34.32861 34.42861 -118.50833 -118.40833 UC/JEPS: Consortium Search Results
Search Results — 2349 specimen records retrieved (2349 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  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
  RSA724648  Acer macrophyllum K. Dobry 1991-5-2 583 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  RSA724649  Acer macrophyllum K. Dobry 1991-5-2 582 Los Angeles West San Gabriel Mts at Elsmere Cyn 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
  SEINET4345054 Image available Achnatherum coronatum A. C. Sanders, Helen Kennedy 2005-1 29446 Los Angeles Western San Gabriel/Liebre Mountains; Santa Clarita area, lower Mint Canyon at community of Mint Cayon 457 Comment
  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
  CAS-BOT-BC154058  Adenostoma fasciculatum A. C. Sanders; Helen Kennedy 2005-4-13 29430 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA0060511  Adenostoma fasciculatum R. G. Swinney 2010-3-10 11821 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 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
  UCR152893  Adenostoma fasciculatum A. C. Sanders, Helen Kennedy 2005-4-13 29430 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR255792  Adenostoma fasciculatum R. G. Swinney 2010-3-10 11821 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  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
  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
  RSA390563  Adenostoma fasciculatum var. fasciculatum Bonnie C. Templeton 1960-5-14 8446 Los Angeles Mint Canyon near Solemint. Comment
Read comments
Jul 14 2011
  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
  RSA724444  Adenostoma fasciculatum var. fasciculatum K. Dobry 1991-5-13 504 Los Angeles West San Gabriel Mts at Elsmere Cyn. 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
Read comments
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
  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
  UCR259041  Agave americana R. G. Swinney 2010-3-14 11902 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 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
  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
  RSA601569  Agrostis pallens L. C. Wheeler 1967-6-15 9813 Los Angeles San Gabriel Mountains: South side Fremont Pass. Land Grant 549 Comment
  RSA0069848  Allium haematochiton R. G. Swinney 2010-3-10 11825 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  RSA724647  Allium haematochiton K. Dobry 1991-5-2 562 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  SEINET13203125 Image available Allium haematochiton R. G. Swinney 2010-1 11825 Los Angeles San Gabriel Mountains: Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. (Oat Mt. 7.5' Q.) 442 Comment
  SEINET3884725  Allium haematochiton K. Dobry 1991-5-13 512 Los Angeles West San Gabriel Mountains at Elsmere Canyon.; 0 Comment
  UCR255788  Allium haematochiton R. G. Swinney 2010-3-10 11825 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  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
  RSA626980  Allophyllum divaricatum L. C. Wheeler 1967-5-15 9579 Los Angeles South side Elsmere Canyon near the mouth. 518 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
  RSA639184  Allophyllum glutinosum L. C. Wheeler 1967-5-15 9559 Los Angeles San Gabriel Mountains: Ridge east of Fremont Pass. 571 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
  JEPS40942  Ambrosia acanthicarpa W. L. Jepson 1941-10-28 20644 Los Angeles 4 mi nw, near the Newhall Tunnel of the S. P. Ry. San Fernando; Fremont Pass [San Fernando Pass] 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
  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
  RSA507545  Amorpha californica var. californica L. C. Wheeler 1967-6-26 9888 Los Angeles Elsmere Canyon. 457 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
  RSA601122  Amorpha californica var. californica L. C. Wheeler 1967-6-26 9888 Los Angeles Elsmere Canyon. 441 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
  RSA0079987  Amsinckia intermedia A. C. Sanders, Helen Kennedy 2005-4-13 29441 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  RSA0088261  Amsinckia intermedia R. G. Swinney 2010-3-14 11896 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 Comment
  RSA638942  Amsinckia intermedia L. C. Wheeler 1967-5-15 9562 Los Angeles East of Fremont Pass 579 Comment
  RSA724778  Amsinckia intermedia K. Dobry 1991-3-15 411 Los Angeles San Gabriel Mts at Elsmre Cyn Comment
  SD185164  Amsinckia intermedia A. C. Sanders, Helen Kennedy 2005-4-13 29441 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 456 Comment
  SEINET1004486  Amsinckia intermedia A. C. Sanders, Helen Kennedy 2005-1 29441 Los Angeles Western San Gabriel/ Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 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
  UCR152883  Amsinckia intermedia A. C. Sanders, Helen Kennedy 2005-4-13 29441 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR259271  Amsinckia intermedia R. G. Swinney 2010-3-14 11896 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  HSC17840  Anagallis arvensis C. S. Apperson 21 Jun [year missing] Los Angeles Newhall Ranger Station Comment
  RSA507542  Anthemis cotula L. C. Wheeler 1967-6-26 9910 Los Angeles Elsmere Canyon. 457 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
  UCR155665  Antirrhinum coulterianum A. C. Sanders, Helen Kennedy 2005-4-13 29460 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  UCR27414  Antirrhinum multiflorum John C. Roos 1947-5-17 3636 Los Angeles Placerita Canyon, east of Newhall 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
  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
  SBBG118676  Arctostaphylos glandulosa subsp. glandulosa L. C. Wheeler 1967-5-15 9553 Los Angeles N side of Fremont Pass 541 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
  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
  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
  RSA630373  Arctostaphylos glauca L. C. Wheeler 1967-5-15 9587 Los Angeles San Gabriel Mountains: Elsmere Canyon, near mouth. 533 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
  SFV18423  Artemisia californica C. Ferguson s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Ecology Trail. Dry, south facing slopes. 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
  SBBG62478  Artemisia tridentata subsp. parishii L. R. Abrams 1916-10-31 6363 Los Angeles Fremont's Pass, near Newhall Comment
  RSA0091822  Arundo donax Bonnie C. Templeton 1967-7-23 10180 Los Angeles Whitney Canyon. Comment
  RSA0091823  Arundo donax Bonnie C. Templeton 1967-7-23 10180 Los Angeles Whitney Canyon. 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
  RSA0068233  Astragalus trichopodus var. phoxus R. G. Swinney 2010-3-10 11836 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 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
  RSA655801  Astragalus trichopodus var. phoxus James Henrickson 2000-4-15 20700 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Highway 14. 488 Comment
  SFV1784  Astragalus trichopodus var. phoxus Cheechako 1961-3-26 s. n. Los Angeles San Gabriel Mountains Roadside of Sierra Highway in Soledad - Mint Canyons junction. Comment
  UCR256261  Astragalus trichopodus var. phoxus R. G. Swinney 2010-3-10 11836 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  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
  RSA65360  Atriplex canescens F. W. Peirson 1921-7-1 1811 Los Angeles Soledad Canyon, north base of San Gabriel Mountains. 442 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
  RSA639186  Avena barbata L. C. Wheeler 1967-5-15 9569 Los Angeles San Gabriel Mountains: Ridgetop ESE of Fremont Pass. 595 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
  SEINET3919637  Avena barbata Louis C. Wheeler 1967-5-15 9569 Los Angeles San Gabriel Mountains: Ridgetop east southeast of Fremont Pass.; 0 594 Comment
  SEINET3919642  Avena barbata Unknown 1961-4-30 33 Los Angeles On hillside along Highway 6, near Newhall.; 0 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
  UCR152449  Avena fatua A. C. Sanders, Helen Kennedy 2005-4-13 29445 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  RSA599028  Baccharis pilularis L. C. Wheeler 1967-11-11 s.n. Los Angeles Santa Susana/San Gabriel Mountains: Newhall Creek, 0.2 mi. east of Fremont Pass 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
  RSA0042044  Baccharis salicifolia R. G. Swinney 2010-3-10 11829 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 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
  SEINET13203150 Image available Baccharis salicifolia R. G. Swinney 2010-1 11829 Los Angeles San Gabriel Mountains: Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. (Oat Mt. 7.5' Q.) 442 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
  SFV3744  Baccharis salicifolia M. L. Vincent 1962-10-4 300 Los Angeles San Gabriel Mountains Lost Canyon Road, 0.25 miles north of Sand Canyon. Beside dry stream bed. 475 Comment
  UCR255841  Baccharis salicifolia R. G. Swinney 2010-3-10 11829 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  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
  JEPS40692  Baccharis salicifolia subsp. salicifolia W. L. Jepson 1941-10-28 20646 Los Angeles Fremont Pass Comment
  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
  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
  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
