolf 1928-5-11 2178 Los Angeles On Newhall Grade, just above the place where the Los Angeles aqueduct crosses highway Comment
  CAS-BOT-BC59840  Rhamnus ilicifolia Timothy S. Ross; Steve Boyd 1993-5-23 7272 Los Angeles Northerly draw draining from saddle between Red Mtn's long e. ridge and a small notched peak (3227-ft), to upper 896 Comment
  RSA0105482  Rhamnus ilicifolia R. G. Swinney 2011-3-18 14135 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA391037  Rhamnus ilicifolia C. Epling 1931-5-9 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  RSA391043  Rhamnus ilicifolia Freda Detmers 1929-2-16 14890 Los Angeles Griffith Park Comment
  RSA653466  Rhamnus ilicifolia Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 753 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 457 Comment
  RSA771593  Rhamnus ilicifolia R. G. Swinney 2009-6-2 11006 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  SBBG96869  Rhamnus ilicifolia T. Ross 1991-3-24 4310 Los Angeles Whittier Hills (Puente Hills, pro parte) 237 Comment
  UC1922244  Rhamnus ilicifolia Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1342 Los Angeles Transverse Ranges; Verdugo Mountains region; La Crescenta Valley Park, near confluence of Verdugo Wash and Cunningham Canyon 457 Comment
  UCR260801  Rhamnus ilicifolia R. G. Swinney 2010-8-9 13466 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  UCSB4035  Rhamnus ilicifolia Haller, Norman 1953-3-5 Los Angeles Faculty Hill, U.C.L.A. Comment
  RSA487438  Rhamnus pirifolia Tom Scott 1988-5-8 s.n. Los Angeles San Clemente Island: Horse Canyon Comment
  SBBG21948  Rhamnus pirifolia P. H. Raven 1962-5-20 17776 Los Angeles Avalon Cyn about 1 mi S of Avalon Comment
  SBBG39124  Rhamnus pirifolia K. K. Muller 1953-5-2 593 Los Angeles Swain Cyn above Camp Orizaba Comment
  UCD112468  Rhamnus pirifolia Carl B. Wolf 1932-10-5 4236 Los Angeles Santa Catalina Island. 1 mile from Middle Ranch on road to Black Jack Peak. 274 Comment
  SFV2140  Rhus aromatica R. L. Armacost 1933-7-4 Los Angeles San Gabriel Mountains Vasquez Rocks, near Newhall, just south of Agua Dulce. 790 Comment
  POM2713  Rhus integrifolia D. L. Crawford, Hiatt 1916-3-29 s.n. Los Angeles Santa Monica Mountains Comment
  RSA754092  Rhus integrifolia Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-10-19 NFWF- 1806 Los Angeles Lario San Gabriel River Trail Park, east of bike path on 2nd bank 180 Comment
  RSA77172  Rhus integrifolia F. W. Peirson 1925-2-22 240 Los Angeles Point Fermin Comment
  SBBG54441  Rhus ovata S. See 1956-4-9 49 Los Angeles wash, campus of Pomona College, Claremont; E end of Third St 365 Comment
  UCR200141  Rhus ovata Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 807 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 549 Comment
  RSA650229  Rhus ovata C. J. Humphrey, Herbert Humphrey, Det Whitehead 1936-6-7 204 Los Angeles In foothills, 20 miles East of Riverside. 609 Comment
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Feb 19 2013
  UC635216  Rhus trilobata Curtis Ferris 1932-3-21 78 Los Angeles Soledad Canyon Comment
  POM126419  Rhus trilobata var. pilosissima Joseph Grinnell 1903-7-30 s.n. Los Angeles Pasadena. Comment
  UC1870323  Rhynchelytrum repens LeRoy Gross, Naomi Fraga, Bill Hogshead 2002-3-21 499 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. Slope on west side of Chandler Canyon 449 Comment
  RSA584442  Ribes R. G. Swinney 1992-7-10 1856 Los Angeles San Gabriel Mountains, East Baldy Peak. All plants collected within 50 yards of Peak 3049 Comment
  UC79610  Ribes amarum C. F. Baker 1904-2-17 4064 Los Angeles San Antonio Canyon Claremont Comment
  UCD102100  Ribes amarum Geoffrey Levin 1974-4-27 60 Los Angeles Evey Canyon, a side canyon on San Antonion Canyon. San Gabriel Mountains, Santa Ana River, Pacific Slope drainage basin. 751 Comment
  UCSB11906  Ribes aureum Haines, Bruce 1962-3-11 Los Angeles roadside; 1 mile south of the junction of U.S. Highway 101 and California Highway 27; Woodland Hills 274 Comment
  UCSB12453  Ribes aureum Haines, A. 1962-3-28 Los Angeles Topanga Canyon Boulevard and Mulholland Drive 259 Comment
  RSA476432  Ribes aureum var. gracillimum L. E. Hoffman 1932-3-8 s.n. Los Angeles Placerita Canyon, San Gabriel Mountains. Comment
  CAS-BOT-BC93077  Ribes californicum var. hesperium Geo. B. Grant 1906-2-21 6592 Los Angeles Sierra Madre. Old Wilson Trail at 1/4 way house. 762 Comment
