34.20222 34.30222 -118.23694 -118.13694 UC/JEPS: Consortium Search Results
Search Results — 1936 specimen records retrieved (1936 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  GH366109  Acacia baileyana L. C. Wheeler 1969-3-16 Unknown San Gabriel Mountains: Millard Canyon T2N R12W SE1/4 sec. 32 Comment
  RSA639733  Acacia baileyana L. C. Wheeler 1969-3-16 s.n. Los Angeles San Gabriel Mountains: Millard Canyon 426 Comment
  CDA3987  Acacia dealbata L. C. Wheeler 1969-3-16 s.n. Los Angeles San Gabriel Mtns.: Middle Fork W Ravine, remote from road but near water supply tunnel. Comment
  UCR100768  Acacia dealbata L. C. Wheeler 1969-2-15 s.n. Los Angeles San Gabriel Mtns., Canyon Crest Drive, Millard Canyon 404 Comment
  UCR111671  Acacia dealbata L. C. Wheeler 1969-3-16 s.n. Los Angeles San Gabriel Mtns., Middle Fork West Ravine, remote from road but near water supply tunnel 549 Comment
  RSA600706  Acacia mearnsii L. C. Wheeler 1969-2-15 s.n. Los Angeles San Gabriel Mountains. Canyon Crest Drive, Millard Canyon. 403 Comment
  RSA632005  Acacia mearnsii L. C. Wheeler 1969-3-16 s.n. Los Angeles San Gabriel Mountains: Middle fork west ravine, remote from road but near water supply tunnel 548 Comment
  A363601  Acer macrophyllum J. G. Jack 1907-7-12 Unknown Pasadena, Millards Canon Comment
  CAS-BOT-BC331526  Acer macrophyllum Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mt. near Pasadena Comment
  CAS-BOT-BC331562  Acer macrophyllum J. H. Thomas 1957-5-11 6755 Los Angeles San Gabriel Mountains about 3 miles N of La Canada near Angeles Crest Hwy. 762 Comment
  CAS-BOT-BC331564  Acer macrophyllum Jun Hu; Weena Sangkatavat 2000-4-22 01 Los Angeles Transverse Ranges, San Gabriel Mts., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 548 Comment
  HSC2803  Acer macrophyllum C. E. Fellows 1965-8-22 119 Los Angeles 1.1 mi. N of Angeles Crest fire station on Angeles Crest Hwy. 762 Comment
  POM184685  Acer macrophyllum Joseph A. Ewan 1932-6-17 7361 Los Angeles San Gabriel Mountains. Upper Arroyo Seco. Upper Sonoran zone. Fine trees along stream with sycamores. 1098 Comment
  RSA329739  Acer macrophyllum Gary D. Wallace 1966-3-25 217 Los Angeles Millard Canyon north of Pasadena 915 Comment
  RSA394172  Acer macrophyllum L. E. Hoffman 1932-3-14 s.n. Los Angeles Millard's Canyon, Angeles National Forest [San Gabriel Mountains]. Comment
  RSA394178  Acer macrophyllum Robert Gustafson 1977-4-5 402 Los Angeles Angeles Crest Hwy, about 5 miles from the junction with Foothill Blvd. Comment
  RSA394185  Acer macrophyllum L. E. Hoffman 1933-3-23 17108 Los Angeles Millard's Canyon, San Gabriel Mts. Comment
  RSA623971  Acer macrophyllum Raymond J. Dobbs 1927-3-25 798 Los Angeles Switzer's, San Gabriel Mts. Comment
  RSA650009  Acer macrophyllum Peter Gail 1961-5-27 s.n. Los Angeles North side of canyon approx. 50 ft. off Angeles Crest Hwy, 3 miles N of Ranger Station. Comment
  RSA700382  Acer macrophyllum Tim Thibault 2003-9-21 56 Los Angeles west side of Highway 2, 1.1 miles north of entry to Angeles National Forest 735 Comment
  SD41292  Acer macrophyllum Edith A. Purer 1931-3-7 1525 Los Angeles Oakwilde [campground] Comment
Read comments
Jul 10 2010
  SEINET4068103 Image available Acer macrophyllum R. Gustafson 1977-1 402 Los Angeles Off Angeles Crest Highway, about 5 miles from the junction with Foothill Blvd., San Gabriel Mountains. Comment
  UCR104747  Acer macrophyllum David Charlton 1989-4-30 2975 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp. 1159 Comment
  UCR132296  Acer macrophyllum John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  UCR172704  Acer macrophyllum Jun Hu, Weena Sangkatavat 2000-4-22 01 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  UCR4151  Acer macrophyllum R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon 426 Comment
  UCR132940  Acer saccharinum Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  CDA28088  Achnatherum coronatum T. C. Fuller, T. Suzuki 1958-5-9 s.n. Los Angeles Millard Canyon, Cheney Trail above Altadena. 0 Comment
  POM353048  Achnatherum coronatum L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles National Forest. [San Gabriel Mountains.] Comment
  POM353051  Achnatherum coronatum L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles National Forest. [San Gabriel Mountains.] Comment
  SEINET4692060 Image available Achnatherum coronatum T. R. Van Devender 1984-1 84 -118 Los Angeles In Switzer picnic area; San Gabriel Mountains, Angeles National Forest Comment
  UC677605  Achnatherum coronatum A. A. Beetle 1942-4-18 3086 Los Angeles Angles Crest Blvd., Rt. 2 San Gabriel Mts. 914 Comment
  UCD50312  Achnatherum coronatum A. A. Beetle 1942-4-18 3086 Los Angeles Los Angeles Crest Blvd. Rocky slopes of San Gabriels Mts. 914 Comment
  RSA601562  Achnatherum diegoense L. C. Wheeler 1967-6-16 9843 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side NE of Coulter Reservoir. 640 Comment
  SFV15335  Acmispon strigosus J. C. Dittes, D. Stolp 1990-3-10 37 Los Angeles San Gabriel Mountains Alluvial sandbed of Big Tujunga River, just upstream of the flood control reservoir. 732 Comment
  SFV15350  Acmispon strigosus J. C. Dittes, D. Stolp 1990-4-1 68 Los Angeles San Gabriel Mountains Big Tujunga Canyon, Vogel Flats. 550 Comment
  RSA18525  Acourtia microcephala Carl B. Wolf 1927-7-24 673 Los Angeles 1/2 mile east of Montrose Comment
  SBBG66263  Acourtia microcephala M. N. Ackley -Apr-1929 Los Angeles La Crescenta 457 Comment
  A345399  Adenostoma fasciculatum J. G. Jack 1907-7-13 Unknown Pasadena, Las Casetas Canon Comment
  CAS-BOT-BC133174  Adenostoma fasciculatum Geo. L. Moxley 1927-5-1 2035 Los Angeles Wash at La Crescenta Comment
  CDA25689  Adenostoma fasciculatum T. C. Fuller, T. Suzuki 1958-5-9 s.n. Los Angeles Millard Canyon, Cheney Trail above Altadena. 0 Comment
  RSA657350  Adenostoma fasciculatum J. Stephens 1980-6-1 33 Los Angeles Verdugo Mountains Region: At foot of chaparral covered hillside, northeast of Maurice Ave., La Crescenta. 747 Comment
  SFV16228  Adenostoma fasciculatum P. A. Krueger 1994-5-18 52 Los Angeles San Gabriel Mountains 0.2 miles south on Chaney Trail from Millard Campground. 550 Comment
  UCR103759  Adenostoma fasciculatum David Charlton 1989-4-30 3000 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway c. 2.5 mi. (airline) north of the southern boundary of the Angeles National Forest, c. 1.25 mi. west of Lower Switzer Campground 1311 Comment
  RSA390484  Adenostoma fasciculatum var. fasciculatum L. E. Hoffman 1926-3-18 s.n. Los Angeles Arroyo Seco Canyon Comment
  RSA390487  Adenostoma fasciculatum var. fasciculatum L. E. Hoffman 1931-11-9 s.n. Los Angeles San Gabriel Mountains: Millards Canyon, Angeles National Forest. Comment