  RSA0088584  Brassica nigra R. G. Swinney 2010-5-4 12553 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 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
  UCR260328  Brassica nigra R. G. Swinney 2010-5-4 12553 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  CAS-BOT-BC100408  Brickellia californica John Thomas Howell 1950-11-9 27482 Los Angeles 4 mi. south of Newhall on Foothill Blvd. Comment
  UCD129632  Brickellia californica John Thomas Howell 1950-11-9 27482 Los Angeles 4 miles south of Newhall on Foothill Blvd. 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
  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
  RSA713741  Bromus carinatus A. C. Sanders, Helen Kennedy 2005-4-13 29439 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  SD186029  Bromus carinatus A. C. Sanders, Helen Kennedy 2005-4-13 29439 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 456 Comment
  UCR152887  Bromus carinatus A. C. Sanders, Helen Kennedy 2005-4-13 29439 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  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
  RSA715428  Bromus diandrus A. C. Sanders, Helen Kennedy 2005-4-13 29440 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UCR152909  Bromus diandrus A. C. Sanders, Helen Kennedy 2005-4-13 29440 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  UCR260331  Bromus diandrus R. G. Swinney 2010-5-4 12551 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  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
  SEINET7106140  Bromus hordeaceus K. Dobry 1991-5-13 482 Los Angeles West San Gabriel Mts. at Elsmere Canyon.; 0 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
  HSC9312  Bromus madritensis subsp. rubens C. S. Apperson 1967-6-22 Los Angeles Newhall Ranger Station. Comment
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Aug 7 2014
  SD185080  Bromus madritensis subsp. rubens A. C. Sanders, Helen Kennedy 2005-4-13 29464 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 456 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
  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
  UCR165062  Bromus rubens A. C. Sanders, Helen Kennedy 2005-4-13 29464 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  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
  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
  SEINET3923580  Bromus tectorum Louis C. Wheeler 1967-5-15 9552 Los Angeles San GABRIEL MOUNTAINS: Fremont Pass, north side.; 0 541 Comment
  UCR152886  Bromus tectorum A. C. Sanders, Helen Kennedy 2005-4-13 29438 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  UCR192954  Calochortus clavatus Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, knoll on south side of Santa Clara River, 1.5 km west of Sand Canyon Rd., Santa Clarita 475 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
  UCR192815  Calochortus splendens Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, mesa along north side of Santa Clara River, 1 km west of Sand Canyon Rd., Santa Clarita 470 Comment
  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
  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
  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
  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
  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
  SBBG122074  Calystegia peirsonii A. Parikh, N. Gale 2003-4-10 1740 Los Angeles 3 km E of jct of Bouquet Cyn Rd and Newhall Ranch Rd, N bank of Santa Clara River 400 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
  RSA724923  Camissonia K. Dobry 1991-5-13 534 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UCR260341  Camissonia R. G. Swinney 2010-5-4 12538 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  RSA638944  Camissonia bistorta Louis C. Wheeler 1967-5-15 9564 Los Angeles Ridge immediately east of Fremont Pass. 579 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
  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
  CAS-BOT-BC173253  Camissonia californica A. C. Sanders; Helen Kennedy 2005-4-13 29414 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  RSA186773  Camissonia californica Peter H. Raven 1959-4-1 13906 Los Angeles Mint Canyon at road to Acton. 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
  RSA715431  Camissonia californica A. C. Sanders, Helen Kennedy 2005-4-13 29414 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 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
  UCR152657  Camissonia californica A. C. Sanders, Helen Kennedy 2005-4-13 29414 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  CAS-BOT-BC173254  Camissonia hirtella A. C. Sanders; Helen Kennedy 2005-4-13 29409 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  RSA714587  Camissonia hirtella A. C. Sanders, Helen Kennedy 2005-4-13 29409 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UCR152899  Camissonia hirtella A. C. Sanders, Helen Kennedy 2005-4-13 29409 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  SD186266  Camissoniopsis hirtella A. C. Sanders, Helen Kennedy 2005-4-13 29409 Los Angeles Santa Clarita area, lower Mint Canyon at Mint Canyon. 456 Comment
  UCD103466  Camissoniopsis hirtella A. C. Sanders; Helen Kennedy 2005-4-13 29409 Los Angeles Western San Gabriel/Liebre Mountains Region. Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 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
  UCR259043  Capsella bursa-pastoris R. G. Swinney 2010-3-14 11898 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 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
  RSA0087087  Carduus pycnocephalus R. G. Swinney 2010-5-4 12563 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  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
  UCR260344  Carduus pycnocephalus R. G. Swinney 2010-5-4 12563 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  RSA638950  Castilleja foliolosa Louis C. Wheeler 1967-5-15 9560 Los Angeles San Gabriel Mountains: Ridge east of Fremont Pass. 572 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-BC48750  Ceanothus crassifolius Paul F. Covel 1937-4-22 860 Los Angeles Newhall Grade 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
  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
  RSA0068239  Ceanothus crassifolius R. G. Swinney 2010-3-10 11842 Los Angeles FS Road 3N59 (Santa Clara Truck Trail), west of Whitney Canyon, 0.2-0.5 mi. ESE of ride-share parking lot at Hwy 14 and Newhall Ave. 470 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
  RSA655938  Ceanothus crassifolius James Henrickson 2000-4-15 20710 Los Angeles 1 mile SE of Newhall in W part of Whitney Canyon just NE of junction of San Fernando Road and State Hwy 14, within 200ft of Hwy 14 473 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
  UCR150665  Ceanothus crassifolius James Henrickson 2000-4-15 20710 Los Angeles San Gabriel Mountains region, c. 1 mi SE of Newhall in Whitney Canyon, SE of junction of San Fernando Road and State Highway 14; 0.25-0.5 mile east of Highway 14; within 200 ft of Hwy 488 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
  UCR256146  Ceanothus crassifolius R. G. Swinney 2010-3-10 11842 Los Angeles San Gabriel Mountains, FS Road 3N59 (Santa Clara Truck Trail), west of Whitney Canyon, 0.2-0.5 mi. ESE of ride-share parking lot at Hwy 14 and Newhall Ave. 470 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
  SBBG118594  Ceanothus crassifolius var. crassifolius J. Henrickson 2000-4-15 20710 Los Angeles ca. 1 mi SE of Newhall in W part of Whitney Cyn, just NE of jct of San Fernando Rd and St Hwy 14; T3N, R15W, SW/S 6 472 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
  RSA601636  Ceanothus oliganthus var. oliganthus Louis C. Wheeler 1967-6-26 9873 Los Angeles Elsmere Canyon. 441 Comment
  RSA642711  Ceanothus oliganthus var. oliganthus Orlando Mistretta 1992-7-13 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA655941  Ceanothus oliganthus var. oliganthus James Henrickson 2000-4-15 20707 B Los Angeles 1 mile SE of Newhall in W part of Whitney Canyon just NE of junction of San Fernando Road and State Hwy 14, within 200ft of Hwy 14 473 Comment
  UCR150658  Ceanothus oliganthus var. oliganthus James Henrickson 2000-4-15 20707 B Los Angeles San Gabriel Mountains region, c. 1 mi SE of Newhall in Whitney Canyon, SE of junction of San Fernando Road and State Highway 14; 0.25-0.5 mile east of Highway 14; within 200 ft of Hwy 488 Comment
  UCR193428  Ceanothus vestitus Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, mesa along north side of Santa Clara River, 1 km west of Sand Canyon Rd., Santa Clarita 470 Comment
  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
  RSA0087089  Centaurea melitensis R. G. Swinney 2010-5-4 12565 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 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
  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
  UCR260346  Centaurea melitensis R. G. Swinney 2010-5-4 12565 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  RSA655936  Cercocarpus betuloides James Henrickson 2000-4-15 20707 Los Angeles 1 mile SE of Newhall in W part of Whitney Canyon just NE of junction of San Fernando Road and State Hwy 14, within 200ft of Hwy 14 473 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
  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
  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
  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
  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
  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
  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
  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