  UCR277204  Ribes cereum R. G. Swinney 2010-9-30 13936 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  CAS-BOT-BC27148  Ribes grantii George Bernard Grant 1904-5-17 s.n. Los Angeles Mt. Wilson Comment
  RSA602401  Ribes indecorum Louis C. Wheeler 1946-12-14 6453 Los Angeles San Gabriel Mountains: San Dimas Canyon. 503 Comment
  SD51748  Ribes indecorum Peter H. Raven, Henry J. Thompson 1959-2-25 13811 Los Angeles 1.2 miles east of summit, Saddle Peak. 671 Comment
  CAS-BOT-BC173435  Ribes malvaceum C. F. B. 1903-9-17 4065 Los Angeles San Antonio [Canon] Canyon near Claremont Comment
  CAS-BOT-BC173446  Ribes malvaceum Peter H. Raven 1959-3-1 13823 Los Angeles Mount Hollywood Drive, 0.8 miles south of Vista del Valle Drive, Griffith Park 396 Comment
  POM277130  Ribes malvaceum var. viridifolium E. S. Steele, H. S. Pratt 1935-2-20 s.n. Los Angeles Reservoir above Glen Oaks Canyon, Glendale . Comment
  RSA0097616  Ribes malvaceum var. viridifolium R. G. Swinney 2011-4-28 14538 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 878 Comment
  RSA441453  Ribes malvaceum var. viridifolium Louis C. Wheeler 1932-3-19 524 Los Angeles Head Sepulveda. Santa Monica Mts. 427 Comment
  RSA724675  Ribes malvaceum var. viridifolium K. Dobry 1992-4-14 d- 1140 Los Angeles Camp Shalom. West Santa Monica Mts along Arroyo Sequit. 5 mi No of Pacific Coast Hwy. Comment
  RSA628377  Ribes nevadense Scott D. White 1998-6-29 s.n. Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  UC284819  Ribes nevadense P. A. Munz 1923-5-26 6847 Los Angeles Vincent Gulch San Gabriel Mts. 2011 Comment
  UCR99471  Ribes quercetorum Steve Boyd, T. S. Ross 1997-3-21 9211 Los Angeles Liebre Mountains, Portal Ridge, about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring 1183 Comment
  LA50722  Ribes speciosum Harlan Lewis; 1940-2-4 1048 Los Angeles Santa Monica Mountains, Cahuenga Pass, Mulholland Dr. near Cahuenga Blvd 457 Comment
  RSA476283  Ribes speciosum D. A. Young 1969-5-25 p 477 Los Angeles Across the street from the Alpha Beta on Diamond Bar Blvd.. in Diamond Bar. 274 Comment
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Aug 20 2014
  UC66683  Ricinus communis N. K. Berg 1904-4-16 Los Angeles San Pedro Comment
  UCR108418  Ricinus communis L. C. Wheeler 1975-3-30 s.n. Los Angeles Hacienda Heights. Comment
  UCD169643  Rigiopappus leptocladus Dave Silverman; Cindy Hopkins 2007-4-27 6772 Los Angeles Tejon Ranch, N of Oso Canyon, 2.8 km due W of California Aqueduct, 1.3 km S of Kern county line, and 1.4 km S of National Cement Plant. 1061 Comment
  UCR259938  Robinia pseudoacacia R. G. Swinney 2010-4-1 12148 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  POM272410  Romneya coulteri George B. Grant 1901-6-7 s.n. Los Angeles Vermont Ave. Comment
  UCR216373  Rorippa Dan S. Cooper 2010-4-23 410- 38 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SEINET11986999  Rorippa islandica var. occidentalis R. F. Thorne, Tilforth, C. W. 1971-1 41547 Los Angeles San Gabriel Mts, Angeles National Forest, or near entrance thereto & below entrance to wooded area 381 Comment
  UCR132944  Rorippa nasturtium-aquaticum Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  CAS-BOT-BC147488  Rosa californica Timothy S. Ross; Steve Boyd 1994-5-24 7836 Los Angeles Cottonwood Swamp: Confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain 515 Comment
  POM1471  Rosa californica Unspecified 1897-5-31 6885 Los Angeles Claremont, (Live Oak Canyon) 671 Comment
  OBI35623  Rubus armeniacus Rebecca Cicoria 1981-4-24 22 Los Angeles Off Caballeros Rd, a short way down Purple Cyn, Rolling Hills Comment
  LA29322  Rubus parviflorus Mary V. Hood; 1943-6-25 Los Angeles Buckhorn Flats 1981 Comment
  RSA670421  Rubus ursinus var. ursinus I. W. Clokey, Bonnie C. Templeton 1929-04 4518 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  RSA0080769  Rumex R. G. Swinney 2010-6-29 13390 Los Angeles Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center. 305 Comment
  UCD101664  Rumex Y. Tera 1927-4-15 s.n. Los Angeles Box 357, Hollywood. Comment
  SD187461  Rumex conglomeratus Scott D. White 2006-7-7 11610 Los Angeles SE Tehachapi Mtns: Gorman area, Gorman Creek NE of the I-5 Freeway 1036 Comment