  RSA390562  Adenostoma fasciculatum var. fasciculatum Fordyce Griffiths Jr. 1910-06 s.n. Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA390567  Adenostoma fasciculatum var. fasciculatum Fordyce Griffiths Jr. 1910-06 s.n. Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA660208  Adenostoma fasciculatum var. fasciculatum Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 25 Los Angeles 5.5 miles past the Pasadena city limits on the way towards mount Wilson on Angeles Crest Highway. Turn off on right as one goes up the hill. Comment
  RSA250344  Adenostoma sparsifolium Robert F. Thorne, Larry E. DeBuhr 1972-8-18 42233 Los Angeles Near top of steep roadbank where Angeles Crest Hwy crosses head of Canyon c. 2 miles W of Clear Creek Sta. at jct with Angeles Forest Hwy 915 Comment
  SD90407  Adenostoma sparsifolium Robert F. Thorne, Larry DeBuhr 1972-8-18 42233 Los Angeles San Gabriel Mts., Angeles National Forest: neartop of steep roadbank where Angeles Crest Hwy crosses head of canyon c. 2 miles W of Clear Creek Sta. at jct with Angeles Forest Hwy 914 Comment
  UC1409133  Adenostoma sparsifolium R. F. Thorne and Larry DeBuhr 1972-8-18 42233 Los Angeles ca. 2 mi. w. Clear Creek Station (near top of steep raodbank where Angeles Crest Hwy. crosses head of canyon, at junction with Angeles Forest Hwy.); San Gabriel Mts., Angeles Nat'l Forest 914 Comment
  CAS-BOT-BC65569  Adiantum capillus-veneris Parish 1904-6-17 6292 Los Angeles Arroyo Seco Canyon Comment
  UC185222  Adiantum capillus-veneris Geo. B. Grant 1904-6-17 24 Los Angeles Arroyo Seco Canyon Comment
  RSA142664  Aesculus californica Wesley O. Griesel 1961-5-20 s.n. Los Angeles Millard Canyon 610 Comment
  RSA607514  Aesculus californica Louis C. Wheeler 1973-6-20 s.n. Los Angeles San Gabriel Mountains: Chaney Trail, south side Sunset Ridge, by Millard Canyon. Comment
  SD230241  Aesculus californica Louis C. Wheeler 1973-6-20 Los Angeles San Gabriel Mountains: Chaney Trail, south side Sunset Ridge, by Millard Canyon. Comment
  SFV16227  Aesculus californica P. A. Krueger 1994-5-18 50 Los Angeles San Gabriel Mountains 0.1 miles north on Mount Lowe Truck Trail from Chaney Trail. 700 Comment
  UCR102382  Aesculus californica L. C. Wheeler 1973-6-20 s.n. Los Angeles San Gabriel Mtns, Chaney Trail, south side Sunset Ridge, by Millard Canyon 555 Comment
  UCR261561  Aesculus californica Richard Minnich 2015-5-28 s.n. Los Angeles San Gabriel Mountains, Altadena, at base of mountains along Cheney Trail just below a ridge dividing a south-facing slope descending to Altadena from a north-facing slope of Millard Canyon 610 Comment
  RSA703505  Ageratina adenophora Scott D. White 2004-9-3 10746 Los Angeles San Gabriel Mountains: Grizzly Flat,' ca. 1 air mile N of Angeles Crest Hwy and ca. 1 air mi S of Big Tujunga Cyn. Rd. 732 Comment
  RSA747739  Ageratina adenophora Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12692 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  RSA765312  Ageratina adenophora Doris Bowers 1957-3-24 936 Los Angeles Millard's Canyon N/o Altadena 1220 Comment
  UCR109685  Ageratina adenophora R. D. Goeden, Don W. Ricker 1968-4-11 s.n. Los Angeles San Gabriel Mtns., Millard Canyon Campground, Altadena 610 Comment
  UCR136836  Ageratina adenophora John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR207542  Ageratina adenophora O. F. Clarke 2004-4-27 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  UCR213790  Ageratina adenophora Scott D. White, Justin M. Wood, Chris Huntley, Jamie Miner 2009-5-12 12692 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  CAS-BOT-BC14787  Agoseris retrorsa Wesley O. Griesel 1962-5-1 s.n. Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mountains 914 Comment
  CHSC35181  Agoseris retrorsa James Henrickson 1973-5-12 9575 Los Angeles Ca 6 (air) miles NE of La Canada, 3.1 (rd) miles N of N3, off Angeles Crest Hwy. San Gabriel Mts. 1036 Comment
  RSA607826  Agrostis exarata L. C. Wheeler 1947-6-8 6515 Los Angeles San Gabriel Mountains: Millard Canyon. Comment
  CAS-BOT-BC139056  Agrostis pallens Geo. B. Grant 1904-6-17 s.n. Los Angeles Arroyo Seco Canyon. Comment
  UCR2550  Agrostis pallens F. M. Reed 1925-5-18 5135 Los Angeles La Canyada [La Canada] 396 Comment
  UCR136835  Agrostis viridis John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR114217  Allophyllum A. C. Sanders, D. Malueg 1998-6-24 22065 Los Angeles San Gabriel Mtns., E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Cyn. Rd., ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  CHSC35460  Allophyllum divaricatum James Henrickson 1973-5-12 9570 a Los Angeles 5.4 (rd) miles N of La Canada along Angeles Crest Hwy (2), in roadside. 853 Comment
  RSA152098  Allophyllum divaricatum Wesley O. Griesel 1962-5-25 s.n. Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mtns. 915 Comment
  RSA410053  Allophyllum divaricatum Albert J. Perkins 1920-5-29 s.n. Los Angeles Arroyo Seco. Comment
  RSA802350  Allophyllum divaricatum Orlando Mistretta, Cher Batchelor 2011-7-27 5985 Los Angeles Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31. 975 Comment
  UCSB33297  Allophyllum divaricatum Griesel, Wesley 1962-5-25 Los Angeles Switzers Inlet, Upper Arroyo Seco San Gabriel Mts. 914 Comment
  LA210334  Allophyllum glutinosum S. B. Parish; May 1926 Los Angeles Pasadena, Arroyo Seco Comment
  CAS-BOT-BC170972  Alnus rhombifolia Lewis S. Rose 1935-12-26 34503 Los Angeles Arroyo Seco, Altadena Comment
  CAS-BOT-BC170977  Alnus rhombifolia Fordyce Grinnell 1903-12-22 29 Los Angeles Arroyo Seco Canon [canyon], near Pasadena Comment
  CAS-BOT-BC170978  Alnus rhombifolia Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles near Pasadena, San Gabriel Mts. Comment
  CAS-BOT-BC170981  Alnus rhombifolia Geo. B. Grant 1901-6-1 36 Los Angeles Pasadena Cal. South Central part of California 1524 Comment
  CAS-BOT-BC171433  Alnus rhombifolia George B. Grant 1901-1-1 36 Unknown Arroyo Seco Canyon. So. Cal. 152 Comment
Read comments
Mar 24 2019
  HSC3406  Alnus rhombifolia C. E. Fellows 1965-8-22 117 Los Angeles Big Tujunga Canyon, end of Stonyvale Rd. Comment
  RSA329732  Alnus rhombifolia Gary D. Wallace 1966-3-25 214 Los Angeles San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena 915 Comment
  RSA452779  Alnus rhombifolia Geo C. Johnstone 1927-10-30 15739 Los Angeles Arroyo Seco Canyon above Switzer's Comment
  RSA452785  Alnus rhombifolia Anstruther Davidson 1891-06 s.n. Los Angeles Millards Canyon Comment
  RSA603197  Alnus rhombifolia L. C. Wheeler 1972-12-21 12792 Los Angeles San Gabriel Mountains: Millard Canyon, ca. 200 yards upstream from Southern California Edison Co. high tension line. 526 Comment
  SD41258  Alnus rhombifolia Edith A. Purer 1931-3-7 1526 Los Angeles Oakwilde Comment
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Jul 10 2010
  UC56683  Alnus rhombifolia Ernest Braunton 1903-1-10 788 Los Angeles Arroyo Seco Comment
  UCR104745  Alnus rhombifolia David Charlton 1989-4-30 2999 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp. 1159 Comment