  RSA301932  Chaenactis glabriuscula var. lanosa J. R. Shevock 1971-5-11 1051 Los Angeles Sierra Hwy, near Soledad Jct. 579 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
  UCR260343  Chenopodium berlandieri R. G. Swinney 2010-5-4 12566 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  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
  RSA681924  Chenopodium botrys Scott D. White, Michael Honer, Dylan Hannon 2003-7-16 9630 Los Angeles Santa Clara River wash, near Soledad Canyon Rd. bridge. Upstream and downstream ca. 1.5 miles. 390 Comment
  RSA0042042  Chenopodium californicum R. G. Swinney 2010-3-10 11831 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  UCR255839  Chenopodium californicum R. G. Swinney 2010-3-10 11831 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  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
  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
  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
  RSA600747  Chlorogalum pomeridianum var. pomeridianum Louis C. Wheeler 1967-6-26 9862 Los Angeles San Gabriel Mountains : East side Fremont Pass 556 Comment
  UCR193451  Chorizanthe coriacea Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, Santa Clara Riverbed, 1 km west of Sand Canyon Rd., Santa Clarita 460 Comment
  CAS-BOT-BC245248  Chorizanthe staticoides A. C. Sanders; Helen Kennedy 2005-4-13 29435 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. Plants of Los Angeles County. 488 Comment
  RSA0060466  Chorizanthe staticoides R. G. Swinney 2010-3-10 11834 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 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
  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
  RSA601560  Chorizanthe staticoides Louis C. Wheeler 1967-6-15 9820 Los Angeles San Gabriel Mountains: Fremont Pass. Land Grant 564 Comment
  RSA608836  Chorizanthe staticoides Louis C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring Canyon. 945 Comment
  RSA713743  Chorizanthe staticoides A. C. Sanders, Helen Kennedy 2005-4-13 29435 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  SD257354  Chorizanthe staticoides R. G. Swinney 2010-3-10 11834 Los Angeles San Gabriel Mountains: Whitney Canyon, Whitney Canyon Park, from 0.4 mile east of 14 Hwy, at the canyon mouth to 300 meters SE along ridgetip to the east of Whitney Canyon (Oat Mt. 7.5'Q) 441 Comment
  SD46365  Chorizanthe staticoides Darley F. Howe 1956-7-1 2551 Los Angeles Near San Fernando, San Gabriel Mts. Comment
  SEINET13203129 Image available Chorizanthe staticoides R. G. Swinney 2010-1 11834 Los Angeles San Gabriel Mountains: Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. (Oat Mt. 7.5' Q.) 442 Comment
  UCD105104  Chorizanthe staticoides Louis C. Wheeler 1967-6-15 9820 Los Angeles San Gabriel Mountains: Fremont Pass. Land Grant. 563 Comment
  UCD99991  Chorizanthe staticoides A. C. Sanders; Helen Kennedy 2005-4-13 29435 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 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
  UCR152903  Chorizanthe staticoides A. C. Sanders, Helen Kennedy 2005-4-13 29435 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR192818  Chorizanthe staticoides Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, mesa along north side of Santa Clara River, 1 km west of Sand Canyon Rd., Santa Clarita 470 Comment
  UCR255836  Chorizanthe staticoides R. G. Swinney 2010-3-10 11834 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  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
  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
  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
  UCR260332  Cirsium vulgare R. G. Swinney 2010-5-4 12545 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  RSA724615  Cistanthe monandra K. Dobry 1990-5-2 563 Los Angeles West San Gabriel Mts at Elsmere Cyn. 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
  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
  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
  RSA724760  Clarkia bottae K. Dobry 1991-5-13 494 Los Angeles West San Gabriel Mts at Elsmere Cyn. 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
  RSA458826  Clarkia cylindrica subsp. cylindrica Kenneth A. Wilson 1962-5-26 1287 Los Angeles Placerita Canyon, about one mile east of Hwy 6. Comment
  RSA601566  Clarkia cylindrica subsp. cylindrica Louis C. Wheeler 1967-6-15 9816 Los Angeles San Gabriel Mountains: South side Fremont Pass, east side. Land Grant 549 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
  RSA601129  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1967-6-15 9817 Los Angeles San Gabriel Mountains: South side Fremont Pass, east side. Land Grant 549 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
  CAS-BOT-BC165497  Clarkia unguiculata Richard S. Felger 1968-6-13 s.n. Los Angeles Elsmere Canyon, San Gabriel Mts., Angeles Natl. Forest, ca. 2 mi se Newhall 518 Comment
  CAS-BOT-BC165506  Clarkia unguiculata Carl B. Wolf 1928-5-11 2180 Los Angeles So. base of Newhall Grade 457 Comment
  CLARK-A1528-3373  Clarkia unguiculata John C. Roos 1942-6-6 989 Los Angeles Placerita Canyon Comment
  POM307162  Clarkia unguiculata Henry J. Ramsey, Henry J. Ramsey 1937-5-15 2008 Los Angeles Newhall Grade. 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
  RSA0084498  Clarkia unguiculata R. G. Swinney 2010-5-4 12561 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 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
  RSA15529  Clarkia unguiculata Carl B. Wolf 1928-5-11 2180 Los Angeles So. base of Newhall Grade. Comment
  RSA502091  Clarkia unguiculata R. S. Felger 1968-6-13 s.n. Los Angeles Elsmere Canyon, Angeles Natl. Forest, ca. 2 mi SE of Newhall. 518 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
  RSA601130  Clarkia unguiculata Louis C. Wheeler 1967-6-15 9818 Los Angeles San Gabriel Mountains: South side Fremont Pass, east side. Land Grant 549 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
  UCR260350  Clarkia unguiculata R. G. Swinney 2010-5-4 12561 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  UCSB4314  Clarkia unguiculata Wilson, Richard 1956-5-16 Los Angeles 24 miles West of Palmdale on U.S. 6 Mint Canyon Area 762 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
  RSA0082602  Claytonia perfoliata R. G. Swinney 2010-3-14 11897 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 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
  UCR259042  Claytonia perfoliata R. G. Swinney 2010-3-14 11897 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 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
  RSA724608  Clematis lasiantha K. Dobry 1991-5-2 566 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  RSA724609  Clematis lasiantha K. Dobry 1991-5-2 567 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  RSA724610  Clematis lasiantha K. Dobry 1991-5-2 564 Los Angeles West San Gabriel Mts at Elsmere Cyn 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
  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
  LA209063  Collinsia parryi J. Sauer; 1980-4-26 6087 Los Angeles Placerita Canyon, W end of San Gabriel Mountains 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
  SBBG118593  Collinsia parviflora J. Henrickson 2000-4-15 20704 Los Angeles ca. 1 mi SE of Newhall in Whitney Cyn, SE of jct of San Fernando Rd and St Hwy 14, ca. 0.5 mi E of St Hwy 14; near T3N, R15W, N edge of S 7 457 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
  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
  CAS-BOT-BC105653  Corethrogyne filaginifolia John Thomas Howell 1950-11-9 27483 Los Angeles 4 mi. s. of Newhall on Foothill Blvd. Comment
  CAS-BOT-BC105724  Corethrogyne filaginifolia M. Canby 1925-11-28 12 Los Angeles North side of Newhall pass 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
  UC277036  Corethrogyne filaginifolia M. L. Canby 1925-11-28 13 Los Angeles s Newhall Grade; s of Newhall Grade Comment
  UC277037  Corethrogyne filaginifolia M. L. Canby 1925-11-28 12 Los Angeles n side Newhall Pass; n side Newhall Pass 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
  PASA1811  Corethrogyne filaginifolia var. peirsonii Margaret L. Canby 1925-11-28 Los Angeles North side Newhall Grade Comment
  POM75767  Corethrogyne filaginifolia var. peirsonii M. Canby 1925-11-28 13 Los Angeles So. side of Newhall Grade. 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
  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
  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
  SBBG133176  Croton setiger B. C. Templeton 1967-7-23 10172 Los Angeles Whitney Cyn; T3N R16W NW1/4 S12 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
  RSA0049931  Cryptantha intermedia R. G. Swinney 2010-3-10 11824 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  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
  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
  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
  UCR255789  Cryptantha intermedia R. G. Swinney 2010-3-10 11824 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  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
  RSA0116514  Cryptantha juniperensis A. C. Sanders, Helen Kennedy 2005-4-13 29418 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 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
  UCR193452  Cryptantha micrantha subsp. micrantha Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, knoll on south side of Santa Clara River, 1.5 km west of Sand Canyon Rd., Santa Clarita 475 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