  CATA1302  Rumex conglomeratus Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2392 Los Angeles Santa Catalina Island: River bed just below upper Cape Canyon Reservoir 304 Comment
  POM244917  Rumex salicifolius F. R. Fosberg 1931-4-29 S 4708 Los Angeles Santa Catalina Island. Mouth of Cottonwood Canyon. 3 Comment
  UCSB1615  Rumex salicifolius Wedberg, H. 1958-7-15 Los Angeles behind store at jct. New and Old Topanga Canyons, Santa Monica Mtns. Comment
  RSA607621  Rupertia physodes L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring, Oak Spring Canyon, off Little Tujunga. 793 Comment
  RSA0078305  Salix argophylla Raymond J. Dobbs 1924-4-3 3017 Los Angeles Griffith Park. Comment
  CAS-BOT-BC108065  Salix exigua Louis C. Wheeler 1967-5-23 9665 Los Angeles 1 1/4 mile east southeast Honby 457 Comment
  RSA336396  Salix gooddingii Robert F. Thorne, Dick Tilforth 1978-6-21 52335 Los Angeles San Gabriel Mountains: Reservoir behing Little Rock Dam. Comment
  UCR178789  Salix gooddingii R. G. Swinney 1989-4-26 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, 1.4 miles east of Glendora Mtn. Rd. 427 Comment
  CHSC3741  Salix laevigata 1966-4-28 14 Los Angeles App. 8 mi. NE of Newhall. 914 Comment
  POM186369  Salix laevigata A. N. Dunn, Joseph A. Ewan 1933-7-23 7818 Los Angeles Colby's Ranch, San Gabriel Mountains 1143 Comment
  POM362606  Salix laevigata F. R. Fosberg, H. P. Bracelin 1931-10-11 s.n. Los Angeles Topanga canyon, 1.5 mi. above mouth. Comment
  RSA703550  Salix laevigata Gary D. Wallace, Ann Hiller 1983-5-18 2067 Los Angeles Dirt road W of Mt. Emma Rd. Comment
  RSA0030815  Salix laevigata var. araquipa Carl W. Sharsmith 1932-1-17 11 Los Angeles Lower San Gabriel Canyon, about 9.5 km. above Azusa. 300 Comment
  CATA3193  Salix lasiolepis Julia Parish, Margie Pfeffer 2016-8-18 005 Los Angeles Santa Catalina Island: Up drainage on south side of West End Rd., about 60 meters west of junction with Parsons Landing Rd. 68 Comment
  POM362748  Salix lasiolepis Elbert Benjamine 1929-2-24 62 Los Angeles Laurel Canyon, Hollywood. Comment
  RSA608903  Salix lasiolepis Louis C. Wheeler 1963-11-2 8420 Los Angeles Rio Hondo, South El Monte. Comment
  RSA748451  Salix lasiolepis Orlando Mistretta 1992-7-6 s.n. Los Angeles Kratka Ridge, spring near lodge. Comment
  UCSB18522  Salix lasiolepis Hurst, Linda 1963-2-27 Los Angeles 300 feet north of Tigertail Road, 2 miles northeast of Sunset Blvd., 10 miles east of U.S. Highway 101 518 Comment
  LA210396  Salix lucida subsp. lasiandra Carl Hedin; Joseph Andorfer Ewan 1932-6-28 7674 Los Angeles Los Angeles River at Los Feliz Bridge Comment
  UCR207626  Salpichroa origanifolia O. F. Clarke 2004-4-27 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  CATA3195  Salsola Julia Parish, Amy Catalano 2016-9-22 012 Los Angeles Santa Catalina Island: Along West End Rd., about 20 meters west of junction with Fenceline Rd. 144 Comment
  RSA127767  Salsola tragus P. H. Raven, H. J. Thompson 1959-6-4 14324 Los Angeles Dune grassland behind Point Dume. 46 Comment
  UCD118694  Saltugilia splendens R. F. Thorne 1963-7-11 32774 Los Angeles Along road to Upper Shake Camp Ground, ca. 3 miles W of Lake Hughes, Angeles National Forest. Comment
  POM3566  Saltugilia splendens subsp. grantii D. L. Crawford 1915-6-30 560 Los Angeles Bear Flats, Mts. above Claremont 2134 Comment
  RSA244394  Saltugilia splendens subsp. grantii Robin S. Collins 1973-5-28 321 Los Angeles Trail Canyon 732 Comment
  RSA424331  Salvia apiana William Emboden 1970-6-12 12 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA424351  Salvia apiana William Emboden 1970-6-12 17 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  UC1124648  Salvia apiana G. T. Nordstrom 1935-2-2 310 Los Angeles 0.25 mi e Mouth of West Fork; Angeles National Forest, Tejon Quad. 792 Comment
  UCD63555  Salvia apiana Daniel Sanchez-Mata 2006-6-29 s.n. Los Angeles Azusa. Los Angeles National Forest. S. Gabriel Canyon Road close to Torpedos Dam and Morris Reservoir. 450 Comment
  UCR108664  Salvia apiana L. C. Wheeler 1961-6-13 7871 Los Angeles San Gabriel Mtns, Pacoima Canyon at Bad Canyon 1098 Comment
  POM306266  Salvia apiana var. apiana Henry J. Ramsey, Henry J. Ramsey 1938-5-22 1405 Los Angeles North Craig Ave., Altadena. Comment
  POM4130  Salvia carduacea Jesse B. Mills 73 Los Angeles Claremont. 366 Comment
