34.31356 34.41356 -118.49114 -118.39114 UC/JEPS: Consortium Search Results
Search Results — 2169 specimen records retrieved (2169 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0110591  Acer macrophyllum Richard G. Swinney 2010-6-8 13235 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream. 598 Comment
  RSA584297  Acer macrophyllum Tim S. Ross, Orlando Mistretta 1993-5-27 7334 Los Angeles Wilson Canyon, along the riparian strip. 588 Comment
  UCR276962  Acer macrophyllum R. G. Swinney 2010-6-8 13235 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream 671 Comment
  CAS-BOT-BC211914  Achnatherum coronatum Tim Ross; Orlando Mistretta 1993-5-26 7300 Los Angeles Southerly slope off the main E/W divide about midway between Wilson Canyon Saddle and May Canyon Saddle, drainint to Wilson Canyno and Sylmar, W end of the San Gabriel Mtns. 993 Comment
  RSA584600  Achnatherum coronatum Timothy S. Ross, Orlando Mistretta 1993-5-26 7300 Los Angeles off the main E/W divide about midway between Wilson Canyon Saddle and May Canyon Saddle 993 Comment
  RSA0080970  Acourtia microcephala R. G. Swinney 2010-4-28 12408 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
  RSA0083116  Acourtia microcephala R. G. Swinney 2010-6-4 13045 Los Angeles Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 473 Comment
  UCR256229  Acourtia microcephala R. G. Swinney 2010-6-4 13045 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 512 Comment
  UCR272015  Acourtia microcephala R. G. Swinney 2010-4-28 12408 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
  RSA0057918  Adenostoma fasciculatum Richard G. Swinney 2010-4-15 12215 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0067571  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
  RSA0080975  Adenostoma fasciculatum R. G. Swinney 2010-4-28 12413 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
  RSA0087384  Adenostoma fasciculatum R. G. Swinney 2010-5-25 12973 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0115315  Adenostoma fasciculatum R. G. Swinney 2010-5-25 12915 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 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
  UCR258816  Adenostoma fasciculatum R. G. Swinney 2010-5-25 12973 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR259631  Adenostoma fasciculatum R. G. Swinney 2010-4-15 12215 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR272014  Adenostoma fasciculatum R. G. Swinney 2010-4-28 12413 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
  UCR277032  Adenostoma fasciculatum R. G. Swinney 2010-5-25 12915 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA563495  Adenostoma fasciculatum var. fasciculatum Tim S. Ross, W. Appleby 1993-5-13 7120 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  RSA0110592  Adiantum capillus-veneris Richard G. Swinney 2010-6-8 13232 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream. At waterfall only. 598 Comment
  UCR276961  Adiantum capillus-veneris R. G. Swinney 2010-6-8 13234 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream 671 Comment
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Jun 5 2017
  RSA0062526  Adiantum jordanii R. G. Swinney 2010-6-4 13051 Los Angeles Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 473 Comment
  RSA0062527  Adiantum jordanii R. G. Swinney 2010-6-4 13051 Los Angeles Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 473 Comment
  RSA616134  Adiantum jordanii L. C. Wheeler 1967-5-18 9628 Los Angeles San Gabriel Mountains: Placerita Canyon. T4N R15W sec. 4. 518 Comment
  RSA85007  Adiantum jordanii F. W. Peirson 1921-4-3 2393 Los Angeles Pacoima Canyon, W end of San Gabriel Mtns. 534 Comment
  SEINET3868338 Image available Adiantum jordanii K. Dobry 1991-4-22 438 Los Angeles West San Gabriel Mts. at Elsmere Cyn.; 0 Comment
  UCR256156  Adiantum jordanii R. G. Swinney 2010-6-4 13051 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 512 Comment
  RSA0053869  Ageratina adenophora R. G. Swinney 2010-4-20 12293 Los Angeles San Gabriel Mountains; Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0080739  Ageratina adenophora R. G. Swinney 2010-4-23 12368 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  SEINET8043940 Image available Ageratina adenophora R. G. Swinney 2010-1 12293 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near end of Wallabi Ave. 433 Comment
  UCR258576  Ageratina adenophora R. G. Swinney 2010-4-23 12368 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR259752  Ageratina adenophora R. G. Swinney 2010-4-20 12293 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0070361  Alcea rosea R. G. Swinney 2010-4-20 12285 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR259357  Alcea rosea R. G. Swinney 2010-4-20 12285 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  SEINET3884725  Allium haematochiton K. Dobry 1991-5-13 512 Los Angeles West San Gabriel Mountains at Elsmere Canyon.; 0 Comment
  RSA0083127  Allophyllum divaricatum R. G. Swinney 2010-6-4 13056 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA507970  Allophyllum divaricatum Steve Boyd, T. S. Ross 1988-4-28 2224 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  UCR256145  Allophyllum divaricatum R. G. Swinney 2010-6-4 13056 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
  UCR259252  Allophyllum divaricatum R. G. Swinney 2010-6-4 12995 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
  UCR61096  Allophyllum divaricatum Steve Boyd, T. S. Ross 1988-4-28 2224 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  SFV12455  Alnus rhombifolia M. H. Grayum, D. L. Koutnik, B. Balch 1978-1-8 943 Los Angeles San Gabriel Mountains Along creek in Los Pinetos Canyon. 564 Comment
  SFV18418  Alnus rhombifolia anon. 1976-3-16 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Walker Ranch section. Comment
  RSA0085348  Amaranthus albus R. G. Swinney 2010-6-8 13217 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 546 Comment
  UCR252899  Amaranthus albus R. G. Swinney 2010-5-29 13395 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 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
  UCR277085  Amaranthus albus R. G. Swinney 2010-10-5 13980 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  RSA609110  Amaranthus retroflexus L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Head of Los Pinetos Canyon. 1097 Comment
  JEPS19961  Ambrosia acanthicarpa Frank W. Peirson 1918-10-16 271 Los Angeles in Pacoima Canyon 518 Comment
  RSA0080649  Ambrosia acanthicarpa R. G. Swinney 2010-5-29 13009 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA0116760  Ambrosia acanthicarpa R. G. Swinney 2010-10-5 13966 Los Angeles San Gabriel Mountains; Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  UCR258563  Ambrosia acanthicarpa R. G. Swinney 2010-5-29 13009 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCR277185  Ambrosia acanthicarpa R. G. Swinney 2010-10-5 13966 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  RSA0116756  Ambrosia psilostachya R. G. Swinney 2010-10-5 13967 Los Angeles San Gabriel Mountains; Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  UCR277186  Ambrosia psilostachya R. G. Swinney 2010-10-5 13967 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  POM305742  Amorpha californica Henry J. Ramsey, Henry J. Ramsey 1937-6-27 912 Los Angeles Angeles National Forest: Bear Creek, north of Pacoima Reservoir. Comment
  CAS-BOT-BC180639  Amorpha californica var. californica Tim Ross; Walter Appleby 1993-6-7 7367 Los Angeles NW side of Lupine Saddle, at the head of teh draw that drains NNW to Los Pinetos Spring, W end of the San Gabriel Mtns. 954 Comment
  RSA0062529  Amorpha californica var. californica R. G. Swinney 2010-6-4 13053 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA584330  Amorpha californica var. californica T. S. Ross 1993-6-7 7367 Los Angeles W end of the San Gabriel Mtns.: NW side of Lupine Saddle at the head of the draw that drains NNW to Los Pinetos Spring. 954 Comment
  RSA646134  Amorpha californica var. californica Orlando Mistretta 1992-7-13 s.n. Los Angeles Los Pinetos Spring Canyon Trail. Comment
  SFV18454  Amorpha californica var. californica I. P. Swift 2001-5-25 152 Los Angeles San Gabriel Mountains Placerita Canyon Natural Area, Walker Ranch section. 564 Comment
  UCR256154  Amorpha californica var. californica R. G. Swinney 2010-6-4 13053 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
  RSA0106743  Amsinckia R. G. Swinney 2011-5-3 14576 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  UCR271479  Amsinckia R. G. Swinney 2011-5-3 14576 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  RSA724778  Amsinckia intermedia K. Dobry 1991-3-15 411 Los Angeles San Gabriel Mts at Elsmre Cyn Comment
  SFV15558  Amsinckia intermedia R. K. Stachelek 1992-4-14 15 Los Angeles San Gabriel Mountains Sylmar. Stetson Ranch Park. Dry streambed on left side of main dirt road. 490 Comment
  UCR95327  Anagallis arvensis L. C. Wheeler 1967-4-30 9229 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  RSA507979  Anthriscus caucalis Steve Boyd, Timothy S. Ross 1988-4-28 2234 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  JEPS83432  Antirrhinum coulterianum David M. Thompson 1983-5-14 309 Los Angeles Sand Canyon Road hill directly across Sand Canyon Road from Live Oak Picnic Area. Mint Canyon Quad. (7.5', 1960) 640 Comment
  JEPS83433  Antirrhinum coulterianum David M. Thompson 1983-5-14 309 Los Angeles hill directly across Sand Canyon Road from Live Oak Picnic Area (San Canyon Road); Mint Canyon Quad. (7.5', 1960) 640 Comment
  RSA0053861  Antirrhinum coulterianum R. G. Swinney 2010-4-28 12438 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of the eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0116687  Antirrhinum coulterianum R. G. Swinney 2010-5-25 12924 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA562551  Antirrhinum coulterianum Steve D. Boyd, Orlando Mistretta 1993-5-11 8130 Los Angeles North of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of Forest on ridge dividing Whitney Canyon and Placerita Canyon. 488 Comment
  SEINET13203126 Image available Antirrhinum coulterianum R. G. Swinney 2010-1 12318 Los Angeles San Gabriel Mountains: north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream (San Fernando 7.5' Q.) (T3N R15W S23 ?) 549 Comment
  UCR256131  Antirrhinum coulterianum R. G. Swinney 2010-4-20 12318 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR259947  Antirrhinum coulterianum R. G. Swinney 2010-4-28 12438 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
  UCR277040  Antirrhinum coulterianum R. G. Swinney 2010-5-25 12924 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA0116689  Antirrhinum kelloggii R. G. Swinney 2010-5-25 12926 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  SFV15544  Antirrhinum kelloggii R. K. Stachelek 1992-4-14 11 Los Angeles San Gabriel Mountains Sylmar. Stetson Ranch Park, along fire road near top of hill. 520 Comment
  UCR277042  Antirrhinum kelloggii R. G. Swinney 2010-5-25 12926 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  OBI30462  Antirrhinum multiflorum J. C. Roos 1947-5-17 3636 Los Angeles Placerita Cyn, E of Newhall Comment
  RSA0115272  Antirrhinum multiflorum Richard G. Swinney 2010-5-25 12912 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA563492  Antirrhinum multiflorum Tim S. Ross, W. Appleby 1993-5-13 7121 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  RSA590517  Antirrhinum multiflorum Tim S. Ross, W. Appleby 1993-5-19 7176 Los Angeles Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. 854 Comment
  UC1871020  Antirrhinum multiflorum T. S. Ross, W. Appleby 1993-5-13 7121 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon; San Fernando 7.5' USGS quad; R15W T3N, E/4 NW/4 sect 10; between 2800-3220 feet elevation. Comment
  UCR252759  Antirrhinum multiflorum R. G. Swinney 2010-5-29 13414 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR258569  Antirrhinum multiflorum R. G. Swinney 2010-5-29 13014 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCR277030  Antirrhinum multiflorum R. G. Swinney 2010-5-25 12912 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA626686  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-27 15729 Los Angeles Southwest of Bear Divide, off Little Tujunga Road. 950 Comment
  RSA626688  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-27 15728 Los Angeles Southwest of Bear Divide, off Little Tujunga Road. 950 Comment
  RSA626689  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-27 15732 Los Angeles Southwest of Bear Divide, off Little Tujunga Road. 950 Comment
  RSA626691  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-27 15743 Los Angeles Southwest of Bear Divide, off Little Tujunga Road. 950 Comment
  UC1871031  Arctostaphylos glandulosa T. S. Ross, W. Appleby 1993-5-19 7169 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road; San Fernando 7.5' USGS quad; R15W T3N, NW/4 SE/4 NE/4 SE/4 sect 9; ca 3120 ft elevation. 951 Comment
  RSA561584  Arctostaphylos glandulosa subsp. mollis Steve Boyd 1993-6-10 8183 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. North of Santa Clara road (3N17.9) at head of eastern branch of Los Pinetos Canyon, east of Los Pinetos Spring, 853 Comment
  RSA590554  Arctostaphylos glandulosa subsp. mollis T. S. Ross 1993-5-19 7169 Los Angeles Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road 951 Comment
  RSA626690  Arctostaphylos glandulosa subsp. mollis Allen Massihi, Jon E. Keeley 1992-7-27 15733 Los Angeles Southwest of Bear Divide, off Little Tujunga Road. 950 Comment
  RSA626772  Arctostaphylos glandulosa subsp. mollis T. S. Ross, W. Appleby 1993-5-19 7169 Los Angeles Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road 951 Comment
  RSA642684  Arctostaphylos glandulosa subsp. mollis Orlando Mistretta 1992-7-13 724 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  SBBG118493  Arctostaphylos glandulosa subsp. mollis O. Mistretta 1992-7-13 724 Los Angeles Los Pinetos Spring Cyn Trail Comment
  CHSC68178  Arctostaphylos glauca Allen Massihi 1992-7-27 15736 Los Angeles Southwest of Bear Divide, off Little Tujunga Rd. San Gabriel Mtns. 950 Comment
  RSA0039462  Arctostaphylos glauca R. G. Swinney 2010-6-21 13253 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA0087386  Arctostaphylos glauca R. G. Swinney 2010-5-25 12975 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA631693  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-27 15734 Los Angeles Southwest of Bear Divide, off Little Tujunga Road. 950 Comment
  RSA673608  Arctostaphylos glauca LeRoy Gross, Steve Fischer, Gary D. Wallace, et al. 2002-12-7 678 Los Angeles Limekiln Canyon. 518 Comment
  UCR252573  Arctostaphylos glauca R. G. Swinney 2010-6-21 13253 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  UCR258814  Arctostaphylos glauca R. G. Swinney 2010-5-25 12975 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR120627  Arenaria douglasii Steve Boyd, T. S. Ross 1988-4-28 2248 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  RSA0070362  Artemisia californica R. G. Swinney 2010-4-20 12284 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  SFV18423  Artemisia californica C. Ferguson s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Ecology Trail. Dry, south facing slopes. Comment
  UCR259356  Artemisia californica R. G. Swinney 2010-4-20 12284 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR259620  Artemisia californica R. G. Swinney 2010-5-25 12954 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  RSA0058233  Artemisia douglasiana Richard G. Swinney 2010-4-23 12343 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0069204  Artemisia douglasiana R. G. Swinney 2010-6-8 13192 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  UCR256470  Artemisia douglasiana R. G. Swinney 2010-6-8 13192 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
  UCR258829  Artemisia douglasiana R. G. Swinney 2010-4-23 12343 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA0055777  Artemisia dracunculus R. G. Swinney 2010-4-28 12423 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
  UCR259765  Artemisia dracunculus R. G. Swinney 2010-4-28 12423 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
  CLARK-A1528-1599  Artemisia tridentata subsp. parishii John C. Roos 1942-10-31 2580 Los Angeles Placerita Canyon Comment
  RSA592227  Arundo donax L. C. Wheeler 1967-4-30 9238 Los Angeles San Gabriel Mountains. Limekiln Canyon. 549 Comment
  RSA0069432  Asclepias fascicularis R. G. Swinney 2010-6-8 13215 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  UCR256871  Asclepias fascicularis R. G. Swinney 2010-6-8 13215 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
  RSA507524  Astragalus gambelianus L. C. Wheeler 1967-5-18 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA615519  Astragalus gambelianus L. C. Wheeler 1967-5-18 9611 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  CAS-BOT-BC199094  Astragalus trichopodus var. phoxus Wesley O. Griesel 1961-4-22 s.n. Los Angeles Near Newhall, Sand Canyon, San Gabriel Mts. 457 Comment
  RSA149790  Astragalus trichopodus var. phoxus Wesley O. Griesel 1961-4-22 s.n. Los Angeles Sand Canyon, San gabriel mtns., near Newhall. 457 Comment
  RSA226106  Astragalus trichopodus var. phoxus R. F. Thorne 1971-6-17 39913 a Los Angeles 1 mile up Placerita Canyon from junction with Antelope Valley Freeway, W end of San Gabriel Mountains 488 Comment
  RSA512036  Astragalus trichopodus var. phoxus L. C. Wheeler 1967-5-18 9655 Los Angeles divide between Reynier and Placerita Canyons 610 Comment
  RSA624073  Astragalus trichopodus var. phoxus L. C. Wheeler 1967-5-18 9655 Los Angeles Divide between Reynier and Placerita Canyon. 609 Comment
  RSA0115409  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
  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
  POM307320  Atriplex canescens subsp. canescens Henry J. Ramsey, Henry J. Ramsey 1937-8-7 2219 Los Angeles Sand Canyon, San Gabriel Mountains Comment
  RSA608828  Atriplex lentiformis subsp. lentiformis L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Sand Canyon, Head of Placerita Canyon Hwy, Placerita Canyon Road. 609 Comment
  UCR138521  Atriplex lentiformis subsp. lentiformis L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Sand Canyon, Head of Placerita Canyon Hwy, Placerita Canyon Road 610 Comment
  RSA0047411  Avena barbata R. G. Swinney 2010-5-4 12481 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA0055781  Avena barbata R. G. Swinney 2010-4-28 12428 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
  RSA0058228  Avena barbata Richard G. Swinney 2010-4-23 12349 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  SEINET13203172 Image available Avena barbata R. G. Swinney 2010-1 12481 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. (San Fernando 7.5' Q.) (T3N R15W S20) 488 Comment
  UCR255846  Avena barbata R. G. Swinney 2010-5-4 12481 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR258819  Avena barbata R. G. Swinney 2010-4-23 12349 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR259619  Avena barbata R. G. Swinney 2010-5-25 12955 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR259954  Avena barbata R. G. Swinney 2010-4-28 12428 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
  LA103560  Avena fatua Barry A. Prigge; 1986-3-29 7147 Los Angeles San Gabriel Mountains, S of Canyon Country at Golden Valley X Antelope Valley freeway (State Highway 14) 457 Comment
  RSA0069433  Avena fatua R. G. Swinney 2010-6-8 13216 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  UCR256870  Avena fatua R. G. Swinney 2010-6-8 13216 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
  RSA0116163  Baccharis pilularis R. G. Swinney 2010-10-5 13986 Los Angeles San Gabriel Mountains; east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  RSA599024  Baccharis pilularis L. C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon ca. 1/2 mi. beyond Oak of the Golden Dream (same location as spring collection) 518 Comment
  RSA599026  Baccharis pilularis L. C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mountains: Head of Reynier Canyon off Sand Canyon 595 Comment
  RSA599027  Baccharis pilularis L. C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon 1/4 mi. southeast of Sierra Highway 451 Comment
  SFV12662  Baccharis pilularis M. H. Grayum, D. L. Koutnik 1977-11-25 897 Los Angeles San Gabriel Mountains Roadfill along Placerita Canyon Road. 572 Comment
  UCR277116  Baccharis pilularis R. G. Swinney 2010-10-5 13986 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  OBI56533  Baccharis pilularis var. consanguinea Louis C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mtns: Placerita Cayn ca. 1/2 mi beyond Oak of the Golden Dream (same location as spring collection). Comment
  CAS-BOT-BC482463  Baccharis salicifolia R. G. Swinney 2010-4-30 12463 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 mi E of Wilson Cyn. Debris Basin on S side of the ridge S of the southern of the two eastern forks of Wilson Cyn 616 Comment
  OBI51930  Baccharis salicifolia Suzan Barth, Steven Korenstein 1994-5-18 30 Los Angeles Placerita Cyn Walker Ranch, main trail from entrance crosses stream 245 Comment
  RSA0055946  Baccharis salicifolia Richard G. Swinney 2010-4-30 12463 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  RSA590592  Baccharis salicifolia Timothy S. Ross, Walter Appleby 1993-5-20 7189 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle. 951 Comment
  SFV18425  Baccharis salicifolia C. Ferguson 1972-4-7 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Walker Ranch end. Comment
  UCR258904  Baccharis salicifolia R. G. Swinney 2010-4-30 12463 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  UCSB27664  Baccharis salicifolia Lavinger, S. 1975-10-27 Los Angeles On Bear Divide 1 mile west from its junction with Little Tujunga Road; Little Tujunga Canyon 609 Comment
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Nov 12 2014
  UCD129470  Baccharis salicifolia subsp. salicifolia Elise Jackson 1993-4-25 44 Los Angeles Newhall, Placerita Canyon Nature Center, adjacent to parking lot. 487 Comment
  UCR137733  Bassia hyssopifolia L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Sand Canyon, Head of Placerita Canyon Hwy, Placerita Canyon Road 610 Comment
  CAS-BOT-BC75759  Berberis nevinii John Thomas Howell 1930-5-18 5170 Los Angeles Pacoima Wash at entrance to Pacoima Canyon, San Fernando Valley. Comment
  RSA0081297  Bidens pilosa R. G. Swinney 2010-4-30 12478 Los Angeles Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon. 482 Comment
  UCR271834  Bidens pilosa R. G. Swinney 2010-4-30 12478 Los Angeles San Gabriel Mts., Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon 482 Comment
  RSA0080967  Blitum californicum R. G. Swinney 2010-4-28 12405 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
  UCR271891  Blitum californicum R. G. Swinney 2010-4-28 12405 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
  RSA0062522  Bloomeria crocea R. G. Swinney 2010-6-4 13069 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UCR256158  Bloomeria crocea R. G. Swinney 2010-6-4 13069 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
  CAS-BOT-BC420335  Boykinia rotundifolia Tim Ross; Walter Appleby 1993-6-7 7368 Los Angeles W end of the San Gabriel Mtns: Los Pinetos Spring 886 Comment
  CAS-BOT-BC420336  Boykinia rotundifolia Tim Ross; Walter Appleby 1993-6-7 7368 Los Angeles W end of the San Gabriel Mtns: Los Pinetos Spring 886 Comment
  RSA584293  Boykinia rotundifolia T. S. Ross, Orlando Mistretta 1993-5-27 7338 Los Angeles W end of the San Gabriel Mountains: Wilson Canyon, along the riparian strip. 588 Comment
  RSA584306  Boykinia rotundifolia T. S. Ross, W. Appleby 1993-6-7 7368 -B Los Angeles W end of the San Gabriel Mountains: Los Pinetos Spring. 887 Comment
  RSA584329  Boykinia rotundifolia T. S. Ross, Walter Appleby 1993-6-7 7368 -A Los Angeles W end of San Gabriel Mtns: Los Pinetos Spring 887 Comment
  UCR108322  Boykinia rotundifolia L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mtns., Head of Whitney Canyon at Santa Clara Divide Road 915 Comment
  UCR276960  Boykinia rotundifolia R. G. Swinney 2010-6-8 13233 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream 671 Comment
  RSA724771  Brassica fruticulosa K. Dobry 1991-4-4 400 Los Angeles Elsmere Cyn. West San Gabriel Mts Comment
  RSA0055779  Brassica geniculata R. G. Swinney 2010-4-28 12385 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
  RSA0087233  Brassica geniculata R. G. Swinney 2010-4-23 12336 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0087389  Brassica geniculata R. G. Swinney 2010-5-25 12965 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0087390  Brassica geniculata R. G. Swinney 2010-5-25 12965 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0115254  Brassica geniculata Richard G. Swinney 2010-5-25 12945 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR252730  Brassica geniculata R. G. Swinney 2010-5-29 13416 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR258811  Brassica geniculata R. G. Swinney 2010-5-25 12965 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR258943  Brassica geniculata R. G. Swinney 2010-4-23 12336 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR259133  Brassica geniculata R. G. Swinney 2010-5-4 12535 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
  UCR259764  Brassica geniculata R. G. Swinney 2010-4-28 12385 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
  UCR260620  Brassica geniculata R. G. Swinney 2010-6-21 13296 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  RSA0069435  Brassica nigra R. G. Swinney 2010-6-8 13201 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  UCR256844  Brassica nigra R. G. Swinney 2010-6-8 13201 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
  GH404179  Brickellia nevinii P. H. Raven 1961-9-24 16757 Unknown road in Sand Creek 1 mile north of summit above Pacoima Canyon 731 Comment
  RSA0115260  Brickellia nevinii Richard G. Swinney 2010-10-5 13958 Los Angeles San Gabriel Mountains: Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  RSA507984  Brickellia nevinii Steve Boyd, Timothy S. Ross 1988-4-28 2237 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  UCR277138  Brickellia nevinii R. G. Swinney 2010-10-5 13958 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  RSA561595  Bromus carinatus var. carinatus Steve Boyd, Walter Appleby 1993-5-24 8164 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Along ridgeline on western side of Loop Canyon. 792 Comment
  RSA574275  Bromus carinatus var. carinatus Timothy S. Ross, Walter Appleby 1993-5-19 7173 Los Angeles Western San Gabriel Mountains: Long SSE-trending ridge S of Wilson Canyon Saddle. 948 Comment
  RSA578136  Bromus carinatus var. carinatus Timothy S. Ross, Walter Appleby 1993-5-20 7183 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle 951 Comment
  SEINET943624  Bromus carinatus var. carinatus Tim Ross, Walter Appleby 1993-1 7183 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle; San Fernando 7.5 (QUAD); Rancho Santa Ana Botanic Garden 950 Comment
  SEINET943625  Bromus carinatus var. carinatus Tim Ross, Walter Appleby 1993-1 7173 Los Angeles Wester San Gabriel Mountains, long SSE-trending ridge S. of Wilson Canyon Saddle, San Fernando 7.5 (Quad); Rancho Santa Ana Botanic Garden 954 Comment
  SEINET943644  Bromus carinatus var. carinatus Steve Boyd, Walter Appleby 1993-1 8164 Los Angeles Western San Gabriel Mountains, N. of Sylmar and S. of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Along ridgeline on western side of Loop Canyon; Rancho Santa Ana Botanic Garden 792 Comment
  UC1871123  Bromus carinatus var. carinatus T. S. Ross, Walter Appleby 1993-5-19 7173 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: Long SSE-trending ridge S of Wilson Canyon Saddle; San Fernando quad: R15W T3N, SW/4 NE/4 SE/4 sect. 9; elev. 3110 ft. 948 Comment
  CAS-BOT-BC534058  Bromus diandrus R. G. Swinney 2010-4-15 12224 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25--0.7 mi E of Pacoima Wash 524 Comment
  LA103551  Bromus diandrus Barry A. Prigge; 1986-3-29 sn Los Angeles San Gabriel Mountains, S of Canyon Country at Golden Valley X Antelope Valley freeway (State Highway 14) 457 Comment
  LA98897  Bromus diandrus E. R. Hobbs; 1979-5-6 79- 69 Los Angeles Placerita Canyon State and County Park Comment
  RSA0058248  Bromus diandrus Richard G. Swinney 2010-4-20 12278 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0073607  Bromus diandrus R. G. Swinney 2010-4-23 12331 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0087238  Bromus diandrus R. G. Swinney 2010-4-28 12381 Los Angeles 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
  RSA0116842  Bromus diandrus Richard G. Swinney 2010-5-25 12938 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA562560  Bromus diandrus Steve Boyd, Walter Appleby 1993-4-22 7976 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  UCR258875  Bromus diandrus R. G. Swinney 2010-4-23 12331 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258929  Bromus diandrus R. G. Swinney 2010-4-20 12278 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR259186  Bromus diandrus R. G. Swinney 2010-4-28 12381 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
  UCR259585  Bromus diandrus R. G. Swinney 2010-4-15 12224 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  RSA574276  Bromus grandis Timothy S. Ross, Walter Appleby 1993-5-20 7212 Los Angeles Western San Gabriel Mountains: Vicinity of Los Pinetos Spring. 899 Comment
  RSA578133  Bromus grandis Timothy S. Ross, Walter Appleby 1993-5-13 7128 Los Angeles Western San Gabriel Mountains: Steep northerly slope ca 850 meters NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 854 Comment