  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
  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
  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
  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
  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
  RSA0088596  Cryptantha muricata R. G. Swinney 2010-5-4 12541 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA724750  Cryptantha muricata K. Dobry 1991-3-15 427 Los Angeles San Gabriel Mts. Upper Elsmere Cyn Comment
  SD186138  Cryptantha muricata A. C. Sanders, Helen Kennedy 2005-4-13 29411 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 456 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
  UCR152655  Cryptantha muricata A. C. Sanders, Helen Kennedy 2005-4-13 29411 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  UCR260334  Cryptantha muricata R. G. Swinney 2010-5-4 12541 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  SBBG63781  Cryptantha muricata var. jonesii R. Hoffmann 1928-7-7 Los Angeles 2 mi E of Saugus Comment
  RSA0079444  Cryptantha muricata var. muricata A. C. Sanders, Helen Kennedy 2005-4-13 29411 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UCR152895  Cryptantha nevadensis var. rigida A. C. Sanders, Helen Kennedy 2005-4-13 29418 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA0091661  Cucurbita foetidissima Bonnie C. Templeton 1967-7-23 10143 Los Angeles Whitney Canyon. 427 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
  SBBG133184  Cucurbita foetidissima B. C. Templeton 1967-7-23 10143 Los Angeles Whitney Cyn; T3N R15W NW 1/4 S12 427 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
  CAS-BOT-BC80494  Cupressus arizonica Carl B. Wolf 1935-12-11 7689 Los Angeles South of Newhall, at entrance to Republic Petroleum Co's. property 396 Comment
  CAS-BOT-BC80495  Cupressus arizonica Carl B. Wolf 1935-12-11 7690 Los Angeles South of Newhall, at entrance to Republic Petroleum Co's. property 396 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
  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
  RSA725241  Dactylis glomerata K. Dobry 1991-5-2 d- 569 Los Angeles West San Gabriel Mts at Elsmere Cyn. 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
  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
  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
  SBBG61025  Deinandra fasciculata R. Hoffmann 1928-7-7 Los Angeles 3 mi E of Saugus Comment
  UC1971322  Deinandra fasciculata Louis C. Wheeler 1967-5-23 9664 Los Angeles 1 mile east southeast Honby. 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
  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
  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
  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
  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
  RSA0042045  Dichelostemma capitatum R. G. Swinney 2010-3-10 11828 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 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
  SEINET13203164 Image available Dichelostemma capitatum R. G. Swinney 2010-1 11828 Los Angeles San Gabriel Mountains: Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. (Oat Mt. 7.5' Q.) 442 Comment
  SFV15563  Dichelostemma capitatum R. K. Stachelek 1992-4-14 35 Los Angeles San Gabriel Mountains Sylmar. Stetson Ranch Park. 500 Comment
  UCR255842  Dichelostemma capitatum R. G. Swinney 2010-3-10 11828 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  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
  RSA713816  Dichelostemma capitatum subsp. capitatum A. C. Sanders, Helen Kennedy 2005-4-13 29454 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UCD139201  Dichelostemma capitatum subsp. capitatum A. C. Sanders; Helen Kennedy 2005-4-13 29454 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  CAS-BOT-BC150816  Dichelostemma pulchellum A. C. Sanders; Helen Kennedy 2005-4-13 29454 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR155910  Dichelostemma pulchellum A. C. Sanders, Helen Kennedy 2005-4-13 29454 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  CAS-BOT-BC150670  Diplacus longiflorus Carl B. Wolf 1928-5-11 2182 Los Angeles So. base of Newhall Grade 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
  RSA638947  Dudleya lanceolata L. C. Wheeler 1967-5-15 9568 Los Angeles Ridge immediately east of Fremont Pass. 579 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
  RSA507543  Dudleya pulverulenta subsp. pulverulenta L. C. Wheeler 1967-6-26 9876 Los Angeles Elsmere Canyon. 457 Comment
  RSA507544  Dudleya pulverulenta subsp. pulverulenta L. C. Wheeler 1967-6-26 9876 Los Angeles Elsmere Canyon. 457 Comment
  CLARK-A1528-1135  Dudleya saxosa subsp. aloides John C. Roos 1947-5-17 3625 Los Angeles Placerita Canyon 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
  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
  RSA0088583  Elymus condensatus R. G. Swinney 2010-5-4 12554 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 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
  UCR260329  Elymus condensatus R. G. Swinney 2010-5-4 12554 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  RSA601552  Elymus glaucus subsp. glaucus L. C. Wheeler 1967-6-15 9812 Los Angeles San Gabriel Mountains: South side Fremont Pass, east side. Land Grant 549 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
  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
  RSA0084495  Emmenanthe penduliflora R. G. Swinney 2010-5-4 12537 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 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
  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
  UCR260347  Emmenanthe penduliflora R. G. Swinney 2010-5-4 12537 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  UCR155595  Encelia actoni A. C. Sanders, Helen Kennedy 2005-4-13 29452 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  UCR193429  Ephedra nevadensis Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, mesa along north side of Santa Clara River, 1 km west of Sand Canyon Rd., Santa Clarita 470 Comment
  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
  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
  RSA0091824  Eremocarpus setiger Bonnie C. Templeton 1967-7-23 10172 Los Angeles Whitney Canyon. Comment
  RSA600990  Eremocarpus setiger L. C. Wheeler 1967-6-26 9886 Los Angeles Elsmere Canyon. 441 Comment
  SBBG63729  Eremocarya micrantha R. Hoffmann 1928-7-7 Los Angeles 2 mi E of Saugus Comment
  UCSC011214  Eriastrum densifolium Adam Searcy 2015-7-10 75 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  RSA0105894  Eriastrum densifolium subsp. austromontanum Thos. Craig 1927-6-19 462 Los Angeles Soledad Canon [canyon] Road near junction with Mint Canyon Road. Comment
  RSA0118095  Eriastrum densifolium subsp. elongatum 2015-8-19 7555 Los Angeles Along Santa Clara River at Discovery Park, west side of Canyon Country, east of Honby, northeast of Santa Clarita. North of Soledad Canyon Road, at edge of river wash. 396 Comment
  IRVC28918  Eriastrum densifolium subsp. mohavense Karlin G. Marsh 1990-6-12 s.n. Los Angeles Santa Clara River, "Canyon Country". Transverse Ranges 451 Comment
  UCR192816  Eriastrum sapphirinum Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, mesa along north side of Santa Clara River, 1 km west of Sand Canyon Rd., Santa Clarita 470 Comment
  RSA0121273  Eriastrum sapphirinum subsp. dasyanthum F. W. Peirson 1921-7-1 2829 Los Angeles Mint Canyon. 473 Comment
  CAS-BOT-BC154059  Ericameria cooperi A. C. Sanders; Helen Kennedy 2005-4-13 29425 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA713746  Ericameria cooperi A. C. Sanders, Helen Kennedy 2005-4-13 29425 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UCR152904  Ericameria cooperi A. C. Sanders, Helen Kennedy 2005-4-13 29425 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA655934  Ericameria linearifolia James Henrickson 2000-4-15 20681 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 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
  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
  SBBG62809  Ericameria pinifolia R. Hoffmann 1928-9-11 Los Angeles ca. 5 mi E of Saugus 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
  UCR192817  Erigeron foliosus Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, mesa along north side of Santa Clara River, 1 km west of Sand Canyon Rd., Santa Clarita 470 Comment
  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
  RSA785822  Eriodictyon crassifolium K. Dobry 1991-4-4 415 Los Angeles San Gabriel Mts. at Upper Elsmere Cyn. 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
  CAS-BOT-BC189183  Eriodictyon crassifolium var. nigrescens A. C. Sanders; Helen Kennedy 2005-4-13 29415 Los Angeles Western San Gabriel / Liebre Mountains Region: Santa Clarita area, lower Mint Canyon at the community of MInt Canyon 487 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
  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
  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
  RSA626977  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1967-5-15 9576 Los Angeles San Gabriel Mountains: South side Elsmere Canyon near the mouth. 473 Comment
  RSA715432  Eriodictyon crassifolium var. nigrescens A. C. Sanders, Helen Kennedy 2005-4-13 29415 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 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