  UCR208346  Alnus rhombifolia O. F. Clarke 2004-7-11 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  RSA0110813  Amaranthus albus R. G. Swinney 2011-10-18 15821 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  UCR273222  Amaranthus albus R. G. Swinney 2011-10-18 15821 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
Read comments
Aug 24 2017
  RSA0106485  Ambrosia acanthicarpa R. G. Swinney 2011-10-18 15822 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  UCR273225  Ambrosia acanthicarpa R. G. Swinney 2011-10-18 15822 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  UCSB27676  Ambrosia acanthicarpa Lavinger, S. 1975-10-6 Los Angeles On Los Angeles Crest Highway, 0.3 miles north of Angeles Crest Ranger Station; San Gabriel Mountains 762 Comment
  RSA702436  Amorpha californica Scott D. White 2004-7-28 10656 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  SEINET895797 Image available Amorpha californica George B. Grant 1901-1 39 Unknown Pasedena. Southern California Comment
Read comments
Jan 5 2015
  CAS-BOT-BC180646  Amorpha californica var. californica R. J. Dobbs 1927-6-22 s.n. Los Angeles Near Waterman, San Gabriel Mts. 975 Comment
  JEPS20068  Amorpha californica var. californica Dr. R. J. Dobbs 1927-6-22 7683 Los Angeles near Waterman's; San Gabriel Mts., Arroyo Seco 1005 Comment
  POM184688  Amorpha californica var. californica Joseph A. Ewan 1932-6-18 7355 Los Angeles Clear Creek fork of Tujunga Canyon 854 Comment
  RSA465138  Anagallis arvensis L. E. Hoffman 1929-6-8 s.n. Los Angeles Arroyo Seco, Angeles National Forest Comment
  UCR95315  Anagallis arvensis L. C. Wheeler 1967-5-7 9284 Los Angeles San Gabriel Mtns, vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon, north side of Sunset Ridge, northeast of reservoir 625 Comment
  CAS-BOT-BC137847  Andropogon glomeratus var. glomeratus John Thomas Howell 1928-2-18 3346 Los Angeles San Gabriel Mountains. On trail to Switer'z. Arroyo Seco. Comment
  CHSC100182  Andropogon glomeratus var. scabriglumis John Dittes; Josephine Guardino 2006-12-11 1439 Los Angeles Western Tranverse Ranges; San Gabriel Mountains; Big Tujunga Canyon; ca.1.8 air miles SW of Big Tujunga Dam, ca. 1.6 air miles NE of Mt. Lukens, ca. 0.9 air mile SE of Big Tujunga USFS Station; on active floodplain at edge of Big Tujunga Creek. Also observed on seep along the road to Vogel Flats, and at scattered moist sites along north edge of Big Tujunga Canyon Road to the west. 598 Comment
  JEPS117935  Andropogon glomeratus var. scabriglumis John Dittes, Josephine Guardino 2006-12-11 1439 Los Angeles Big Tujunga Canyon ca. 1.8 air miles SW of Big Tujunga Dam, ca. 1.6 air miles NE of Mt. Lukens ca. 0.9 air mile SE of Big Tujunga USFS Station San Gabriel Mountains 598 Comment
  RSA600681  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1967-12-10 s.n. Los Angeles San Gabriel Mountains: Fern Canyon, off Arroyo Seco at Brown Mountain Road. 701 Comment
  RSA86715  Andropogon glomeratus var. scabriglumis F. W. Peirson 1926-3-20 6517 Los Angeles Arroyo Seco, near Altadena. Alt. 2500 ft. 762 Comment
  SD230130  Andropogon glomeratus var. scabriglumis Louis C. Wheeler 1972-4-9 Los Angeles San Gabriel Mountains: Arroyo Seco, Angeles Crest Highway ca. 1/4 mile ESE Colby Canyon. South-facing, moist crevices in cliff, full sun. 1096 Comment
  UC2026509  Andropogon glomeratus var. scabriglumis Louis C. Wheeler 1972-4-9 s. n. Los Angeles SAN GABRIEL MOUNTAINS: Arroyo Seco, Angeles Crest High way ca. 1/4 miles ESE Colby Canyon. Comment
  UCR142741  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1972-4-9 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains: Arroyo Seco, Angeles Crest Highway c. 0.25 mile ESE Colby Canyon 1098 Comment
  UCR132937  Anthemis cotula Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  UCR136837  Anthemis cotula John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  RSA747735  Anthriscus caucalis Scott D. White, J. Wood, J. Miner 2009-5-12 12697 Los Angeles Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCR213788  Anthriscus caucalis Scott D. White, Justin M. Wood, Jamie Miner 2009-5-12 12697 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  UCSB33679  Antirrhinum coulterianum Miller, Brian 1960-7-14 Los Angeles Switzer's Inlet; San Gabriel Mountains 914 Comment
  POM354860  Antirrhinum multiflorum Fordyce Griffiths Jr. 1910-6-20 3374 Los Angeles Head of Long Canyon, San Gabriel Mts. 1296 Comment
  POM354862  Antirrhinum multiflorum G. R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  POM354868  Antirrhinum multiflorum L. E. Hoffman 1927-08 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  POM354870  Antirrhinum multiflorum Geo. L. Moxley 1915-7-4 s.n. Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  RSA653046  Antirrhinum multiflorum A. C. Sanders, D. Malueg 1998-6-24 22056 Los Angeles San Gabriel Mtns.: CCC Ridge, off Hwy 2 just N of Pasadena city limit, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  RSA703502  Antirrhinum multiflorum Scott D. White 2004-7-28 10665 Los Angeles San Gabriel Mountains: Clear Creek area. In and around 'The Pines' picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  RSA80434  Antirrhinum multiflorum F. W. Peirson 1924-5-26 4643 Los Angeles Trail to Switzers Camp, San Gabriel Mts 930 Comment
  SBBG119070  Antirrhinum multiflorum S. D. White 2004-7-28 10665 Los Angeles Clear Crk area, "The Pines" picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jct with Angeles Crest Hwy (Condor Pk: T2N R12W S8) 976 Comment
  SBBG83200  Antirrhinum multiflorum M. N. Ackley 1927-6-5 1014 Los Angeles trail to Switzerland Comment
  UCR114185  Antirrhinum multiflorum A. C. Sanders, D. Malueg 1998-6-24 22056 Los Angeles San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  UCR133572  Antirrhinum multiflorum Fordyce Grinnell Jr. 1910-1 s.n. Los Angeles San Gabriel Mountains, [near George's Gap] head of Long Canyon 1098 Comment
  UCR146490  Antirrhinum multiflorum Scott D. White 2004-7-28 10665 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  RSA344355  Aquilegia Hill Penfold s.n. Los Angeles Clear Creek Outdoor Educational Classroom San Gabriel Mountains. Comment
  POM366912  Aquilegia formosa Anstruther Davidson 1893-6-12 1923 Los Angeles Switzer's Trail. Comment
  UCR124968  Aquilegia formosa Geo. L. Moxley 1915-7-4 360 Los Angeles San Gabriel Mtns., Arroyo Seco Canyon 1000 Comment
  RSA0128853  Arabis sparsiflora Wayne Law, Jun Hu 2000-4-30 08 Los Angeles Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 518 Comment
  UCR172774  Arabis sparsiflora Wayne Law, Jun Hu 2000-4-30 08 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  CHSC3737  Arctostaphylos glandulosa Sue Boerqadine 1966-5-26 Los Angeles Switzer's Camp. 762 Comment