  SEINET3922541  Bromus grandis Tim Ross, Walter Appleby 1993-5-20 7212 Los Angeles Western San Gabrial Mtns. Vicinity of Low Pinetos Spring. San Fernando 7.5' USGS quad.; 0 899 Comment
  UC1871328  Bromus grandis T. S. Ross, Walter Appleby 1993-5-20 7212 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: Vicinity of Los Pinetos Spring 899 Comment
  LA98902  Bromus hordeaceus E. R. Hobbs; 1978-4-23 78 -167 Los Angeles Sand Canyon, W Santa Clara River Valley Comment
  RSA0085035  Bromus hordeaceus R. G. Swinney 2010-4-30 12444 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  RSA0106845  Bromus hordeaceus R. G. Swinney 2011-5-10 14632 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
  RSA0116802  Bromus hordeaceus Richard G. Swinney 2010-5-25 12936 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA578137  Bromus hordeaceus Timothy S. Ross, W. Appleby 1993-5-20 7195 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle 951 Comment
  SEINET13386963 Image available Bromus hordeaceus R. G. Swinney 2010-1 12444 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 536 Comment
  UCR260367  Bromus hordeaceus R. G. Swinney 2010-4-30 12444 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  UCR273372  Bromus hordeaceus R. G. Swinney 2011-5-10 14632 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA725305  Bromus hordeaceus subsp. hordeaceus K. Dobry 1991-6-14 d- 535 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UCR273761  Bromus madritensis R. G. Swinney 2011-5-10 14635 A Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA642714  Bromus pseudolaevipes Orlando Mistretta 1992-7-13 689 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  SBBG118482  Bromus pseudolaevipes O. Mistretta 1992-7-13 689 Los Angeles Los Pinetos Spring Cyn Trail Comment
  CAS-BOT-BC482462  Bromus rubens R. G. Swinney 2010-4-30 12462 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 mi E of Wilson Cyn. Debris Basin on S side of the ridge S of the southern of the two eastern forks of Wilson Cyn 616 Comment
  LA206360  Bromus rubens Barry A. Prigge; 1986-3-29 7146 Los Angeles San Gabriel Mountains, S of Canyon Country at Golden Valley X Antelope Valley freeway (State Highway 14) 457 Comment
  RSA0055947  Bromus rubens Richard G. Swinney 2010-4-30 12462 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  RSA0073608  Bromus rubens R. G. Swinney 2010-4-23 12332 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0077088  Bromus rubens R. G. Swinney 2010-4-15 12229 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0116843  Bromus rubens Richard G. Swinney 2010-5-25 12939 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  SEINET3923282  Bromus rubens K. Dobry 1991-3-15 422 Los Angeles Elsmere Canyon, West San Gabriel Mountains.; 0 Comment
  UCR258903  Bromus rubens R. G. Swinney 2010-4-30 12462 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  UCR258916  Bromus rubens R. G. Swinney 2010-4-23 12332 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR259568  Bromus rubens R. G. Swinney 2010-4-15 12229 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  CDA1848  Bromus sterilis L. C. Wheeler 1973-5-6 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Sand Canyon at Bear Canyon. Elev. 2000 . Comment
  RSA0077093  Bromus sterilis R. G. Swinney 2010-4-15 12224 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA601125  Bromus sterilis L. C. Wheeler 1967-6-26 9892 Los Angeles San Gabriel Mountains : Elsmere Canyon, south central. At the forks of the canyon, just north of the section line. 488 Comment
  RSA624541  Bromus sterilis L. C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mountains: Sand Canyon at Bear Canyon. 610 Comment
  UCR273762  Bromus tectorum R. G. Swinney 2011-5-10 14635 B Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA563525  Calocedrus decurrens T. S. Ross, Walter Appleby 1993-5-14 s.n. Los Angeles Western San Gabriel Mtns: 200m SSW of May Canyon Saddle and 330m NW of May Peak [3948 ] 1122 Comment
  UC1611539  Calocedrus decurrens Tim Ross and Walter Appleby 1993-5-14 Los Angeles 200 m ssw of May Canyon Saddle May Peak (330 m nw of May Peak); San Gabriel Mtns 975 Comment
  UCR259598  Calochortus catalinae R. G. Swinney 2010-6-8 13178 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  POM305745  Calochortus plummerae H. J. Ramsey, Henry J. Ramsey 1937-6-27 948 Los Angeles Bear Creek, north of Pacoima Reservoir, Angeles National Forest, San Gabriel Mountains. Comment
  RSA584591  Calochortus plummerae Timothy S. Ross, Walter Appleby 1993-6-7 7372 Los Angeles W end of the San Gabriel Mountains:N near mouth of Wilson Canyon ca 1 mi leN of Olive View Hospital and 0.6 mile NW of the Wilson Debris Basin. 219 Comment
  UCR252574  Calochortus plummerae R. G. Swinney 2010-6-21 13252 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  RSA744216  Calochortus simulans Jorge Ochoa, Leon Boroditsky 2009-5-1 1 Los Angeles Santa Susanna Mountains. Stetson Ranch. Hill over SW of park, above riding arena. On NW side of hill, N of telephone poles and electric lines. 30 ft N of pole #777343E. 120 ft N of Marie Feinberg plaque for the rim of the valley trail. 455 Comment
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Jun 23 2010
  RSA590475  Calochortus venustus Timothy S. Ross, Walter Appleby 1993-5-20 7208 Los Angeles Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring. 915 Comment
  RSA639555  Calochortus venustus Louis C. Wheeler 1967-5-18 9656 Los Angeles Divide between Reynier and Placerita Canyon. 609 Comment
  RSA639556  Calochortus venustus Louis C. Wheeler 1967-5-18 9657 Los Angeles Divide between Reynier and Placerita Canyon. 609 Comment
  UCD139605  Calochortus venustus Esfan Hesari 1993-5-4 s.n. Los Angeles Newhall, Walker ranch. 750 Comment
  UCR120891  Calochortus venustus L. C. Wheeler 1967-5-18 9656 Los Angeles Western Transverse Range; San Gabriel Mountains, Divide between Reynier and Placerita Canyon 610 Comment
  UCR258902  Calyptridium monandrum R. G. Swinney 2010-4-30 12461 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  UCR259138  Calyptridium monandrum R. G. Swinney 2010-5-4 12519 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
  RSA0067562  Calystegia macrostegia R. G. Swinney 2010-5-4 12495 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA0073611  Calystegia macrostegia R. G. Swinney 2010-4-23 12335 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0076020  Calystegia macrostegia R. G. Swinney 2010-4-15 12232 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0080977  Calystegia macrostegia R. G. Swinney 2010-4-28 12416 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
  RSA0084657  Calystegia macrostegia R. G. Swinney 2010-3-10 11815 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR255820  Calystegia macrostegia R. G. Swinney 2010-5-4 12495 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR258499  Calystegia macrostegia R. G. Swinney 2010-3-10 11815 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR259565  Calystegia macrostegia R. G. Swinney 2010-4-15 12232 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR259902  Calystegia macrostegia R. G. Swinney 2010-4-23 12335 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR271887  Calystegia macrostegia R. G. Swinney 2010-4-28 12416 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
  RSA590514  Calystegia macrostegia subsp. intermedia T. S. Ross, Walter Appleby 1993-5-19 7177 Los Angeles Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. 804 Comment
  RSA710775  Calystegia macrostegia subsp. intermedia R. K. Brummitt, S. D. Boyd 1998-5-25 20020 Los Angeles NW end of San Gabriel Mtns., 12 km N of San Fernando just E of Rte. 14 545 Comment
  UC1871229  Calystegia macrostegia subsp. intermedia T. S. Ross, Walter Appleby 1993-5-19 7177 Los Angeles Transverse Ranges: San Gabriel Mtns region; Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle; San Fernando 7.5' USGS quad; R15W T3N, NE/4 SW/4 SW/4 NW/4 sect. 15; ca 2,640 ft. elevation. 804 Comment
  UCR159910  Calystegia macrostegia subsp. intermedia Orlando Mistretta 1992-7-13 678 Los Angeles Transverse Ranges; San Gabriel Mountains region, Los Pinetos Spring Canyon Trail 915 Comment
  RSA0070332  Calystegia peirsonii R. G. Swinney 2010-6-8 13177 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream. 494 Comment
  RSA563512  Calystegia peirsonii T. S. Ross, S. D. Boyd 1993-6-30 7384 Los Angeles 500 m NNW of May Canyon Saddle. 978 Comment
  RSA648040  Calystegia peirsonii Orlando Mistretta 1992-7-13 678 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  UCR259597  Calystegia peirsonii R. G. Swinney 2010-6-8 13177 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  RSA0055772  Camissonia bistorta R. G. Swinney 2010-4-28 12390 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
  RSA0080778  Camissonia bistorta R. G. Swinney 2010-4-13 12201 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon. 561 Comment
  RSA507987  Camissonia bistorta Steve Boyd, T. S. Ross 1988-4-28 2242 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  UCR259773  Camissonia bistorta R. G. Swinney 2010-4-28 12390 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
  UCR269944  Camissonia bistorta R. G. Swinney 2010-4-13 12201 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR62144  Camissonia bistorta Steve Boyd, T. S. Ross 1988-4-28 2242 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  RSA0039641  Camissonia californica R. G. Swinney 2010-5-29 13410 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0042038  Camissonia californica R. G. Swinney 2010-5-4 12484 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA0058232  Camissonia californica Richard G. Swinney 2010-4-23 12344 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0087383  Camissonia californica R. G. Swinney 2010-5-25 12972 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA590516  Camissonia californica Tim S. Ross, Walter Appleby 1993-5-19 7178 Los Angeles Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. 805 Comment
  RSA615522  Camissonia californica Louis C. Wheeler 1967-5-18 9615 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  SEINET13203124 Image available Camissonia californica R. G. Swinney 2010-1 12484 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. (San Fernando 7.5' Q.) (T3N R15W S20) 488 Comment
  UCR108653  Camissonia californica L. C. Wheeler 1967-5-18 9615 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR252735  Camissonia californica R. G. Swinney 2010-5-29 13410 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  RSA561579  Camissonia confusa Steve Boyd, Orlando Mistretta 1993-5-18 8149 Los Angeles Upper Sombrero Canyon, just below western end of Sombrero Rd. (3N64) 792 Comment
  RSA584289  Camissonia confusa Tim S. Ross, Orlando Mistretta 1993-5-27 7344 Los Angeles W end of the San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon. 686 Comment
  UCR79375  Camissonia confusa Steve Boyd, Orlando Mistretta 1993-5-18 8149 Los Angeles W San Gabriel Mtns, N of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Upper Sombrero Canyon, just below western end of Sombrero Road (36N4) 915 Comment
  RSA0049474  Camissonia hirtella Richard G. Swinney 2010-4-20 12273 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0055780  Camissonia hirtella R. G. Swinney 2010-4-28 12427 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
  RSA0082960  Camissonia hirtella R. G. Swinney 2010-4-23 12359 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0087059  Camissonia hirtella R. G. Swinney 2010-4-28 12382 Los Angeles 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
  RSA305723  Camissonia hirtella Henry J. Ramsey, Henry J. Ramsey 1937-6-27 931 Los Angeles Bear Creek, north Pacoima Reservoir, Angeles National Forest. Comment
  RSA563520  Camissonia hirtella Tim S. Ross, Walter Appleby 1993-5-14 7140 Los Angeles Western San Gabriel Mountains: ca 720 meters SW of Wilson Canyon Saddle and 260 meters SE of knoll-top Radio Facility, on E side of ridge above Wilson Canyon Road 1043 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
  UCR255775  Camissonia hirtella R. G. Swinney 2010-5-4 12491 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
  UCR258584  Camissonia hirtella R. G. Swinney 2010-4-23 12359 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR259127  Camissonia hirtella R. G. Swinney 2010-4-28 12382 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
  UCR259380  Camissonia hirtella R. G. Swinney 2010-4-20 12273 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR259955  Camissonia hirtella R. G. Swinney 2010-4-28 12427 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
  RSA0085350  Camissonia strigulosa R. G. Swinney 2010-4-28 12379 Los Angeles 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
  RSA0107284  Camissonia strigulosa R. G. Swinney 2011-5-10 14659 Los Angeles San Gabriel Mountains: Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch. 573 Comment
  RSA507528  Camissonia strigulosa Louis C. Wheeler 1967-5-18 9644 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  SD248463  Camissonia strigulosa R. G. Swinney 2010-4-28 12379 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Canyon (at Wilson Debris Basin) to 0.5 miles east (upstream) below National Forest boundary (San Fernando 7.5'Q) 487 Comment
  UCR259142  Camissonia strigulosa R. G. Swinney 2010-4-28 12379 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
  UCR273551  Camissonia strigulosa R. G. Swinney 2011-5-10 14659 Los Angeles San Gabriel Mountains, Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch 573 Comment
  RSA0116483  Camissoniopsis R. G. Swinney 2010-5-25 12948 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR273267  Camissoniopsis R. G. Swinney 2011-5-10 14653 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  UCR277217  Camissoniopsis R. G. Swinney 2010-5-25 12948 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA0103470  Camissoniopsis confusa R. G. Swinney 2011-5-10 14648 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  UCR273298  Camissoniopsis confusa R. G. Swinney 2011-5-10 14648 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  UCR273299  Camissoniopsis hirtella R. G. Swinney 2011-5-10 14649 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  RSA0103469  Camissoniopsis micrantha R. G. Swinney 2011-5-10 14647 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  UCR273297  Camissoniopsis micrantha R. G. Swinney 2011-5-10 14647 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  SFV15557  Capsella bursa-pastoris R. K. Stachelek 1992-4-14 16 Los Angeles San Gabriel Mountains Sylmar, Stetson Ranch Park. Along dirt road off of main fire road. 500 Comment
  RSA0069438  Carduus pycnocephalus R. G. Swinney 2010-6-8 13206 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA617361  Carduus pycnocephalus Steve Boyd, Richard K. Brummitt, Laura Moore 1998-5-26 10226 Los Angeles San Gabriel Mountains: north base of the range, just to the south of Hwy 14 at Golden Valley Road, Placerita Canyon watershed. 549 Comment
  UCR108195  Carduus pycnocephalus Steve Boyd, R. K. Brummitt, Laura A. Moore 1998-5-26 10226 Los Angeles San Gabriel Mtns., north base of range, just to the south of Hwy 14 at Golden Valley Road, Placerita Canyon watershed. 549 Comment
  UCR256476  Carduus pycnocephalus R. G. Swinney 2010-6-8 13206 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
  UCR259381  Carduus pycnocephalus R. G. Swinney 2010-4-20 12275 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR260359  Carduus pycnocephalus R. G. Swinney 2010-4-30 12449 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  RSA0085034  Carex R. G. Swinney 2010-4-30 12445 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
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Sep 12 2018
  RSA0110923  Carex R. G. Swinney 2010-10-5 13979 Los Angeles San Gabriel Mountains: east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
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Sep 12 2018
  UCR277119  Carex R. G. Swinney 2010-10-5 13979 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
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Sep 12 2018
  UCR259255  Carex alma R. G. Swinney 2010-6-4 12998 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
  RSA724713  Carex senta K. Dobry 1991-3-15 425 -a Los Angeles San Gabriel Mts. Upper Elsmere Cyn Comment
  UCR260366  Carex senta R. G. Swinney 2010-4-30 12445 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  RSA0083126  Castilleja minor subsp. spiralis R. G. Swinney 2010-6-4 13027 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UCR256216  Castilleja minor subsp. spiralis R. G. Swinney 2010-6-4 13027 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
  RSA0086852  Caucalis microcarpa R. G. Swinney 2011-5-3 14560 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  UCR271487  Caucalis microcarpa R. G. Swinney 2011-5-3 14560 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  GH403873  Caulanthus amplexicaulis T. S. Ross & Walter Appleby 1993-5-13 7109 Unknown Western San Gabriel Mtns: May Canyon Saddle; San Fernando 7.5' USGS quad: R15W T3N, NE/4 SE/4 SE/4 sect 10 1115 Comment
  UC1871023  Caulanthus amplexicaulis T. S. Ross, Walter Appleby 1993-5-13 7109 Los Angeles San Gabriel Mountains; Western San Gabriel Mtns: May Canyon Saddle, San Fernando, Alt 3660ft 1115 Comment
  UCR252562  Caulanthus amplexicaulis R. G. Swinney 2010-6-21 13263 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  RSA563500  Caulanthus amplexicaulis var. amplexicaulis Timothy S. Ross, Walter Appleby 1993-5-13 7109 Los Angeles Western San Gabriel Mtns: May Canyon Saddle, San Fernando 1115 Comment
  RSA0103473  Caulanthus lasiophyllus R. G. Swinney 2011-5-10 14654 Los Angeles San Gabriel Mountains: Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch 573 Comment
  UCR273268  Caulanthus lasiophyllus R. G. Swinney 2011-5-10 14654 Los Angeles San Gabriel Mountains, Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch 573 Comment
  CAS-BOT-BC48732  Ceanothus crassifolius Tim Ross; Orlando Mistretta 1993-5-27 7319 Los Angeles W end of the San Gabriel Mtns: southwesterly draw 1200 ft WSW of May Canyon Saddle. 1060 Comment
  CAS-BOT-BC48756  Ceanothus crassifolius Tim Ross; Orlando Mistretta 1993-5-26 7299 Los Angeles W end of the San Gabriel Mtns: southerly slope off the main E/W divide about midway 993 Comment
  LA41985  Ceanothus crassifolius C. L. Hogue; 1954-4-11 sn Los Angeles Pacoima, Small side canyon off Pacoima Canyon 548 Comment
  RSA0039461  Ceanothus crassifolius R. G. Swinney 2010-6-21 13254 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA0087385  Ceanothus crassifolius R. G. Swinney 2010-5-25 12974 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA398861  Ceanothus crassifolius L. E. Hoffman 1932-3-8 16303 Los Angeles Placerita Canyon, San Gabriel Mountains. Comment
  RSA399846  Ceanothus crassifolius L. E. Hoffman 1932-3-8 s.n. Los Angeles Placerita Canyon, San Gabriel Mountains. Comment
  RSA590519  Ceanothus crassifolius Tim S. Ross, W. Appleby 1993-5-19 7180 Los Angeles Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. 768 Comment
  UC1871016  Ceanothus crassifolius T. S. Ross, W. Appleby 1993-5-19 7180 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle; San Fernando 7.5' USGS quad; R15W T3N NE/4 NW/4 SW/4 sect 15; elevation ca. 2520 ft. 768 Comment
  UCD111438  Ceanothus crassifolius Kenneth A. Wilson; D. E. Bianchi 1961-2-2 819 Los Angeles San Gabriel Mountains. Placerita Road. 2 miles east of Route 6. Comment
  UCR252572  Ceanothus crassifolius R. G. Swinney 2010-6-21 13254 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  UCR258815  Ceanothus crassifolius R. G. Swinney 2010-5-25 12974 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  SBBG17034  Ceanothus crassifolius var. crassifolius K. A. Wilson, D. E. Bianchi 1961-2-2 842 Los Angeles Placerita Rd; small gully 2 mi E of Hwy 6 Comment
  RSA584215  Ceanothus crassifolius var. planus Tim S. Ross, Orlando Mistretta 1993-5-27 7319 Los Angeles W end of the San Gabriel Mtns: southwesterly draw 1200 ft. WSW of May Canyon Saddle. 1061 Comment
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Sep 30 2014
  RSA584288  Ceanothus crassifolius var. planus Tim S. Ross, Orlando Mistretta 1993-5-26 7299 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
  RSA0043004  Ceanothus leucodermis R. G. Swinney 2010-6-21 13255 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA562545  Ceanothus leucodermis Steve Boyd, W. Appleby 1993-4-22 8001 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  RSA724568  Ceanothus leucodermis K. Dobry 1991-4-22 462 Los Angeles West San Gabriel Mts. along Sand Cyn to Whitney Cyn Comment
  RSA724570  Ceanothus leucodermis K. Dobry 1991-4-22 461 Los Angeles West San Gabriel Mts. along Sand Cyn to Whitney Cyn Comment
  UCR252571  Ceanothus leucodermis R. G. Swinney 2010-6-21 13255 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  RSA0116692  Ceanothus oliganthus R. G. Swinney 2010-5-25 12929 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR277240  Ceanothus oliganthus R. G. Swinney 2010-5-25 12929 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA0106841  Ceanothus oliganthus subsp. oliganthus R. G. Swinney 2011-5-10 14638 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
  UCR273558  Ceanothus oliganthus subsp. oliganthus R. G. Swinney 2011-5-10 14638 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA562578  Ceanothus oliganthus var. oliganthus Steve Boyd, W. Appleby 1993-4-22 7992 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  RSA642711  Ceanothus oliganthus var. oliganthus Orlando Mistretta 1992-7-13 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  UC1070911  Ceanothus oliganthus var. oliganthus A. Lewis 1933-6-1 213 Los Angeles Pacoima Canyon San Fernando quad., Angeles Nat. For. 1005 Comment
  RSA0042039  Centaurea melitensis R. G. Swinney 2010-5-4 12485 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA0053864  Centaurea melitensis R. G. Swinney 2010-4-28 12439 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of the eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0055981  Centaurea melitensis Richard G. Swinney 2010-5-25 12979 Los Angeles San Gabriel Mountains; just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0069439  Centaurea melitensis R. G. Swinney 2010-6-8 13194 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0088008  Centaurea melitensis R. G. Swinney 2010-6-21 13299 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  SEINET13203128 Image available Centaurea melitensis R. G. Swinney 2010-1 12485 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. (San Fernando 7.5' Q.) (T3N R15W S20) 488 Comment
  UCR255850  Centaurea melitensis R. G. Swinney 2010-5-4 12485 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR256473  Centaurea melitensis R. G. Swinney 2010-6-8 13194 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
  UCR258808  Centaurea melitensis R. G. Swinney 2010-5-25 12979 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR259364  Centaurea melitensis R. G. Swinney 2010-4-20 12290 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR259921  Centaurea melitensis R. G. Swinney 2010-4-28 12439 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  UCR260389  Centaurea melitensis R. G. Swinney 2010-6-21 13299 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  RSA0083121  Cercocarpus betuloides R. G. Swinney 2010-6-4 13030 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UCR256162  Cercocarpus betuloides R. G. Swinney 2010-6-4 13030 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
  CAS-BOT-BC279520  Chaenactis artemisiifolia Tim Ross; Orlando Mistretta 1993-5-27 7326 Los Angeles W end of the San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 768 Comment
  RSA0036980  Chaenactis artemisiifolia R. G. Swinney 2010-5-29 13399 Los Angeles San Gabriel Mountains: junction of W. Fork May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0053863  Chaenactis artemisiifolia R. G. Swinney 2010-4-28 12426 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of the eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0058225  Chaenactis artemisiifolia Richard G. Swinney 2010-4-23 12351 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0087064  Chaenactis artemisiifolia R. G. Swinney 2010-5-4 12518 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  RSA0088259  Chaenactis artemisiifolia R. G. Swinney 2010-5-25 12968 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA507980  Chaenactis artemisiifolia Steve Boyd, Timothy S. Ross 1988-4-28 2235 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  UCR120618  Chaenactis artemisiifolia Steve Boyd, T. S. Ross 1988-4-28 2235 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  UCR252894  Chaenactis artemisiifolia R. G. Swinney 2010-5-29 13399 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR255769  Chaenactis artemisiifolia R. G. Swinney 2010-5-4 12489 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
  UCR256184  Chaenactis artemisiifolia R. G. Swinney 2010-6-4 13070 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
  UCR258785  Chaenactis artemisiifolia R. G. Swinney 2010-5-25 12968 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR258912  Chaenactis artemisiifolia R. G. Swinney 2010-4-23 12351 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR259137  Chaenactis artemisiifolia R. G. Swinney 2010-5-4 12518 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
  UCR259935  Chaenactis artemisiifolia R. G. Swinney 2010-4-28 12426 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
  RSA0115252  Chaenactis glabriuscula Richard G. Swinney 2010-6-8 13222 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  SFV16016  Chaenactis glabriuscula P. W. Byrne, H. Levin 1994-4-10 9 Los Angeles San Gabriel Mountains Live Oak Campground, along Bear Canyon. 600 Comment
  UCR259681  Chaenactis glabriuscula R. G. Swinney 2010-4-13 12205 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR270514  Chaenactis glabriuscula R. G. Swinney 2010-4-13 12192 A Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR277047  Chaenactis glabriuscula R. G. Swinney 2010-6-8 13222 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  CAS-BOT-BC277362  Chaenactis glabriuscula var. glabriuscula Steve Boyd; Tim Ross 1988-4-28 2231 Los Angeles West end of San Gabriel Mtns, Sand Canyon E of Saugus. In small side canyon. Angeles National Forest 792 Comment
  RSA0069846  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-4-20 12299 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0080972  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-4-28 12400 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
  RSA0091119  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-4-13 12180 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
  RSA507977  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Timothy S. Ross 1988-4-28 2231 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA562558  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Orlando Mistretta 1993-5-11 8122 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of Forest on ridge dividing Whitney Canyon and Placerita Canyon 488 Comment
  SEINET13297606 Image available Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-1 12180 Los Angeles San Gabriel Mountains: 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom (San Fernando 7.5' Q.) (T3N R14W S19) 610 Comment
  UC1871091  Chaenactis glabriuscula var. glabriuscula T. S. Ross, Walter Appleby 1993-5-20 7181 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle; San Fernando quad: R15W T3N, NE/4 SE/4 sect. 9; elev. ca. 3120 ft. 951 Comment
  UCR255786  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-4-20 12299 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR259774  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-4-28 12389 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
  UCR270527  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-4-13 12180 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  UCR271812  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-4-28 12400 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
  UCR120619  Chaenactis glabriuscula var. tenuifolia Steve Boyd, T. S. Ross 1988-4-28 2231 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  RSA0115448  Chenopodium R. G. Swinney 2010-10-5 13974 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, west of Oak of the Golden Dreams, at west boundary of park. 451 Comment
  RSA0115450  Chenopodium 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
  UCR277234  Chenopodium R. G. Swinney 2010-10-5 13974 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, west of 'Oak of the Golden Dreams', at west boundary of park 451 Comment
  RSA610543  Chenopodium album L. C. Wheeler 1968-8-20 s.n. Los Angeles Los Pinetos Canyon Spring. 854 Comment
  RSA610544  Chenopodium album L. C. Wheeler 1968-8-20 s.n. Los Angeles Los Pinetos Canyon Spring. 854 Comment
  POM307321  Chenopodium berlandieri Henry J. Ramsey, Henry J. Ramsey 1937-8-7 2218 Los Angeles Sand Canyon, San Gabriel Mountains Comment
  RSA0053870  Chenopodium berlandieri R. G. Swinney 2010-4-28 12432 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of the eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0064058  Chenopodium berlandieri R. G. Swinney 2010-4-20 12306 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0080644  Chenopodium berlandieri R. G. Swinney 2010-5-29 13008 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA0082962  Chenopodium berlandieri R. G. Swinney 2010-4-23 12355 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  SEINET8043939 Image available Chenopodium berlandieri R. G. Swinney 2010-1 12432 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