  UCR152676  Eriodictyon crassifolium var. nigrescens A. C. Sanders, Helen Kennedy 2005-4-13 29415 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  UCSC011220  Eriogonum Adam Searcy 2015-7-10 80 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  CAS-BOT-BC248472  Eriogonum angulosum Sam Foster 1956-10-31 s.n. Los Angeles Between Solemint & Saugus Comment
  UCSC011209  Eriogonum baileyi Adam Searcy 2015-7-24 69 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  UCSC011216  Eriogonum baileyi Adam Searcy 2015-7-10 77 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  UCSC011217  Eriogonum baileyi Adam Searcy 2015-7-10 77 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  RSA681920  Eriogonum baileyi var. baileyi Scott D. White, Michael Honer, Dylan Hannon 2003-7-16 9635 Los Angeles Santa Clarita Area: Santa Clara River wash, near Soledad Canyon Rd. bridge. Upstream and downstream ca. 1.5 miles. 390 Comment
  RSA681910  Eriogonum brachyanthum Scott D. White, Michael Honer, Dylan Hannon 2003-7-16 9634 Los Angeles Santa Clarita Area: Santa Clara River wash, near Soledad Canyon Rd. bridge. Upstream and downstream ca. 1.5 miles. 390 Comment
  SBBG61866  Eriogonum brachyanthum R. Hoffmann 1928-8-7 Los Angeles 2 mi E of Saugus Comment
  SBBG61893  Eriogonum brachyanthum R. Hoffmann 1928-7-7 Los Angeles E of Saugus Comment
  SEINET6329284  Eriogonum brachyanthum Scott D. White, Michael Honer, Dylan Hannon 2003-7-16 9634 Los Angeles Santa Clarita area: Santa Clara River wash, near Soledad Canyon Road bridge. Upstream and downstream ca 1.5 miles (Mint Canyon). T4N R15W S17, 18, 20-22 390 Comment
  UCSC011210  Eriogonum brachyanthum Adam Searcy 2015-7-24 70 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  UCSC011218  Eriogonum brachyanthum Adam Searcy 2015-7-10 78 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  SEINET6336356  Eriogonum davidsonii Scott D. White, Michael Honer, Dylan Hannon 2003-7-16 9635 Los Angeles Santa Clarita area: Santa Clara River wash, near Soledad Canyon Road bridge. Upstream and downstream ca 1.5 miles (Mint Canyon). T4N R15W S17, 18, 20-22 390 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
  CAS-BOT-BC253189  Eriogonum fasciculatum A. C. Sanders; Helen Kennedy 2005-4-13 29453 Los Angeles Santa Clarita area, lower Mint CAnyon at teh community of Mint Canyon, Mint Canyon 7.5' Q, Western San Gabriel/Liebre Mtns. Region 487 Comment
  UCR155594  Eriogonum fasciculatum A. C. Sanders, Helen Kennedy 2005-4-13 29453 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  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
  GH364099  Eriogonum fasciculatum var. foliolosum L. C. Wheeler 1967-5-15 9565 Unknown San Gabriel Mountains: East of Fremont Pass 579 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
  RSA638945  Eriogonum fasciculatum var. foliolosum Louis C. Wheeler 1967-5-15 9565 Los Angeles East of Fremont Pass 579 Comment
  GH364119  Eriogonum fasciculatum var. polifolium L. C. Wheeler 1967-6-15 9819 Unknown San Gabriel Mountains: Fremont Pass. Land Grant T3 N R16 W sec. 18 563 Comment
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Oct 22 2014
  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
  RSA601131  Eriogonum fasciculatum var. polifolium Louis C. Wheeler 1967-6-15 9819 Los Angeles San Gabriel Mountains: Fremont Pass. Land Grant 564 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
  UCSC011208  Eriogonum gracile Adam Searcy 2015-7-24 68 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River 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
  POM145758  Eriogonum thurberi Thos. Craig 1927-6-19 465 Los Angeles Soledad Canyon Road near west junction with Mint Canyon Road. 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
  RSA0047409  Eriophyllum confertiflorum R. G. Swinney 2010-3-10 11826 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 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
  SD186083  Eriophyllum confertiflorum A. C. Sanders, Helen Kennedy 2005-4-13 29431 Los Angeles Santa Clarita area, lower Mint Canyon at the the community of Mint Canyon. 456 Comment
  SEINET13203149 Image available Eriophyllum confertiflorum R. G. Swinney 2010-1 11826 Los Angeles San Gabriel Mountains: Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. (Oat Mt. 7.5' Q.) 442 Comment
  SFV18424  Eriophyllum confertiflorum C. Ferguson 1977-5-5 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Comment
  UCR152888  Eriophyllum confertiflorum A. C. Sanders, Helen Kennedy 2005-4-13 29431 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR255844  Eriophyllum confertiflorum R. G. Swinney 2010-3-10 11826 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  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
  UCR260342  Eriophyllum confertiflorum R. G. Swinney 2010-5-4 12562 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  LA83325  Eriophyllum confertiflorum var. confertiflorum O. H. Kappler; 1944-6-4 662 Los Angeles San Gabriel Mountains, Soledad Canyon, near Sand Canyon 365 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
  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
  RSA638928  Eriophyllum confertiflorum var. confertiflorum L. C. Wheeler 1967-5-15 9574 Los Angeles San Gabriel Mountains: South side Elmere Canyon near the mouth. 473 Comment
  SBBG45063  Eriophyllum confertiflorum var. confertiflorum C. B. Wolf 1928-5-11 2181 Los Angeles S base of Newhall grade 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
  RSA655745  Erodium botrys James Henrickson 2000-4-15 20689 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 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
  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
  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
  CAS-BOT-BC154057  Eschscholzia californica A. C. Sanders; Helen Kennedy 2005-4-13 29423 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA713739  Eschscholzia californica A. C. Sanders, Helen Kennedy 2005-4-13 29423 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UCR152881  Eschscholzia californica A. C. Sanders, Helen Kennedy 2005-4-13 29423 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR192813  Eschscholzia californica Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, knoll on south side of Santa Clara River, 1.5 km west of Sand Canyon Rd., Santa Clarita 475 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
  RSA655933  Eucalyptus globulus James Henrickson 2000-4-15 20683 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 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
  RSA0084871  Eucrypta chrysanthemifolia R. G. Swinney 2010-5-4 12557 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 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
  UCR260337  Eucrypta chrysanthemifolia R. G. Swinney 2010-5-4 12557 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  RSA713744  Euphorbia albomarginata A. C. Sanders, Helen Kennedy 2005-4-13 29436 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UCR152902  Euphorbia albomarginata A. C. Sanders, Helen Kennedy 2005-4-13 29436 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA600991  Euphorbia serpillifolia subsp. serpillifolia L. C. Wheeler 1967-6-26 9887 Los Angeles Elsmere Canyon. 441 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
  UCR152907  Festuca myuros A. C. Sanders, Helen Kennedy 2005-4-13 29426 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 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
  UCR165063  Festuca octoflora A. C. Sanders, Helen Kennedy 2005-4-13 29462 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  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
  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
  RSA638943  Filago californica L. C. Wheeler 1967-5-15 9563 Los Angeles Ridge immediately east of Fremont Pass. 579 Comment
  RSA713791  Filago californica A. C. Sanders, Helen Kennedy 2005-4-13 29417 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 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
  UCR152894  Filago californica A. C. Sanders, Helen Kennedy 2005-4-13 29417 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  RSA350143  Fraxinus dipetala Wesley O. Griesel 1986-5-14 s.n. Los Angeles Lower Placerita Canyon. Comment
  RSA350147  Fraxinus dipetala Wesley O. Griesel 1986-3-6 s.n. Los Angeles Placerita canyon. 518 Comment
  SFV2750  Fraxinus dipetala K. A. Wilson 1961-3-11 976 Los Angeles San Gabriel Mountains Placerita Canyon Road. Wash 3 miles east of Placerita Canyon State Park. 410 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
  CAS-BOT-BC223026  Galium angustifolium A. C. Sanders; Helen Kennedy 2005-4-13 29458 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  CAS-BOT-BC223027  Galium angustifolium A. C. Sanders; Helen Kennedy 2005-4-13 29457 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  UCR155668  Galium angustifolium A. C. Sanders, Helen Kennedy 2005-4-13 29458 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR155670  Galium angustifolium A. C. Sanders, Helen Kennedy 2005-4-13 29457 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  RSA655785  Galium angustifolium subsp. angustifolium James Henrickson 2000-4-15 20682 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 Comment
  SBBG118484  Galium angustifolium subsp. angustifolium O. Mistretta 1992-7-13 695 Los Angeles Los Pinetos Spring Cyn Trail 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
  RSA601635  Galium parisiense Louis C. Wheeler 1967-6-26 9879 Los Angeles Elsmere Canyon. 441 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
  RSA0088158  Galium porrigens R. G. Swinney 2010-3-14 11903 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 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