  CHSC96373  Salvia columbariae LeRoy Gross; Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 234 Los Angeles Verdugo Mountains: Off la Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. On trail up out of canyon and going to the crest following a ridge running northwest from the crest. Sunny south slope. 548 Comment
  SBBG31459  Salvia columbariae R. F. Thorne 1966-4-7 35945 Los Angeles Cherry Valley 60 Comment
  RSA401457B  Salvia columbariae Unspecified 1897-4-18 s.n. Los Angeles San Gabriel [the city of?] Comment
  SEINET6048553  Salvia columbariae 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
  SFV3207  Salvia dorrii J. C. Crawford 1958-4-18 s. n. Los Angeles Mojave Desert Antelope Valley. Palmdale, 2.1 miles west on Ave. N. 790 Comment
  OBI13548  Salvia dorrii var. pilosa Louis C. Wheeler 1932-4-9 573 Los Angeles 4 mi W Fairmont, mohave Desert 914 Comment
  SD231334  Salvia dorrii var. pilosa Sula Vanderplank, LeRoy Gross & Steve Hoskinson. 2005-5-6 50506 41 Los Angeles Transverse Ranges; San Gabriel Mountains region; Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  SFV3219  Salvia leucophylla P. G. Kilburn 1957-10-31 523 Los Angeles Simi Hills 2 miles west of Chatsworth Reservoir. 350 Comment
  UCD125600  Salvia leucophylla Dolores Hainey; Maryanne Mosones 1996-4-29 35 Los Angeles Aliso Canyon, 1 mile north on Reseda from intersection of Reseda and Rinaldi, 100 yards from beginning of the nature trail. Comment
  JEPS62762  Salvia mellifera Frank W. Peirson 1918-6-1 181 Los Angeles Mt. Wilson San Gabriel Mts. (Toll Road) 609 Comment
  OBI19386  Salvia mellifera Robert F. Hoover 1968-6-6 11149 Los Angeles Summit of Santa Monica MTs, just W of Sepulveda Blvd Comment
  RSA434130  Salvia mellifera Betty Munson 1940-4-21 s.n. Los Angeles Bouquet Canyon. Comment
  SEINET2077544  Salvia mellifera S. Rhodes 2000-4-24 131 Los Angeles S of Palmdale, near railroad tracks and Avenue S. intersection Comment
  UCD125597  Salvia mellifera Marc Meyer; Mike Alvord 1993-5-1 25 Los Angeles San Gabriel Mts., Chatsworth, at end of Desoto Ave. by 118 Fwy. South-facing slope. 400 Comment
  UCR127217  Salvia mellifera A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26283 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  UCR271821  Salvia mellifera R. G. Swinney 2010-4-28 12401 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
  RSA0034498  Salvia mellifera Elwood Fordham 1951-4-15 s.n. Los Angeles Topanga. Summit Rd. 304 Comment
  POM50365  Salvia spathacea L. R. Abrams 1901-4-3 s.n. Los Angeles Santa Monica Mountains. Comment
  RSA0106504  Sambucus nigra subsp. caerulea R. G. Swinney 2011-7-29 15558 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA0115959  Sambucus nigra subsp. caerulea R. G. Swinney 2010-9-21 13851 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  UCR256849  Sambucus nigra subsp. caerulea R. G. Swinney 2010-8-16 13553 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  POM3419  Sanicula arguta L. R. Abrams 1901-04 1242 Los Angeles Inglewood Comment
  RSA188022  Sanicula arguta R. F. Thorne 1966-4-28 36201 Los Angeles Santa Catalina Island, road to Renton Mine, Pebbly Beach Canyon 244 Comment
  UCR220950  Sanicula arguta Dan S. Cooper 2010-4-9 20100409- 30 A Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Royce Canyon in Griffith Park 270 Comment
  POM3416  Sanicula bipinnata I. M. Johnston 1918-5-19 2003 Los Angeles Hills south of Pomona 366 Comment
  LA32984  Sanicula crassicaulis Harlan Lewis; 1940-2-24 1085 Los Angeles Santa Monica Mountains, Topanga Canyon 304 Comment
  RSA471468  Sanicula crassicaulis Anstruther Davidson s.n. Los Angeles Laural Canon Comment
  SFV18436  Sanicula crassicaulis unknown 1977-6-15 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Walker Ranch section. Los Pinetos Trail. Comment
  UCR194622  Sarcodes sanguinea R. G. Swinney 1998-8-31 6864 Los Angeles San Gabriel Mtns., San Antonio Ridge, 1.1 mi. west of Mt. Baldy, east of saddle 2415 Comment
  SEINET5514128  Saxifraga caespitosa F. Turner 1970-1 Los Angeles Collected E of Gorman Kerr Co Comment
  CATA2010  Schismus arabicus Steven A. Junak 1998-3-22 502 Los Angeles Santa Catalina Island: Avalon Canyon, along W side of Avalon Canyon Road, just N of entrance to Wrigley Memorial Botanical Garden 106 Comment