  UCR255795  Chenopodium berlandieri R. G. Swinney 2010-4-20 12306 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR258565  Chenopodium berlandieri R. G. Swinney 2010-5-29 13008 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCR258588  Chenopodium berlandieri R. G. Swinney 2010-4-23 12355 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR259751  Chenopodium berlandieri R. G. Swinney 2010-4-28 12432 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
  UCR259942  Chenopodium berlandieri R. G. Swinney 2010-4-13 12211 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR277094  Chenopodium berlandieri R. G. Swinney 2010-10-5 13993 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 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
  RSA584106  Chenopodium botrys T. S. Ross, Steve D. Boyd 1990-5-15 2516 Los Angeles Live Oak Campground, Tujunga Ranger Distruct, Angeles National Forestr; at the confluence of Sand Canyon and Bear Canyon. (draining to the Santa Clara River about 3.5 miles north) 646 Comment
  RSA584333  Chenopodium botrys T. S. Ross, Orlando Mistretta 1993-5-26 7306 Los Angeles W end of the San Gabriel Mtns: Santa Clara Road (USFS) between Wilson Canyon Saddle and May Canyon saddle. Seepy northerly draw at roadside, head of a tributary of Los Pinetos Canyon. 1043 Comment
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Sep 30 2014
  RSA0069434  Chenopodium murale R. G. Swinney 2010-6-8 13218 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0087063  Chenopodium murale R. G. Swinney 2010-5-4 12531 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  UCR256843  Chenopodium murale R. G. Swinney 2010-6-8 13218 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
  UCR259136  Chenopodium murale R. G. Swinney 2010-5-4 12531 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
  RSA0039464  Chlorogalum pomeridianum R. G. Swinney 2010-6-21 13250 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  UCR252559  Chlorogalum pomeridianum R. G. Swinney 2010-6-21 13250 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  UCR258896  Chlorogalum pomeridianum R. G. Swinney 2010-4-30 12470 Los Angeles San Gabriel Mountains, 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
  CAS-BOT-BC244655  Chorizanthe staticoides Steve Boyd; Tim Ross 1988-4-28 2250 Los Angeles West end of San Gabriel Mtns, Sand Canyon E of Saugus. In a small side canyon. Angeles National Forest. 792 Comment
  RSA0115404  Chorizanthe staticoides R. G. Swinney 2010-5-29 13244 Los Angeles San Gabriel Mountains; May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54. 610 Comment
  RSA226108  Chorizanthe staticoides Robert F. Thorne, C. W. Tilforth 1971-6-17 39913 -b Los Angeles 1 mile up Placerita Canyon from junction with Antelope Valley Freeway, W end of San Gabriel Mountains 488 Comment
  RSA507995  Chorizanthe staticoides Steve Boyd, Tim S. Ross 1988-4-28 2250 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA562540  Chorizanthe staticoides Steve Boyd, Orlando Mistretta 1993-5-11 8121 Los Angeles North of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of Forest on ridge dividing Whitney Canyon and Placerita Canyon. 488 Comment
  SD46365  Chorizanthe staticoides Darley F. Howe 1956-7-1 2551 Los Angeles Near San Fernando, San Gabriel Mts. Comment
  UCR121239  Chorizanthe staticoides Steve Boyd, T. S. Ross 1988-4-28 2250 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  UCR277126  Chorizanthe staticoides R. G. Swinney 2010-5-29 13244 Los Angeles San Gabriel Mountains, May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54 854 Comment
  UCR277133  Chorizanthe staticoides R. G. Swinney 2010-5-25 12952 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Manzanita Trail 150 meters south of Nature Center 488 Comment
  UCSB1350  Chorizanthe staticoides Kamb, Peter 1948-6-26 Los Angeles Little Tujunga Road at ridge dividing Pacoima and Bear Canyons, San Gabriel Mts. 822 Comment
  RSA601690  Chrysothamnus nauseosus subsp. hololeucus L. C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon ca. 1/2 mi. beyond Oak of the Golden Dream (same location as spring collection) 518 Comment
  RSA0085289  Cirsium occidentale R. G. Swinney 2010-4-30 12472 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
  UCR258882  Cirsium occidentale R. G. Swinney 2010-4-30 12472 Los Angeles San Gabriel Mountains, 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
  RSA0068443  Cirsium occidentale var. californicum R. G. Swinney 2010-6-8 13210 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0073606  Cirsium occidentale var. californicum R. G. Swinney 2010-4-23 12339 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  UCR256876  Cirsium occidentale var. californicum R. G. Swinney 2010-6-8 13210 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
  UCR258936  Cirsium occidentale var. californicum R. G. Swinney 2010-4-23 12339 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA0062626  Cirsium occidentale var. coulteri R. G. Swinney 2010-6-8 13188 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0085349  Cirsium occidentale var. coulteri R. G. Swinney 2010-4-28 12378 Los Angeles 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
  RSA0087033  Cirsium occidentale var. coulteri R. G. Swinney 2010-4-13 12212 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  UCR256463  Cirsium occidentale var. coulteri R. G. Swinney 2010-6-8 13188 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
  UCR258755  Cirsium occidentale var. coulteri R. G. Swinney 2010-5-25 12960 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR259143  Cirsium occidentale var. coulteri R. G. Swinney 2010-4-28 12378 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
  UCR259940  Cirsium occidentale var. coulteri R. G. Swinney 2010-4-13 12212 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA507973  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross 1988-4-28 2227 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA724615  Cistanthe monandra K. Dobry 1990-5-2 563 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  RSA226054  Cistus creticus R. F. Thorne, C. W. Tilforth 1971-6-17 39920 Los Angeles Angeles National Forest; at Bear Divide station 822 Comment
  RSA563516  Cistus creticus T. S. Ross, Walter Appleby 1993-4-15 6821 Los Angeles Western SAn Gabriel Mts: southerly draw ca 515 m ssw of May canyon saddle, draining to Wilson Canyon 1011 Comment
  RSA590556  Cistus creticus T. S. Ross, Walter Appleby 1993-5-20 7186 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle. 951 Comment
  CAS-BOT-BC223893  Cistus incanus Tim Ross; Walter Appleby 1993-4-15 6821 Los Angeles Western San Gabriel Mtns: Southerly draw ca 515 m SSW of May Canyon Saddle, draining to Wilson Canyon; disturbed area on N side of Loop Canyon Road 1011 Comment
  RSA0082603  Cistus incanus R. G. Swinney 2010-6-21 13306 Los Angeles 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail. 951 Comment
  UC1611556  Cistus incanus Tim Ross and Walter Appleby 1993-4-15 6821 Los Angeles southerly draw ca. 515 m ssw May Canyon Saddle (draining to Wilson Canyon, disturbed area on n side of Loop Canyon Rd.); Western San Gabriel Mtns., San Fernando 7.5' USGS Quad. 1011 Comment
  UC1871029  Cistus incanus T. S. Ross, Walter Appleby 1993-5-20 7186 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle; San Fernando quad: R15W T3N, NE/4 SE/4 sect. 9 Comment
  UCR259040  Cistus incanus R. G. Swinney 2010-6-21 13306 Los Angeles San Gabriel Mountains, 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail 951 Comment
  CAS-BOT-BC223894  Cistus ladanifer Tim Ross; Walter Appleby 1993-5-13 7112 Los Angeles Western San Gabriel Mtns: May Canyon Saddle 1115 Comment
  RSA563497  Cistus ladanifer T. S. Ross, Walter Appleby 1993-5-13 7112 Los Angeles Western San Gabriel Mtns: May Canyon Saddle, San Fernando. 1115 Comment
  RSA563515  Cistus ladanifer T. S. Ross, Walter Appleby 1993-4-15 6820 Los Angeles Western SAn Gabriel Mts: southerly draw ca 515 m ssw of May canyon saddle, draining to Wilson Canyon 1011 Comment
  RSA651386  Cistus ladanifer T. Strid 1972-4-29 s.n. Los Angeles L.A.S.Co.A. Fire Plot, Los Pinetos Guard Sta. 1097 Comment
  CAS-BOT-BC223883  Cistus salviifolius Tim Ross; Walter Appleby 1993-4-15 6822 Los Angeles Western San Gabriel Mtns: Southerly draw ca 515 m SSW of May Canyon Saddle, draining to Wilson Canyon; disturbed area on N side of Loop Canyon Road 1011 Comment
  RSA563517  Cistus salviifolius T. S. Ross, Walter Appleby 1993-4-15 6822 Los Angeles Western SAn Gabriel Mts: southerly draw ca 515 m ssw of May canyon saddle, draining to Wilson Canyon 1011 Comment
  UC1611557  Cistus salviifolius Tim Ross and Walter Appleby 1993-4-15 6822 Los Angeles Western San Gabriel Mtns: Southerly draw ca 515 m SSW of May Canyon Saddle, draining to Wilson Canyon; disturbed area on N side of Loop Canyon Road. Comment
  CAS-BOT-BC172438  Clarkia bottae Tim Ross; Orlando Mistretta 1993-5-27 7328 Los Angeles W end of San Gabriel Mtns., ridge dropping westward from Loop Canyon road (at 3060 ft) toward Wilson Canyon 670 Comment
  CAS-BOT-BC172439  Clarkia bottae Tim Ross; Steve Boyd 1988-4-28 2230 Los Angeles West end of San Gabriel Mtns., Sand Canyon E of Saugus, in small side canyon, Angeles National Forest 792 Comment
  RSA0085031  Clarkia bottae R. G. Swinney 2010-6-21 13277 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA0115257  Clarkia bottae Richard G. Swinney 2010-5-25 12942 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA507976  Clarkia bottae Steve Boyd, T. S. Ross 1988-4-28 2230 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA562552  Clarkia bottae Steve Boyd, Orlando Mistretta 1993-5-11 8129 Los Angeles North of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of Forest on ridge dividing Whitney Canyon and Placerita Canyon. 488 Comment
  RSA584219  Clarkia bottae Tim S. Ross 1993-5-27 7328 Los Angeles W end of the San Gabriel Mts.: Wilson Canyon, along the riparian strip. 625 Comment
  RSA648039  Clarkia bottae Orlando Mistretta 1992-7-13 679 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  SFV16012  Clarkia bottae P. W. Byrne, M. Hill 1994-5-15 43 Los Angeles San Gabriel Mountains Bear Canyon at Liver Oak Campground. South side of dry riverbed. 600 Comment
  UCD104357  Clarkia bottae Dolores Hainey; Alex Rudinger 1996-5-9 7 Los Angeles Walker Ranch, 1/4 mile from gate along Oakpass trail. Comment
  UCR159913  Clarkia bottae Orlando Mistretta 1992-7-13 679 Los Angeles Transverse Ranges; San Gabriel Mountains region, Los Pinetos Spring Canyon Trail 915 Comment
  UCR256440  Clarkia bottae R. G. Swinney 2010-6-4 13024 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
  UCR260363  Clarkia bottae R. G. Swinney 2010-6-21 13277 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UCR277028  Clarkia bottae R. G. Swinney 2010-5-25 12942 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  SFV2478  Clarkia cylindrica K. A. Wilson 1962-5-26 1287 Los Angeles San Gabriel Mountains Placerita Canyon, about 1 mile east of Highway 6. 500 Comment
  CAS-BOT-BC172258  Clarkia cylindrica subsp. cylindrica Timothy S. Ross; Steve Boyd 1990-5-15 2520 Los Angeles Live Oak Campground, Tujunga Range District, Angeles National Forest, at the confluence of Sand Canyon and Bear Canyon (draining to the Santa Clara River about 3.5 miles north), San Gabriel Mountains 670 Comment
  RSA458826  Clarkia cylindrica subsp. cylindrica Kenneth A. Wilson 1962-5-26 1287 Los Angeles Placerita Canyon, about one mile east of Hwy 6. Comment
  RSA584104  Clarkia cylindrica subsp. cylindrica Tim S. Ross, Steve D. Boyd 1990-5-15 2520 Los Angeles Live Oak Campground, Tujunga Ranger Distruct, Angeles National Forestr; at the confluence of Sand Canyon and Bear Canyon. (draining to the Santa Clara River about 3.5 miles north) 646 Comment
  RSA618667  Clarkia cylindrica subsp. cylindrica Louis C. Wheeler 1967-5-18 9638 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  SBBG17117  Clarkia cylindrica subsp. cylindrica K. A. Wilson 1962-5-26 1287 Los Angeles Placerita Cynm, ca. 1 mi E of Hwy 6 Comment
  UCR139126  Clarkia cylindrica subsp. cylindrica L. C. Wheeler 1967-5-18 9638 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR121231  Clarkia deflexa Steve Boyd, T. S. Ross 1988-4-28 2230 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  UCR273559  Clarkia purpurea R. G. Swinney 2011-5-10 14637 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA0087867  Clarkia purpurea subsp. quadrivulnera R. G. Swinney 2010-6-21 13272 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA0115253  Clarkia purpurea subsp. quadrivulnera Richard G. Swinney 2010-5-25 12946 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA512035  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1967-5-18 9645 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  RSA590553  Clarkia purpurea subsp. quadrivulnera Tim S. Ross, W. Appleby 1993-5-19 7168 Los Angeles Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road 951 Comment
  RSA617926  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1967-5-18 9645 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  UC1871032  Clarkia purpurea subsp. quadrivulnera T. S. Ross, W. Appleby 1993-5-19 7168 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road; San Fernando 7.5' USGS quad; R15W T3N, NW/4 SE/4 NE/4 SE/4 sect 9; ca 3120 ft elevation. 951 Comment
  UCR260402  Clarkia purpurea subsp. quadrivulnera R. G. Swinney 2010-6-21 13272 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UCR277212  Clarkia purpurea subsp. quadrivulnera R. G. Swinney 2010-5-25 12946 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  POM305739  Clarkia unguiculata Henry J. Ramsey, Henry J. Ramsey 1937-6-27 915 Los Angeles Angeles National Forest: Bear Creek, north of Pacoima Reservoir. 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
  RSA0073360  Clarkia unguiculata R. G. Swinney 2010-6-21 13304 Los Angeles 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail. 951 Comment
  RSA0088004  Clarkia unguiculata R. G. Swinney 2010-6-21 13280 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA0115271  Clarkia unguiculata Richard G. Swinney 2010-5-25 12913 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA507975  Clarkia unguiculata Steve Boyd, T. S. Ross 1988-4-28 2229 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA561606  Clarkia unguiculata Steve Boyd, Orlando Mistretta 1993-5-18 8154 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tuhunga Ranger District of the Angeles National Forest. Upper Sombrero Canyon, just below western end of Sombrero Road (3N64). 792 Comment
  RSA561823  Clarkia unguiculata Steve Boyd, Orlando Mistretta 1993-6-3 8177 Los Angeles Western San Gabriel Mountains: north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest., North of Santa Clara Rd (3N17.9) at head of eastern-most canyons, 1/4 mile northeast of May Canyon saddle. 915 Comment
  RSA584291  Clarkia unguiculata Tim S. Ross, Orlando Mistretta 1993-5-27 7340 Los Angeles W end of the San Gabriel Mountains: Wilson Canyon, along the riparian strip. 588 Comment
  RSA590476  Clarkia unguiculata Tim S. Ross, W. Appleby 1993-5-20 7210 Los Angeles Western San Gabriel Mts: vicinity of Los Pinetos Spring. 890 Comment
  RSA648038  Clarkia unguiculata Orlando Mistretta 1992-7-13 674 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA659472  Clarkia unguiculata J. C. Roos 1947-5-17 3626 Los Angeles Placerita Canyon east of Newhall. Comment
  UCR259775  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 512 Comment
  UCR259994  Clarkia unguiculata R. G. Swinney 2010-6-21 13304 Los Angeles San Gabriel Mountains, 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail 951 Comment
  UCR260396  Clarkia unguiculata R. G. Swinney 2010-6-21 13280 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UCR277033  Clarkia unguiculata R. G. Swinney 2010-5-25 12913 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA0115267  Claytonia parviflora Richard G. Swinney 2010-6-8 13227 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  UCR277136  Claytonia parviflora R. G. Swinney 2010-6-8 13227 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  RSA0107283  Claytonia parviflora subsp. parviflora R. G. Swinney 2011-5-10 14644 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
  RSA563506  Claytonia parviflora subsp. parviflora Timothy S. Ross, W. Appleby 1993-5-13 7118 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  UCR273296  Claytonia parviflora subsp. parviflora R. G. Swinney 2011-5-10 14644 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA724613  Claytonia parviflora subsp. utahensis K. Dobry 1991-4-22 452 Los Angeles San Gabriel Mts. at Elsmere Cyn Comment
  RSA724614  Claytonia parviflora subsp. utahensis K. Dobry 1991-4-22 457 Los Angeles San Gabriel Mts. at Elsmere Cyn Comment
  RSA0087861  Claytonia perfoliata R. G. Swinney 2010-6-21 13288 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  UCD100738  Claytonia perfoliata Marc Meyer; Mike Alvord, Marc Blain 1993-3-14 9 Los Angeles San Gabriel Mts., Walker Ranch in Placerita Cyn. State Park. 450 Comment
  UCR260399  Claytonia perfoliata R. G. Swinney 2010-6-21 13288 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UCR276964  Claytonia perfoliata R. G. Swinney 2010-6-8 13238 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream 671 Comment
  RSA562569  Claytonia perfoliata subsp. mexicana Steve Boyd, W. Appleby 1993-4-22 7981 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  UC1871087  Claytonia perfoliata subsp. mexicana T. S. Ross, Walter Appleby 1993-5-13 7118 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon; San Fernando 7.5' USGS quad; R15W T3N, E/4 NW/4 sect 10; between 2800-3220 feet elevation. Comment
  RSA0070331  Clematis lasiantha R. G. Swinney 2010-6-8 13179 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream. 494 Comment
  SFV18448  Clematis lasiantha C. Ferguson 1973-3-24 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Los Pinetos Trail._x000B_ Comment
  UCR259579  Clematis lasiantha R. G. Swinney 2010-6-8 13179 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  POM305756  Clematis ligusticifolia Henry J. Ramsey, Henry J. Ramsey 1937-6-27 937 Los Angeles Angeles National Forest: Bear Creek, north of Pacoima Reservoir. Comment
  UCR142534  Cnicus benedictus L. C. Wheeler 1967-6-26 9915 Los Angeles San Gabriel Mtns, Placerita Canyon; c. 0.25 mile east of highway 457 Comment
  RSA0037361  Collinsia heterophylla R. G. Swinney 2010-6-21 13269 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA0082589  Collinsia heterophylla R. G. Swinney 2010-6-4 12993 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  RSA0086833  Collinsia heterophylla R. G. Swinney 2011-5-3 14556 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA618595  Collinsia heterophylla Louis C. Wheeler 1967-5-18 9621 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  UCR138844  Collinsia heterophylla L. C. Wheeler 1967-5-18 9621 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR252560  Collinsia heterophylla R. G. Swinney 2010-6-21 13269 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  UCR259250  Collinsia heterophylla R. G. Swinney 2010-6-4 12993 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
  UCR271490  Collinsia heterophylla R. G. Swinney 2011-5-3 14556 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  CAS-BOT-BC240951  Collinsia parryi Frank W. Peirson 1919-4-19 4719 Los Angeles San Gabriel Mts., Pacoima Canon [Canyon] Comment
  LA209063  Collinsia parryi J. Sauer; 1980-4-26 6087 Los Angeles Placerita Canyon, W end of San Gabriel Mountains Comment
  PASA1016  Collinsia parryi Frank W. Peirson 1919-4-19 Los Angeles Pacoima Canyon, San Gabriel Mts. 548 Comment
  SFV4897  Collinsia parryi M. H. Grayum 1971-5-5 Los Angeles San Gabriel Mountains Placerita Canyon. About 1 mile upstream from Nature Center. 503 Comment
  UCD123564  Collinsia parryi Daryl Koutnik; George Fisler 1978-4-26 s.n. Los Angeles Walker Ranch, east end of Placerita Canyon County Park. 365 Comment
  UCR271483  Collinsia parviflora R. G. Swinney 2011-5-3 14570 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  CAS-BOT-BC200999  Colutea arborescens Robert F. Thorne; C. W. Tilforth 1971-6-17 39919 Los Angeles At Bear Divide Station. San Gabriel Mts., Angeles National Forest 822 Comment
  RSA226086  Colutea arborescens R. F. Thorne, Tilforth 1971-6-17 39919 Los Angeles Angeles National Forest; at Bear Divide station 822 Comment
  RSA563507  Colutea arborescens Tim S. Ross, W. Appleby 1993-6-8 7373 Los Angeles Western San Gabriel Mountains: Bear Divide; off the west side of Little Tujunga Road, just east of the Forest Service Station. At head of draw draining SE to Pacoima Canyon. 793 Comment
  SFV16410  Colutea arborescens J. H. Nishida, R. L. Allen, V. Coleman 1991-8-10 s. n. Los Angeles San Gabriel Mountains Bear Divide off of Little Tujunga Canyon. At west-bound entrance. 793 Comment
  RSA0116848  Conyza canadensis R. G. Swinney 2010-10-5 13973 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, west of Oak of the Golden Dreams, at west boundary of park. 451 Comment
  UCR277182  Conyza canadensis R. G. Swinney 2010-10-5 13973 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, west of 'Oak of the Golden Dreams', at west boundary of park 451 Comment
  RSA0115280  Cordylanthus rigidus Richard G. Swinney 2010-10-5 13990 Los Angeles San Gabriel Mountains: east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  UCR277091  Cordylanthus rigidus R. G. Swinney 2010-10-5 13990 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  RSA0085029  Corethrogyne filaginifolia R. G. Swinney 2010-4-30 12447 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  RSA0116845  Corethrogyne filaginifolia R. G. Swinney 2010-10-5 13970 Los Angeles San Gabriel Mountains; Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  RSA609114  Corethrogyne filaginifolia L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Pacoima Canyon at Santa Clara Divide Road, SW Bear Creek Saddle. 914 Comment
  UCR260361  Corethrogyne filaginifolia R. G. Swinney 2010-4-30 12447 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  UCR277231  Corethrogyne filaginifolia R. G. Swinney 2010-10-5 13970 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  RSA0087862  Cotula australis R. G. Swinney 2010-6-21 13287 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  UCR260400  Cotula australis R. G. Swinney 2010-6-21 13287 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UCR95475  Cotula australis L. C. Wheeler 1967-4-30 9228 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  UCR142765  Crassula tillaea L. C. Wheeler 1967-4-30 9241 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  CHSC95859  Croton californicus LeRoy Gross; Steve Fischer, Gary Wallace, et al. 2002-12-7 679 Los Angeles Transverse Ranges: San Gabriel Mountains Region: Limekiln Canyon. High-angle seismic plain in lower part of canyon before it empties into Pacoima wash. 518 Comment
  RSA0055778  Croton californicus R. G. Swinney 2010-4-28 12386 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0088149  Croton californicus R. G. Swinney 2010-5-4 12515 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  RSA0091121  Croton californicus R. G. Swinney 2010-4-13 12189 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
  RSA592234  Croton californicus L. C. Wheeler 1967-4-30 9244 Los Angeles San Gabriel Mountains. Limekiln Canyon. 549 Comment
  RSA673607  Croton californicus LeRoy Gross, Steve Fischer, Gary Wallace, et al. 2002-12-7 679 Los Angeles Limekiln Canyon. 518 Comment
  RSA70560  Croton californicus F. W. Peirson 1918-10-17 276 Los Angeles foot of Pacoima Canyon 457 Comment
  SD253440  Croton californicus R. G. Swinney 2010-4-13 12189 Los Angeles San Gabriel Mountains: 0.35 mile north of Limekiln Canyon, bottom along ridgeline motorway, south of Pacoima Dam. 0.4 mile east of Pacoima Canyon. 609 Comment
  UCR178178  Croton californicus LeRoy Gross, Steve Fischer, G. D. Wallace, et al. 2002-12-7 679 Los Angeles Transverse Ranges: San Gabriel Mtns, Limekiln Canyon 518 Comment
  UCR259274  Croton californicus R. G. Swinney 2010-5-4 12515 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
  UCR259754  Croton californicus R. G. Swinney 2010-4-28 12386 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  UCR270523  Croton californicus R. G. Swinney 2010-4-13 12189 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  UCR95445  Croton californicus L. C. Wheeler 1967-4-30 9244 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  UCR138995  Croton setiger L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns., Sand Canyon at the mouth of Reynier Canyon 564 Comment
  UCR256842  Croton setiger R. G. Swinney 2010-6-8 13219 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
  UCR277230  Crypsis schoenoides R. G. Swinney 2010-10-5 13971 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  CAS-BOT-BC523908  Cryptantha R. G. Swinney 2010-6-21 13300 Los Angeles San Gabriel Mountains: Angeles National Forest within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 mi N of Santa Clara Truck Trail via trail W of spring 902 Comment
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Dec 6 2018
  UCR252564  Cryptantha R. G. Swinney 2010-6-21 13261 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
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Dec 7 2018
  UCR256174  Cryptantha R. G. Swinney 2010-6-4 13062 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
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Dec 7 2018
  UCR260388  Cryptantha R. G. Swinney 2010-6-21 13300 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
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Dec 6 2018
  RSA0115258  Cryptantha intermedia Richard G. Swinney 2010-5-25 12941 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA507969  Cryptantha intermedia Steve Boyd 1988-4-28 2223 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA724749  Cryptantha intermedia K. Dobry 1991-5-13 532 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  RSA724774  Cryptantha intermedia K. Dobry 1991-3-15 414 Los Angeles San Gabriel Mts. Upper Elsmere Cyn Comment
  SFV16010  Cryptantha intermedia P. W. Byrne, H. Levin 1994-4-10 10 Los Angeles San Gabriel Mountains Live Oak Campground, along Bear Canyon. 600 Comment
  UCR120622  Cryptantha intermedia Steve Boyd, T. S. Ross 1988-4-28 2223 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 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
  UCR277216  Cryptantha intermedia R. G. Swinney 2010-5-25 12941 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  UCR273166  Cryptantha intermedia var. intermedia R. G. Swinney 2011-5-10 14630 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  UCR61095  Cryptantha micrantha Steve Boyd, T. S. Ross 1988-4-28 2225 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  RSA0035997  Cryptantha microstachys R. G. Swinney 2010-6-21 13261 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA0047906  Cryptantha microstachys R. G. Swinney 2010-6-4 13062 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA0076013  Cryptantha microstachys R. G. Swinney 2010-4-13 12209 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA0087382  Cryptantha microstachys R. G. Swinney 2010-5-25 12983 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0088009  Cryptantha microstachys R. G. Swinney 2010-6-21 13300 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA507971  Cryptantha microstachys Steve Boyd 1988-4-28 2225 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA592878  Cryptantha microstachys L. C. Wheeler 1967-4-30 9221 Los Angeles San Gabriel Mountains. Limekiln Canyon. 549 Comment
  UCR258804  Cryptantha microstachys R. G. Swinney 2010-5-25 12983 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR259578  Cryptantha microstachys R. G. Swinney 2010-4-13 12209 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR95466  Cryptantha microstachys L. C. Wheeler 1967-4-30 9221 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  RSA0062557  Cryptantha muricata R. G. Swinney 2010-4-20 12308 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0067561  Cryptantha muricata R. G. Swinney 2010-5-4 12498 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
  RSA0076012  Cryptantha muricata R. G. Swinney 2010-4-13 12206 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 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
  RSA0080979  Cryptantha muricata R. G. Swinney 2010-4-28 12419 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0084656  Cryptantha muricata R. G. Swinney 2010-3-10 11817 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  RSA0087380  Cryptantha muricata R. G. Swinney 2010-5-25 12981 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0088574  Cryptantha muricata R. G. Swinney 2010-5-29 13017 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA724750  Cryptantha muricata K. Dobry 1991-3-15 427 Los Angeles San Gabriel Mts. Upper Elsmere Cyn Comment
  SD247357  Cryptantha muricata R. G. Swinney 2010-5-4 12498 Los Angeles San Gabriel Mountains: North of Sylmar, 0.1 mile NNE 6 degrees of Stetson Debris Basin, at north end of motorway at powerlines, west (250 degrees) of the debris basin in Sombrero Cyn., 0.4 mile north of I-210 Fwy. 487 Comment
  UC1871088  Cryptantha muricata Tim Ross, Walter Appleby 1993-5-13 7114 Los Angeles Western San Gabriel Mountains: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 853 Comment
  UCR108218  Cryptantha muricata L. C. Wheeler 1967-5-18 9610 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR108379  Cryptantha muricata L. C. Wheeler 1967-5-18 9616 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR255818  Cryptantha muricata R. G. Swinney 2010-5-4 12498 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