  RSA626704  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20185 Los Angeles Angeles Crest Highway, above Switzers. 1070 Comment
  RSA626707  Arctostaphylos glandulosa Raymond J. Dobbs 1927-5-21 936 Los Angeles Near Waterman Station. 1037 Comment
  RSA626710  Arctostaphylos glandulosa Raymond J. Dobbs 1924-4-30 934 Los Angeles 1/2 mile below Switzers. Comment
  RSA626712  Arctostaphylos glandulosa Jon E. Keeley 1982-7-29 7798 Los Angeles Study site off Angeles Crest Highway, above Switzers Campground. Comment
  RSA626713  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20199 Los Angeles Angeles Crest Highway, above Switzers. 1070 Comment
  RSA626714  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20207 Los Angeles Angeles Crest Highway, above Switzers. 1070 Comment
  RSA626715  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20209 Los Angeles Angeles Crest Highway, above Switzers. 1070 Comment
  RSA626758  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-5-27 22821 Los Angeles Slope north of Switzer's, adjacent to Angeles Crest Highway. 1000 Comment
  RSA626786  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20196 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA626788  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20186 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA626789  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20203 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA626790  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20179 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA626791  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20191 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA626815  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20198 Los Angeles Angeles Crest Highway, above Switzers. 1070 Comment
  RSA626816  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20208 Los Angeles Angeles Crest Highway, above Switzers. 1070 Comment
  UCR146491  Arctostaphylos glandulosa Scott D. White 2004-7-27 10629 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  RSA626783  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley, Allen Massihi 1992-8-20 20210 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  SBBG119062  Arctostaphylos glandulosa subsp. glandulosa S. D. White 2004-7-27 10629 Los Angeles Clear Crk area, S side of Angeles Forest Hwy, ca. 0.2 mi W of jct with Angeles Crest Hwy; T2N R12W S8 1067 Comment
  UCD56653  Arctostaphylos glandulosa subsp. glaucomollis Louis C. Wheeler 1967-6-16 9859 Los Angeles San Gabriel Mountains. North side of Sunset Ridge under power line. 595 Comment
  CAS-BOT-BC23068  Arctostaphylos glandulosa subsp. mollis Walter Knight; Irja Knight 1986-11-26 6308 Los Angeles San Gabriel Mountains: 1.3 miles below Clear Creek Campground (en route to la Canada Flintridge) Comment
  CAS-BOT-BC24693  Arctostaphylos glandulosa subsp. mollis John Thomas Howell 1928-2-18 3347 Los Angeles On trail to Switzer's, Arroyo Seco, San Gabriel Mts. Comment
  RSA601621  Arctostaphylos glandulosa subsp. mollis L. C. Wheeler 1967-6-16 9859 Los Angeles San Gabriel Mountains: North side of Sunset Ridge under power line. 595 Comment
  RSA626698  Arctostaphylos glandulosa subsp. mollis Allen Massihi, Jon E. Keeley 1992-6-23 15663 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1300 Comment
  RSA626716  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-6-18 15601 Los Angeles Clear Creek Vista on Angeles Crest Hwy. San Gabriel Mtns. 1130 Comment
  RSA626717  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-6-18 15600 Los Angeles Clear Creek Vista on Angeles Crest Hwy. San Gabriel Mtns. 1130 Comment
  RSA626718  Arctostaphylos glandulosa subsp. mollis Allen Massihi, Jon E. Keeley 1992-6-23 15641 Los Angeles Clear Creek Vista, Angeles Crest Highway. 1130 Comment
  RSA626782  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20205 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA626784  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20214 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA626785  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20194 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA626787  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20197 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA626792  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20184 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA626793  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20193 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA626814  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20183 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA626817  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20206 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA660777  Arctostaphylos glandulosa subsp. mollis Jeff Weiler 1981-4-26 35 Los Angeles La Canada, Earl Canyon Motorway. Trailhead: NW side of Palm Dr., .3 mi. N of intersection with Fairmount Ave. Comment
  RSA702823  Arctostaphylos glandulosa subsp. mollis Scott D. White 2004-7-27 10629 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  RSA706430  Arctostaphylos glandulosa subsp. mollis Tim Thibault, K. E. Olshewsky 2004-5-22 278 Los Angeles fire road off Hwy. 2 910 Comment
  UC421663  Arctostaphylos glandulosa subsp. mollis John Thomas Howell 1928-2-18 3347 Los Angeles Arroyo Seco San Gabriel Mountains Comment
  UCSB4723  Arctostaphylos glandulosa subsp. mollis Sage, Paul 1958-2-21 Los Angeles On ridge 0.2 mi. below reservoir above Millard Canyon, 100 yards NW of Chainy Trail, Altadena 762 Comment
  UCSB4773  Arctostaphylos glandulosa subsp. mollis Decker, Helen 1946-4-14 Los Angeles Arroyo Seco Canyon near Switzer's Camp 1036 Comment
  UCSB4775  Arctostaphylos glandulosa subsp. mollis Decker, Helen 1946-4-14 Los Angeles South slope of Arroyo Seco Canyon Switzer's Camp, Arroyo Seco Canyon, San Gabriel Mountains 1036 Comment
  CAS-BOT-BC39331  Arctostaphylos glauca Fordyce Grinnell 1903-12-22 32 Los Angeles Arroyo Seco Canyon, near Pasadena Comment
  CAS-BOT-BC39332  Arctostaphylos glauca Fordyce Grinnell 1903-12-22 37 Los Angeles Arroyo Seco Canyon, near Pasadena Comment
  CAS-BOT-BC39336  Arctostaphylos glauca LeRoy Abrams 1901-4-7 1421 Los Angeles La Canada Comment
  CAS-BOT-BC39340  Arctostaphylos glauca John H. Thomas 1957-3-7 6492 Los Angeles South slope of San Gabriel Mts., near State Highway #2, Angeles Crest Highway, about 3.5 miles north of La Canada. 914 Comment
  RSA367290  Arctostaphylos glauca Elbert Benjamine 1929-2-10 8454 Los Angeles Arroyo Seco, above Pasadena 914 Comment
  RSA367299  Arctostaphylos glauca L. E. Hoffman 1931-9-25 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest: Dark Canyon. Comment
  RSA367377  Arctostaphylos glauca Fordyce Grinnell Jr. 1910-6-20 2821 Los Angeles Long Canyon 1067 Comment