  RSA503444  Schismus arabicus L. C. Wheeler 1967-5-12 9425 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA356022  Schismus barbatus R. F. Thorne 1973-3-14 42645 Los Angeles San Dimas Canyon near its mouth. Comment
  UCD93250  Schismus barbatus A. A. Beetle 1946-4-18 4740 Los Angeles Sleepy Valley. Comment
  RSA795686  Schoenoplectus acutus W. R. Ferren, Hamilton 1993-9-1 EPA- 293 Los Angeles Santa Monica Mountains. Tapia County Park. Comment
  RSA365997  Scirpus microcarpus Anstruther Davidson 1893-08 s.n. Los Angeles Khurtz Street Marsh. Comment
  SBBG14848  Selaginella asprella L. L. Kiefer 1963-1-1 348 Los Angeles NA of Crystal Lake 1828 Comment
  CATA1810  Selaginella bigelovii Benjamin E. Carter 2012-8-23 6996 Los Angeles Santa Catalina Island: Airport Road, ca. 100m south of the airport 470 Comment
  UC399196  Selaginella bigelovii C. F. Millspaugh 1920-1-2 4502 Los Angeles road beyond Golf Links; Santa Catalina Isl. Comment
  UCR68911  Selaginella bigelovii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4183 Los Angeles Channel Islands, San Clemente Island: upper reaches of China Canyon, S end of Island, W side Comment
  CAS-BOT-BC363451  Senecio californicus B. C. Templeton 1939-4-10 4616 Los Angeles Playa del Rey to El Segundo 10 Comment
  HSC6103  Senecio flaccidus var. douglasii W. H. Kinch 1954-9-30 18 Los Angeles N of Claremont on the road to Mt. San Antonio 610 Comment
  RSA0106843  Senecio flaccidus var. douglasii R. G. Swinney 2011-5-10 14640 Los Angeles San Gabriel Mountains: Angeles Natl. Forest, Manzanita Mt., at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center. 616 Comment
  SEINET4691742  Senecio flaccidus var. douglasii R. G. Swinney 2009-1 11607 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: Confuence of Kentucky Spring Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  RSA584130  Senecio flaccidus var. monoensis Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-8 2964 b Los Angeles Upper Big Tujunga Canyon (ca. 0.9-1.4 air miles ENE of Barley Flats). 1280 Comment
  PASA950  Senecio lyonii Frank W. Peirson 1923-4-12 Los Angeles Wilson Cove, San Clemente Island Comment
  RSA473037  Senecio lyonii M. B. Dunkle 1928-4-10 1822 Los Angeles Johnson's Canyon, Santa Catalina Island. Comment
  RSA473043  Senecio lyonii F. H. Elmore 1939-2-18 404 Los Angeles San Clemente Island. Comment
  UC306327  Senecio lyonii George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 6134 1193 a Los Angeles Santa Catalina Island Comment
  UC729527  Senecio lyonii Carl B. Wolf 1932-5-14 3630 Los Angeles between Avalon Pebbly Beach; Santa Catalina Island 30 Comment
  RSA702829  Senecio mikanioides Scott D. White 2004-4-23 10232 Los Angeles City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  RSA608043  Senecio vulgaris L. C. Wheeler 1947-6-13 6520 Los Angeles Los Angeles/San Bernardino counties. San Gabriel Mountains: Cascade Canyon at fire road, near creek. Comment
  SBBG108987  Senecio vulgaris S. A. Junak 1997-3-7 SCl 735 Los Angeles just E of Camera Pad Horton 3, W side of Twin Dams Cyn 411 Comment
  UCR217340  Sesuvium verrucosum David Charlton 2009-9-7 s.n. Los Angeles Western Mojave Desert, Piute Ponds, Edwards Air Force Base, north of the spillway and 0.25 mi. south of Rosamond Dry Lake bed 713 Comment
  RSA93397  Sherardia arvensis Louis C. Wheeler 1934-4-28 2577 Los Angeles La Verne. 305 Comment
  UCR272593  Sidotheca caryophylloides R. G. Swinney 2011-6-7 15030 Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
  SEINET1869729  Silene antirrhina A. C. Sanders, Helen Kennedy 2005-1 29420 Los Angeles Western San Gabriel/ Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UC1537309  Silene californica Gordon H. True Jr. 1935-5-16 287 Los Angeles just s Bouquet Canyon Reservoir (Bouquet Canyon); just s of Bouquet Canyon Reservoir 762 Comment
  RSA213348  Silene gallica Reid V. Moran 1941-3-14 705 Los Angeles Middle Ranch, Santa Catalina Island. 200 Comment
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Mar 26 2009
  UCR131388  Silene gallica Alison Lipman 1998-5-4 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  UCR213422  Silene gallica A. C. Sanders, Dan S. Cooper 2010-3-12 37321 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCSB46626  Silene gallica Welton, Patti 1983-3-28 Los Angeles 2.2 miles north of Malibu Canyon Road; on southwest side of Mulholland Hwy.; on 6 month old burn site 469 Comment