  UCR259241  Galium porrigens R. G. Swinney 2010-3-14 11903 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 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
  RSA601123  Gamochaeta pensylvanica L. C. Wheeler 1967-6-26 9889 Los Angeles Elsmere Canyon. 441 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
  RSA655783  Gazania linearis James Henrickson 2000-4-15 20698 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 Comment
  UCR150687  Gazania linearis James Henrickson 2000-4-15 20698 Los Angeles San Gabriel Mountains region, c. 1 mi SE of Newhall in Whitney Canyon, SE of junction of San Fernando Road and State Highway 14; 0.25-0.5 mile east of Highway 14; within 200 ft of Hwy 488 Comment
  UCR193432  Gilia Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, knoll on south side of Santa Clara River, 1.5 km west of Sand Canyon Rd., Santa Clarita 475 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
  RSA655748  Gilia achilleifolia subsp. achilleifolia James Henrickson 2000-4-15 20686 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 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
  RSA469712  Gilia aliquanta subsp. aliquanta B. C. Templeton, I. W. Clokey 1930-4-8 1047 Los Angeles South of Saugus. 500 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
  UCR152891  Gilia angelensis A. C. Sanders, Helen Kennedy 2005-4-13 29434 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  UCR155588  Gilia capitata subsp. abrotanifolia A. C. Sanders, Helen Kennedy 2005-4-13 29448 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  RSA0091660  Grayia spinosa Bonnie C. Templeton 1967-7-23 10170 Los Angeles Whitney Canyon. 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
  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
  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
  SBBG122071  Harpagonella palmeri A. Parikh, N. Gale 2003-4-10 1739 Los Angeles 2.5 km E of jct of Bouquet Cyn Rd and Newhall Ranch Rd, N bank of Santa Clara River 400 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
  RSA0060510  Helianthemum scoparium R. G. Swinney 2010-3-10 11820 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 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
  UCR255793  Helianthemum scoparium R. G. Swinney 2010-3-10 11820 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  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
  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
  UCR155596  Hemizonia fasciculata A. C. Sanders, Helen Kennedy 2005-4-13 29451 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  UCD138427  Hesperoyucca whipplei Louis C. Wheeler 1967-6-15 9821 Los Angeles San Gabriel Mountains: SE side Fremont Pass. Land Grant. 563 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
  RSA0088157  Hordeum murinum R. G. Swinney 2010-3-14 11900 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 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
  UCR259266  Hordeum murinum R. G. Swinney 2010-3-14 11900 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 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
  RSA724994  Hordeum murinum subsp. glaucum K. Dobry 1991-5-2 592 Los Angeles West San Gabriel Mts at 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
  RSA639099  Hordeum murinum subsp. leporinum L. C. Wheeler 1967-5-15 9567 Los Angeles Ridge immediately east of Fremont Pass. 579 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
  RSA601568  Hypochaeris glabra L. C. Wheeler 1967-6-15 9814 Los Angeles San Gabriel Mountains: South side Fremont Pass, east side. Land Grant 549 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
  JEPS19161  Isocoma menziesii var. menziesii W. L. Jepson 1941-10-28 20645 Los Angeles 4-5 mi nw of San Fernando; Fremont Pass 457 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
  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
  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
  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
  UCSB57483  Juglans californica Griesel, Wesley 1986-4-25 Los Angeles San Gabriel Mountains; Elsmere Canyon area 548 Comment
  RSA600978  Juglans californica var. californica Louis C. Wheeler 1967-6-26 9874 Los Angeles Elsmere Canyon. 441 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
  RSA724468  Juglans californica var. californica K. Dobry 1991-5-2 575 Los Angeles West San Gabriel Mts at Elsmere Cyn 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
  PASA625  Juncus balticus Frank W. Peirson 1922-6-4 Los Angeles Soledad Canyon 457 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
  RSA69628  Juncus balticus F. W. Peirson 1922-6-4 1642 Los Angeles Soledad Canyon, San Gabriel Mountains. 457 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
  RSA692083  Juncus balticus subsp. ater A. C. Sanders 2002-6-19 25152 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just S of Santa Clara River. 305 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
  LA83986  Juniperus californica O. H. Kappler; 1944-6-4 664 Los Angeles San Gabriel Mountains, Soledad Creek, N slope Comment
  CAS-BOT-BC235735  Keckiella cordifolia Carl B. Wolf 1931-7-30 2297 Los Angeles Base of Newhall Grade 1/4 mi. above crossing of L. A. Aqueduct 457 Comment
  CAS-BOT-BC235737  Keckiella cordifolia C. B. Wolf 1931-7-30 2297 Los Angeles North slope at base of Newhall Grade, 1/4 mi. above crossing of Los Angeles Aqueduct 457 Comment
  CAS-BOT-BC235740  Keckiella cordifolia Carl B. Wolf 1931-7-30 2297 Los Angeles Base of Newhall Grade, 1/4 mile above crossing of Los Angeles Aqueduct 457 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
  GH365708  Keckiella cordifolia C. B. Wolf 1931-7-30 4191 Unknown base of Newhall Grade, 1/4 mile above Crossing of Los Angeles Aqueduct 457 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
  RSA3152  Keckiella cordifolia Carl B. Wolf 1931-7-30 2297 Los Angeles Base of Newhall Grade, 1/4 mile above crossing of the Los Angeles Aqueduct. 457 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
  UC527453  Keckiella cordifolia C. B. Wolf 1931-7-30 Los Angeles base Newhall Grade (0.25 mi above crossing of Los Angeles Aqueduct) 457 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
  UC2026448  Lagophylla ramosissima Louis C. Wheeler 1967-6-26 9865 Los Angeles SAN GABRIEL MOUNTAINS: Whitney Canyon, near mouth. Comment
  RSA601640  Lagophylla ramosissima subsp. ramosissima L. C. Wheeler 1967-6-26 9865 Los Angeles San Gabriel Mountains : Whitney Canyon, near mouth. 434 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
  RSA640454  Lamarckia aurea L. C. Wheeler 1967-5-15 9596 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. 434 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
  HSC14757  Lathyrus vestitus subsp. laevicarpus C. S. Apperson 1966-4-16 Los Angeles Junction of Hwys. 6 and 99. Weldon Canyon area near Newhall. 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
  RSA624065  Lepidospartum squamatum L. C. Wheeler 1967-5-23 9666 Los Angeles 1.25 mile ESE Honby 457 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
  UC310863  Leptodactylon californicum Philip A. Munz 1925-3-18 8924 Los Angeles Newhall Grade Comment
  UC669276  Leptodactylon californicum Annie M. Alexander and Louise Kellogg 1941-3-24 1995 Los Angeles 8.5 mi s Castaic Junction; Weldon Canyon 487 Comment
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Nov 14 2007
  RSA655940  Leptodactylon californicum subsp. californicum James Henrickson 2000-4-15 20708 Los Angeles 1 mile SE of Newhall in W part of Whitney Canyon just NE of junction of San Fernando Road and State Hwy 14, within 200 ft of Hwy 14 473 Comment
  UCR150664  Leptodactylon californicum subsp. californicum James Henrickson 2000-4-15 20708 Los Angeles San Gabriel Mountains region, c. 1 mi SE of Newhall in Whitney Canyon, SE of junction of San Fernando Road and State Highway 14; 0.25-0.5 mile east of Highway 14; within 200 ft of Hwy 488 Comment
  RSA601639  Leptosiphon liniflorus L. C. Wheeler 1967-6-26 9866 Los Angeles San Gabriel Mountains : Whitney Canyon, near mouth. 434 Comment
  SEINET7967498 Image available Leptosiphon liniflorus Louis C. Wheeler 1967-6-26 9866 Los Angeles San Gabriel Mountains: Whitney Canyon. near mouth. 434 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
  UCR143342  Lessingia filaginifolia var. filaginifolia M. Canby 1925-11-28 13 Los Angeles Transverse Ranges; Santa Susana Mtns, south side of Newhall Grade Comment
  UCSC011219  Lessingia glandulifera Adam Searcy 2015-7-10 79 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  RSA681897  Lessingia glandulifera var. glandulifera Scott D. White, Michael Honer, Dylan Hannon 2003-7-16 9627 Los Angeles Santa Clarita Area: Santa Clara River wash, near Soledad Canyon Rd. bridge. Upstream and downstream ca. 1.5 miles. 390 Comment
  SFV4017  Lessingia glandulifera var. glandulifera M. L. Vincent 1962-10-4 297 Los Angeles San Gabriel Mountains Lost Canyon Road, 0.25 miles north of Sand Canyon. 475 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
  RSA600745  Leymus condensatus L. C. Wheeler 1967-6-15 9826 Los Angeles San Gabriel Mountains: Fremont Pass. Land Grant 579 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
  CAS-BOT-BC226739  Linanthus californicus Paul F. Covel 1937-4-20 928 Los Angeles Newhall Grade Comment
  CAS-BOT-BC226753  Linanthus californicus Annie M. Alexander; Louise Kellogg 1941-3-24 1995 Los Angeles Weldon Canyon; 8.5 miles south of Castiac [Castaic] Junction 487 Comment