  RSA631464  Arctostaphylos glauca Jon E. Keeley 1992-6-18 15608 Los Angeles Tujunga Canyon, 5 km west of Angeles Forest Highway. 600 Comment
  RSA631495  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20190 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631514  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15664 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1100 Comment
  RSA631516  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15668 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1100 Comment
  RSA631517  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15665 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1100 Comment
  RSA631518  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15653 Los Angeles Angeles Forest Highway, 1 km north of Big Tujunga Canyon turnoff. 1050 Comment
  RSA631519  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15667 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1100 Comment
  RSA631520  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15655 Los Angeles Angeles Forest Highway, 1 km north of Big Tujunga Canyon turnoff. 1050 Comment
  RSA631521  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15654 Los Angeles Angeles Forest Highway, 1 km north of Big Tujunga Canyon turnoff. 1050 Comment
  RSA631522  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15658 Los Angeles Angeles Forest Highway, 1 km north of Big Tujunga Canyon turnoff. 1050 Comment
  RSA631523  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15657 Los Angeles Angeles Forest Highway, 1 km north of Big Tujunga Canyon turnoff. 1050 Comment
  RSA631524  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15661 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1100 Comment
  RSA631525  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15659 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1100 Comment
  RSA631526  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15656 Los Angeles Angeles Forest Highway, 1 km north of Big Tujunga Canyon turnoff. 1050 Comment
  RSA631544  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20181 a Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631545  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20188 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631609  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15642 Los Angeles Clear Creek Vista, Angeles Crest Highway. 1130 Comment
  RSA631616  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15666 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1100 Comment
  RSA631617  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15662 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1100 Comment
  RSA631619  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15660 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1100 Comment
  RSA631625  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20192 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631651  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20187 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631653  Arctostaphylos glauca Jon E. Keeley 1982-7-29 7797 Los Angeles Study site off Angeles Crest Highway, above Switzers Campground. Comment
  RSA631660  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20182 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631661  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20180 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631662  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20206 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631663  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20204 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631664  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20202 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631672  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20178 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631673  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20213 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631686  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-5-27 22820 Los Angeles Slope north of Switzer's, adjacent to Angeles Crest Highway. 1000 Comment
  RSA631691  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20195 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631692  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20189 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631695  Arctostaphylos glauca Raymond J. Dobbs 1927-2-3 938 Los Angeles Switzers. 945 Comment
  RSA631697  Arctostaphylos glauca Raymond J. Dobbs 1924-4-30 937 Los Angeles 1/2 mile below Switzers. Comment
  RSA632596  Arctostaphylos glauca Jon E. Keeley 1982-7-18 7800 Los Angeles Study site off Angeles Crest Highway, above Switzers Campground, recently cleared. Comment
  RSA632597  Arctostaphylos glauca Jon E. Keeley 1982-7-18 7799 Los Angeles Study site off Angeles Crest Highway, above Switzers Campground, recently cleared. Comment
  RSA651552  Arctostaphylos glauca Claude T. Powers 1949-01 s.n. Los Angeles In original spot but now an ornamental. 5050 Angeles Crest. La Canada. 512 Comment
  RSA706404  Arctostaphylos glauca Tim Thibault, K. E. Olshewsky 2004-5-22 277 Los Angeles fire road off Hwy. 2 910 Comment
  UC56685  Arctostaphylos glauca Ernest Braunton 1903-1-10 790 Los Angeles Arroyo Seco Comment
  UCR104746  Arctostaphylos glauca David Charlton 1989-4-30 2977 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp. 1159 Comment
  UCSB4736  Arctostaphylos glauca Wilson, Richard 1958-5-10 Los Angeles 6 miles N of Foothill Blvd. on Angeles Crest Highway, San Gabriel Highway 914 Comment
  POM50326  Arctostaphylos glauca var. glauca Fordyce Grinnell Jr. 1903-12-22 32 Los Angeles Arroyo Seco Canyon Comment
  HSC12675  Arctostaphylos mewukka Wendell Wood 1970-6-24 51 Los Angeles Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  CAS-BOT-BC44356  Arctostaphylos pringlei subsp. drupacea George B. Grant 1901-1-1 10651 Los Angeles Pasadena, Mt. Loma Comment
  RSA636853  Arctostaphylos tomentosa Raymond J. Dobbs 943 Los Angeles 1 1/2 miles above Switzer on Tujunga Trail, San Gabriel Mountains. Comment
  UCR27038  Arenaria macradenia T. P. Krantz 1980-7-2 s.n. Los Angeles San Gabriel Mtns., east of Mt. Gleason 1768 Comment
  RSA434285  Argemone corymbosa K. C. Zakar 1969-07 s.n. Los Angeles Switzer's Camp, Angeles Crest Hwy, ca. 10 miles north of La Canada, San Gabriel Mtns. 1524 Comment
  RSA565757  Artemisia biennis Mike Hammitt, Jason Rick 1991-6-25 s.n. Los Angeles Arroyo Seco Canyon; ca. half-way between the debris dam and Oakwilde Picnic Area along Gabrielino Trail 548 Comment
  CAS-BOT-BC90341  Artemisia douglasiana Wesley O. Griesel 1961-9-2 s.n. Los Angeles Switzers Camp, San Gabriel Mts. 762 Comment
  RSA0103475  Artemisia douglasiana R. G. Swinney 2011-10-18 15810 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1021 Comment