  RSA533998  Silene gallica Timothy S. Ross 1991-5-17 5126 Los Angeles San Clemente Island, eastern escarpment, 1400 ft. SSE of Jack (not Jack Point), and 1350 ft. NW of the mouth of Larkspur Canyon. 145 Comment
  RSA592201  Silene gallica L. C. Wheeler 1967-4-23 9190 Los Angeles San Gabriel Mountains. Sunset Ridge. Comment
  SBBG105094  Silene laciniata subsp. californica S. Boyd, O. Mistretta 1993-5-11 8134 Los Angeles N slope of Red Mtn in Ruby Cyn along Forest Service rds 6N24, 2.4 mi W of jct with 7N01; Angeles Nat Forest Comment
  JEPS50958  Silene laciniata subsp. major W. L. Jepson 1918-6-28 42 Los Angeles foothills e Rubio Canyon; e of Rubio Canyon 609 Comment
  RSA477930  Silene laciniata subsp. major Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena Comment
  POM7694  Silene multinervia P. A. Munz, R. D. Harwood 1920-4-21 5702 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  RSA65037  Silene parishii F. R. Fosberg, J. Ewan 1931-8-12 4937 Los Angeles San Gabriel Mountains: summit of Mt. Islip 2500 Comment
  RSA755885  Silene verecunda R. G. Swinney 2008-7-24 9290 Los Angeles San Gabriel Mtns.: Waterman Mountain. 2412 Comment
  SBBG126992  Silene verecunda A. Parikh, N. Gale 2011-6-28 3516 Los Angeles upper Big Tujunga Cyn, 0.1 km SW of Shortcut Station, 0.5 km N of St Hwy 2; San Gabriel Mtns 1283 Comment
  SEINET13387095 Image available Silene verecunda R. G. Swinney 2011-1 15497 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
  CHSC99852  Silybum marianum LeRoy Gross 2003-5-4 819 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains: Along east side of Brand Canyon a short distance above the large waterfall. Near 34. 19450N, 118.26919W UTM Zone 11; 3784256N 383053E. Near level area above river bottom. 393 Comment
  UCD135880  Silybum marianum Robert F. Thorne 1971-3-31 41460 Los Angeles San Gabriel Mts. Johnson's Pastures, north of Mountain Ave., Claremont. 548 Comment
  CAS-BOT-BC75411  Sisymbrium orientale J. H. Thomas 1957-5-11 6744 Los Angeles About 2 miles northeast of La Canada, near Angeles Crest Highway. 609 Comment
  RSA648037  Sisymbrium orientale Orlando Mistretta 1992-7-13 673 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  SBBG25551  Sisyrinchium bellum D. Emery 1947-4-20 Los Angeles Topanga Cyn Comment
  UC117105  Sisyrinchium bellum T. S. Brandegee May 1889 Los Angeles San Pedro Comment
  UCR124671  Sisyrinchium bellum B. C. Templeton 1933-7-21 5033 Los Angeles San Gabriel Mountains, Prairie Forks 1905 Comment
  RSA366920  Sisyrinchium bellum Russell S. Woglum 1934-4-8 1280 -A Los Angeles Barker's Ranch, North Hollywood. Comment
  UCR182638  Sisyrinchium idahoense R. G. Swinney 1997-7-23 5728 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  SBBG98450  Solanum americanum T. Ross 1991-5-22 5472 Los Angeles Spray Cyn, short cyn 2400 ft ENE of Spray (which is 5200' N of Eel Pt) 85 Comment
  RSA648700  Solanum americanum Patricia Kouo 1994-4-27 944297 Los Angeles 3 miles south of I-10, and 1-mile north of I-60. On the west side of Rosemead Blvd. at the most southern lake. Comment
  POM305236  Solanum douglasii Henry J. Ramsey, Henry J. Ramsey 1937-3-27 561 Los Angeles Little Tujunga Canyon Comment
  RSA584010  Solanum douglasii Tim S. Ross 1991-4-25 4593 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) (Glendora) 536 Comment
  RSA670942  Solanum douglasii Joseph M. Keefe 2001-1-19 30944 Los Angeles End of sidewalk along Eagle Rock View Drive, south facing slope, south face of the Eagle Rock. 293 Comment
  UC483375  Solanum douglasii L. R. Abrams and I. L. Wiggins 1931-7-6 346 Los Angeles vicinity of Mosquito Harbor (San Clemente Island); San Clemente Island Comment
  RSA522969  Solanum douglasii Tim S. Ross 1991-2-23 4090 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 292 Comment
  RSA668159  Solanum douglasii Don Jillson 1961-3-19 s.n. Los Angeles Scholl Canyon. 299 Comment
  UCSB9431  Solanum douglasii Olsen, Meryl 1954-4-15 Los Angeles Claremont; San Gabriel Mtns 365 Comment
  RSA703835  Solanum sarrachoides A. C. Sanders, Mark A. Elvin 2002-6-20 25217 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
  SEINET10851823  Solanum tuberosum Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2548 Los Angeles City of Los Angeles. Little Tokyo. Enbun Market, 124 Japanese Village Plaza. Comment