  UCR255835  Cryptantha muricata R. G. Swinney 2010-4-20 12308 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR258494  Cryptantha muricata R. G. Swinney 2010-5-29 13017 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCR258501  Cryptantha muricata R. G. Swinney 2010-3-10 11817 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR258806  Cryptantha muricata R. G. Swinney 2010-5-25 12981 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR259576  Cryptantha muricata R. G. Swinney 2010-4-13 12206 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR270019  Cryptantha muricata R. G. Swinney 2010-4-13 12185 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  UCR271813  Cryptantha muricata R. G. Swinney 2010-4-28 12417 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
  UCR272013  Cryptantha muricata R. G. Swinney 2010-4-28 12419 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  UCR61100  Cryptantha muricata Steve Boyd, T. S. Ross 1988-4-28 2245 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  UCR89461  Cryptantha muricata T. S. Ross, W. Appleby 1993-5-13 7114 Los Angeles San Gabriel Mtns., c. 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 976 Comment
  UCR90832  Cryptantha muricata Robert Hamilton 1995-2-23 s.n. Los Angeles Angeles National Forest, NE of Mint Canyon, in tributary to Pole Canyon. South of Santa Clara River. 640 Comment
  UCR93387  Cryptantha muricata T. S. Ross, Orlando Mistretta 1993-5-27 7322 Los Angeles San Gabriel Mtns., W end of San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 841 Comment
  RSA0115410  Cucurbita foetidissima R. G. Swinney 2010-10-5 13997 Los Angeles San Gabriel Mountains; Placerita Canyon on north side of Placerita Hwy., just outside boundary of Placerita Cyn. Natural Area, at west park entrance. 476 Comment
  UCR277096  Cucurbita foetidissima R. G. Swinney 2010-10-5 13997 Los Angeles San Gabriel Mountains, Placerita Canyon on north side of Placerita Hwy., just outside boundary of Placerita Cyn. Natural Area, at west park entrance 476 Comment
  RSA0053862  Cuscuta R. G. Swinney 2010-4-28 12425 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of the eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  UCR259946  Cuscuta R. G. Swinney 2010-4-28 12425 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
  RSA0083305  Cuscuta californica R. G. Swinney 2010-6-4 13042 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UCR256232  Cuscuta californica R. G. Swinney 2010-6-4 13042 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
  RSA0116342  Cylindropuntia californica var. parkeri R. G. Swinney 2010-10-5 13978 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, west of Oak of the Golden Dreams, at west boundary of park. 451 Comment
  UCR277418  Cylindropuntia californica var. parkeri R. G. Swinney 2010-10-5 13978 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, west of 'Oak of the Golden Dreams', at west boundary of park 451 Comment
  RSA0068250  Cynodon dactylon R. G. Swinney 2010-6-4 13025 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UCR256441  Cynodon dactylon R. G. Swinney 2010-6-4 13025 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
  RSA574268  Cynosurus echinatus Timothy S. Ross, Steve Boyd 1993-6-29 7383 Los Angeles Western San Gabriel Mountains: 530 m WNW of Wilson Canyon Saddle; 340 m NNE of the Radio Facility. 1000 Comment
  UC1871122  Cynosurus echinatus T. S. Ross, S. D. Boyd 1993-6-29 7383 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: 530 m WNW of Wilson Canyon Saddle; 340 m NNE of the Radio Facility; WNW slope draining to Whitney Canyon; San Fernando 7.5' USGS quad: T3N R15W, NW/4 NW/4 SE/4 sec. 9, elev. 3280-3370 feet Comment
  CAS-BOT-BC520314  Cyperus eragrostis R. G. Swinney 2010-4-20 12291 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2--0.4 mi N of Gavina Ave., near E end of Wallabi Ave. 432 Comment
  RSA0070366  Cyperus eragrostis R. G. Swinney 2010-4-20 12291 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR259359  Cyperus eragrostis R. G. Swinney 2010-4-20 12291 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0110588  Cystopteris fragilis Richard G. Swinney 2010-6-8 13240 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream. 598 Comment
  RSA562581  Cystopteris fragilis Steve Boyd, Walter Appleby 1993-4-22 7989 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  UCR276966  Cystopteris fragilis R. G. Swinney 2010-6-8 13240 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream 671 Comment
  UCR79374  Cystopteris fragilis Steve Boyd, W. Appleby 1993-4-22 7989 Los Angeles Western San Gabriel Mtns., north of Sylmar & south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Near Los Pinetos Spring, at the head of Los Pinetos Canyon 976 Comment
  RSA0081798  Dactylis glomerata R. G. Swinney 2010-6-21 13301 Los Angeles 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail. 951 Comment
  RSA562559  Dactylis glomerata Steve Boyd, Orlando Mistretta 1993-5-11 8125 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of Forest on ridge dividing Whitney Canyon and Placerita Canyon 488 Comment
  SEINET3926695  Dactylis glomerata K. Dobry 1991-5-2 560 Los Angeles Elsmere Canyon, West San Gabriel Mountains.; 0 Comment
  UCR259056  Dactylis glomerata R. G. Swinney 2010-6-21 13301 Los Angeles San Gabriel Mountains, 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail 951 Comment
  RSA0083122  Datisca glomerata R. G. Swinney 2010-6-4 13029 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UCR256214  Datisca glomerata R. G. Swinney 2010-6-4 13029 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  RSA0087243  Datura wrightii R. G. Swinney 2010-5-4 12534 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  RSA0115250  Datura wrightii Richard G. Swinney 2010-6-8 13224 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  RSA609108  Datura wrightii Louis C. Wheeler 1968-8-20 s.n. Los Angeles Los Pinetos Canyon Spring. 854 Comment
  RSA609586  Datura wrightii Louis C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Head of Whitney Canyon at Santa Clara Divide Road. 915 Comment
  RSA725418  Datura wrightii K. Dobry 1991-5-13 513 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  SBBG118483  Datura wrightii O. Mistretta 1992-7-13 690 Los Angeles Los Pinetos Spring Cyn Trail Comment
  UCR259130  Datura wrightii R. G. Swinney 2010-5-4 12534 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
  UCR259385  Datura wrightii R. G. Swinney 2010-4-20 12282 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR277135  Datura wrightii R. G. Swinney 2010-6-8 13224 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  UC1971322  Deinandra fasciculata Louis C. Wheeler 1967-5-23 9664 Los Angeles 1 mile east southeast Honby. Comment
  UCR46184  Delphinium cardinale Kathy Harper 1986-5-17 s.n. Los Angeles San Gabriel Mtns., Little Tujunga to Sand Canyon Rd. near Live Oak Campground, NE of San Fernando. (Between mile markers 6.27 and 6.34) Comment
  UCR108447  Delphinium patens L. C. Wheeler 1967-5-18 9622 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  RSA0106741  Delphinium patens subsp. hepaticoideum R. G. Swinney 2011-5-3 14566 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA618673  Delphinium patens subsp. hepaticoideum Louis C. Wheeler 1967-5-18 9622 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA724385  Delphinium patens subsp. hepaticoideum K. Dobry 1991-3-15 418 Los Angeles San Gabriel Mts at Elsmre Cyn. Comment
  RSA724386  Delphinium patens subsp. hepaticoideum K. Dobry 1991-3-15 419 Los Angeles San Gabriel Mts at Elsmre Cyn. Comment
  UCR271477  Delphinium patens subsp. hepaticoideum R. G. Swinney 2011-5-3 14566 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR79370  Delphinium patens subsp. montanum Steve Boyd, Walter Appleby 1993-4-22 7984 Los Angeles Western San Gabriel Mtns., north of Sylmar & south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Near Los Pinetos Spring, at the head of Los Pinetos Canyon 976 Comment
  RSA0080775  Dendromecon rigida R. G. Swinney 2010-4-13 12188 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
  RSA0115251  Dendromecon rigida Richard G. Swinney 2010-6-8 13223 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  SFV15498  Dendromecon rigida E. J. Spencer 1992-3-9 13 Los Angeles San Gabriel Mountains Little Tujunga Canyon Road, just south of junction with Bear Canyon Divide Road. 732 Comment
  UCR269942  Dendromecon rigida R. G. Swinney 2010-4-13 12188 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  UCR277134  Dendromecon rigida R. G. Swinney 2010-6-8 13223 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  RSA725244  Dendromecon rigida subsp. rigida K. Dobry 1991-4-22 460 Los Angeles West San Gabriel mts at Bear divide and Sand Cyn Rd. Comment
  RSA0053868  Dicentra chrysantha R. G. Swinney 2010-4-20 12296 Los Angeles San Gabriel Mountains; Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0080074  Dicentra chrysantha R. G. Swinney 2010-6-4 13049 Los Angeles Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 473 Comment
  RSA0115405  Dicentra chrysantha R. G. Swinney 2010-5-29 13243 Los Angeles San Gabriel Mountains; May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54. 610 Comment
  RSA0115412  Dicentra chrysantha R. G. Swinney 2010-10-5 13994 Los Angeles San Gabriel Mountains; east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  UCR256225  Dicentra chrysantha R. G. Swinney 2010-6-4 13049 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 512 Comment
  UCR259975  Dicentra chrysantha R. G. Swinney 2010-4-20 12296 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR277088  Dicentra chrysantha R. G. Swinney 2010-10-5 13994 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  UCR277125  Dicentra chrysantha R. G. Swinney 2010-5-29 13243 Los Angeles San Gabriel Mountains, May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54 854 Comment
  RSA0082961  Dicentra ochroleuca R. G. Swinney 2010-4-23 12357 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  UCR258586  Dicentra ochroleuca R. G. Swinney 2010-4-23 12357 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA0087869  Dichelostemma capitatum R. G. Swinney 2010-4-30 12442 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  SFV15563  Dichelostemma capitatum R. K. Stachelek 1992-4-14 35 Los Angeles San Gabriel Mountains Sylmar. Stetson Ranch Park. 500 Comment
  UCR260369  Dichelostemma capitatum R. G. Swinney 2010-4-30 12442 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  RSA0047423  Diplacus aurantiacus subsp. aurantiacus R. G. Swinney 2010-5-4 12505 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
  UC1611541  Drymocallis glandulosa Tim Ross, Walter Appleby 1993-5-20 7194 Los Angeles vicinity Wilson Canyon Saddle (northerly slope ca 150 m e of saddle); western San Gabriel Mtns., San Fernando Quad. 963 Comment
  RSA0088006  Dryopteris arguta R. G. Swinney 2010-6-21 13282 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA0110590  Dryopteris arguta Richard G. Swinney 2010-6-8 13236 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream. 598 Comment
  RSA610547  Dryopteris arguta L. C. Wheeler 1968-8-20 s.n. Los Angeles Los Pinetos Canyon Spring. 854 Comment
  RSA615523  Dryopteris arguta L. C. Wheeler 1967-5-18 9626 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA642700  Dryopteris arguta Orlando Mistretta 1992-7-13 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  UCR108333  Dryopteris arguta L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mtns., Los Pinetos Canyon Spring 854 Comment
  UCR108652  Dryopteris arguta L. C. Wheeler 1967-5-18 9626 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR260394  Dryopteris arguta R. G. Swinney 2010-6-21 13282 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UCR276963  Dryopteris arguta R. G. Swinney 2010-6-8 13236 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream 671 Comment
  RSA561819  Dudleya cymosa subsp. pumila Steve Boyd, Orlando Mistretta 1993-6-3 8173 B Los Angeles north of Sylmar and south of Santa Clarita. North of Santa Clara Rd (3N17.9) at head of eastern-most canyons 914 Comment
  RSA584592  Dudleya cymosa subsp. pumila T. S. Ross, Orlando Mistretta 1993-5-26 7317 Los Angeles W end of the San Gabriel Mtns: Santa Clara Road (USFS) between Wilson Canyon Saddle and May Canyon Saddle; N slope of the 3834-foot peak NW of May Canyon Saddle. 1098 Comment
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Sep 30 2014
  RSA0082588  Dudleya lanceolata R. G. Swinney 2010-6-4 12994 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  RSA0088106  Dudleya lanceolata R. G. Swinney 2010-4-30 12458 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  UCR259251  Dudleya lanceolata R. G. Swinney 2010-6-4 12994 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
  UCR260625  Dudleya lanceolata R. G. Swinney 2010-4-30 12458 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  CLARK-A1528-1135  Dudleya saxosa subsp. aloides John C. Roos 1947-5-17 3625 Los Angeles Placerita Canyon Comment
  RSA0070365  Dysphania botrys R. G. Swinney 2010-4-20 12279 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR256192  Dysphania botrys R. G. Swinney 2010-6-4 13057 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
  UCR259235  Dysphania botrys R. G. Swinney 2010-6-4 13005 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
  UCR259382  Dysphania botrys R. G. Swinney 2010-4-20 12279 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA609587  Echinochloa crus-galli L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Head of Whitney Canyon at Santa Clara Divide Road. 915 Comment
  RSA610545  Echinochloa crus-galli L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Canyon Spring. 854 Comment
  RSA0062517  Echium candicans R. G. Swinney 2010-4-20 12317 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  SEINET13203127 Image available Echium candicans R. G. Swinney 2010-1 12317 Los Angeles San Gabriel Mountains: north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream (San Fernando 7.5' Q.) (T3N R15W S23 ?) 549 Comment
  UCR256130  Echium candicans R. G. Swinney 2010-4-20 12317 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  RSA0115452  Ehrharta calycina R. G. Swinney 2010-5-25 12909 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR277027  Ehrharta calycina R. G. Swinney 2010-5-25 12909 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  UCR259248  Eleocharis R. G. Swinney 2010-6-4 13000 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
  RSA724375  Eleocharis parishii K. Dobry 1991-5-13 485 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  UCR256182  Elymus condensatus R. G. Swinney 2010-6-4 13072 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
  RSA603025  Elymus elymoides subsp. elymoides L. C. Wheeler 1967-6-26 9906 Los Angeles San Gabriel Mountains : Placerita Canyon. 610 Comment
  RSA603026  Elymus elymoides subsp. elymoides L. C. Wheeler 1967-6-26 9904 Los Angeles San Gabriel Mountains : Placerita Canyon. 610 Comment
  RSA0045220  Elymus glaucus R. G. Swinney 2010-6-21 13266 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 561 Comment
  RSA0083120  Elymus glaucus R. G. Swinney 2010-6-4 13032 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA0085032  Elymus glaucus R. G. Swinney 2010-6-21 13274 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  UCR253391  Elymus glaucus R. G. Swinney 2010-6-21 13266 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  UCR256161  Elymus glaucus R. G. Swinney 2010-6-4 13032 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
  UCR260364  Elymus glaucus R. G. Swinney 2010-6-21 13274 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  CAS-BOT-BC206760  Elymus glaucus subsp. glaucus Timothy S. Ross; Orlando Mistretta 1993-5-26 7318 Los Angeles Santa Clara Road U.S.F.S. between Wilson Canyon Saddle and May Canyon Saddle, N slope of the 3834 foot peak NW of May Canyon Saddle, W end of the San Gabriel Mtns. 1109 Comment
  RSA574274  Elymus glaucus subsp. glaucus Timothy S. Ross, Walter Appleby 1993-5-19 7175 Los Angeles Western San Gabriel Mountains: Long SSE-trending ridge S of Wilson Canyon Saddle. 948 Comment
  RSA578135  Elymus glaucus subsp. glaucus Timothy S. Ross, Walter Appleby 1993-5-13 7132 Los Angeles Western San Gabriel Mountains: off the E ridge between Whitney Canyon and Los Pinetos Spring, NE side of 3151 ridgetop knoll, above margin of tributary draining NE to Los Pinetos Canyon. 878 Comment
  RSA601116  Elymus glaucus subsp. glaucus L. C. Wheeler 1967-6-26 9905 Los Angeles San Gabriel Mountains : Placerita Canyon. 610 Comment
  RSA601172  Elymus glaucus subsp. glaucus L. C. Wheeler 1967-6-26 9897 -C Los Angeles San Gabriel Mountains : Elsmere Canyon, south central. At the forks of the canyon, just north of the section line. 488 Comment
  SEINET4208315  Elymus glaucus subsp. glaucus Louis C. Wheeler 1967-5-18 9617 Los Angeles San Gabriel Mountains: Placerita Canyon.; 0 518 Comment
  UCD62330  Elymus glaucus subsp. glaucus Louis C. Wheeler 1967-6-26 9905 Los Angeles San Gabriel Mountains: Placerita Canyon. 609 Comment
  RSA561611  Elymus glaucus subsp. jepsonii Steve Boyd, Walter Appleby 1993-5-24 8160 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within Tujunga Ranger District of Angeles National Forest. Ridgeline southeast of May Canyon Saddle leading to May Peak. 1098 Comment
  RSA584593  Elymus glaucus subsp. jepsonii Timothy S. Ross, Orlando Mistretta 1993-5-26 7318 Los Angeles between Wilson Canyon Saddle on May Canyon Saddle 1097 Comment
  SEINET4208559  Elymus glaucus subsp. jepsonii Tim Ross, Orlando Mistretta 1993-5-26 7318 Los Angeles W end of San Gabriel Mtns: Santa Clara Road (U.S.F.S.) between Wilson Canyon Saddle and May Canyon Saddle; N slope of the 3834-foot peak NW of May Canyon Saddle. San Fernando 7.5' USGS quadrangle.; 0 1097 Comment
  SEINET4674720  Elymus hispidus Tim Ross, Walter Appleby 1993-5-19 7172 Los Angeles Western San Gabriel Mtns: ca 120 m ESE of Wilson Canyon Saddle along old Forest Service loop road; San Fernando 7.5' USGS quad.; 0 960 Comment
  RSA610548  Elymus stebbinsii L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Head of Los Pinetos Canyon. 1097 Comment
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Feb 19 2015
  UCR256464  Elymus triticoides R. G. Swinney 2010-6-8 13187 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
  RSA578138  Elytrigia intermedia subsp. intermedia Timothy S. Ross 1993-5-19 7172 Los Angeles Western San Gabriel Mountains: ca 120 meters ESE of Wilson Canyon Saddle along old Forest Service loop road. 960 Comment
  RSA0055787  Emmenanthe penduliflora R. G. Swinney 2010-4-28 12435 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
  RSA0057919  Emmenanthe penduliflora Richard G. Swinney 2010-4-15 12216 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0064059  Emmenanthe penduliflora R. G. Swinney 2010-4-20 12307 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0087070  Emmenanthe penduliflora R. G. Swinney 2010-5-4 12511 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  RSA0115264  Emmenanthe penduliflora Richard G. Swinney 2010-6-8 13230 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  UCR252734  Emmenanthe penduliflora R. G. Swinney 2010-5-29 13411 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR255796  Emmenanthe penduliflora R. G. Swinney 2010-4-20 12307 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR259278  Emmenanthe penduliflora R. G. Swinney 2010-5-4 12511 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
  UCR259630  Emmenanthe penduliflora R. G. Swinney 2010-4-15 12216 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR259950  Emmenanthe penduliflora R. G. Swinney 2010-4-28 12435 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
  UCR277046  Emmenanthe penduliflora R. G. Swinney 2010-6-8 13230 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  RSA0080645  Encelia farinosa R. G. Swinney 2010-3-10 11810 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  RSA0080981  Encelia farinosa R. G. Swinney 2010-4-30 12480 Los Angeles Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon. 482 Comment
  UCR258573  Encelia farinosa R. G. Swinney 2010-3-10 11810 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR272011  Encelia farinosa R. G. Swinney 2010-4-30 12480 Los Angeles San Gabriel Mts., Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon 482 Comment
  RSA0116182  Epilobium brachycarpum R. G. Swinney 2010-10-5 13985 Los Angeles San Gabriel Mountains; east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  UCR277160  Epilobium brachycarpum R. G. Swinney 2010-10-5 13985 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  POM2972  Epilobium canum subsp. canum Fordyce Grinnell Jr. 1918-12-19 s.n. Los Angeles Placerita Canyon near Newhall. Comment
  POM3137  Epilobium canum subsp. canum M. Hitchcock 1918-7-28 30 Los Angeles Pacoima Canyon. Near San Fernando Valley. Comment
  RSA601687  Epilobium canum subsp. canum Louis C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon ca. 1/2 mi. beyond Oak of the Golden Dream (same location as spring collection) 518 Comment
  RSA609109  Eragrostis cilianensis L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Canyon Spring. 854 Comment
  RSA0110922  Ericameria nauseosa R. G. Swinney 2010-10-5 13996 Los Angeles San Gabriel Mountains: Placerita Canyon, 100 m east of Running Horse Rd. on south side of Placerita Canyon Rd. 524 Comment
  UCR277098  Ericameria nauseosa R. G. Swinney 2010-10-5 13996 Los Angeles San Gabriel Mountains, Placerita Canyon, 100 m east of Running Horse Rd. on south side of Placerita Canyon Rd. 524 Comment
  RSA0115282  Ericameria palmeri var. pachylepis Richard G. Swinney 2010-10-5 13989 Los Angeles San Gabriel Mountains: east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  RSA601688  Ericameria palmeri var. pachylepis L. C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon 1/4 mi. southeast of Sierra Highway 451 Comment
  UCR277090  Ericameria palmeri var. pachylepis R. G. Swinney 2010-10-5 13989 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  SFV16376  Ericameria parishii P. M. Schiffman, R. van de Hoek 1996-9-30 s. n. Los Angeles San Gabriel Mountains Roadside along Bear Divide Road, on slope above Pacoima Canyon. Comment
  SFV6721  Ericameria parishii var. parishii R. Johnson Oct 1974 s. n. Los Angeles San Gabriel Mountains Wilson Canyon. 671 Comment
  RSA601689  Ericameria pinifolia L. C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon ca. 1/2 mi. beyond Oak of the Golden Dream (same location as spring collection) 518 Comment
  RSA0047904  Erigeron foliosus R. G. Swinney 2010-6-4 13064 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA0083304  Erigeron foliosus R. G. Swinney 2010-6-4 13043 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UCR256190  Erigeron foliosus R. G. Swinney 2010-6-4 13064 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
  UCR256231  Erigeron foliosus R. G. Swinney 2010-6-4 13043 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
  LA99374  Eriodictyon crassifolium E. R. Hobbs; 1978-4-23 78- 173 Los Angeles San Gabriel Mountains, Sand Canyon, Santa Clara River Valley, W part of range Comment
  RSA785822  Eriodictyon crassifolium K. Dobry 1991-4-4 415 Los Angeles San Gabriel Mts. at Upper Elsmere Cyn. Comment
  SFV16064  Eriodictyon crassifolium P. W. Byrne, H. Levin 1994-4-23 17 Los Angeles San Gabriel Mountains Live Oak Campground, along Bear Canyon. 600 Comment
  SFV18434  Eriodictyon crassifolium C. Ferguson 1971-5-5 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Hillside east of Nature Center. 460 Comment
  SFV2962  Eriodictyon crassifolium K. A. Wilson 1962-5-10 1265 Los Angeles San Gabriel Mountains Placerita Canyon Road, about 2 miles east of Highway 6. 490 Comment
  RSA454988  Eriodictyon crassifolium var. crassifolium Kenneth A. Wilson 1962-5-10 1265 Los Angeles Placerita Canyon Rd. about 2 miles east of Highway 6 Comment
  RSA0070371  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-23 12337 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0080978  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-28 12418 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
  RSA0088260  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-25 12966 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0091115  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-13 12200 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA0116165  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-29 13246 Los Angeles San Gabriel Mountains; May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54. 610 Comment
  RSA0116691  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-25 12928 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA304954  Eriodictyon crassifolium var. nigrescens E. R. Hobbs 1978-4-23 78 -173 Los Angeles Sand Canyon, Santa Clara River Valley, Western San Gabriel Mountains Comment
  RSA563494  Eriodictyon crassifolium var. nigrescens Tim S. Ross, W. Appleby 1993-5-13 7115 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  SBBG17023  Eriodictyon crassifolium var. nigrescens K. A. Wilson 1962-5-10 1265 Los Angeles Placerita Cyn Rd, ca. 2 mi E of Hwy 6 Comment
  UC1871021  Eriodictyon crassifolium var. nigrescens T. S. Ross 1993-5-13 7115 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon; San Fernando 7.5' USGS quad; R15W T3N, E/4 NW/4 sect 10; between 2800-3220 feet elevation. Comment
  UCR258800  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-25 12966 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR258908  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-23 12337 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR270521  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-13 12200 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR271888  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-28 12418 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
  UCR277045  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-25 12928 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  UCR277139  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-29 13246 Los Angeles San Gabriel Mountains, May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54 854 Comment
  UCR108430  Eriogonum davidsonii L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mtns., Head of Whitney Canyon at Santa Clara Divide Road 915 Comment
  RSA0110507  Eriogonum elongatum R. G. Swinney 2010-10-5 13987 Los Angeles San Gabriel Mountains; east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  UCR277117  Eriogonum elongatum R. G. Swinney 2010-10-5 13987 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  UCR256472  Eriogonum fasciculatum subsp. foliolosum R. G. Swinney 2010-6-8 13195 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
  RSA0036979  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-5-29 13398 Los Angeles San Gabriel Mountains: junction of W. Fork May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0055776  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-4-28 12422 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
  RSA0088151  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-5-4 12513 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  RSA0115406  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-5-29 13242 Los Angeles San Gabriel Mountains; May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54. 610 Comment
  UCR258559  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-5-29 13013 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCR259276  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-5-4 12513 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
  UCR259766  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-4-28 12422 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
  UCR277124  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-5-29 13242 Los Angeles San Gabriel Mountains, May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54 854 Comment
  RSA0069280  Eriogonum fasciculatum var. foliolosum R. G. Swinney 2010-6-8 13195 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0088257  Eriogonum fasciculatum var. polifolium R. G. Swinney 2010-5-25 12970 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  UCR252893  Eriogonum fasciculatum var. polifolium R. G. Swinney 2010-5-29 13398 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR258783  Eriogonum fasciculatum var. polifolium R. G. Swinney 2010-5-25 12970 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  RSA0115261  Eriogonum gracile var. gracile Richard G. Swinney 2010-10-5 13959 Los Angeles San Gabriel Mountains: Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  UCR277115  Eriogonum gracile var. gracile R. G. Swinney 2010-10-5 13959 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  POM357905  Eriophyllum confertiflorum M. Maslow 1968-5-12 42 Los Angeles Placerita Canyon State Park, 1.5 miles N of Newhall, 2.1 miles W of Hwy 14. Comment
  RSA0062516  Eriophyllum confertiflorum R. G. Swinney 2010-4-20 12315 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0081313  Eriophyllum confertiflorum R. G. Swinney 2010-4-28 12410 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
  RSA0087870  Eriophyllum confertiflorum R. G. Swinney 2010-6-21 13292 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA0088256  Eriophyllum confertiflorum R. G. Swinney 2010-5-25 12971 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0088575  Eriophyllum confertiflorum R. G. Swinney 2010-5-29 13019 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA0116795  Eriophyllum confertiflorum R. G. Swinney 2010-5-25 12933 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  SFV16063  Eriophyllum confertiflorum P. W. Byrne, H. Levin 1994-4-10 11 Los Angeles San Gabriel Mountains Live Oak Campground, along Bear Canyon. 600 Comment