  UCR132943  Artemisia douglasiana Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  UCR273263  Artemisia douglasiana R. G. Swinney 2011-10-18 15810 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  CAS-BOT-BC93829  Artemisia dracunculus Fordyce Grinnell 1903-12-22 30 Los Angeles Arroyo Seco Canyon [Canon] near Pasadena Comment
  RSA0106497  Artemisia dracunculus R. G. Swinney 2011-10-18 15833 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  UCR273217  Artemisia dracunculus R. G. Swinney 2011-10-18 15833 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  RSA599735  Arundo donax L. C. Wheeler 1967-12-5 s.n. Los Angeles San Gabriel Mountains: West Ravine, near La Vina. Comment
  RSA599736  Arundo donax L. C. Wheeler 1967-11-24 s.n. Los Angeles San Gabriel Mountains: Millard Canyon at Canyon Crest Road. 412 Comment
  RSA738072  Asclepias eriocarpa Bill Duval s.n. Los Angeles Montrose Comment
  CAS-BOT-BC68854  Aspidotis californica Ethel, Miss Graves 1900-3-1 s.n. Los Angeles Millards Canyon Comment
  JEPS340  Asplenium vespertinum A. J. McClatchie Mar. 1894 Los Angeles Pasadena, Millard's Canyon Comment
  UC42282  Asplenium vespertinum A. J. McClatchie March 1894 Los Angeles near Pasadena; Millard's Canyon Comment
  GH386735  Aster greatae F. Grinnell, Jr. 1908-10-8 Unknown Switzer Camp, San Gabriel Mts. 914 Comment
  GH386736  Aster greatae F. Grinnell, Jr. 1908-10-8 Unknown Switzer Camp, San Gabriel Mts. 914 Comment
  GH386737  Aster greatae L. E. Hoffman 1931-9-25 Unknown Dark Canyon, San Gabriel Mts. Comment
  POM21166  Aster greatae Fordyce Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena; San Gabriel Mts. Comment
  POM324421  Aster greatae Peter H. Raven, W. O. Griesel 1961-10-13 16842 Los Angeles Upper Arroyo Seco, above Switzer's Camp 762 Comment
  RSA0115952  Aster greatae D. E. Bramlet 2011-8-26 4943 Los Angeles San Gabriel Mountains: Big Tujunga Canyon, near Big Tujunga Reservoir. 662 Comment
  RSA144635  Aster greatae Wesley O. Griesel 1961-9-2 s.n. Los Angeles Switzers Camp, Upper Arroyo Seco 762 Comment
  RSA144636  Aster greatae Wesley O. Griesel 1961-9-2 s.n. Los Angeles Switzers Camp, Upper Arroyo Seco 762 Comment
  RSA417668  Aster greatae L. E. Hoffman 1931-9-25 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest: Dark Canyon. Comment
  RSA417669  Aster greatae L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  RSA417671  Aster greatae Fordyce Grinnell Jr. 1915-9-4 3119 Los Angeles Above Arroyo Seco-West Fork Divide. Comment
  RSA417673  Aster greatae Albert J. Perkins 1915-10-31 s.n. Los Angeles Clear Creek Trail; San Gabriel Mts. Comment
  RSA565750  Aster greatae Mike Hammitt, Jason Rick 1991-6-25 s.n. Los Angeles mouth of Pine Canyon at its confluence with Arroyo Seco Canyon Comment
  UCR142533  Aster greatae P. H. Raven, Wesley O. Griesel 1970-10-13 16842 Los Angeles San Gabriel Mtns., Upper Arroyo Seco, about 200 yards above Switzers Camp 762 Comment
  UCR146502  Aster greatae Scott D. White 2004-7-28 10650 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  UCR275491  Aster greatae D. E. Bramlet 2011-8-26 4943 Los Angeles San Gabriel Mountains, Big Tujunga Canyon, near Big Tujunga Reservoir 662 Comment
  RSA702821  Atriplex canescens Scott D. White 2004-7-27 10622 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  UCR146684  Atriplex canescens Scott D. White 2004-7-27 10622 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  UCR119118  Avena barbata David Charlton 1989-4-30 2936 Los Angeles San Gabriel Mtns., Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  RSA660749  Avena fatua Jeff Weiler 1981-4-4 3 Los Angeles Edison right of way between Foothills Blvd. and Olive Lane. Adjacent to Indian Ave. In La Canada. Comment
  UCR103755  Avena fatua David Charlton 1989-4-30 2936 Los Angeles San Gabriel Mtns., Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  CHSC100226  Azolla John Dittes; Josephine Guardino 2006-12-11 1439 A Los Angeles Western Transverse Ranges; San Gabriel Mountains; Big Tujunga Canyon; ca. 1.8 air-miles SW of Big Tujunga Dam, ca. 1.6 air-miles NE of Mt. Lukens, ca. 0.9 air-mile SE of Big Tujunga USFS Station; in shallow water and in wet sand at edge of Big Tujunga Creek. 598 Comment
  RSA599732  Baccharis pilularis L. C. Wheeler 1967-12-10 s.n. Los Angeles San Gabriel Mountains: Pine Canyon, off Arroyo Seco 694 Comment
  RSA601711  Baccharis pilularis L. C. Wheeler 1967-10-23 s.n. Los Angeles San Gabriel Mountains: Angeles Crest Highway at Twin Canyon (7 1/2'' topo map Pasadena: Slide Canyon on bridge) 808 Comment
  GH386807  Baccharis pilularis subsp. consanguinea L. C. Wheeler 1967-12-10 Unknown San Gabriel Mountains: Pine Canyon, off Arroyo Seco. T2N R32W NW1/4 sec. 29, just below Brown Mountain Road 693 Comment
  CHSC25950  Baccharis salicifolia James Henrickson 1972-3-17 7179 Los Angeles 5 road miles along Angeles Crest Hwy 5, NE of La Canada in San Gabriel Mts. 822 Comment
  HSC24843  Baccharis salicifolia James Henrickson 1972-3-17 7179 Los Angeles 5 road miles along Angeles Crest Hwy. 5, NE of La Canada in San Gabriel Mtns. 823 Comment
  LA203018  Baccharis salicifolia M. Zaitlin; 1951-3-17 Los Angeles San Gabriel Mountains, Angeles Crest Highway S side 761 Comment
  OBI26286  Baccharis salicifolia Mark Schneider 1973-5-12 27 Los Angeles Vogel Flats, Big Tujunga Canyon 792 Comment
  POM304856  Baccharis salicifolia Henry J. Ramsey, Henry J. Ramsey 1937-9-2 232 Los Angeles 2 miles below Mt. Wilson. 1524 Comment
  POM350351  Baccharis salicifolia H. Wells 1968-3-17 11 Los Angeles 4 Miles north-northeast junction of State Hwy. 118 and State Hwy 2 762 Comment
  RSA329723  Baccharis salicifolia Gary D. Wallace 1966-3-25 226 Los Angeles San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena 915 Comment
  SEINET774602  Baccharis salicifolia T. Reeves, S. Jordan 1975-5-18 R- 2646 Los Angeles San Gabriel Mts., 0.9mi NE of La Canada on Hwy 2 Comment
  UCR4154  Baccharis salicifolia R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon 426 Comment
  UCSB12932  Baccharis salicifolia Suter, Richard 1961-3-30 Los Angeles On west bank of Devil's Gate Dam reservoir, 0.5 miles north of Devil's Gate Dam north of Pasadena 274 Comment
  UCSB6384  Baccharis salicifolia Kamb, Peter 1848-1-10 Los Angeles Upper Sonoran Zone, Millard's Canyon, San Gabriel Mts. 670 Comment
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Jan 29 2017
  JEPS40679  Baccharis salicifolia subsp. salicifolia Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  UC166762  Baccharis salicifolia subsp. salicifolia Geo. B. Grant 1904-5-5 97 Los Angeles Arroyo Seco Canyon San Gabriel Mts., Arroyo Seco Canyon 609 Comment
  CAS-BOT-BC75758  Berberis nevinii Margaret Stason; John Thomas Howell 1927-3-22 s.n. Los Angeles Pasadena. At the Devil's Gate in the Arroyo Seco. Comment