  CAS-BOT-BC156472  Solanum umbelliferum L. Abrams; E. A. McGregor 1908-7-2 597 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1524 Comment
  CAS-BOT-BC83643  Solanum umbelliferum C. F. Baker 1903-3-16 4059 Los Angeles Claremont Comment
  RSA427426  Solanum umbelliferum C. Epling, Louis C. Wheeler 1933-6-4 1850 Los Angeles Near Summit, Ridge Route. 1524 Comment
  UC1125051  Solanum umbelliferum A. Simontacchi 1935-5-30 52 Los Angeles 3 mi sse of Neenach 1066 Comment
  UC1178634  Solanum umbelliferum Peter Kamb 1948-5-6 955 Los Angeles above Little Rock (San Gabriel Mountains); San Gabriel Mountains 975 Comment
  UC884988  Solanum umbelliferum I. W. Clokey, E. G. Anderson 1935-5-9 6879 Los Angeles San Dimas Canyon Comment
  UCR259124  Solanum umbelliferum R. G. Swinney 2010-5-4 12523 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  RSA647973  Solanum umbelliferum Michelle Manolovitz, Brian Manolovitz 1992-5-12 21 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 500 feet north of park office. Comment
  CHSC110027  Solanum wallacei Mark Elvin; Sarah Crockett 1977-3-17 377 Los Angeles Channel Islands; Santa Catalina Island: Alone Cape Canyon Road. On E side at cliff. Where creek comes up to Road. Comment
  RSA0081389  Solidago californica R. G. Swinney 2010-9-13 13809 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  RSA741098  Solidago velutina subsp. californica Justin M. Wood 2008-11-21 250 Los Angeles ANF Road (3N27). Near Mount Gleason Road. 1220 Comment
  UCSB27682  Solidago velutina subsp. californica Lavinger, S. 1975-10-26 Los Angeles Charlton Flats Camp Grounds, near camp site #21; San Gabriel Mountains 1645 Comment
  RSA591920  Sonchus asper L. C. Wheeler 1967-5-8 9314 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 381 Comment
  RSA474079  Sonchus asper Howard Mullins 1931-3-6 s.n. Los Angeles City lot Comment
  RSA641645  Sonchus asper subsp. asper L. C. Wheeler 1967-5-31 9809 Los Angeles Pallet Creek at confluence with Big Rock Creek 1082 Comment
  UCR258707  Sonchus oleraceus R. G. Swinney 2010-3-16 11933 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
  RSA526159  Sonchus oleraceus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-6 4153 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  HSC98386  Spartium junceum Wendell Wood 1970-6-20 13 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 Comment
  RSA0091750  Spartium junceum R. G. Swinney 2011-11-1 15955 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA588698  Spartium junceum Orlando Mistretta 1995-7-12 1916 Los Angeles San Gabriel Mountains: Little Rock Creek Confluence on Little Rock Creek and South Fork fo Little Rock Creek. 1220 Comment
  RSA747191  Spartium junceum R. G. Swinney 2008-6-9 9011 Los Angeles middle fork of Punchbowl Canyon at junction with South Fork Trail, 2.1 mi. SSE of Devils Punchbowl Co. Park headquarters via trail 1585 Comment
  UCR95307  Spartium junceum Steve Boyd, M. Wall 1996-5-16 8776 Los Angeles Liebre Mtns., confluence of Ruby Canyon and Elizabeth Lake Canyon at northwest end of Red Mountain 585 Comment
  RSA576940  Spergula arvensis L. C. Wheeler 1932-3-12 487 Los Angeles La Verne. 305 Comment
  RSA0097929  Spergularia bocconi R. F. Thorne 1966-4-6 35910 Los Angeles Santa Catalina Island: margin of small reservoir N of Catalina Airport. 436 Comment
  RSA0098746  Spergularia macrotheca Reid V. Moran 1958-9-15 6836 Los Angeles San Clemente Island, slope above Wilsons Cove. 50 Comment
  RSA0098398  Spergularia macrotheca var. macrotheca Mark Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2378 Los Angeles Santa Catalina Island. Parson's Landing. 3 Comment
  CDA24142  Spergularia marina G. D. Barbe 1980-11-18 3020 Los Angeles North of Playa del Rey, Culver Boulevard at Nicholson Street. Comment
  RSA0098542  Spergularia marina R. G. Swinney 1993-6-14 2257 Los Angeles San Gabriel Mountains, Glendora, Little Dalton Canyon. Debris Basin. 366 Comment
  IRVC26203  Spinacia oleracea A. C. Sanders 2003-6-19 26984 Los Angeles near mouth of "Off-haul Canyon", ca. 1 mile west of Mayo Spur between San Martinez Grande Canyon the Ventura Co. line, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 274 Comment
  RSA219229  Stachys albens C. W. Tilforth, John Dourley 1970-9-17 308 Los Angeles East Fork San Gabriel River. Comment