  SFV18424  Eriophyllum confertiflorum C. Ferguson 1977-5-5 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Comment
  UCR256138  Eriophyllum confertiflorum R. G. Swinney 2010-4-20 12315 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR258557  Eriophyllum confertiflorum R. G. Swinney 2010-5-29 13019 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCR258782  Eriophyllum confertiflorum R. G. Swinney 2010-5-25 12971 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR261358  Eriophyllum confertiflorum R. G. Swinney 2010-6-21 13292 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UCR271896  Eriophyllum confertiflorum R. G. Swinney 2010-4-28 12410 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
  UCR277213  Eriophyllum confertiflorum R. G. Swinney 2010-5-25 12933 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA563499  Eriophyllum confertiflorum var. confertiflorum Timothy S. Ross, Walter Appleby 1993-5-13 7110 Los Angeles Western San Gabriel Mtns: May Canyon Saddle, San Fernando 1115 Comment
  RSA584105  Eriophyllum confertiflorum var. confertiflorum Timothy S. Ross, Steve Boyd 1990-5-15 2517 Los Angeles Live Oak Campground, Tujunga Ranger Distruct, Angeles National Forestr; at the confluence of Sand Canyon and Bear Canyon. (draining to the Santa Clara River about 3.5 miles north) 646 Comment
  RSA590557  Eriophyllum confertiflorum var. confertiflorum Timothy S. Ross, Walter Appleby 1993-5-20 7187 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle 951 Comment
  UC1871022  Eriophyllum confertiflorum var. confertiflorum T. S. Ross, Walter Appleby 1993-5-13 7110 Los Angeles San Gabriel Mountains; Western San Gabriel Mtns: May Canyon Saddle, San Fernando, Alt 3660ft 1115 Comment
  UC1871028  Eriophyllum confertiflorum var. confertiflorum T. S. Ross, Walter Appleby 1993-5-20 7187 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle; San Fernando quad: R15W T3N, NE/4 SE/4 sect. 9; elev. ca. 3120 ft. 951 Comment
  RSA0047420  Erodium cicutarium R. G. Swinney 2010-5-4 12503 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
  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
  RSA0057913  Erodium cicutarium Richard G. Swinney 2010-4-15 12222 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0058224  Erodium cicutarium Richard G. Swinney 2010-4-23 12350 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  SFV18428  Erodium cicutarium C. Ferguson 1971-5-5 s.n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Hillside east of Nature Center. 460 Comment
  UCR255833  Erodium cicutarium R. G. Swinney 2010-5-4 12503 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
  UCR258786  Erodium cicutarium R. G. Swinney 2010-5-25 12967 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR258913  Erodium cicutarium R. G. Swinney 2010-4-23 12350 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR259634  Erodium cicutarium R. G. Swinney 2010-4-15 12222 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR259948  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 512 Comment
  UCR256222  Erysimum capitatum R. G. Swinney 2010-6-4 13035 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
  UCR256159  Eschscholzia californica R. G. Swinney 2010-6-4 13068 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
  UCR87157  Eucalyptus camaldulensis T. S. Ross, Walter Appleby 1993-6-7 7366 Los Angeles W end San Gabriel Mtns., draw draining SW from May Canyon Saddle. 1085 Comment
  RSA0053889  Eucrypta chrysanthemifolia R. G. Swinney 2010-4-13 12202 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA0058230  Eucrypta chrysanthemifolia Richard G. Swinney 2010-4-23 12347 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0080966  Eucrypta chrysanthemifolia R. G. Swinney 2010-4-28 12404 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
  RSA0116796  Eucrypta chrysanthemifolia R. G. Swinney 2010-5-25 12934 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  SFV18435  Eucrypta chrysanthemifolia C. Ferguson 1971-5-5 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Hillside east of Nature Center. 460 Comment
  UCR258821  Eucrypta chrysanthemifolia R. G. Swinney 2010-4-23 12347 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR259678  Eucrypta chrysanthemifolia R. G. Swinney 2010-4-13 12202 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR271890  Eucrypta chrysanthemifolia R. G. Swinney 2010-4-28 12404 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
  UCR277214  Eucrypta chrysanthemifolia R. G. Swinney 2010-5-25 12934 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA0080980  Eulobus californicus R. G. Swinney 2010-4-28 12420 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  UC1871017  Eulobus californicus T. S. Ross, Walter Appleby 1993-5-19 7178 Los Angeles Transverse Ranges: San Gabriel Mtns region; Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle; San Fernando 7.5' USGS quad; R15W T3N, NE/4 SW/4 SW/4 NW/4 sect. 15; ca 2,640 ft. elevation. 804 Comment
  UCR255849  Eulobus californicus R. G. Swinney 2010-5-4 12484 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR258817  Eulobus californicus R. G. Swinney 2010-5-25 12972 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR258828  Eulobus californicus R. G. Swinney 2010-4-23 12344 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR272012  Eulobus californicus R. G. Swinney 2010-4-28 12420 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  RSA0116847  Euphorbia R. G. Swinney 2010-10-5 13963 Los Angeles San Gabriel Mountains; Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  UCR277183  Euphorbia R. G. Swinney 2010-10-5 13963 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  RSA0086992  Euphorbia peplus R. G. Swinney 2010-4-21 12325 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash. 457 Comment
  SEINET13383997 Image available Euphorbia peplus R. G. Swinney 2010-1 12325 Los Angeles San Gabriel Mountains: Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  UCR260030  Euphorbia peplus R. G. Swinney 2010-4-21 12325 Los Angeles San Gabriel Mountains, Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  LA98907  Festuca arundinacea E. R. Hobbs; 1979-5-6 79 -68 Los Angeles Placerita Canyon State and County Park Comment
  RSA0116798  Festuca myuros Richard G. Swinney 2010-5-25 12937 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  SEINET13203119 Image available Festuca myuros R. G. Swinney 2010-1 12493 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. (San Fernando 7.5' Q.) (T3N R15W S20) 488 Comment
  UCR255773  Festuca myuros R. G. Swinney 2010-5-4 12493 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR258585  Festuca myuros R. G. Swinney 2010-4-23 12358 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  LA103550  Festuca perennis Barry A. Prigge; 1986-3-29 7144 Los Angeles San Gabriel Mountains, S of Canyon Country at Golden Valley X Antelope Valley freeway (State Highway 14) 457 Comment
  RSA0082593  Festuca perennis R. G. Swinney 2010-6-4 13003 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  SD124451  Festuca perennis Barry Prigge 1986-3-29 7144 Los Angeles San Gabriel Mountains: South of Canyon Country at Golden Valley X Antelope Valley Freeway (State Highway 14). 456 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
  CAS-BOT-BC282536  Festuca trachyphylla Tim Ross; Walter Appleby 1993-5-14 7145 Los Angeles 220 m SSW of May Canyon Saddle and 380 m WNW of May Peak [3948], Western San Gabriel Mtns. 1112 Comment
  RSA574267  Festuca trachyphylla Timothy S. Ross, Walter Appleby 1993-5-14 7145 Los Angeles 270m SW of May Canyon Saddle and 450 WNW of May Peak 1109 Comment
  UC1871330  Festuca trachyphylla T. S. Ross 1993-5-14 7145 Los Angeles San Gabriel Mtns.; 220 m SSW of May Canyon Saddle and 380 m WNW of May Peak [3948'] 1113 Comment
  UCR89464  Festuca trachyphylla T. S. Ross, Walter Appleby 1993-5-14 7145 Los Angeles San Gabriel Mtns., 220 m SSW of May Canyon Saddle and 380 m WNW of May Peak [3948'] 1113 Comment
  RSA0055788  Filago californica R. G. Swinney 2010-4-28 12436 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
  RSA0069844  Filago californica R. G. Swinney 2010-4-20 12298 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA507983  Filago californica Steve Boyd, Timothy S. Ross 1988-4-28 2241 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA562547  Filago californica Steve Boyd, Walter Appleby 1993-4-22 7999 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  RSA592886  Filago californica L. C. Wheeler 1967-4-30 9246 Los Angeles San Gabriel Mountains. Limekiln Canyon. 549 Comment
  UCR120621  Filago californica Steve Boyd, T. S. Ross 1988-4-28 2241 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  UCR176953  Filago californica L. C. Wheeler 1967-4-30 9246 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  UCR255784  Filago californica R. G. Swinney 2010-4-20 12298 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR259949  Filago californica R. G. Swinney 2010-4-28 12436 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
  RSA0087381  Filago gallica R. G. Swinney 2010-5-25 12982 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA562555  Filago gallica Steve Boyd, Orlando Mistetta 1993-5-11 8126 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of Forest on ridge dividing Whitney Canyon and Placerita Canyon 488 Comment
  RSA618676  Filago gallica L. C. Wheeler 1967-5-18 9612 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  UCR255774  Filago gallica R. G. Swinney 2010-5-4 12492 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
  UCR258805  Filago gallica R. G. Swinney 2010-5-25 12982 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  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
  RSA0115262  Frangula californica subsp. californica Richard G. Swinney 2010-10-5 13960 Los Angeles San Gabriel Mountains: Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  UCR277114  Frangula californica subsp. californica R. G. Swinney 2010-10-5 13960 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  RSA0062521  Fraxinus dipetala R. G. Swinney 2010-6-4 13066 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA350137  Fraxinus dipetala Wesley O. Griesel 1986-3-6 s.n. Los Angeles Placerita canyon. 518 Comment
  RSA350138  Fraxinus dipetala Wesley O. Griesel 1986-3-6 s.n. Los Angeles Las [Los] Pinetos Spring 915 Comment
  RSA350147  Fraxinus dipetala Wesley O. Griesel 1986-3-6 s.n. Los Angeles Placerita canyon. 518 Comment
  UCD122039  Fraxinus dipetala Kenneth A. Wilson 1961-3-11 976 Los Angeles San Gabriel Mtns. Placerita Canyon Road. Wash 3 miles west of Placerita State Park. Comment
  UCR108455  Fraxinus dipetala L. C. Wheeler 1967-5-18 9620 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR256188  Fraxinus dipetala R. G. Swinney 2010-6-4 13066 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
  RSA561577  Fremontodendron californicum subsp. californicum Steve D. Boyd, Orlando Mistretta 1993-5-17 8146 Los Angeles North of sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. at the western edge of the forest on ridge at head of Elsmere Canyon., North of Sombrero Road (3N64) and west of communications facility. 884 Comment
  RSA590598  Fremontodendron californicum subsp. californicum Tim S. Ross, W. Appleby 1993-5-13 7130 Los Angeles Western San Gabriel Mountains: 600 meters, 346 NNW of Wilson Canyon Saddle, at the head of Whitney Canyon, about 100-120 meters WSW of the 3151-foot ridgetop knoll. 933 Comment
  UC1871090  Fremontodendron californicum subsp. californicum T. S. Ross, W. Appleby 1993-5-13 7130 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: 600 meters, 346 deg. NNW of Wilson Canyon Saddle, at the head of Whitney Canyon, about 100-120 meters WSW of the 3151-foot ridgetop knoll; San Fernando 7.5' USGS quad; R15W T3N, NW/4 SE/4 NE/4 section 9; ca 3060 feet el ... 933 Comment
  RSA0036978  Galium angustifolium R. G. Swinney 2010-5-29 13397 Los Angeles San Gabriel Mountains: junction of W. Fork May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0039463  Galium angustifolium R. G. Swinney 2010-6-21 13251 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  UCR252558  Galium angustifolium R. G. Swinney 2010-6-21 13251 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  UCR252741  Galium angustifolium R. G. Swinney 2010-5-29 13397 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  RSA507978  Galium angustifolium subsp. angustifolium Steve D. Boyd, Tim S. Ross 1988-4-28 2232 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA562553  Galium angustifolium subsp. angustifolium Steve D. Boyd, Orlando Mistretta 1993-5-11 8128 Los Angeles North of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of Forest on ridge dividing Whitney Canyon and Placerita Canyon. 488 Comment
  SBBG118484  Galium angustifolium subsp. angustifolium O. Mistretta 1992-7-13 695 Los Angeles Los Pinetos Spring Cyn Trail Comment
  LA208348  Galium angustifolium subsp. foliosum John Thomas Howell; M. Hilend 1930-5-2 Los Angeles San Gabriel Mountains, Pacoima Dam Comment
  RSA0088011  Galium aparine R. G. Swinney 2010-6-21 13291 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA0116485  Galium aparine R. G. Swinney 2010-5-25 12950 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR260386  Galium aparine R. G. Swinney 2010-6-21 13291 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UCR101753  Galium parisiense L. C. Wheeler 1967-6-26 9879 Los Angeles San Gabriel Mtns, Elsmere Canyon 466 Comment
  RSA0045218  Galium porrigens R. G. Swinney 2010-6-21 13267 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 561 Comment
  RSA0062628  Galium porrigens R. G. Swinney 2010-6-8 13190 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0086538  Galium porrigens R. G. Swinney 2011-5-3 14568 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA0115411  Galium porrigens R. G. Swinney 2010-10-5 13995 Los Angeles San Gabriel Mountains; east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  SD253548  Galium porrigens R. G. Swinney 2011-5-3 14568 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Road, Ecology Trail east of the Nature Center (Mint Canyon 7.5'Q) 487 Comment
  UCR253390  Galium porrigens R. G. Swinney 2010-6-21 13267 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  UCR256461  Galium porrigens R. G. Swinney 2010-6-8 13190 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
  UCR271475  Galium porrigens R. G. Swinney 2011-5-3 14568 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR277095  Galium porrigens R. G. Swinney 2010-10-5 13995 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  RSA0082567  Gamochaeta pensylvanica R. G. Swinney 2010-4-28 12433 Los Angeles 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
  RSA562546  Gamochaeta pensylvanica Steve Boyd, Walter Appleby 1993-4-22 8000 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  UCR259750  Gamochaeta pensylvanica R. G. Swinney 2010-4-28 12433 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
  RSA0058250  Gazania linearis Richard G. Swinney 2010-4-20 12276 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0084929  Gazania linearis R. G. Swinney 2010-3-10 11812 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR258496  Gazania linearis R. G. Swinney 2010-3-10 11812 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR258927  Gazania linearis R. G. Swinney 2010-4-20 12276 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0068444  Gilia achilleifolia R. G. Swinney 2010-6-8 13208 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0073359  Gilia achilleifolia R. G. Swinney 2010-6-21 13305 Los Angeles 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail. 951 Comment
  UCR256199  Gilia achilleifolia R. G. Swinney 2010-6-8 13208 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
  UCR259247  Gilia achilleifolia R. G. Swinney 2010-6-4 12986 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
  UCR259993  Gilia achilleifolia R. G. Swinney 2010-6-21 13305 Los Angeles San Gabriel Mountains, 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail 951 Comment
  RSA0086542  Gilia achilleifolia subsp. achilleifolia R. G. Swinney 2011-5-3 14573 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA618098  Gilia achilleifolia subsp. achilleifolia L. C. Wheeler 1967-5-18 9642 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  UCR271471  Gilia achilleifolia subsp. achilleifolia R. G. Swinney 2011-5-3 14573 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  RSA590857  Gilia angelensis T. S. Ross, S. D. Boyd 1990-5-15 2518 Los Angeles Live Oak Campground, Tujunga Ranger Distruct, Angeles National Forestr; at the confluence of Sand Canyon and Bear Canyon. (draining to the Santa Clara River about 3.5 miles north) 646 Comment
  RSA724535  Gilia angelensis K. Dobry 1991-5-13 481 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UCR108214  Gilia angelensis L. C. Wheeler 1967-5-18 9642 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  RSA0055773  Gilia capitata R. G. Swinney 2010-4-28 12391 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
  UCR259772  Gilia capitata R. G. Swinney 2010-4-28 12391 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
  UCR159912  Gilia capitata subsp. abrotanifolia Orlando Mistretta 1992-7-13 680 Los Angeles Transverse Ranges; San Gabriel Mountains region, Los Pinetos Spring Canyon Trail 915 Comment
  RSA507517  Githopsis diffusa subsp. diffusa L. C. Wheeler 1967-5-18 9643 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  UCR108648  Githopsis diffusa subsp. diffusa L. C. Wheeler 1967-5-18 9643 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  RSA0080073  Glycyrrhiza lepidota Richard G. Swinney 2010-6-4 13033 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UCR256224  Glycyrrhiza lepidota R. G. Swinney 2010-6-4 13033 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
  RSA0106834  Gnaphalium californicum R. G. Swinney 2011-5-10 14634 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
  RSA563491  Gnaphalium californicum Timothy S. Ross, Walter Appleby 1993-5-13 7124 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  RSA584300  Gnaphalium luteoalbum Timothy S. Ross, Orlando Mistretta 1993-5-26 7311 Los Angeles W end of the San Gabriel Mtns: Santa Clara Road (USFS) between Wilson Canyon Saddle and May Canyon saddle. Seepy northerly draw at roadside, head of a tributary of Los Pinetos Canyon. 1043 Comment
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Sep 30 2014
  UCR256205  Gnaphalium purpureum R. G. Swinney 2010-6-8 13221 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
  CHSC95863  Gutierrezia californica LeRoy Gross; Steve Fischer, Gary Wallace, et al. 2002-12-7 676 Los Angeles Transverse Ranges: San Gabriel Mountains Region: Limekiln Canyon. High-angle seismic plain in lower part of canyon before it empties into Pacoima wash. 518 Comment
  RSA0115281  Gutierrezia californica Richard G. Swinney 2010-10-5 13988 Los Angeles San Gabriel Mountains: east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  RSA601691  Gutierrezia californica L. C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mountains: Near summit of Placerita Canyon Road. Comment
  RSA673610  Gutierrezia californica LeRoy Gross, Steve Fischer, Gary D. Wallace, et al. 2002-12-7 676 Los Angeles Limekiln Canyon 518 Comment
  SFV12449  Gutierrezia californica M. H. Grayum, D. L. Koutnik, B. Balch 1978-1-8 944 Los Angeles San Gabriel Mountains North of Placerita Creek at junction with Los Pinetos Canyon. South slope. 549 Comment
  UCR178176  Gutierrezia californica LeRoy Gross, Steve Fischer, G. D. Wallace, et al. 2002-12-7 676 Los Angeles Transverse Ranges: San Gabriel Mtns, Limekiln Canyon 518 Comment
  UCR277089  Gutierrezia californica R. G. Swinney 2010-10-5 13988 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  JEPS18984  Gutierrezia sarothrae Frank W. Peirson 1918-10-16 277 Los Angeles entrance to canyon Pacoima Canyon; San Gabriel Mountains, Pacoima Canyon 457 Comment
  RSA0107282  Hedypnois cretica R. G. Swinney 2011-5-10 14629 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
  UCR273165  Hedypnois cretica R. G. Swinney 2011-5-10 14629 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  CAS-BOT-BC520319  Helianthemum scoparium R. G. Swinney 2010-5-25 12964 Los Angeles San Gabriel Mountains, just S of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just N of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 670 Comment
  RSA0067560  Helianthemum scoparium R. G. Swinney 2010-5-4 12499 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
  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
  RSA0088255  Helianthemum scoparium R. G. Swinney 2010-5-25 12964 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA561578  Helianthemum scoparium Steve Boyd, Orlando Mistretta 1993-5-17 8148 Los Angeles North of sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. at the western edge of the forest on ridge at head of Elsmere Canyon, north of Sombrero Road (3N64) and west of communications facility. 883 Comment
  RSA563527  Helianthemum scoparium T. S. Ross, Walter Appleby 1993-5-13 7127 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  UCR255817  Helianthemum scoparium R. G. Swinney 2010-5-4 12499 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
  UCR258802  Helianthemum scoparium R. G. Swinney 2010-5-25 12964 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR258894  Helianthemum scoparium R. G. Swinney 2010-4-30 12467 Los Angeles San Gabriel Mountains, 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
  RSA0081314  Helianthus annuus R. G. Swinney 2010-4-28 12411 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
  RSA0083013  Helianthus annuus R. G. Swinney 2010-5-4 12510 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  RSA0085550  Helianthus annuus R. G. Swinney 2010-4-21 12322 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash. 457 Comment
  SEINET13383995 Image available Helianthus annuus R. G. Swinney 2010-1 12322 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  UCR259067  Helianthus annuus R. G. Swinney 2010-5-4 12510 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
  UCR260028  Helianthus annuus R. G. Swinney 2010-4-21 12322 Los Angeles San Gabriel Mountains, Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  UCR271885  Helianthus annuus R. G. Swinney 2010-4-28 12411 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
  RSA0110925  Helianthus annuus subsp. lenticularis R. G. Swinney 2010-10-5 13982 Los Angeles San Gabriel Mountains: east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  UCR277087  Helianthus annuus subsp. lenticularis R. G. Swinney 2010-10-5 13982 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  RSA0083303  Helianthus gracilentus R. G. Swinney 2010-6-4 13044 Los Angeles Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 473 Comment
  RSA0087388  Helianthus gracilentus R. G. Swinney 2010-5-25 12977 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  UCR256230  Helianthus gracilentus R. G. Swinney 2010-6-4 13044 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 512 Comment
  UCR258812  Helianthus gracilentus R. G. Swinney 2010-5-25 12977 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  RSA561589  Hemizonia pungens subsp. pungens Steve Boyd, Orlando Mistretta 1993-6-10 8188 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Along Santa Clara Rd (3N17.9), 1/4 mile E of May Canyon Saddle, just north of May Peak. 914 Comment
  RSA0086537  Hesperocnide tenella R. G. Swinney 2011-5-3 14567 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  SD253561  Hesperocnide tenella R. G. Swinney 2011-5-3 14567 Los Angeles San Gabriel Moutains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Road., Ecology Trail east of the Nature Cente (Mint Canyon 7.5'Q) 487 Comment
  UCR271476  Hesperocnide tenella R. G. Swinney 2011-5-3 14567 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR255824  Hesperoyucca whipplei R. G. Swinney 2010-5-4 12504 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
  UCR256228  Hesperoyucca whipplei R. G. Swinney 2010-6-4 13046 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 512 Comment
  RSA0073379  Heteromeles arbutifolia R. G. Swinney 2010-6-8 13182 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream. 494 Comment
  UCR259581  Heteromeles arbutifolia R. G. Swinney 2010-6-8 13182 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  RSA0116754  Heterotheca grandiflora R. G. Swinney 2010-10-5 13964 Los Angeles San Gabriel Mountains; Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  UCR259768  Heterotheca grandiflora R. G. Swinney 2010-4-28 12396 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
  UCR277184  Heterotheca grandiflora R. G. Swinney 2010-10-5 13964 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  SFV16406  Hieracium argutum J. H. Nishida 1991-8-10 s. n. Los Angeles San Gabriel Mountains Bear Divide off of Little Tujunga Canyon. 793 Comment
  RSA0037421  Hirschfeldia incana R. G. Swinney 2010-5-29 13416 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA561573  Hordeum brachyantherum subsp. brachyantherum Steve Boyd, Walter Appleby 1993-5-24 8163 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Along ridgeline on western side of Loop Canyon. 792 Comment
  CDA2188  Hordeum marinum subsp. gussoneanum L. C. Wheeler 1967-5-18 9662 Los Angeles Placerita Canyon, San Gabriel Mountains. Comment
  RSA639560  Hordeum marinum subsp. gussoneanum L. C. Wheeler 1967-5-18 9662 Los Angeles San Gabriel Mountains, Angeles National Forest: Placerita Canyon. 594 Comment
  CAS-BOT-BC520315  Hordeum murinum R. G. Swinney 2010-4-30 12460 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 mi E of Wilson Cyn. Debris Basin on S side of the ridge S of the southern of the two eastern forks of Wilson Cyn 615 Comment
  RSA0055948  Hordeum murinum Richard G. Swinney 2010-4-30 12460 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  RSA0060871  Hordeum murinum R. G. Swinney 2010-6-8 13196 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0080735  Hordeum murinum R. G. Swinney 2010-4-23 12364 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0085030  Hordeum murinum R. G. Swinney 2010-6-21 13275 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  UCR256434  Hordeum murinum R. G. Swinney 2010-6-8 13196 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
  UCR258589  Hordeum murinum R. G. Swinney 2010-4-23 12364 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258901  Hordeum murinum R. G. Swinney 2010-4-30 12460 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  UCR260362  Hordeum murinum R. G. Swinney 2010-6-21 13275 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  RSA562582  Hordeum murinum subsp. glaucum Steve Boyd, Walter Appleby 1993-4-22 7988 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  RSA724993  Hordeum murinum subsp. glaucum K. Dobry 1991-3-15 416 Los Angeles San Gabriel Mts. Upper Elsmere Cyn Comment
  RSA578141  Hordeum murinum subsp. leporinum Timothy S. Ross, W. Appleby 1993-5-19 7164 Los Angeles Western San Gabriel Mountains: Long SSE-trending ridge S of Wilson Canyon Saddle. 948 Comment
  UC1871331  Hordeum murinum subsp. leporinum T. S. Ross, W. Appleby 1993-5-19 7164 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: Long SSE-trending ridge S of Wilson Canyon Saddle; San Fernando quad: R15W T3N, SW/4 NE/4 SE/4 sect. 9; elev. 3110 ft. 948 Comment
  RSA562550  Hordeum vulgare var. trifurcatum Steve Boyd, Orlando Mistretta 1993-5-11 8131 Los Angeles Western San Gabriel Mtns, north of Sylmar and south of Santa Clarita, within rhe Tujunga Ranger District of the Angeles National Forest, along Placerita canyon Road within Placerita canyon 488 Comment
  UCR80731  Hordeum vulgare var. trifurcatum Steve Boyd, Orlando Mistretta 1993-5-11 8131 Los Angeles Western San Gabriel Mtns., N of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of the Forest along Placerita Canyon Road within Placerita Canyon 488 Comment
  RSA0088107  Hypochaeris glabra R. G. Swinney 2010-4-30 12457 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  UCR252563  Hypochaeris glabra R. G. Swinney 2010-6-21 13262 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  UCR255814  Hypochaeris glabra R. G. Swinney 2010-5-4 12497 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  UCR260406  Hypochaeris glabra R. G. Swinney 2010-4-30 12457 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  SFV18462  Isocoma menziesii var. menziesii I. P. Swift 2001-9-27 339 Los Angeles San Gabriel Mountains Placerita Canyon Natural Area. On disturbed roadcut of Placerita Canyon Road just west of Walker Ranch turnout. 606 Comment
  UC1127161  Isomeris arborea R. St. John 1930-2-9 90 Los Angeles near San Fernando Dam; San Fernando Quad. 365 Comment
  RSA0062530  Juglans californica R. G. Swinney 2010-6-4 13054 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA0070364  Juglans californica R. G. Swinney 2010-4-20 12280 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0087062  Juglans californica R. G. Swinney 2010-5-4 12529 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  RSA0087091  Juglans californica R. G. Swinney 2010-6-21 13294 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  SD255777  Juglans californica R. G. Swinney 2010-4-20 12280 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2 mile north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UC1871030  Juglans californica T. S. Ross, Walter Appleby 1993-5-20 7190 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mts.: vicinity of Wilson Canyon Saddle; San Fernando 7.5' USGS quad; R15W, T3N, NE/4 SE/4 Sec. 9; ca 3110 ft. elevation 947 Comment
  UCR256153  Juglans californica R. G. Swinney 2010-6-4 13054 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