  CAS-BOT-BC226754  Linanthus californicus Annie M. Alexander; Louise Kellogg 1941-3-24 1995 Los Angeles Weldon Canyon; 8.5 miles south of Castiac [Castaic] Junction 487 Comment
  RSA626976  Linanthus californicus L. C. Wheeler 1967-5-15 9575 Los Angeles San Gabriel Mountains: South side Elsmere Canyon near the mouth. 473 Comment
  RSA724537  Linanthus californicus K. Dobry 1991-3-15 420 Los Angeles San Gabriel Mts at Elsmre Cyn Comment
  SBBG118587  Linanthus californicus J. Henrickson 2000-4-15 20708 Los Angeles ca. 1 mi SE of Newhall in W part of Whitney Cyn, just NE of jct of San Fernando Rd and St Hwy 14; within 200 ft of Hwy 14; near T3N, R15W, SW edge of S 6 472 Comment
  UC2026474  Linanthus liniflorus Louis C. Wheeler 1967-6-26 9866 Los Angeles SAN GABRIEL MOUNTAINS: Whitney Canyon, near mouth. 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
  CAS-BOT-BC432202  Lithophragma bolanderi Frank W. Peirson 1925-3-18 5469 Los Angeles Newhall Grade 381 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
  UC310834  Lithophragma bolanderi Philip A. Munz 1925-3-18 8922 Los Angeles Newhall Grade 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
  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
  SBBG64731  Loeseliastrum matthewsii R. Hoffmann 1928-9-11 Los Angeles 5 mi E of Saugus 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
  SD186086  Logfia filaginoides A. C. Sanders, Helen Kennedy 2005-4-13 29417 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 456 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
  RSA0087060  Lomatium dasycarpum R. G. Swinney 2010-3-14 11901 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 Comment
  UCR259268  Lomatium dasycarpum R. G. Swinney 2010-3-14 11901 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 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
  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
  HSC98255  Lotus corniculatus C. S. Apperson 1967-6-26 Los Angeles Newhall Ranger Station 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
  RSA709751  Lotus humistratus A. C. Sanders 2005-4-13 29449 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UCR155587  Lotus humistratus A. C. Sanders, Helen Kennedy 2005-4-13 29449 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  UCR260340  Lotus salsuginosus R. G. Swinney 2010-5-4 12539 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  RSA695433  Lotus scoparius A. C. Sanders, Mark Elvin 2002-6-19 25156 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just S of Santa Clara River. 305 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
  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
  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
  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
  RSA0087082  Lotus scoparius var. scoparius R. G. Swinney 2010-5-4 12564 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA626239  Lotus scoparius var. scoparius L. C. Wheeler 1967-5-15 9585 Los Angeles San Gabriel Mountains: South side Elsmere Canyon near the mouth. 518 Comment
  UCR155666  Lotus scoparius var. scoparius A. C. Sanders, Helen Kennedy 2005-4-13 29459 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR260345  Lotus scoparius var. scoparius R. G. Swinney 2010-5-4 12564 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  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
  RSA713745  Lotus strigosus A. C. Sanders, Helen Kennedy 2005-4-13 29437 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 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
  UCR152905  Lotus strigosus A. C. Sanders, Helen Kennedy 2005-4-13 29437 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  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
  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
  RSA713742  Lupinus bicolor A. C. Sanders, Helen Kennedy 2005-4-13 29433 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  SD186206  Lupinus bicolor A. C. Sanders, Helen Kennedy 2005-4-13 29433 Los Angeles San Gabriel/Liebre Mountains, lower Mint Canyon at the community of Mint Canyon. 456 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
  UCR152890  Lupinus bicolor A. C. Sanders, Helen Kennedy 2005-4-13 29433 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  UCR193431  Lupinus concinnus subsp. orcuttii Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, Santa Clara Riverbed, 1 km west of Sand Canyon Rd., Santa Clarita 460 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
  RSA0069839  Lupinus hirsutissimus R. G. Swinney 2010-3-10 11833 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  RSA713740  Lupinus hirsutissimus A. C. Sanders, Helen Kennedy 2005-4-13 29424 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 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
  SFV1886  Lupinus hirsutissimus K. A. Wilson 1961-3-11 977 Los Angeles San Gabriel Mountains Placerita Canyon Road. Wash 3 miles east of Placerita Canyon State Park. 410 Comment
  UCR152882  Lupinus hirsutissimus A. C. Sanders, Helen Kennedy 2005-4-13 29424 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 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
  UCR255837  Lupinus hirsutissimus R. G. Swinney 2010-3-10 11833 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  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
  RSA0069840  Lupinus sparsiflorus R. G. Swinney 2010-3-10 11832 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  RSA713793  Lupinus sparsiflorus A. C. Sanders, Helen Kennedy 2005-4-13 29422 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  SD186213  Lupinus sparsiflorus A. C. Sanders, Helen Kennedy 2005-4-13 29422 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 456 Comment
  SEINET13203165 Image available Lupinus sparsiflorus R. G. Swinney 2010-1 11832 Los Angeles San Gabriel Mountains: Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. (Oat Mt. 7.5' Q.) 442 Comment
  SFV1917  Lupinus sparsiflorus K. A. Wilson 1961-3-11 979 Los Angeles San Gabriel Mountains Placerita Canyon Road. Wash 3 miles east of Placerita Canyon State Park. 410 Comment
  UCR152880  Lupinus sparsiflorus A. C. Sanders, Helen Kennedy 2005-4-13 29422 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR255838  Lupinus sparsiflorus R. G. Swinney 2010-3-10 11832 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  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
  RSA601559  Lupinus sparsiflorus subsp. sparsiflorus L. C. Wheeler 1967-6-15 9822 Los Angeles San Gabriel Mountains: South side Fremont Pass. Land Grant 564 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
  RSA0084493  Lupinus succulentus R. G. Swinney 2010-5-4 12540 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 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
  UCR260339  Lupinus succulentus R. G. Swinney 2010-5-4 12540 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  CAS-BOT-BC173256  Lupinus truncatus A. C. Sanders; Helen Kennedy 2005-4-13 29416 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  RSA715429  Lupinus truncatus A. C. Sanders, Helen Kennedy 2005-4-13 29416 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UCR152454  Lupinus truncatus A. C. Sanders, Helen Kennedy 2005-4-13 29416 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  RSA0068249  Malacothamnus R. G. Swinney 2010-3-10 11837 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 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
  UCR256442  Malacothamnus R. G. Swinney 2010-3-10 11837 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  CAS-BOT-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-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
  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
  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
  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
  RSA681898  Malacothamnus marrubioides Scott D. White, Michael Honer, Dylan Hannon 2003-7-16 9628 Los Angeles Santa Clarita Area: Santa Clara River wash, near Soledad Canyon Rd. bridge. Upstream and downstream ca. 1.5 miles. 390 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
  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
  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
  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
  RSA0084496  Malacothrix saxatilis R. G. Swinney 2010-5-4 12536 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  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
  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
  UCR260348  Malacothrix saxatilis R. G. Swinney 2010-5-4 12536 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  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
  UCR260354  Malva parviflora R. G. Swinney 2010-5-4 12544 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  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
  UCR152892  Marah macrocarpa A. C. Sanders, Helen Kennedy 2005-4-13 29429 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  HSC99260  Marrubium vulgare C. S. Apperson 1967-6-26 Los Angeles Newhall Ranger Station 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
  RSA0086915  Marrubium vulgare R. G. Swinney 2010-5-4 12559 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 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
  UCR260351  Marrubium vulgare R. G. Swinney 2010-5-4 12559 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  RSA0081522  Matricaria discoidea R. G. Swinney 2010-3-14 11905 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 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