  JEPS52981  Berberis nevinii Frank W. Peirson 1920-3-28 646 Los Angeles 1/2 way from food of mts to Devil's Gate Arroyo Seco; San Gabriel Mts 335 Comment
  PASA1272  Berberis nevinii Frank W. Peirson 1920-3-28 Los Angeles Arroyo Seco 335 Comment
  RSA435910  Berberis nevinii F. W. Peirson 1921-3-3 s.n. Los Angeles Near stream, Arroyo Seco 335 Comment
  RSA85318  Berberis nevinii F. W. Peirson 1920-3-28 646 Los Angeles About halfway between Devil's Gate and the mountains, Arroyo Seco, west of Altadena 335 Comment
  CAS-BOT-BC75812  Berberis pinnata Fordyce Grinnell 1904-7-4 18 Los Angeles Switzers Trail Arroyo Seco Canon [Canyon], Sierra Madre Mountains. Comment
  CAS-BOT-BC75813  Berberis pinnata F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp. San Gabriel Mountains. 914 Comment
  CAS-BOT-BC75816  Berberis pinnata Fordyce Grinnell 1916-3-18 s.n. Los Angeles Switzers Camp. San Gabriel Mountains. Comment
  UCR132312  Bidens pilosa John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  UCR136841  Bidens pilosa John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  CDA3997  Bituminaria bituminosa T. C. Fuller 1963-4-25 10298 Los Angeles San Gabriel Mountains: Brown Mountain, 0.5 mile northwest above Millard Canyon campground at end of pavement. 0 Comment
  CDA4001  Bituminaria bituminosa T. C. Fuller 1963-4-25 10298 Los Angeles San Gabriel Mountains: Brown Mountain, 0.5 mile northwest above Millard Canyon campground at end of pavement. 0 Comment
  CDA4003  Bituminaria bituminosa P. A. Munz 1962-5-29 24319 Los Angeles San Gabriel Mountains: Millard Canyon. Comment
  HSC24305  Bituminaria bituminosa Wesley O. Griesel 1962-5-28 620 Los Angeles Fire Road W of Lower Millard Canyon. San Gabriel Mts. 61 Comment
  OBI2624  Bituminaria bituminosa Wesley O. Griesel 1962-5-28 620 Los Angeles Fire rd W of lower Millard Cyn; San Gabriel Mts 610 Comment
  RSA155806  Bituminaria bituminosa P. A. Munz 1962-5-29 24319 Los Angeles lower Millard Canyon near fire road 610 Comment
  RSA155807  Bituminaria bituminosa P. A. Munz 1962-5-29 24319 Los Angeles lower Millard Canyon near fire road 610 Comment
  RSA157742  Bituminaria bituminosa Wesley O. Griesel 1961-4-11 s.n. Los Angeles Millard Canyon 610 Comment
  RSA247403  Bituminaria bituminosa Wesley O. Griesel 1962-5-28 620 Los Angeles lower Millard Canyon near fire road 610 Comment
  RSA678138  Bituminaria bituminosa Valerie L. Soza, Monica Acosta, Tasha La Doux, Michael Wall 2001-6-28 1308 Los Angeles Upper Forest Service Road 2N66, between Fern Canyon and Pine Canyon. Comment
  SD80978  Bituminaria bituminosa Wesley O. Griesel 1962-5-28 620 Los Angeles Fire road west of lower Millard Canyon, San Gabriel Mountains. 609 Comment
  UCD105591  Bituminaria bituminosa P. A. Munz 1962-5-29 24319 Los Angeles Millard Canyon, San Gabriel Mts. 609 Comment
  RSA601574  Bloomeria crocea L. C. Wheeler 1967-6-16 9845 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side NE of Coulter Reservoir. 640 Comment
  RSA367309  Bloomeria crocea var. crocea L. E. Hoffman 1929-6-8 s.n. Los Angeles Arroyo Seco Canyon Comment
  CAS-BOT-BC167118  Boechera Wayne Law; Jun Hu 2000-4-30 08 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediatley after Millard campground 823 Comment
  SFV16115  Boechera arcuata J. M. Kneitel 1995-4-9 20 Los Angeles San Gabriel Mountains 75 m off of Angeles Forest Highway, 0.5 miles north of junction with Angeles Crest Highway. 950 Comment
  SFV17371  Boechera arcuata J. N. Hogue 1998-4-7 106 .1 Los Angeles San Gabriel Mountains Arroy Seco at Switzer's Picnic Area. 976 Comment
  CAS-BOT-BC16087  Boechera californica George B. Grant 1904-5-5 6197 Los Angeles Arroyo Seco Canyon. Comment
  RSA0011379  Boechera californica Orlando Mistretta, Christine Mistretta 2011-7-13 5946 Los Angeles Big Tujunga Canyon, near head of Maple Cyn, S of Angeles Forest Hwy, 1.9 miles W of jct. of Angeles Forest Hwy and Angeles Crest Hwy. 942 Comment
  SBBG16020  Boechera californica W. G. Webb 1935-4-17 Los Angeles Arroyo Seco Comment
  CAS-BOT-BC420338  Boykinia rotundifolia F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Upper Millards Canyon, San Gabriel Mountains Comment
  HSC12469  Boykinia rotundifolia Wendell Wood 1970-6-24 45 Los Angeles Switzer's Camp. Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  POM21368  Boykinia rotundifolia Fordyce Grinnell Jr. 1917-7-29 s.n. Los Angeles Upper Millard's Canyon, San Gabriel Mountains. Comment
  RSA466771B  Boykinia rotundifolia Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail Comment
  RSA466772  Boykinia rotundifolia Anstruther Davidson 1891-08 s.n. Los Angeles Millard s Canyon. Comment
  RSA702175  Boykinia rotundifolia Scott D. White 2004-7-28 10660 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  SBBG119066  Boykinia rotundifolia S. D. White 2004-7-28 10660 Los Angeles Clear Crk area, "The Pines" picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jct with Angeles Crest Hwy; T2N R12W S8 976 Comment
  UCR146525  Boykinia rotundifolia Scott D. White 2004-7-28 10660 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  RSA0107447  Brassica geniculata R. G. Swinney 2011-10-18 15823 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  UCR273226  Brassica geniculata R. G. Swinney 2011-10-18 15823 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  UCR95748  Brassica geniculata L. C. Wheeler 1967-3-3 9171 Los Angeles San Gabriel Mtns., Sunset Ridge, west of Chaney Trail Comment
  CAS-BOT-BC100418  Brickellia californica F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San Gabriel Mts. 914 Comment
  CAS-BOT-BC100423  Brickellia californica Wesley O. Griesel 1961-9-23 s.n. Los Angeles [Switzers] Switzer Camp, San [Gavriel] Gabriel Mts. 762 Comment
  CAS-BOT-BC100424  Brickellia californica R. J. Dobbs 1924-8-30 s.n. Los Angeles 1/4 mi. N. of Switzer Stream Trail Comment
  CAS-BOT-BC100432  Brickellia californica Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  CAS-BOT-BC100433  Brickellia californica Fordyce Grinnell 1915-9-4 s.n. Los Angeles Upper Arroyo Seco [Canon] Canyon - San Gabriel Mt. Comment
  GH386524  Brickellia californica J. A. Ewan 1929-9-21 3482 Unknown Mouth of Millards Canyon, San Gabriel Mts. 457 Comment
  LA203090  Brickellia californica Harlan Lewis; 1940-12-7 sn Los Angeles San Gabriel Mountains, Angeles Crest Highway 1066 Comment
  LA39080  Brickellia californica Harlan Lewis; 1940-12-7 sn Los Angeles San Gabriel Mountains, Angeles Crest Highway 1066 Comment
  POM304838  Brickellia californica Henry J. Ramsey, Henry J. Ramsey 1937-9-2 214 Los Angeles 2 miles below Mt. Wilson. 1524 Comment
  POM351114  Brickellia californica L. E. Hoffman 1931-5-11 s.n. Los Angeles Millard's Canyon, Angeles Nat'l Forest. Comment
  POM351119  Brickellia californica Geo C. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Comment