  UCR259134  Juglans californica R. G. Swinney 2010-5-4 12529 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
  UCR259383  Juglans californica R. G. Swinney 2010-4-20 12280 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR261129  Juglans californica R. G. Swinney 2010-6-21 13294 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UCR79372  Juglans californica Steve Boyd, Walter Appleby 1993-4-22 7979 Los Angeles Western San Gabriel Mtns., north of Sylmar & south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Near Los Pinetos Spring, at the head of Los Pinetos Canyon 976 Comment
  UCR95331  Juglans californica L. C. Wheeler 1967-4-30 9251 Los Angeles San Gabriel Mtns., Foothills c. 0.1 mi SE of mouth of Pacoima Canyon 473 Comment
  UCSB57483  Juglans californica Griesel, Wesley 1986-4-25 Los Angeles San Gabriel Mountains; Elsmere Canyon area 548 Comment
  RSA592231  Juglans californica var. californica Louis C. Wheeler 1967-4-30 9251 Los Angeles Foothills ca. 1/10 mile SE of mouth of Pacoima Canyon, ca. 300 yards from Pacoima Wash. 473 Comment
  RSA610542  Juglans californica var. californica Louis C. Wheeler 1968-8-20 s.n. Los Angeles Los Pinetos Canyon Spring. 854 Comment
  RSA616137  Juglans californica var. californica Louis C. Wheeler 1967-5-18 9631 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  RSA87012  Juglans californica var. californica F. W. Peirson 1919-4-19 375 Los Angeles Pacoima Canyon; San Gabriel Mountains Comment
  CAS-BOT-BC102332  Juglans regia Steve Boyd; Orlando Mistretta 1993-6-10 8185 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the 914 Comment
  RSA561586  Juglans regia Steve Boyd 1993-6-10 8185 Los Angeles Western San Gabriel Mountains, N of Sylmar and S of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Along the Los Pinetos Fire Road (3N76) just upslope from water tank at Los Pinetos Spring. 915 Comment
  UCR259284  Juncus R. G. Swinney 2010-6-4 12991 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
  RSA0116575  Juncus balticus R. G. Swinney 2010-6-8 13231 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  UCR259256  Juncus balticus R. G. Swinney 2010-6-4 12999 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
  UCR277195  Juncus balticus R. G. Swinney 2010-6-8 13231 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  RSA0116800  Juncus bufonius R. G. Swinney 2010-5-25 12920 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR277035  Juncus bufonius R. G. Swinney 2010-5-25 12920 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA639559  Juncus bufonius var. bufonius L. C. Wheeler 1967-5-18 9659 Los Angeles San Gabriel Mountains, Angeles National Forest: Placerita Canyon. 594 Comment
  CAS-BOT-BC235751  Keckiella cordifolia Tim Ross; Orlando Mistretta 1993-5-27 7320 Los Angeles W end of the San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 841 Comment
  POM305748  Keckiella cordifolia Henry J. Ramsey, Henry J. Ramsey 1937-6-27 945 Los Angeles Little Tujunga Canyon, Summit., Angeles National Forest, San Gabriel Mountains. Comment
  RSA0055980  Keckiella cordifolia Richard G. Swinney 2010-5-25 12980 Los Angeles San Gabriel Mountains; just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0058210  Keckiella cordifolia R. G. Swinney 2010-6-4 13071 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA584224  Keckiella cordifolia Tim S. Ross, Orlando Mistretta 1993-5-27 7320 Los Angeles Ridge dropping westward from Loop Canyon Road toward Wilson canyon 841 Comment
  UCR256183  Keckiella cordifolia R. G. Swinney 2010-6-4 13071 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
  UCR258807  Keckiella cordifolia R. G. Swinney 2010-5-25 12980 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  RSA0116806  Lactuca serriola Richard G. Swinney 2010-10-5 13965 Los Angeles San Gabriel Mountains: Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  RSA0047412  Lamarckia aurea R. G. Swinney 2010-5-4 12482 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
  RSA0087085  Lamarckia aurea R. G. Swinney 2010-4-30 12443 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  SEINET13203120 Image available Lamarckia aurea R. G. Swinney 2010-1 12482 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. (San Fernando 7.5' Q.) (T3N R15W S20) 488 Comment
  SEINET13386953 Image available Lamarckia aurea R. G. Swinney 2010-1 12443 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 536 Comment
  UCR255847  Lamarckia aurea R. G. Swinney 2010-5-4 12482 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
  UCR260368  Lamarckia aurea R. G. Swinney 2010-4-30 12443 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  RSA0107285  Lamium amplexicaule R. G. Swinney 2011-5-10 14657 Los Angeles San Gabriel Mountains: Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch. 573 Comment
  SFV15560  Lamium amplexicaule R. K. Stachelek 1992-4-14 12 Los Angeles San Gabriel Mountains Sylmar. Stetson Ranch Park. 500 Comment
  UCR273553  Lamium amplexicaule R. G. Swinney 2011-5-10 14657 Los Angeles San Gabriel Mountains, Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch 573 Comment
  RSA724500  Lasthenia chrysostoma K. Dobry 1991-4-4 407 Los Angeles Elsmere Cyn. West San Gabriel Mts. Comment
  RSA0107286  Lasthenia gracilis R. G. Swinney 2011-5-10 14656 Los Angeles San Gabriel Mountains: Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch. 573 Comment
  UCR273554  Lasthenia gracilis R. G. Swinney 2011-5-10 14656 Los Angeles San Gabriel Mountains, Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch 573 Comment
  RSA0088108  Lathyrus vestitus R. G. Swinney 2010-4-30 12456 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  RSA0116844  Lathyrus vestitus R. G. Swinney 2010-5-25 12922 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR260407  Lathyrus vestitus R. G. Swinney 2010-4-30 12456 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  UCR277038  Lathyrus vestitus R. G. Swinney 2010-5-25 12922 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA0064057  Lathyrus vestitus var. vestitus R. G. Swinney 2010-4-20 12305 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA562577  Lathyrus vestitus var. vestitus Steve Boyd 1993-4-22 7993 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  RSA615527  Lathyrus vestitus var. vestitus L. C. Wheeler 1967-5-18 9636 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA724438  Lathyrus vestitus var. vestitus K. Dobry 1991-5-13 498 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  RSA724473  Lathyrus vestitus var. vestitus K. Dobry 1991-5-13 499 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UCR255794  Lathyrus vestitus var. vestitus R. G. Swinney 2010-4-20 12305 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCD115757  Lepidium oblongum Daryl Koutnik; George Fisler 1978-4-26 s.n. Los Angeles Walker Ranch, east end of Placerita Canyon County Park. 365 Comment
  RSA0060870  Lepidium strictum R. G. Swinney 2010-6-8 13198 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  UCR256432  Lepidium strictum R. G. Swinney 2010-6-8 13198 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
  RSA0047413  Lepidium virginicum R. G. Swinney 2010-5-4 12483 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
  SEINET13203170 Image available Lepidium virginicum R. G. Swinney 2010-1 12483 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. (San Fernando 7.5' Q.) (T3N R15W S20) 488 Comment
  UCR255848  Lepidium virginicum R. G. Swinney 2010-5-4 12483 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
  POM308166  Lepidospartum squamatum Henry J. Ramsey, Henry J. Ramsey 1937-8-7 2909 Los Angeles Sand Canyon, San Gabriel Mountains Comment
  RSA0080968  Lepidospartum squamatum R. G. Swinney 2010-4-28 12406 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
  RSA0115278  Lepidospartum squamatum R. G. Swinney 2010-10-5 13992 Los Angeles San Gabriel Mountains. East end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  UCR259577  Lepidospartum squamatum R. G. Swinney 2010-4-13 12208 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR271892  Lepidospartum squamatum R. G. Swinney 2010-4-28 12406 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
  UCR277093  Lepidospartum squamatum R. G. Swinney 2010-10-5 13992 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  RSA0070335  Leptosiphon parviflorus R. G. Swinney 2010-6-8 13183 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 494 Comment
  RSA0086828  Leptosiphon parviflorus R. G. Swinney 2011-5-3 14571 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  UCR259582  Leptosiphon parviflorus R. G. Swinney 2010-6-8 13183 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  UCR271462  Leptosiphon parviflorus R. G. Swinney 2011-5-3 14571 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  JEPS20559  Lessingia glandulifera var. glandulifera Frank W. Peirson 1918-10-16 278 Los Angeles entrance to Pacoima Canyon; San Gabriel Mountains, entrance to Pacoima Canyon 457 Comment
  RSA578140  Leymus cinereus Timothy S. Ross, W. Appleby 1993-5-19 7171 Los Angeles Western San Gabriel Mountains: ca 120 meters ESE of Wilson Canyon Saddle along old Forest Service loop road. 960 Comment
  RSA0047902  Leymus condensatus R. G. Swinney 2010-6-4 13072 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA561599  Leymus condensatus Steve Boyd, Walter Appleby 1993-5-24 8168 Los Angeles Seepages along upper end of Wilson canyon Rd, S of Wilson Canyon Saddle and E of the communication facility 944 Comment
  RSA584597  Leymus condensatus Timothy S. Ross, Orlando Mistretta 1993-5-26 7303 Los Angeles W end of the San Gabriel Mountains: near head of upper E Fork Wilson Canyon just E of 'Lupine Saddle', ca. 780 meters E of Wilson Canyon Saddle. 976 Comment
  RSA0064054  Leymus triticoides R. G. Swinney 2010-6-8 13187 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA584290  Lilium humboldtii subsp. ocellatum Timothy S. Ross, Orlando Mistretta 1993-5-27 7336 Los Angeles W end of the San Gabriel Mountains: Wilson Canyon, along the riparian strip. 588 Comment
  UCR256477  Lilium humboldtii subsp. ocellatum R. G. Swinney 2010-6-8 13205 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
  RSA724537  Linanthus californicus K. Dobry 1991-3-15 420 Los Angeles San Gabriel Mts at Elsmre Cyn Comment
  RSA0088010  Lithophragma R. G. Swinney 2010-6-21 13289 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  UCR260387  Lithophragma R. G. Swinney 2010-6-21 13289 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  RSA0045217  Lithophragma affine R. G. Swinney 2010-6-21 13268 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 561 Comment
  RSA562539  Lithophragma affine Steve Boyd, W. Appleby 1993-4-22 7987 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  UCR253389  Lithophragma affine R. G. Swinney 2010-6-21 13268 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  RSA0086826  Lithophragma bolanderi R. G. Swinney 2011-5-3 14562 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA602977  Lithophragma bolanderi Louis C. Wheeler 1967-5-18 9627 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  UC1871216  Lithophragma bolanderi T. S. Ross, W. Appleby 1993-5-20 7198 Los Angeles Transverse Ranges; San Gabriel Mountains region; Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring; San Fernando 7.5' USGS quad; R15W T3N, SE/4 NE/4 NE/4 SE/4 sect 9; ca 3000-3070 ft elevation. Comment
  UCR108651  Lithophragma bolanderi L. C. Wheeler 1967-5-18 9627 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR271485  Lithophragma bolanderi R. G. Swinney 2011-5-3 14562 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  RSA562567  Lithophragma heterophyllum Steve Boyd, W. Appleby 1993-4-22 7983 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  RSA590473  Lithophragma heterophyllum T. S. Ross, W. Appleby 1993-5-20 7198 Los Angeles Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring. 915 Comment
  RSA724679  Lithophragma heterophyllum K. Dobry 1991-3-15 d- 425 Los Angeles San Gabriel Mts at Elsmre Cyn Comment
  RSA84384  Lithophragma heterophyllum F. W. Peirson 1921-4-3 2395 Los Angeles Pacoima Canyon, W end of San Gabriel Mts. 549 Comment
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Oct 6 2009
  UCR79373  Lithophragma heterophyllum Steve Boyd, Walter Appleby 1993-4-22 7983 Los Angeles Western San Gabriel Mtns., north of Sylmar & south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Near Los Pinetos Spring, at the head of Los Pinetos Canyon 976 Comment
  RSA624068  Loeflingia squarrosa L. C. Wheeler 1967-5-18 9653 Los Angeles San Gabriel Mountains: Placerita Canyon, vicinity of Oak of the Golden Dream. 478 Comment
  RSA0106842  Logfia filaginoides R. G. Swinney 2011-5-10 14639 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
  UCR270524  Logfia filaginoides R. G. Swinney 2010-4-13 12178 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  UCR273557  Logfia filaginoides R. G. Swinney 2011-5-10 14639 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA0042041  Logfia gallica R. G. Swinney 2010-5-4 12492 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
  RSA0106837  Logfia gallica R. G. Swinney 2011-5-10 14642 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
  RSA0115269  Logfia gallica Richard G. Swinney 2010-6-8 13225 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  UCR273550  Logfia gallica R. G. Swinney 2011-5-10 14642 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA360073  Lolium perenne B. A. Prigge 1986-3-29 7144 Los Angeles at Golden Valley and Antelope Valley Freeway (CA state Hwy 14) 457 Comment
  UCR43944  Lolium perenne B. A. Prigge 1986-3-29 7144 Los Angeles San Gabriel Mtns., South of Canyon Country at Golden Valley/Antelope Valley Fwy (Calif. Hwy 14) 457 Comment
  RSA0106836  Lomatium lucidum R. G. Swinney 2011-5-10 14646 Los Angeles San Gabriel Mountains: c. 0.4 miles NE of Manzanita Mt. along connection trail between Hillside Trail and Manzanita Mt. Trail, inside Placerita Cyn. Natural Area, . 500 Comment
  SD254520  Lomatium lucidum R. G. Swinney 2011-5-10 14646 Los Angeles San Gabriel Mountains: c. 0.4 mile NE of Manzanita Mt. along connection trail between Hillside Trail and Manzanita Mt. trail, inside Placerita Canyon Natural Area (Mint Canyon 7.5'Q) 500 Comment
  UC1605195  Lomatium lucidum Tim Ross and Walter Appleby 1993-5-19 7174 Los Angeles long s.-s.e.-trending ridge s. Wilson Canyon Saddle (e. side of ridge); w. San Gabriel Mts., San Fernando Quad. 947 Comment
  UCR273161  Lomatium lucidum R. G. Swinney 2011-5-10 14646 Los Angeles San Gabriel Mountains, c. 0.4 miles NE of Manzanita Mt. along connection trail between Hillside Trail and Manzanita Mt. Trail, inside Placerita Cyn. Natural Area, 500 Comment
  UCR273271  Lomatium lucidum R. G. Swinney 2011-5-10 14651 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  RSA0116801  Lonicera subspicata R. G. Swinney 2010-5-25 12923 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  SFV16416  Lonicera subspicata J. H. Nishida 1991-8-10 s. n. Los Angeles San Gabriel Mountains Bear Divide off of Little Tujunga Canyon. Along trail to Coyote Canyon. 793 Comment
  UCR277039  Lonicera subspicata R. G. Swinney 2010-5-25 12923 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA507988  Lonicera subspicata var. denudata Steve Boyd, Timothy S. Ross 1988-4-28 2243 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA561575  Lonicera subspicata var. denudata Steve Boyd, Orlando Mistretta 1993-5-17 8144 Los Angeles north of sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Ridge on west side of Sombrero Canyon at the western edge of the forest 792 Comment
  RSA648044  Lonicera subspicata var. denudata Orlando Mistretta 1992-7-13 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA0069203  Lotus corniculatus R. G. Swinney 2010-6-8 13193 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0110924  Lotus corniculatus R. G. Swinney 2010-10-5 13981 Los Angeles San Gabriel Mountains: east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  UCR256471  Lotus corniculatus R. G. Swinney 2010-6-8 13193 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
  UCR277086  Lotus corniculatus R. G. Swinney 2010-10-5 13981 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  RSA724424  Lotus crassifolius var. crassifolius K. Dobry 1991-5-13 518 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  RSA561590  Lotus grandiflorus var. grandiflorus Steve Boyd 1993-5-17 8146 Los Angeles North of sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. at the western edge of the forest on ridge at head of Elsmere Canyon, north of Sombrero Road (3N64) and west of communications facility. 883 Comment
  RSA563489  Lotus grandiflorus var. grandiflorus T. S. Ross 1993-5-13 7125 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  RSA590600  Lotus grandiflorus var. grandiflorus T. S. Ross 1993-5-13 7136 Los Angeles forest service firebreak between Whitney Canyon and Los Pinetos spring along north-trending ridge 954 Comment
  RSA724419  Lotus grandiflorus var. grandiflorus K. Dobry 1991-5-13 d- 505 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  RSA724423  Lotus grandiflorus var. grandiflorus K. Dobry 1991-5-13 d- 546 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UC1871119  Lotus grandiflorus var. grandiflorus T. S. Ross 1993-5-13 7125 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon; San Fernando 7.5' USGS quad; R15W T3N, E/4 NW/4 sect 10; between 2800-3220 feet elevation. Comment
  RSA0080072  Lotus purshianus R. G. Swinney 2010-6-4 13034 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UCR256223  Lotus purshianus R. G. Swinney 2010-6-4 13034 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
  RSA0084932  Lotus salsuginosus R. G. Swinney 2010-3-10 11814 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  SFV15582  Lotus salsuginosus R. K. Stachelek 1992-4-14 24 Los Angeles San Gabriel Mountains Sylmar. Stetson Ranch Park, along upper part of fire road. 520 Comment
  UCR258498  Lotus salsuginosus R. G. Swinney 2010-3-10 11814 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  RSA0036985  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-29 13408 Los Angeles San Gabriel Mountains: junction of W. Fork May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0047410  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-4 12486 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
  RSA0082564  Lotus scoparius subsp. scoparius R. G. Swinney 2010-3-10 11819 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  RSA0087387  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-25 12976 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0116486  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-25 12951 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR252737  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-29 13408 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR255845  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-4 12486 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
  UCR258572  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-29 13006 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCR258613  Lotus scoparius subsp. scoparius R. G. Swinney 2010-3-10 11819 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR258813  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-25 12976 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR277194  Lotus scoparius subsp. scoparius R. G. Swinney 2010-5-25 12951 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  POM305738  Lotus scoparius var. scoparius H. J. Ramsey 1937-6-27 916 Los Angeles Bear Creek, north of Pacoima Reservoir, Angeles National Forest, San Gabriel Mountains. Comment
  RSA0080965  Lotus scoparius var. scoparius R. G. Swinney 2010-4-28 12403 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
  UCR271889  Lotus scoparius var. scoparius R. G. Swinney 2010-4-28 12403 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
  RSA0036986  Lotus strigosus R. G. Swinney 2010-5-29 13409 Los Angeles San Gabriel Mountains: junction of W. Fork May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0058234  Lotus strigosus Richard G. Swinney 2010-4-23 12342 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0080793  Lotus strigosus R. G. Swinney 2010-4-13 12186 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
  RSA0080971  Lotus strigosus R. G. Swinney 2010-4-28 12409 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
  RSA562574  Lotus strigosus Steve Boyd 1993-4-22 7996 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  RSA724513  Lotus strigosus K. Dobry 1991-5-2 564 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  RSA724520  Lotus strigosus K. Dobry 1991-5-2 580 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  RSA724521  Lotus strigosus K. Dobry 1991-5-2 563 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  RSA724522  Lotus strigosus K. Dobry 1991-5-2 d- 579 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  UCR252736  Lotus strigosus R. G. Swinney 2010-5-29 13409 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR258830  Lotus strigosus R. G. Swinney 2010-4-23 12342 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR269940  Lotus strigosus R. G. Swinney 2010-4-13 12186 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  UCR272009  Lotus strigosus R. G. Swinney 2010-4-28 12409 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
  UCR95320  Lotus strigosus L. C. Wheeler 1967-4-30 9237 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  UCR255798  Lotus strigosus var. strigosus R. G. Swinney 2010-5-4 12506 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
  RSA0062531  Lupinus bicolor R. G. Swinney 2010-6-4 13055 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA0080774  Lupinus bicolor R. G. Swinney 2010-4-13 12187 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
  RSA0085281  Lupinus bicolor R. G. Swinney 2010-4-30 12468 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
  RSA0089144  Lupinus bicolor R. G. Swinney 2010-4-28 12399 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
  RSA0106835  Lupinus bicolor R. G. Swinney 2011-5-10 14633 Los Angeles San Gabriel Mountains: Angeles Natl. Forest, Manzanita Mt., at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center. 616 Comment
  RSA562570  Lupinus bicolor Steve Boyd 1993-4-22 7980 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  UC1871215  Lupinus bicolor T. S. Ross, Walter Appleby 1993-5-20 7207 Los Angeles Transverse Ranges; San Gabriel Mountains region; Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring; San Fernando 7.5' USGS quad; R15W T3N, SE/4 NE/4 NE/4 SE/4 sect 9; ca 3000-3070 ft elevation. Comment
  UCR256152  Lupinus bicolor R. G. Swinney 2010-6-4 13055 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
  UCR258893  Lupinus bicolor R. G. Swinney 2010-4-30 12468 Los Angeles San Gabriel Mountains, 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
  UCR269941  Lupinus bicolor R. G. Swinney 2010-4-13 12187 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  UCR271818  Lupinus bicolor R. G. Swinney 2010-4-28 12399 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
  UCR273371  Lupinus bicolor R. G. Swinney 2011-5-10 14633 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  SFV21472  Lupinus formosus J. H. Nishida 1991-8-10 s. n. Los Angeles San Gabriel Mountains Bear Divide, on Little Tujunga Canyon. Fire break. 793 Comment
  RSA562549  Lupinus formosus var. formosus Steve Boyd 1993-4-22 7997 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  RSA618597  Lupinus formosus var. formosus L. C. Wheeler 1967-5-18 9640 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA0053866  Lupinus hirsutissimus R. G. Swinney 2010-4-28 12441 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of the eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0062519  Lupinus hirsutissimus R. G. Swinney 2010-4-20 12302 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  SEINET8043941 Image available Lupinus hirsutissimus R. G. Swinney 2010-1 12441 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
  UCR255813  Lupinus hirsutissimus R. G. Swinney 2010-5-4 12494 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
  UCR256133  Lupinus hirsutissimus R. G. Swinney 2010-4-20 12302 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR259973  Lupinus hirsutissimus R. G. Swinney 2010-4-28 12441 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
  RSA0036984  Lupinus latifolius R. G. Swinney 2010-5-29 13407 Los Angeles San Gabriel Mountains: junction of W. Fork May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0043003  Lupinus latifolius R. G. Swinney 2010-6-21 13256 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  UCR252570  Lupinus latifolius R. G. Swinney 2010-6-21 13256 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  UCR252738  Lupinus latifolius R. G. Swinney 2010-5-29 13407 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  RSA0085033  Lupinus latifolius subsp. parishii R. G. Swinney 2010-4-30 12446 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  UCR260365  Lupinus latifolius subsp. parishii R. G. Swinney 2010-4-30 12446 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  RSA497244  Lupinus microcarpus var. densiflorus L. C. Wheeler 1967-5-18 9618 Los Angeles Placerita Canyon 518 Comment
  UCR259246  Lupinus microcarpus var. densiflorus R. G. Swinney 2010-6-4 12985 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
  RSA0055785  Lupinus sparsiflorus R. G. Swinney 2010-4-28 12392 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
  RSA0057921  Lupinus sparsiflorus Richard G. Swinney 2010-4-15 12218 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0080791  Lupinus sparsiflorus R. G. Swinney 2010-4-13 12184 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
  RSA0084933  Lupinus sparsiflorus R. G. Swinney 2010-3-10 11813 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 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
  UCR259628  Lupinus sparsiflorus R. G. Swinney 2010-4-15 12218 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR259763  Lupinus sparsiflorus R. G. Swinney 2010-4-20 12295 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR259937  Lupinus sparsiflorus R. G. Swinney 2010-4-28 12392 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
  UCR269939  Lupinus sparsiflorus R. G. Swinney 2010-4-13 12184 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  RSA507991  Lupinus sparsiflorus subsp. sparsiflorus Steve Boyd 1988-4-28 2246 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA0068441  Lupinus succulentus R. G. Swinney 2010-6-8 13212 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0080643  Lupinus succulentus R. G. Swinney 2010-3-10 11811 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  SBBG118480  Lupinus succulentus O. Mistretta 1992-7-13 698 Los Angeles Los Pinetos Spring Cyn Trail Comment
  UCR256874  Lupinus succulentus R. G. Swinney 2010-6-8 13212 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
  UCR258564  Lupinus succulentus R. G. Swinney 2010-3-10 11811 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  RSA0055786  Lupinus truncatus R. G. Swinney 2010-4-28 12434 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
  RSA0086994  Lupinus truncatus R. G. Swinney 2010-4-21 12328 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash. 457 Comment
  SEINET13383981 Image available Lupinus truncatus R. G. Swinney 2010-1 12328 Los Angeles San Gabriel Mountains: Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  UCR259951  Lupinus truncatus R. G. Swinney 2010-4-28 12434 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
  UCR260032  Lupinus truncatus R. G. Swinney 2010-4-21 12328 Los Angeles San Gabriel Mountains, Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  RSA0080070  Madia gracilis R. G. Swinney 2010-6-4 13038 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA0088007  Madia gracilis R. G. Swinney 2010-6-21 13297 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA601173  Madia gracilis L. C. Wheeler 1967-6-26 9897 b Los Angeles San Gabriel Mountains: Elsmere Canyon, south central. At the forks of the canyon, just north of the section line 488 Comment
  RSA618596  Madia gracilis L. C. Wheeler 1967-5-18 9639 Los Angeles Placerita Canyon 518 Comment
  UCR256219  Madia gracilis R. G. Swinney 2010-6-4 13038 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
  UCR260390  Madia gracilis R. G. Swinney 2010-6-21 13297 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  RSA724751  Mahonia dictyota K. Dobry 1991-3-15 d- 478 Los Angeles West San Gabriel Mts. Upper Elsmere Cyn Comment
  RSA0083119  Malacothamnus R. G. Swinney 2010-6-4 13040 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UCR256160  Malacothamnus R. G. Swinney 2010-6-4 13040 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
  UCR259129  Malacothamnus R. G. Swinney 2010-5-4 12528 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  CAS-BOT-BC230921  Malacothamnus davidsonii Tim Ross; Steve Boyd 1993-6-30 7387 Los Angeles Western San Gabriel Mtns: near middle portion of Loop Canyon 684 Comment
  CAS-BOT-BC230924  Malacothamnus davidsonii John Thomas Howell 1930-5-18 5169 Los Angeles Pacoima Wash at entrance to Pacoima Canyon, San Fernando Valley Comment
  CAS-BOT-BC231883  Malacothamnus davidsonii Tim Ross; Steve Boyd 1993-6-30 7387 Los Angeles Western San Gabriel Mtns: near middle portion of Loop Canyon 684 Comment
  CHSC95860  Malacothamnus davidsonii LeRoy Gross; Steve Fischer, Gary Wallace, et al. 2002-12-7 677 Los Angeles Transverse Ranges: San Gabriel Mountains Region: Limekiln Canyon. High-angle seismic plain in lower part of canyon before it empties into Pacoima wash. 518 Comment