  UCR259066  Matricaria discoidea R. G. Swinney 2010-3-14 11905 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  HSC1856  Medicago polymorpha C. S. Apperson 1967-6-26 Los Angeles Newhall Ranger Station Comment
  RSA0088598  Medicago polymorpha R. G. Swinney 2010-5-4 12547 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  UCR260352  Medicago polymorpha R. G. Swinney 2010-5-4 12547 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  RSA0084869  Melica imperfecta R. G. Swinney 2010-5-4 12556 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 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
  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
  RSA724991  Melica imperfecta K. Dobry 1991-5-13 d- 544 Los Angeles West San Gabriel Mts at Elsmere Cyn. 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
  UCR260326  Melica imperfecta R. G. Swinney 2010-5-4 12550 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  UCR260336  Melica imperfecta R. G. Swinney 2010-5-4 12556 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  RSA0087866  Melilotus indicus R. G. Swinney 2010-5-4 12567 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 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
  UCR260378  Melilotus indicus R. G. Swinney 2010-5-4 12567 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  POM145759  Mentzelia micrantha Thomas Craig 1927-6-19 470 Los Angeles Soledad Canon [canyon] Road near junction with Mint Canyon Road. 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
  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
  UCR152896  Microseris lindleyi A. C. Sanders, Helen Kennedy 2005-4-13 29419 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  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
  RSA638946  Mimulus aurantiacus Louis C. Wheeler 1967-5-15 9566 Los Angeles East of Fremont Pass 579 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
  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
  RSA15527  Mimulus aurantiacus var. pubescens Carl B. Wolf 1928-5-11 2182 Los Angeles So. base of Newhall Grade. 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
  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
  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
  UCR152900  Mirabilis laevis A. C. Sanders, Helen Kennedy 2005-4-13 29410 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  UC1484362  Monolopia lanceolata Dale E. Johnson with J. L. Strother 1974-4-24 92 Los Angeles 12.8 km (8 mi) e of I-5 (Lebec-Castaic Highway) on n side Antelope Valley Road; w Antelope Valley 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
  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
  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
  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
  RSA655749  Muilla maritima James Henrickson 2000-4-15 2068 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 Comment
  SEINET3887502  Muilla maritima Keith Dobry 1991-5-14 537 Los Angeles Elsmere Canyon, West San Gabriel Mountains.; 0 Comment
  UCR192953  Muilla maritima Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, mesa along north side of Santa Clara River, 1 km west of Sand Canyon Rd., Santa Clarita 470 Comment
  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
  UCD87403  Nassella cernua A. A. Beetle 1942-4-24 3217 Los Angeles Rt. 6, 5 miles south of Saugus. 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
  RSA709752  Nassella lepida A. C. Sanders, Helen Kennedy 2005-4-13 29447 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 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
  RSA601119  Navarretia atractyloides L. C. Wheeler 1967-6-26 9880 Los Angeles Elsmere Canyon. 441 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
  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
  SD215562  Nemophila menziesii var. integrifolia Louis C. Wheeler 1967-5-15 9588 Los Angeles San Gabriel Mountains, east side Elsmere Canyon near mouth. 456 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
  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
  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
  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
  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
  RSA681923  Oenothera californica Scott D. White, Michael Honer, Dylan Hannon 2003-7-16 9629 Los Angeles Santa Clarita Area: Santa Clara River wash, near Soledad Canyon Rd. bridge. Upstream and downstream ca. 1.5 miles. 390 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
  UCR150668  Orobanche fasciculata James Henrickson 2000-4-15 20697 5 Los Angeles c. 2 mi SE of Newhall in upper Whitney Canyon SE of jct. of San Fernando Road and State Hwy 14; upper Angeles National Forest along Whitney Canyon Road south of Whitney Canyon, c. 0.25 mi into National Forest 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
  RSA0083118  Paeonia californica R. G. Swinney 2010-3-10 11839 Los Angeles FS Road 3N59 (Santa Clara Truck Trail), west of Whitney Canyon, 0.2-0.5 mi. ESE of ride-share parking lot at Hwy 14 and Newhall Ave. 470 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
  UCR256164  Paeonia californica R. G. Swinney 2010-3-10 11839 Los Angeles San Gabriel Mountains, FS Road 3N59 (Santa Clara Truck Trail), west of Whitney Canyon, 0.2-0.5 mi. ESE of ride-share parking lot at Hwy 14 and Newhall Ave. 470 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
  UCR152884  Pectocarya anisocarpa A. C. Sanders, Helen Kennedy 2005-4-13 29442 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  UCR155597  Pectocarya recurvata A. C. Sanders, Helen Kennedy 2005-4-13 29450 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  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
  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
  CHSC26127  Penstemon centranthifolius W. Holbrook 1967-4-15 24 Los Angeles Soledad Cyn. Rd. at main Hwy. 609 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
  LA209262  Penstemon cordifolius Carl B. Wolf; 1931-7-30 2297 Los Angeles base of Newhall Grade, 1/4 mi above crossing of Los Angeles Aqueduct 457 Comment
  UCR142907  Penstemon cordifolius C. B. Wolf 1931-7-30 2297 Los Angeles Santa Susana Mtns, Base of Newhall Grade, 0.25 mi above crossing of the Los Angeles Aqueduct 457 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
  POM145740  Petalonyx thurberi subsp. thurberi Thomas Craig 1927-6-19 460 Los Angeles Soledad Canyon Road near west junction with Mint Canon Road. [canyon] Comment
  UCSC011215  Petalonyx thurberi subsp. thurberi Adam Searcy 2015-7-10 76 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River 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
  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
  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
  RSA0084499  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-4 12560 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 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
  RSA713792  Phacelia cicutaria var. hispida A. C. Sanders, Helen Kennedy 2005-4-13 29421 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  SD186241  Phacelia cicutaria var. hispida A. C. Sanders, Helen Kennedy 2005-4-13 29421 Los Angeles Santa Clarita area, lower Mint Canyon at Mint Canyon. 456 Comment
  UCR152878  Phacelia cicutaria var. hispida A. C. Sanders, Helen Kennedy 2005-4-13 29421 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  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
  UCR260349  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-4 12560 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  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
  RSA0088262  Phacelia distans R. G. Swinney 2010-3-14 11895 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 Comment
  RSA618680  Phacelia distans Louis C. Wheeler 1967-5-18 9624 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA709547  Phacelia distans A. C. Sanders, Helen Kennedy 2005-4-13 29463 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 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
  SD185238  Phacelia distans A. C. Sanders, Helen Kennedy 2005-4-13 29463 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 456 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
  UCR165244  Phacelia distans A. C. Sanders, Helen Kennedy 2005-4-13 29463 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 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
  UCR259270  Phacelia distans R. G. Swinney 2010-3-14 11895 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 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
  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
  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
  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
  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
  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
  RSA601623  Phalaris minor L. C. Wheeler 1967-6-26 9864 Los Angeles San Gabriel Mountains : Whitney Canyon, near mouth. 434 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
  RSA0084870  Pholistoma auritum R. G. Swinney 2010-5-4 12555 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  UCR260335  Pholistoma auritum R. G. Swinney 2010-5-4 12555 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  CAS-BOT-BC222562  Pholistoma auritum var. auritum Louis C. Wheeler 1967-5-15 9593 Los Angeles San Gabriel Mountains: Elsmere Canyon, near mouth 441 Comment
  RSA640457  Pholistoma auritum var. auritum Louis C. Wheeler 1967-5-15 9593 Los Angeles San Gabriel Mountains. Elsmere Canyon, near mouth. 442 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