  UC1124948  Stachys albens Jerome S. Horton 1935-7-18 214 Los Angeles Dalton Canyon below Dam Pomona Quadrangle Comment
  UC1595425  Stachys albens Tim Ross 1992-7-10 6661 Los Angeles between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 967 Comment
  SD44967  Stanleya pinnata Darley F. Howe 1952-6-15 2227 Los Angeles Near Malibu Beach Comment
  LA200974  Stanleya pinnata var. pinnata Carl Wishner; 1987-5-19 1353 Los Angeles Santa Monica Mountains, Calabasas, 0.5 mi E of Las Virgenes Rd and Agoura Rd Comment
  UC54144  Stebbinsoseris heterocarpa H. M. Hall May 1902 3262 Los Angeles Sierra Santa Monica Sierra Santa Monica (Southern California) Comment
  UCR189417  Stellaria media R. G. Swinney 1998-5-30 6163 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  CHSC95437  Stephanomeria cichoriacea LeRoy Gross 2001-9-1 447 Los Angeles Los Angeles Basin: Verdugo Mountains; north side, Along Verdugo Mountain Way east of Whiting Woods Mountain Way. Northwest facing cliff near the main crest, at top of Henderson Canyon. 854 Comment
  UC483373  Stephanomeria diegensis L. R. Abrams and I. L. Wiggins 1931-7-6 344 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  SBBG67873  Stephanomeria pauciflora R. Hoffmann 1931-6-23 Los Angeles Lancaster Comment
  SEINET13387122 Image available Stephanomeria virgata R. G. Swinney 2011-1 15421 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), south end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. (Chilao Flat 7.5' Q.) 1219 Comment
  RSA748489  Stephanomeria virgata subsp. virgata Orlando Mistretta 1992-7-9 642 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  RSA681888  Stillingia linearifolia Scott D. White, Michael Honer 2003-6-18 9566 Los Angeles Liebre Mountains: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. 549 Comment
  LA206426  Stipa coronata A. M. Johnson; 1928-4-1 275 Los Angeles Sunland Comment
  CATA1148  Stipa miliacea var. miliacea Mark L. Hoefs 1995-5-23 2139 Los Angeles Santa Catalina Island: Upper Middle Canyon 225 Comment
  SD215358  Stipa speciosa Steve Boyd, Lauren Raz 1997-3-25 9302 Los Angeles Liebre Mountains Region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 kilometer northeast of Knapp Ranch. 1096 Comment
  UCR155657  Stipa speciosa A. C. Sanders, T. B. Salvato 2005-4-26 29687 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  UCR24523  Stipa speciosa K. K. Muller 1972-5-2 3081 Los Angeles Edge of Mojave Desert at Red Rover Mine turn-off from State Hwy 14 between Los Angeles and Palmdale Comment
  CATA3520  Stipa tenuissima Julia Parish 2018-2-1 002 Los Angeles Santa Catalina Island: Channel side; Avalon; 888 Country Club Dr. 62 Comment
  CAS-BOT-BC61006  Streptanthella longirostris Ira L. Wiggins 1966-4-24 20648 Los Angeles Mohave Desert. Along Palmdale Boulevard between 90 Street east and 150 Street east, about 15 miles east of Palmdale. Comment
  PASA2063  Streptanthus major Frank W. Peirson 1933-7-5 Los Angeles Mountain north of Big Pines Camps 2133 Comment
  RSA0070123  Stylocline gnaphaloides LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6955 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  CAS-BOT-BC376105  Stylocline psilocarphoides Timothy S. Ross 1991-4-28 4747 Los Angeles Adobe Mountain: southwesterly extension of the mountain 975 Comment
  SD53034  Suaeda californica var. pubescens Peter H. Raven 1962-5-7 17574 Los Angeles San Clemente Island; Wilson Cove 29 Comment
  POM184238  Suaeda moquinii L. C. Wheeler 1932-7-18 961 Los Angeles 2 mi. N Claremont. 412 Comment
  RSA177674  Suaeda taxifolia R. F. Thorne, P. Everett, K. Thorne 1965-5-11 34545 Los Angeles Santa Catalina Island. Salt flat N of Catalina Harbor. Comment
  POM308931  Swertia parryi Kay H. Beach 1942-5-29 634 Los Angeles Flumes No. 4 and 5, on hill across from cabin Comment
  RSA609748  Symphoricarpos albus var. laevigatus R. S. Woglum 1934-4-8 1283 Los Angeles South Coast: North Hollywood; San Fernando Valley. Comment
  CAS-BOT-BC234674  Symphoricarpos mollis John H. Thomas 1957-5-3 6723 Los Angeles North of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  LA51407  Symphoricarpos mollis Henry J. Thompson; 1959-5-24 1990 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.7 mi N of Coast Hwy 91 Comment
  POM50557  Symphoricarpos mollis L. R. Abrams 1901-4-3 1308 Los Angeles Santa Monica Mountains.</