  RSA0085347  Malacothamnus davidsonii R. G. Swinney 2010-5-4 12528 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  RSA561610  Malacothamnus davidsonii Steve Boyd, Orlando Mistretta 1993-5-18 8159 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Ridge dividing Hog and Schoolhouse Canyons. 701 Comment
  RSA563513  Malacothamnus davidsonii Tim S. Ross, Steve D. Boyd 1993-6-30 7387 Los Angeles Western SAN GABRIEL MTS.: near middle portion of Loop Canyon. 684 Comment
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Jan 15 2009
  RSA563514  Malacothamnus davidsonii Tim S. Ross, Steve D. Boyd 1993-6-30 7387 Los Angeles Western SAN GABRIEL MTS.: near middle portion of Loop Canyon. 684 Comment
  RSA610537  Malacothamnus davidsonii Louis C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Ridge at head of Loop Canyon. 1098 Comment
  RSA673609  Malacothamnus davidsonii LeRoy Gross, Steve Fischer, Gary D. Wallace 2002-12-7 677 Los Angeles Limekiln Canyon. 518 Comment
  SBBG72801  Malacothamnus davidsonii J. Ewan 1931-7-4 Los Angeles 1 mi below dam, Pacoima Cyn Comment
  SD155443  Malacothamnus davidsonii Craig Reiser 2001-8-21 Los Angeles Sylmar, NE of Roxford Road and the 210 Freeway. Comment
  SFV16408  Malacothamnus davidsonii J. H. Nishida 1991-8-10 s. n. Los Angeles San Gabriel Mountains Bear Divide off of Little Tujunga Canyon. 793 Comment
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Oct 21 2019
  SFV9646  Malacothamnus davidsonii D. L. Koutnik 1977-7-20 s. n. Los Angeles San Fernando Valley Sylmar. Where I-5 meats Foothill Blvd. 400 Comment
  UC1871314  Malacothamnus davidsonii T. S. Ross, S. D. Boyd 1993-6-30 7387 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western SAN GABRIEL MTS.: near middle portion of Loop Canyon; San Fernando 7.5' USGS quad, R15W T3N, SW/4 SW/4 SE/4 SE/4 sect 14; ca 2245 feet elevation. 684 Comment
  UC1871315  Malacothamnus davidsonii T. S. Ross, S. D. Boyd 1993-6-30 7387 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western SAN GABRIEL MTS.: near middle portion of Loop Canyon; San Fernando 7.5' USGS quad, R15W T3N, SW/4 SW/4 SE/4 SE/4 sect 14; ca 2245 feet elevation. 684 Comment
  UCR178177  Malacothamnus davidsonii LeRoy Gross, Steve Fischer, G. D. Wallace, et al. 2002-12-7 677 Los Angeles Transverse Ranges: San Gabriel Mtns, Limekiln Canyon 518 Comment
  CAS-BOT-BC206224  Malacothamnus fasciculatus John Thomas Howell 1930-5-18 5169 Los Angeles Pacoima Wash at entrance to Pacoima Canyon, San Fernando Valley Comment
  RSA507998  Malacothrix clevelandii Steve Boyd, Timothy S. Ross 1988-4-28 2253 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA710599  Malacothrix clevelandii R. K. Brummitt, S. D. Boyd 1998-5-25 20023 Los Angeles NW end of San Gabriel Mtns., 12 km N of San Fernando just E of Rte. 14 545 Comment
  UCR61027  Malacothrix clevelandii Steve Boyd, T. S. Ross 1988-4-28 2253 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  CAS-BOT-BC520317  Malacothrix glabrata R. G. Swinney 2010-4-15 12217 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25--0.7 mi E of Pacoima Wash 609 Comment
  RSA0057920  Malacothrix glabrata Richard G. Swinney 2010-4-15 12217 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  UCR258583  Malacothrix glabrata R. G. Swinney 2010-4-23 12360 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR259629  Malacothrix glabrata R. G. Swinney 2010-4-15 12217 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  RSA0055775  Malacothrix saxatilis R. G. Swinney 2010-4-28 12395 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
  RSA0077097  Malacothrix saxatilis R. G. Swinney 2010-4-15 12220 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0080651  Malacothrix saxatilis R. G. Swinney 2010-5-29 13011 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA0088252  Malacothrix saxatilis R. G. Swinney 2010-5-25 12962 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  UCR258561  Malacothrix saxatilis R. G. Swinney 2010-5-29 13011 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCR258587  Malacothrix saxatilis R. G. Swinney 2010-4-23 12356 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258754  Malacothrix saxatilis R. G. Swinney 2010-5-25 12962 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR259637  Malacothrix saxatilis R. G. Swinney 2010-4-15 12220 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR259769  Malacothrix saxatilis R. G. Swinney 2010-4-28 12395 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
  RSA601126  Malacothrix saxatilis var. tenuifolia L. C. Wheeler 1967-6-26 9894 Los Angeles San Gabriel Mountains: Elsmere Canyon, south central. At the forks of the canyon, just north of the section line 488 Comment
  RSA0087068  Malva parviflora R. G. Swinney 2010-5-4 12525 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  SFV18431  Malva parviflora C. Ferguson 1974-4-26 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Next to Nature Center. 460 Comment
  UCR259265  Malva parviflora R. G. Swinney 2010-5-4 12525 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
  RSA0073609  Marah macrocarpa R. G. Swinney 2010-4-23 12333 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0077090  Marah macrocarpa R. G. Swinney 2010-4-15 12228 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0086540  Marah macrocarpa R. G. Swinney 2011-5-3 14575 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  SBBG25462  Marah macrocarpa K. A. Wilson 1961-3-11 973 Los Angeles Placerita Cyn Rd, small cyn 1 mi W of Placerita Cyn State Park 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
  SFV3628  Marah macrocarpa K. A. Wilson, D. E. Bianchi 1961-2-2 820 Los Angeles San Gabriel Mountains Placerita Canyon, Placerita Road. Small, shaded gully 2 miles east of Route 6. 490 Comment
  UCD107551  Marah macrocarpa Kenneth A. Wilson 1961-3-11 973 Los Angeles San Gabriel Mtns. Placerita Canyon Road. Small canyon 1 mile west of Placerita Canyon State Park. Comment
  UCR259365  Marah macrocarpa R. G. Swinney 2010-4-23 12333 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR259684  Marah macrocarpa R. G. Swinney 2010-4-15 12228 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR259953  Marah macrocarpa R. G. Swinney 2010-4-28 12429 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
  UCR271473  Marah macrocarpa R. G. Swinney 2011-5-3 14575 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  RSA0055782  Marah macrocarpa var. macrocarpa R. G. Swinney 2010-4-28 12429 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
  RSA563496  Marah macrocarpa var. macrocarpa T. S. Ross, Walter Appleby 1993-5-13 7126 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  UC1871316  Marah macrocarpa var. macrocarpa T. S. Ross, Walter Appleby 1993-5-13 7126 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon Comment
  RSA0068440  Marrubium vulgare R. G. Swinney 2010-6-8 13213 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0081295  Marrubium vulgare R. G. Swinney 2010-4-28 12412 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
  RSA0087067  Marrubium vulgare R. G. Swinney 2010-5-4 12524 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  UCR256873  Marrubium vulgare R. G. Swinney 2010-6-8 13213 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
  UCR259279  Marrubium vulgare R. G. Swinney 2010-5-4 12524 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
  UCR271985  Marrubium vulgare R. G. Swinney 2010-4-28 12412 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
  UCR256433  Matricaria discoidea R. G. Swinney 2010-6-8 13197 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
  RSA0084931  Medicago polymorpha R. G. Swinney 2010-3-10 11816 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR258500  Medicago polymorpha R. G. Swinney 2010-3-10 11816 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  RSA0062567  Melica imperfecta R. G. Swinney 2010-4-20 12311 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0089142  Melica imperfecta R. G. Swinney 2010-4-28 12397 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
  RSA0091132  Melica imperfecta R. G. Swinney 2010-4-13 12197 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA578134  Melica imperfecta Timothy S. Ross 1993-5-13 7119 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 854 Comment
  RSA592877  Melica imperfecta L. C. Wheeler 1967-4-30 9222 Los Angeles San Gabriel Mountains. Limekiln Canyon. 549 Comment
  SD260874  Melica imperfecta R. G. Swinney 2010-4-13 12197 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2 - 0.5 miles east of Pacoima Canyon. In burn area of 2009 Station Fire. 561 Comment
  SEINET13386986 Image available Melica imperfecta R. G. Swinney 2010-1 12197 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon (San Fernando 7.5' Q.) (T3N R14W S30) 561 Comment
  UC1871329  Melica imperfecta T. S. Ross 1993-5-13 7119 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon Comment
  UCR256149  Melica imperfecta R. G. Swinney 2010-4-20 12311 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR270799  Melica imperfecta R. G. Swinney 2010-4-13 12197 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR271816  Melica imperfecta R. G. Swinney 2010-4-28 12397 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
  RSA0062629  Melilotus albus R. G. Swinney 2010-6-8 13200 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  UCR256465  Melilotus albus R. G. Swinney 2010-6-8 13200 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
  RSA0087236  Melilotus indicus R. G. Swinney 2010-5-4 12512 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  RSA0115274  Melilotus indicus Richard G. Swinney 2010-5-25 12917 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA724498  Melilotus indicus K. Dobry 1991-5-13 526 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  SFV15555  Melilotus indicus R. K. Stachelek 1992-4-14 14 Los Angeles San Gabriel Mountains Sylmar. Stetson Ranch Park. 500 Comment
  UCR258612  Melilotus indicus R. G. Swinney 2010-3-10 11818 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR259277  Melilotus indicus R. G. Swinney 2010-5-4 12512 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
  RSA507972  Mentzelia dispersa Steve Boyd, Tim Ross 1988-4-28 2226 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA0047419  Mentzelia micrantha R. G. Swinney 2010-5-4 12501 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
  RSA0080069  Mentzelia micrantha R. G. Swinney 2010-6-4 13039 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA0080740  Mentzelia micrantha R. G. Swinney 2010-4-23 12369 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  UCR255834  Mentzelia micrantha R. G. Swinney 2010-5-4 12501 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
  UCR256136  Mentzelia micrantha R. G. Swinney 2010-4-20 12316 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR256176  Mentzelia micrantha R. G. Swinney 2010-6-4 13060 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
  UCR256218  Mentzelia micrantha R. G. Swinney 2010-6-4 13039 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
  UCR258575  Mentzelia micrantha R. G. Swinney 2010-4-23 12369 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA512054  Micropus californicus var. californicus L. C. Wheeler 1967-5-18 9613 Los Angeles Placerita Canyon 518 Comment
  UCR142804  Micropus californicus var. californicus L. C. Wheeler 1967-5-18 9613 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  RSA0077096  Microseris lindleyi R. G. Swinney 2010-4-15 12227 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0086544  Microseris lindleyi R. G. Swinney 2011-5-3 14565 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA0088253  Microseris lindleyi R. G. Swinney 2010-5-25 12959 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA507992  Microseris lindleyi Steve Boyd, Timothy S. Ross 1988-4-28 2247 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  UCR258756  Microseris lindleyi R. G. Swinney 2010-5-25 12959 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR259588  Microseris lindleyi R. G. Swinney 2010-4-15 12227 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR271470  Microseris lindleyi R. G. Swinney 2011-5-3 14565 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  POM305747  Mimulus aurantiacus Henry J. Ramsey, Henry J. Ramsey 1937-6-27 946 Los Angeles Little Tujunga Canyon, Summit., Angeles National Forest, San Gabriel Mountains. Comment
  RSA447918  Mimulus aurantiacus R. S. Felger 1968-6-13 s.n. Los Angeles Elsmere Canyon, Angeles Natl. Forest, ca. 2 mi SE of Newhall. 518 Comment
  RSA646135  Mimulus aurantiacus Orlando Mistretta 1992-7-13 701 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA724658  Mimulus aurantiacus K. Dobry 1991-5-20 598 Los Angeles West San Gabriel [Mountains] at Elsmere Cyn. Comment
  SFV18458  Mimulus aurantiacus C. Ferguson 1971-5-5 Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Comment
  RSA0039129  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-29 13403 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0055982  Mimulus aurantiacus var. pubescens Richard G. Swinney 2010-5-25 12978 Los Angeles San Gabriel Mountains; just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0087021  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-4-30 12450 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  RSA0115314  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-25 12916 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA507989  Mimulus aurantiacus var. pubescens Steve Boyd, Tim S. Ross 1988-4-28 2244 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA590558  Mimulus aurantiacus var. pubescens Tim S. Ross, W. Appleby 1993-5-20 7188 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle. 951 Comment
  UC1871027  Mimulus aurantiacus var. pubescens T. S. Ross, W. Appleby 1993-5-20 7188 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle; San Fernando quad: R15W T3N, NE/4 SE/4 sect. 9; elev. ca. 3120 ft. 951 Comment
  UCR252898  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-29 13403 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR255821  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-4 12505 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
  UCR258809  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-25 12978 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR260404  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-4-30 12450 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  UCR277031  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-25 12916 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA0116688  Mimulus brevipes R. G. Swinney 2010-5-25 12925 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR255815  Mimulus brevipes R. G. Swinney 2010-5-4 12508 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
  UCR272010  Mimulus brevipes R. G. Swinney 2010-4-28 12414 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
  UCR277041  Mimulus brevipes R. G. Swinney 2010-5-25 12925 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA0080650  Mimulus cardinalis R. G. Swinney 2010-5-29 13010 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  SEINET11262500  Mimulus cardinalis Richard S. Felger 1968-6-13 s.n. Los Angeles Elsmere Canyon, San Gabriel Mts. Ca 2 mi se of Newhall.; 0 518 Comment
  UCR258562  Mimulus cardinalis R. G. Swinney 2010-5-29 13010 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  RSA0039130  Mimulus floribundus R. G. Swinney 2010-5-29 13402 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0115255  Mimulus floribundus Richard G. Swinney 2010-5-25 12944 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR102371  Mimulus floribundus L. C. Wheeler 1967-6-26 9870 Los Angeles San Gabriel Mtns, Elsmere Canyon 466 Comment
  UCR252897  Mimulus floribundus R. G. Swinney 2010-5-29 13402 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR258556  Mimulus floribundus R. G. Swinney 2010-5-29 13020 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCR277044  Mimulus floribundus R. G. Swinney 2010-5-25 12944 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA0116793  Mimulus guttatus R. G. Swinney 2010-5-25 12930 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA724663  Mimulus guttatus K. Dobry 1991-5-13 510 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  RSA724665  Mimulus guttatus K. Dobry 1991-5-13 509 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  SEINET4678061  Mimulus guttatus K. Dobry 1991-5-13 508 Los Angeles West San Gabriel Mts. at Elsmere Canyon.; 0 Comment
  UCR208223  Mimulus guttatus R. S. Felger 1968-6-13 s.n. Los Angeles San Gabriel Mtns., Elsmere Canyon, Angeles National Forest, c. 2 mi. SE of Newhall 518 Comment
  UCR259753  Mimulus guttatus R. G. Swinney 2010-4-20 12294 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR277241  Mimulus guttatus R. G. Swinney 2010-5-25 12930 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA507993  Minuartia douglasii Steve Boyd, Timothy S. Ross 1988-4-28 2248 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA512032  Minuartia douglasii L. C. Wheeler 1967-5-18 9633 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  RSA616138  Minuartia douglasii L. C. Wheeler 1967-5-18 9633 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA65507  Minuartia douglasii F. W. Peirson 1919-4-19 367 Los Angeles Pacoima Canyon 548 Comment
  RSA592233  Mirabilis californica var. californica Louis C. Wheeler 1967-4-30 9245 Los Angeles Limekiln Canyon 549 Comment
  UCR95444  Mirabilis californica var. californica L. C. Wheeler 1967-4-30 9245 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  RSA0077095  Mirabilis laevis R. G. Swinney 2010-4-15 12226 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  UCR259587  Mirabilis laevis R. G. Swinney 2010-4-15 12226 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR271910  Mirabilis laevis R. G. Swinney 2010-4-30 12475 Los Angeles San Gabriel Mts., Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon 482 Comment
  RSA0039127  Monardella breweri subsp. lanceolata R. G. Swinney 2010-6-21 13249 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  UCR252554  Monardella breweri subsp. lanceolata R. G. Swinney 2010-6-21 13249 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  POM305741  Monardella lanceolata Henry J. Ramsey, Henry J. Ramsey 1937-6-27 913 Los Angeles Angeles National Forest: Bear Creek, north of Pacoima Reservoir. Comment
  CAS-BOT-BC275320  Muhlenbergia microsperma Tim Ross; Orlando Mistretta 1993-5-27 7330 Los Angeles W end of the San Gabriel Mountains: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 670 Comment
  RSA0073610  Muhlenbergia microsperma R. G. Swinney 2010-4-23 12334 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0084492  Muhlenbergia microsperma R. G. Swinney 2010-4-13 12213 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA503435  Muhlenbergia microsperma L. C. Wheeler 1967-4-30 9233 Los Angeles Limekiln Canyon 548 Comment
  RSA584601  Muhlenbergia microsperma Timothy S. Ross, Orlando Mistretta 1993-5-27 7330 Los Angeles W end of San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon. 841 Comment
  RSA592225  Muhlenbergia microsperma L. C. Wheeler 1967-4-30 9233 Los Angeles Limekiln Canyon 548 Comment
  UCR259366  Muhlenbergia microsperma R. G. Swinney 2010-4-23 12334 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR260330  Muhlenbergia microsperma R. G. Swinney 2010-4-13 12213 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA0088147  Muilla maritima R. G. Swinney 2010-5-4 12517 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  RSA0103472  Muilla maritima R. G. Swinney 2011-5-10 14652 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  SEINET3887502  Muilla maritima Keith Dobry 1991-5-14 537 Los Angeles Elsmere Canyon, West San Gabriel Mountains.; 0 Comment
  UCR259272  Muilla maritima R. G. Swinney 2010-5-4 12517 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
  UCR273304  Muilla maritima R. G. Swinney 2011-5-10 14652 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  RSA0084952  Nassella cernua R. G. Swinney 2010-5-4 12496 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
  CAS-BOT-BC259908  Nassella lepida Tim Ross; Orlando Mistretta 1993-5-27 7325 Los Angeles W end of the San Gabriel Mountains: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 819 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
  RSA584764  Nassella lepida Timothy S. Ross, Orlando Mistretta 1993-5-27 7325 Los Angeles W end of San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon. 841 Comment
  RSA601171  Nasturtium officinale L. C. Wheeler 1967-6-26 9898 Los Angeles San Gabriel Mountains : Elsmere Canyon, south central. At the forks of the canyon, just north of the section line. 488 Comment
  RSA0070334  Navarretia atractyloides R. G. Swinney 2010-6-8 13184 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 494 Comment
  UC2026439  Navarretia atractyloides Louis C. Wheeler 1967-6-26 9880 Los Angeles SAN GABRIEL MOUNTAINS: Elsmere Canyon. Comment
  UCR259583  Navarretia atractyloides R. G. Swinney 2010-6-8 13184 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  UCR258926  Nemacladus R. G. Swinney 2010-4-20 12274 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA786323  Nemophila menziesii K. Dobry 1991-4-4 469 Los Angeles Elsmere Cyn. West San Gabriel Mts. Comment
  SFV7367  Nemophila menziesii T. Gordon, M. H. Grayum 1975-4-3 886 Los Angeles San Gabriel Mountains Placerita Canyon near Los Pinetos Canyon. 564 Comment
  UC1611538  Nemophila menziesii Tim Ross and Walter Appleby 1993-4-15 6823 Los Angeles Los Pinetos Spring wester San Gabriel Mtns., San Fernando 7.5' USGS quad, Los P (at head of canyon) 893 Comment
  RSA615510  Nemophila menziesii var. integrifolia Louis C. Wheeler 1967-5-18 9641 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  UCR108649  Nemophila menziesii var. integrifolia L. C. Wheeler 1967-5-18 9641 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  RSA421267  Nemophila menziesii var. menziesii Louis C. Wheeler 1935-4-25 3437 Los Angeles Placerita Canyon. 457 Comment
  RSA0107656  Nemophila pedunculata R. G. Swinney 2011-5-3 14557 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  SD253469  Nemophila pedunculata R. G. Swinney 2011-5-3 14557 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Road, Ecology Trail east of the Nature Center (Mint Canyon 7.5'Q) 487 Comment
  UCR271489  Nemophila pedunculata R. G. Swinney 2011-5-3 14557 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  RSA0045221  Nemophila spatulata R. G. Swinney 2010-6-21 13270 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 561 Comment
  UCR253388  Nemophila spatulata R. G. Swinney 2010-6-21 13270 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  UCR260379  Nemophila spatulata R. G. Swinney 2010-6-21 13290 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  RSA0057916  Nerium oleander Richard G. Swinney 2010-4-15 12223 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  UCR259633  Nerium oleander R. G. Swinney 2010-4-15 12223 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  CDA5791  Nicotiana glauca T. S. Ross, Walter Appleby 1993-5-19 7179 Los Angeles Transverse Ranges; San Gabriel Mts region; Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. Comment
  RSA0055783  Nicotiana glauca R. G. Swinney 2010-4-28 12430 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
  RSA0057922  Nicotiana glauca Richard G. Swinney 2010-4-15 12219 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0062514  Nicotiana glauca R. G. Swinney 2010-4-20 12312 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0069281  Nicotiana glauca R. G. Swinney 2010-6-8 13207 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0080652  Nicotiana glauca R. G. Swinney 2010-5-29 13012 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA0087242  Nicotiana glauca R. G. Swinney 2010-5-4 12533 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  RSA590515  Nicotiana glauca Tim S. Ross, W. Appleby 1993-5-19 7179 Los Angeles Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. 768 Comment
  UC1871018  Nicotiana glauca T. S. Ross, W. Appleby 1993-5-19 7179 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle; San Fernando 7.5' USGS quad; R15W T3N NE/4 NW/4 SW/4 sect 15; elevation ca. 2520 ft. 768 Comment
  UCR256150  Nicotiana glauca R. G. Swinney 2010-4-20 12312 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR256475  Nicotiana glauca R. G. Swinney 2010-6-8 13207 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
  UCR258560  Nicotiana glauca R. G. Swinney 2010-5-29 13012 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCR259131  Nicotiana glauca R. G. Swinney 2010-5-4 12533 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
  UCR259627  Nicotiana glauca R. G. Swinney 2010-4-15 12219 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR259952  Nicotiana glauca R. G. Swinney 2010-4-28 12430 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
  CLARK-A1528-3567  Notholaena californica John C. Roos 1946-11-23 3160 Los Angeles Newhall Comment
  RSA40561  Notholaena californica subsp. leucophylla J. C. Roos 1946-11-23 3160 Los Angeles Placerita canyon, east of Newhall Comment
  RSA0086993  Oenothera elata subsp. hirsutissima R. G. Swinney 2010-4-21 12321 Los Angeles Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash. 457 Comment
  SEINET13383988 Image available Oenothera elata subsp. hirsutissima R. G. Swinney 2010-1 12321 Los Angeles San Gabriel Mountains: Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  UCR260029  Oenothera elata subsp. hirsutissima R. G. Swinney 2010-4-21 12321 Los Angeles San Gabriel Mountains, Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  RSA0115449  Opuntia basilaris R. G. Swinney 2010-10-5 13977 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, west of Oak of the Golden Dreams, at west boundary of park. 451 Comment
  UCR277108  Opuntia basilaris R. G. Swinney 2010-10-5 13977 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, west of 'Oak of the Golden Dreams', at west boundary of park 451 Comment
  RSA0055999  Orobanche fasciculata Richard G. Swinney 2010-5-25 12984 Los Angeles San Gabriel Mountains: just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0103471  Orobanche fasciculata R. G. Swinney 2011-5-10 14650 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  RSA0106840  Orobanche fasciculata Richard G. Swinney 2011-5-10 14636 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
  SBBG118592  Orobanche fasciculata J. Henrickson 2000-4-15 20697 Los Angeles ca. 2 mi SE of Newhall in upper Whitney Cyn, SE of jct of San Fernando Rd and St Hwy 14, along Whitney Cyn Rd S of Whitney Cyn; near T3N, R15W, S 8 640 Comment
  UCR258810  Orobanche fasciculata R. G. Swinney 2010-5-25 12984 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR273303  Orobanche fasciculata R. G. Swinney 2011-5-10 14650 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  CHSC1165  Orobanche parishii subsp. parishii E. Thomas 1940-5-12 Los Angeles San Fernando foothills. Comment
  UCD162752  Orobanche uniflora Robert Walsh 2015-4-22 1 Los Angeles East of City of Santa Clarita, Placerita Canyon State Park. From Walker Ranch trailhead on Placerita Canyon Road, south to Waterfall Trail; then south on Waterfall Trail 430 m to collection point mid-trail. 581 Comment
  UCD162771  Orobanche uniflora Robert Walsh 2015-4-22 1 Los Angeles East of City of Santa Clarita, Placerita Canyon State Park. From Walker Ranch trailhead on Placerita Canyon Road, south to Waterfall Trail; then south on Waterfall Trail 430 m to collection point mid-trail. 581 Comment
  RSA0062525  Osmorhiza brachypoda R. G. Swinney 2010-6-4 13050 Los Angeles Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 473 Comment
  RSA0106748  Osmorhiza brachypoda R. G. Swinney 2011-5-3 14577 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA561585  Osmorhiza brachypoda Steve Boyd, Orlando Mistretta 1993-6-10 8184 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. North of Santa Clara road (3N17.9)., At head of eastern branch of Los Pinetos Canyon, east of Los Pinetos Spring, 853 Comment
  SD253358  Osmorhiza brachypoda R. G. Swinney 2011-5-3 14577 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Pllacerita Canyon Rd., Ecology Trail east of the Nature Center. 487 Comment
  UCR256157  Osmorhiza brachypoda R. G. Swinney 2010-6-4 13050 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 512 Comment
  UCR271480  Osmorhiza brachypoda R. G. Swinney 2011-5-3 14577 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  RSA0081299  Oxalis pes-caprae R. G. Swinney 2010-4-30 12474 Los Angeles Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon. 482 Comment
  UCR271911  Oxalis pes-caprae R. G. Swinney 2010-4-30 12474 Los Angeles San Gabriel Mts., Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon 482 Comment
  RSA0053890  Paeonia californica R. G. Swinney 2010-4-13 12203 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA0089143  Paeonia californica R. G. Swinney 2010-4-28 12398 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
  RSA615509  Paeonia californica Louis C. Wheeler 1967-5-18 9609 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  RSA725246  Paeonia californica K. Dobry 1991-3-15 431 Los Angeles San Gabriel Mts at Elsmre Cyn. Comment
  UCR108654  Paeonia californica L. C. Wheeler 1967-5-18 9609 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR259679  Paeonia californica R. G. Swinney 2010-4-13 12203 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR271817  Paeonia californica R. G. Swinney 2010-4-28 12398 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
  UCR95467  Parietaria hespera var. hespera L. C. Wheeler 1967-4-30 9227 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  UCR95468  Pectocarya anisocarpa L. C. Wheeler 1967-4-30 9249 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  RSA724746  Pectocarya linearis subsp. ferocula K. Dobry 1991-3-15 424 Los Angeles San Gabriel Mts at Elsmre Cyn Comment
  RSA0055774  Pectocarya penicillata R. G. Swinney 2010-4-28 12394 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
  RSA592884  Pectocarya penicillata L. C. Wheeler 1967-4-30 9248 Los Angeles Limekiln Canyon 548 Comment
  UCR259770  Pectocarya penicillata R. G. Swinney 2010-4-28 12394 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
  RSA0060872  Pellaea andromedifolia R. G. Swinney 2010-6-8 13199 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0088109  Pellaea andromedifolia R. G. Swinney 2010-4-30 12455 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  RSA0091113  Pellaea andromedifolia R. G. Swinney 2010-4-13 12194 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  SBBG16839  Pellaea andromedifolia K. A. Wilson, D. E. Bianchi 1961-2-2 822 Los Angeles Placerita Rd; small gully 2 mi E of Hwy 6 Comment
  SEINET13297605 Image available Pellaea andromedifolia R. G. Swinney 2010-1 12194 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon (San Fernando 7.5' Q.) (T3N R14W S30) 561 Comment
  SFV70  Pellaea andromedifolia K. A. Wilson, D. E. Bianchi 1961-2-2 822 Los Angeles San Gabriel Mountains Placerita Canyon, Placerita Road. Small, shaded gully 2 miles east of Route 6. 490 Comment
  UCR139127  Pellaea andromedifolia L. C. Wheeler 1967-5-18 9625 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR256466  Pellaea andromedifolia R. G. Swinney 2010-6-8 13199 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
  UCR260408  Pellaea andromedifolia R. G. Swinney 2010-4-30 12455 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  UCR270541  Pellaea andromedifolia R. G. Swinney 2010-4-13 12194 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA618681  Pellaea andromedifolia var. andromedifolia L. C. Wheeler 1967-5-18 9625 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  SEINET3873277  Pellaea mucronata var. mucronata K. Dobry 1991-4-22 441 Los Angeles West San Gabriel Mts. at Elsmere Cyn.; 0 Comment
  RSA0069842  Pennisetum setaceum R. G. Swinney 2010-5-4 12488 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
  UCR255770  Pennisetum setaceum R. G. Swinney 2010-5-4 12488 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
  RSA0086832  Penstemon centranthifolius R. G. Swinney 2011-5-3 14555 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA562575  Penstemon centranthifolius Steve D. Boyd, W. Appleby 1993-4-22 7995 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  RSA724651  Penstemon centranthifolius K. Dobry 1991-5-13 493 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  RSA724660  Penstemon centranthifolius K. Dobry 1991-5-13 548 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  RSA724669  Penstemon centranthifolius K. Dobry 1991-5-13 549 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  SEINET13297599 Image available Penstemon centranthifolius R. G. Swinney 2011-1 14555 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center (Mint Canyon 7.5' Q.) 488 Comment
  UCR271491  Penstemon centranthifolius R. G. Swinney 2011-5-3 14555 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  RSA563498  Penstemon grinnellii subsp. grinnellii Tim S. Ross, W. Appleby 1993-5-13 7111 Los Angeles Western San Gabriel Mts.: May Canyon Saddle at the northwest base of May Peak. 1116 Comment
  OBI30458  Penstemon heterophyllus J. C. Roos 1947-5-17 3632 Los Angeles Placerita Cyn Comment
  RSA0115313  Penstemon heterophyllus R. G. Swinney 2010-5-25 12918 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR277034  Penstemon heterophyllus R. G. Swinney 2010-5-25 12918 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA226345B  Penstemon heterophyllus var. australis Robert F. Thorne, C. W. Tilforth 1971-6-17 39917 Los Angeles 1.4 mile along Placerita Canyon Road beyond Sand Road Junction, W end of San Gabriel Mountains 610 Comment
  RSA724650  Penstemon spectabilis var. subviscosus K. Dobry 1991-5-2 568 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  SFV75  Pentagramma triangularis K. A. Wilson, D. E. Bianchi 1961-2-2 821 Los Angeles San Gabriel Mountains Placerita Canyon, Placerita Road. Small, shaded gully 2 miles east of Route 6. 490 Comment
  UCR256177  Pentagramma triangularis R. G. Swinney 2010-6-4 13059 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
  POM308326  Petalonyx thurberi Henry J. Ramsey, Henry J. Ramsey 1937-8-7 3057 Los Angeles Sand Canyon, San Gabriel Mountains Comment
  CAS-BOT-BC523907  Phacelia R. G. Swinney 2010-6-21 13279 Los Angeles San Gabriel Mountains: Angeles National Forest within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 mi N of Santa Clara Truck Trail via trail W of spring 902 Comment
  CAS-BOT-BC534059  Phacelia R. G. Swinney 2010-4-30 12448 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, c. 0.7 mi E of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn 537 Comment
  RSA0085338  Phacelia R. G. Swinney 2010-6-21 13279 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  UCR260360  Phacelia R. G. Swinney 2010-4-30 12448 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  UCR260397  Phacelia R. G. Swinney 2010-6-21 13279 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  RSA0047907  Phacelia brachyloba R. G. Swinney 2010-6-4 13061 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA0065210  Phacelia brachyloba R. G. Swinney 2010-5-29 13401 Los Angeles Junction of W. Fork May Canyon with May Canyon Truck Trail, Forest Service Road 3N54. 793 Comment
  UCR252896  Phacelia brachyloba R. G. Swinney 2010-5-29 13401 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR256175  Phacelia brachyloba R. G. Swinney 2010-6-4 13061 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
  SFV16028  Phacelia cicutaria P. W. Byrne, H. Levin 1994-4-10 13 Los Angeles San Gabriel Mountains Live Oak Campground, along Bear Canyon. 600 Comment
  RSA0037418  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-29 13418 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0062564  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-20 12310 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0070277  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-20 12289 Los Angeles Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0077091  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-15 12230 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0080976  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-28 12415 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
  RSA0081781  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-25 12956 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0092242  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-25 12956 Los Angeles San Gabriel Mountains: just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0115256  Phacelia cicutaria var. hispida Richard G. Swinney 2010-5-25 12943 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA618682  Phacelia cicutaria var. hispida Louis C. Wheeler 1967-5-18 9632 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA658859  Phacelia cicutaria var. hispida J. C. Roos 1947-5-17 3627 Los Angeles Placerita Canyon east of Newhall. Comment
  UCR252727  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-29 13418 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR255797  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-4 12502 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
  UCR256148  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-20 12310 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR258558  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-29 13018 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCR259363  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-20 12289 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR259546  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-15 12230 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  UCR259618  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-25 12956 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR271886  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-28 12415 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
  UCR277029  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-25 12943 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA0062528  Phacelia distans R. G. Swinney 2010-6-4 13052 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA0085028  Phacelia distans R. G. Swinney 2010-4-30 12448 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  RSA618680  Phacelia distans Louis C. Wheeler 1967-5-18 9624 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA785821  Phacelia distans K. Dobry 1991-4-4 405 Los Angeles Elsmere Cyn. West San Gabriel Mts. Comment
  RSA786324  Phacelia distans K. Dobry 1991-5-13 530 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UC1871033  Phacelia distans T. S. Ross 1993-5-19 7165 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road; San Fernando 7.5' USGS quad; R15W T3N, NW/4 SE/4 NE/4 SE/4 sect 9; ca 3120 ft elevation. 951 Comment
  UCR138695  Phacelia distans L. C. Wheeler 1967-5-18 9624 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR256155  Phacelia distans R. G. Swinney 2010-6-4 13052 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
  RSA0115454  Phacelia imbricata R. G. Swinney 2010-5-25 12907 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR256220  Phacelia imbricata R. G. Swinney 2010-6-4 13037 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
  UCR259144  Phacelia imbricata R. G. Swinney 2010-6-4 12992 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
  UCR277026  Phacelia imbricata R. G. Swinney 2010-5-25 12907 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA561824  Phacelia imbricata subsp. imbricata Steve Boyd 1993-6-3 8179 Los Angeles north of Sylmar and south of Santa Clarita. North of Santa Clara Rd (3N17.9) at head of eastern-most canyons 914 Comment
  RSA584594  Phacelia imbricata subsp. imbricata Tim S. Ross 1993-5-26 7315 Los Angeles W end of San Gabriel Mountains, Santa Clara Road (USFS) between Wilson Canyon Saddle on May Canyon Saddle; N slope of the 3834-foot peak NW of May Canyon Saddle. 1097 Comment
  RSA584595  Phacelia imbricata subsp. imbricata Tim S. Ross 1993-5-26 7315 Los Angeles W end of San Gabriel Mountains, Santa Clara Road (USFS) between Wilson Canyon Saddle on May Canyon Saddle; N slope of the 3834-foot peak NW of May Canyon Saddle. 1097 Comment
  RSA601174  Phacelia imbricata subsp. imbricata Louis C. Wheeler 1967-6-26 9897 a Los Angeles San Gabriel Mountains : Elsmere Canyon, south central. At the forks of the canyon, just north of the section line. 488 Comment
  UCR79367  Phacelia imbricata subsp. imbricata Steve Boyd, Orlando Mistretta 1993-6-3 8179 Los Angeles San Gabriel Mtns., N of Sylmar and south of Santa Clarita, within Tujunga Ranger District of the Angeles National Forest, north of Santa Clara Road (3N17.9), at head of eastern most canyons, 1/4 mi NE of May Canyon Saddle 1155 Comment
  JEPS2128  Phacelia longipes Frank W. Peirson 1919-4-19 381 Los Angeles Pacoima Canyon San Gabriel Mountains 487 Comment
  RSA507997  Phacelia longipes Steve Boyd 1988-4-28 2252 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA75932  Phacelia longipes F. W. Peirson 1919-4-19 381 Los Angeles Pacoima Canyon 488 Comment
  UCR61099  Phacelia longipes Steve Boyd, T. S. Ross 1988-4-28 2252 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  CAS-BOT-BC482461  Phacelia minor R. G. Swinney 2010-4-20 12287 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2--0.4 mi N of Gavina Ave., near E end of Wallabi Ave. 433 Comment
  RSA0069843  Phacelia minor R. G. Swinney 2010-5-4 12487 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
  RSA0070276  Phacelia minor R. G. Swinney 2010-4-20 12287 Los Angeles Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0080974  Phacelia minor R. G. Swinney 2010-4-28 12402 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
  RSA0085403  Phacelia minor R. G. Swinney 2010-4-23 12353 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0091123  Phacelia minor R. G. Swinney 2010-4-13 12193 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  SD253474  Phacelia minor R. G. Swinney 2010-4-13 12193 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon (San Fernando 7.5'Q) 561 Comment
  SFV15556  Phacelia minor R. K. Stachelek 1992-4-14 22 Los Angeles San Gabriel Mountains Sylmar. Stetson Ranch Park. Dry streambed on left side of main dirt road. 490 Comment
  UCR255771  Phacelia minor R. G. Swinney 2010-5-4 12487 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
  UCR258910  Phacelia minor R. G. Swinney 2010-4-23 12353 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR259361  Phacelia minor R. G. Swinney 2010-4-20 12287 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR270530  Phacelia minor R. G. Swinney 2010-4-13 12193 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR271822  Phacelia minor R. G. Swinney 2010-4-28 12402 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
  RSA0062627  Phacelia ramosissima R. G. Swinney 2010-6-8 13189 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA0080654  Phacelia ramosissima R. G. Swinney 2010-5-29 13016 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  UCR256462  Phacelia ramosissima R. G. Swinney 2010-6-8 13189 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
  UCR258567  Phacelia ramosissima R. G. Swinney 2010-5-29 13016 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  RSA601127  Phacelia ramosissima var. latifolia Louis C. Wheeler 1967-6-26 9895 Los Angeles San Gabriel Mountains : Elsmere Canyon, south central. At the forks of the canyon, just north of the section line. 488 Comment
  RSA562556  Phalaris aquatica Steve Boyd, Orlando Mistretta 1993-5-11 8124 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of Forest on ridge dividing Whitney Canyon and Placerita Canyon 488 Comment
  RSA578139  Phalaris aquatica Timothy S. Ross 1993-5-19 7170 Los Angeles Western San Gabriel Mountains: ca 120 meters ESE of Wilson Canyon Saddle along old Forest Service loop road. 960 Comment
  RSA609588  Phleum pratense L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Head of Los Pinetos Canyon. 1097 Comment
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Feb 19 2015
  UCR108341  Phleum pratense L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mtns., Head of Los Pinetos Canyon 1098 Comment
  CAS-BOT-BC251007  Piptatherum miliaceum Tim Ross; Orlando Mistretta 1993-5-27 7343 Los Angeles W end of the San Gabriel Mtns: Wilson Canyon, along the riparian strip 621 Comment
  RSA0037422  Piptatherum miliaceum R. G. Swinney 2010-5-29 13415 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0116482  Piptatherum miliaceum R. G. Swinney 2010-5-25 12947 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA584599  Piptatherum miliaceum Timothy S. Ross 1993-5-27 7343 Los Angeles W end of the San Gabriel Mountains: Wilson Canyon, along the riparian strip. 588 Comment
  RSA609589  Piptatherum miliaceum L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Head of Los Pinetos Canyon. 1097 Comment
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Feb 19 2015
  UCR252786  Piptatherum miliaceum R. G. Swinney 2010-5-29 13415 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  RSA0073605  Plagiobothrys canescens R. G. Swinney 2010-4-23 12338 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  UCR258930  Plagiobothrys canescens R. G. Swinney 2010-4-23 12338 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR273555  Plagiobothrys canescens R. G. Swinney 2011-5-10 14658 Los Angeles San Gabriel Mountains, Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch 573 Comment
  RSA724742  Plagiobothrys nothofulvus K. Dobry 1991-3-15 d- 413 Los Angeles San Gabriel Mts. Upper Elsmere Cyn Comment
  RSA0088005  Plantago lanceolata R. G. Swinney 2010-6-21 13281 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  RSA0115311  Plantago lanceolata R. G. Swinney 2010-5-25 12905 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR260395  Plantago lanceolata R. G. Swinney 2010-6-21 13281 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UCR277132  Plantago lanceolata R. G. Swinney 2010-5-25 12905 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA0053867  Platanus racemosa R. G. Swinney 2010-4-20 12297 Los Angeles San Gabriel Mountains; Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0116340  Platanus racemosa R. G. Swinney 2010-10-5 13969 Los Angeles San Gabriel Mountains; Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  SEINET8043948 Image available Platanus racemosa R. G. Swinney 2010-1 12297 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near end of Wallabi Ave. 433 Comment
  UCR259972  Platanus racemosa R. G. Swinney 2010-4-20 12297 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR277233  Platanus racemosa R. G. Swinney 2010-10-5 13969 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  RSA0086545  Plectritis ciliosa R. G. Swinney 2011-5-3 14558 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  UCR271469  Plectritis ciliosa R. G. Swinney 2011-5-3 14558 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  RSA0091131  Poa secunda R. G. Swinney 2010-4-13 12198 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA592894  Poa secunda L. C. Wheeler 1967-4-30 9224 Los Angeles San Gabriel Mountains. Limekiln Canyon. 549 Comment
  SEINET13297604 Image available Poa secunda R. G. Swinney 2010-1 12198 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon (San Fernando 7.5' Q.) (T3N R14W S30) 561 Comment
  UCR270515  Poa secunda R. G. Swinney 2010-4-13 12198 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA0087232  Polycarpon tetraphyllum R. G. Swinney 2010-4-23 12354 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0116174  Polycarpon tetraphyllum R. G. Swinney 2010-5-29 13245 Los Angeles San Gabriel Mountains; May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54. 610 Comment
  UCR258909  Polycarpon tetraphyllum R. G. Swinney 2010-4-23 12354 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR259384  Polycarpon tetraphyllum R. G. Swinney 2010-4-20 12281 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR277148  Polycarpon tetraphyllum R. G. Swinney 2010-5-29 13245 Los Angeles San Gabriel Mountains, May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54 854 Comment
  RSA0116759  Polygonum aviculare R. G. Swinney 2010-10-5 13972 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, west of Oak of the Golden Dreams, at west boundary of park. 451 Comment
  UCR277181  Polygonum aviculare R. G. Swinney 2010-10-5 13972 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, west of 'Oak of the Golden Dreams', at west boundary of park 451 Comment
  RSA0080075  Polypodium californicum R. G. Swinney 2010-6-4 13048 Los Angeles Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 473 Comment
  RSA616135  Polypodium californicum L. C. Wheeler 1967-5-18 9629 Los Angeles Placerita Canyon 518 Comment
  RSA724617  Polypodium californicum K. Dobry 1991-4-22 439 Los Angeles San Gabriel Mts. at Elsmere Cyn Comment
  SBBG17038  Polypodium californicum K. A. Wilson, D. E. Bianchi 1961-2-2 818 Los Angeles Placerita Rd; small gully 2 mi E of Hwy 6 Comment
  SFV161  Polypodium californicum K. A. Wilson, D. E. Bianchi 1961-2-2 818 Los Angeles San Gabriel Mountains Placerita Canyon, Placerita Road. Small, shaded gully 2 miles east of Route 6. 490 Comment
  UCD136922  Polypodium californicum Kenneth A. Wilson; D. E. Bianchi 1961-2-2 818 Los Angeles San Gabriel Mountains. Placerita Road. 2 miles east of Route 6. Comment
  UCR256226  Polypodium californicum R. G. Swinney 2010-6-4 13048 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, Botany Trail Loop, from Nature Center to the NE in a ravine and along ridgetop to its south, parallel and to the south of Placerita Canyon Rd. 512 Comment
  RSA0115259  Polypogon monspeliensis Richard G. Swinney 2010-5-25 12940 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR277215  Polypogon monspeliensis R. G. Swinney 2010-5-25 12940 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA0082592  Polypogon semiverticillatus R. G. Swinney 2010-6-4 13004 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  UCR259236  Polypogon semiverticillatus R. G. Swinney 2010-6-4 13004 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
  UCR259245  Populus nigra R. G. Swinney 2010-6-4 13002 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
  RSA0086539  Potentilla glandulosa R. G. Swinney 2011-5-3 14569 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  UCR271474  Potentilla glandulosa R. G. Swinney 2011-5-3 14569 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  CAS-BOT-BC154936  Prunus ilicifolia Tim Ross; Orlando Mistretta 1993-5-27 7331 Los Angeles W end of the San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 624 Comment
  RSA0115275  Prunus ilicifolia Richard G. Swinney 2010-5-25 12911 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCD113466  Prunus ilicifolia Elise Jackson 1993-5-2 31 Los Angeles Newhall, Placerita Canyon Nature Center, approx. 50 feet from beginning of Ecology Trail. 487 Comment
  UCR277023  Prunus ilicifolia R. G. Swinney 2010-5-25 12911 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA584218  Prunus ilicifolia subsp. ilicifolia Tim S. Ross, Orlando Mistretta 1993-5-27 7331 Los Angeles W end of San Gabriel Mountains: Ridge dropping westward from Loop Canyon Road (at 3060 ft.) toward Wilson Canyon. 625 Comment
  SBBG118479  Pseudognaphalium beneolens O. Mistretta 1992-7-13 699 Los Angeles Los Pinetos Spring Cyn Trail Comment
  RSA0058226  Pseudognaphalium biolettii Richard G. Swinney 2010-4-23 12352 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  UCR258911  Pseudognaphalium biolettii R. G. Swinney 2010-4-23 12352 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA0037423  Pseudognaphalium californicum R. G. Swinney 2010-5-29 13417 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0069845  Pseudognaphalium californicum R. G. Swinney 2010-4-20 12309 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  RSA0087061  Pseudognaphalium californicum R. G. Swinney 2010-5-4 12509 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  RSA0087237  Pseudognaphalium californicum R. G. Swinney 2010-4-28 12380 Los Angeles 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
  RSA0088251  Pseudognaphalium californicum R. G. Swinney 2010-5-25 12963 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0091122  Pseudognaphalium californicum R. G. Swinney 2010-4-13 12190 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
  SD253395  Pseudognaphalium californicum R. G. Swinney 2010-4-13 12190 Los Angeles San Gabriel Mts.: 0.35 miles north of Limekiln Canyon, bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles E of Pacoima Canyon stream bottom (San Fernando 7.5'Q) 609 Comment
  UC1871019  Pseudognaphalium californicum T. S. Ross, Walter Appleby 1993-5-13 7124 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon; San Fernando 7.5' USGS quad; R15W T3N, E/4 NW/4 sect 10; between 2800-3220 feet elevation. Comment
  UCR252743  Pseudognaphalium californicum R. G. Swinney 2010-5-29 13417 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR256147  Pseudognaphalium californicum R. G. Swinney 2010-4-20 12309 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR258787  Pseudognaphalium californicum R. G. Swinney 2010-5-25 12963 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR259185  Pseudognaphalium californicum R. G. Swinney 2010-4-28 12380 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
  UCR259267  Pseudognaphalium californicum R. G. Swinney 2010-5-4 12509 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
  UCR261130  Pseudognaphalium californicum R. G. Swinney 2010-6-21 13293 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  UCR270517  Pseudognaphalium californicum R. G. Swinney 2010-4-13 12190 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  UCR273754  Pseudognaphalium californicum R. G. Swinney 2011-5-10 14634 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA0088148  Pseudognaphalium canescens R. G. Swinney 2010-5-4 12516 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  UCR259273  Pseudognaphalium canescens R. G. Swinney 2010-5-4 12516 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
  RSA0058249  Pseudognaphalium canescens subsp. microcephalum Richard G. Swinney 2010-4-20 12277 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR258928  Pseudognaphalium canescens subsp. microcephalum R. G. Swinney 2010-4-20 12277 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  CAS-BOT-BC357291  Pseudognaphalium microcephalum Tim Ross; Orlando Mistretta 1993-5-27 7323 Los Angeles W end of the San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 841 Comment
  RSA0115265  Pseudognaphalium stramineum Richard G. Swinney 2010-6-8 13229 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  UCR277043  Pseudognaphalium stramineum R. G. Swinney 2010-6-8 13229 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  RSA724540  Pseudotsuga macrocarpa K. Dobry 1991-4-22 464 Los Angeles West San Gabriel Mts. along Sand Cyn to Whitney Cyn Comment
  SEINET3875012  Pseudotsuga macrocarpa K. Dorby 1976-4-24 59 Los Angeles Placerita Canyon. San Gabriel Mountians.; 0 732 Comment
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May 21 2015
  RSA512058  Psilocarphus tenellus var. tenellus L. C. Wheeler 1967-5-18 9658 Los Angeles San Gabriel Mountains, Angeles National Forest: Placerita Canyon. 594 Comment
  RSA561598  Pteridium aquilinum var. pubescens Steve Boyd, Walter Appleby 1993-5-24 8167 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within Tujunga Ranger District of Angeles National Forest. Seepages along upper end of Wilson Canyon Road, south of Wilson Canyon Saddle and east of the communications facilities. 945 Comment
  SFV6722  Pteridium aquilinum var. pubescens R. Johnson Oct 1974 s. n. Los Angeles San Gabriel Mountains Wilson Canyon. 671 Comment
  RSA0039642  Pterostegia drymarioides R. G. Swinney 2010-5-29 13412 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0055770  Pterostegia drymarioides R. G. Swinney 2010-4-28 12387 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
  RSA0080737  Pterostegia drymarioides R. G. Swinney 2010-4-23 12366 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0087034  Pterostegia drymarioides R. G. Swinney 2010-4-13 12214 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA0110790  Pterostegia drymarioides Richard G. Swinney 2010-6-8 13237 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream. 598 Comment
  RSA0116484  Pterostegia drymarioides R. G. Swinney 2010-5-25 12949 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA617379  Pterostegia drymarioides Laura Moore, Richard K. Brummitt, S. D. Boyd 1998-5-26 1 Los Angeles San Gabriel Mountains: north base of the range, just to the south of Hwy 14 at Golden Valley Road, Placerita Canyon watershed. 549 Comment
  UCR252733  Pterostegia drymarioides R. G. Swinney 2010-5-29 13412 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR258578  Pterostegia drymarioides R. G. Swinney 2010-4-23 12366 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR258801  Pterostegia drymarioides R. G. Swinney 2010-5-25 12957 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR259749  Pterostegia drymarioides R. G. Swinney 2010-4-28 12387 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
  UCR259939  Pterostegia drymarioides R. G. Swinney 2010-4-13 12214 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  UCR273378  Pterostegia drymarioides R. G. Swinney 2011-5-10 14645 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  UCR276967  Pterostegia drymarioides R. G. Swinney 2010-6-8 13237 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream 671 Comment
  UCR277208  Pterostegia drymarioides R. G. Swinney 2010-5-25 12949 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA0115451  Quercus agrifolia R. G. Swinney 2010-10-5 13975 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, west of Oak of the Golden Dreams, at west boundary of park. 451 Comment
  SFV18427  Quercus agrifolia C. Ferguson 1972-3-9 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area. Comment
  UCR277236  Quercus agrifolia R. G. Swinney 2010-10-5 13975 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, west of 'Oak of the Golden Dreams', at west boundary of park 451 Comment
  RSA0035995  Quercus berberidifolia R. G. Swinney 2010-6-21 13259 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA507981  Quercus berberidifolia Steve Boyd, T. S. Ross 1988-4-28 2236 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  UCR252566  Quercus berberidifolia R. G. Swinney 2010-6-21 13259 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  RSA507982  Quercus chrysolepis Steve Boyd 1988-4-28 2239 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  UCR121671  Quercus chrysolepis Steve Boyd, T. S. Ross 1988-4-28 2239 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  RSA476766  Quercus durata var. gabrielensis L. E. Hoffman 1929-6-23 s.n. Los Angeles head of Pacoima Canyon wash Comment
  RSA87167  Quercus durata var. gabrielensis F. W. Peirson 1919-4-19 5341 Los Angeles Pacoima Canyon, west end of San Gabriel Mountains 534 Comment
  UCR273377  Quercus durata var. gabrielensis R. G. Swinney 2011-5-10 14643 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA0047903  Quercus john-tuckeri R. G. Swinney 2010-6-4 13065 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UCR256189  Quercus john-tuckeri R. G. Swinney 2010-6-4 13065 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
  CLARK-A1528-1146  Quercus lobata John C. Roos 1946-11-23 3157 Los Angeles Placerita Canyon 365 Comment
  RSA0035996  Quercus wislizeni var. frutescens R. G. Swinney 2010-6-21 13260 Los Angeles