  RSA0106494  Brickellia californica R. G. Swinney 2011-10-18 15830 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  UCR273284  Brickellia californica R. G. Swinney 2011-10-18 15830 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  JEPS22869  Brickellia nevinii Rimo Bacigalupi with Reino Alava 1958-7-21 6444 Los Angeles above canyon of Arroyo Seco (along Angeles Crest Highway (Calif. Hwy 2), San Gabriel Mountains); San Gabriel Mountains, Angeles Crest Highway (Calif. Hwy. 2) 944 Comment
  RSA659836  Brickellia nevinii Orlando Mistretta, Mike Hammitt 1991-6-21 s.n. Los Angeles Fern Canyon. 793 Comment
  RSA624639  Bromus arizonicus L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Gould Mesa Picnic Ground. 427 Comment
  GH361740  Bromus carinatus L. C. Wheeler 1973-5-12 Unknown San Gabriel Mountains: Gould Mesa Picnic Ground. T2N R12W NW1/4NE1/4 sec. 31. 426 Comment
  SEINET14397471  Bromus carinatus L. C. Wheeler 1972-4-9 Los Angeles San Gabriel Mountains: Georges Gap on divide between Clear Creek and Arroyo Seco 1098 Comment
  RSA604198  Bromus carinatus var. carinatus L. C. Wheeler 1972-4-9 s.n. Los Angeles San Gabriel Mountains: Georges Gap on divide between Clear Creek & Arroyo Seco. Comment
  POM353049  Bromus diandrus L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles National Forest. [San Gabriel Mountains.] Comment
  RSA592164  Bromus diandrus L. C. Wheeler 1967-5-7 9288 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon 625 Comment
  RSA660214  Bromus diandrus Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 16 Los Angeles 3.8 miles from Pasadena city limits sign, on Angeles Crest Highway. Comment
  RSA229188  Bromus grandis R. F. Thorne, C. W. Tilforth 1971-6-29 40731 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  RSA462417  Bromus grandis Gary D. Wallace 1979-5-26 1849 Los Angeles San Gabriel Mountains: along Angeles Forest Highway just west of Clear Creek Ranger Station Comment
  CAS-BOT-BC162341  Bromus madritensis John Thomas Howell 1928-2-18 3348 Los Angeles On trail to Switzer's, Arroyo Seco, San Gabriel Mountains. Comment
  RSA601176  Bromus madritensis subsp. madritensis L. C. Wheeler 1967-6-27 9919 Los Angeles San Gabriel Mountains : Sunset Ridge, NE of Cogswell Reservoir. 640 Comment
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Feb 4 2015
  CDA1837  Bromus madritensis subsp. rubens L. C. Wheeler 1972-5-21 s.n. Los Angeles San Gabriel Mountains: Millard Canyon, just about at the national forest boundary. . 0 Comment
  POM363940  Bromus rubens Donald Tahara 1975-5-25 68 Los Angeles .25 mile E of junction of Angeles Crest and Angeles Forest Highways, San Gabriel Mountains. Comment
  RSA601631  Bromus rubens L. C. Wheeler 1967-6-16 9852 Los Angeles San Gabriel Mountains: North side of Sunset Ridge, south of Millard Canyon. 640 Comment
  RSA604199  Bromus rubens L. C. Wheeler 1972-5-21 s.n. Los Angeles San Gabriel Mountains: Millard Canyon, just inside National Forest Boundary. Comment
  RSA623782  Bromus rubens A. Stephenson 1965-5-9 10 Los Angeles 1/4 mile along Arroyo Seco Trail past Lower Switzer Campground, Angeles National Forest, [San Gabriel Mountains]. 1381 Comment
  RSA623783  Bromus rubens Raymond J. Dobbs 1927-4-19 169 Los Angeles Switzer's, San Gabriel Mountains. Comment
  CDA1845  Bromus sterilis L. C. Wheeler 1973-5-12 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Gould Mesa Picnic Ground. Comment
  RSA625156  Bromus sterilis L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Gould Mesa Picnic Ground. 427 Comment
  JEPS5837  Calandrinia breweri Frank W. Peirson 1919-3-27 357 Los Angeles hills w Arroyo Seco; San Gabriel Mountains 426 Comment
  UCR132305  Calocedrus decurrens John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
  PASA518  Calochortus albus J. E. Giguette May , '26 Los Angeles Flintridge Comment
  RSA0011372  Calochortus plummerae Orlando Mistretta, Christine Mistretta 2011-7-13 5947 Los Angeles Big Tujunga Canyon, near head of Maple Cyn, S of Angeles Forest Hwy, 1.9 miles W of jct. of Angeles Forest Hwy and Angeles Crest Hwy. 942 Comment
  RSA565756  Calochortus plummerae Mike Hammitt, Jason Rick 1991-6-25 s.n. Los Angeles San Gabriel Mountains: Arroyo Seco Canyon; above the debris dam and below Oakwilde Picnic Area along the Gabrielino Trail Comment
  RSA788644  Calochortus plummerae D. E. Bramlet 2011-6-16 4876 Los Angeles Upper Maple Canyon, 10m SW of Angeles Forest Hwy and 1.4 km east of Big Tujunga Rd. 917 Comment
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Aug 24 2014
  SD233241  Calochortus plummerae D. E. Bramlet 2011-6-16 4876 Los Angeles Upper Maple Cyn., 10 m SW of Angeles Forest Hwy & 1.4 km E of Big Tujunga Rd. 917 Comment
  UCR255943  Calochortus plummerae D. E. Bramlet 2011-6-16 4876 Los Angeles Transverse Ranges; San Gabriel Mountains, upper Maple Canyon, 10 m SW of Angeles Forest Hwy and 1.4 km east of Big Tujunga Rd. 917 Comment
  CSUSB1003  Calystegia macrostegia subsp. cyclostegia J. Operskalski 1976-4-24 Los Angeles La Canada, Dicken's Canyon, 1 mile north of Foothill Blvd. Comment
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Jun 2 2015
  POM184691  Calystegia occidentalis subsp. fulcrata Joseph A. Ewan 1932-6-17 7351 Los Angeles Long canyon of Arroyo Seco 1098 Comment
  RSA71123  Calystegia occidentalis subsp. fulcrata Raymond J. Dobbs 1927-6-28 7682 Los Angeles Arroyo Seco near Waterman's station 1005 Comment
  RSA466150  Camissonia californica L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles National Forest. [San Gabriel Mountains.] Comment
  UCR132345  Camissonia californica John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  RSA654864  Camissonia hirtella A. C. Sanders, D. Malueg 1998-6-24 22069 Los Angeles San Gabriel Mnts.: E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Canyon Road, ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  SEINET238518  Camissonia hirtella A. C. Sanders, D. Malueg 1998-6-24 22069 Los Angeles San Gabriel Mtns.: E of Big Tujunga Dam below Hwy 2 and above Tujunga Cyn. Rd. ridge above Josephine Creek So. Cal Edis 976 Comment
  UCR111526  Camissonia hirtella A. C. Sanders, D. Malueg 1998-6-22 22033 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  UCR114188  Camissonia hirtella A. C. Sanders, D. Malueg 1998-6-24 22069 Los Angeles San Gabriel Mtns., E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Cyn. Rd., ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  SBBG15852  Camissoniopsis bistorta W. G. Webb 1935-4-17 Los Angeles Arroyo Seco Comment
  JEPS89948  Camissoniopsis confusa Dean W. Taylor 1992-5-1 12492 Los Angeles 1 mi. e. Georges Gap (on Angeles Crest Hwy.); San Gabriel Mts. 1219 Comment
  SFV15349  Camissoniopsis confusa J. C. Dittes, D. Stolp 1990-4-1 67 Los Angeles San Gabriel Mountains Big Tujunga Canyon, Vogel Flats. 550 Comment
  UCD103464  Camissoniopsis hirtella A. C. Sanders; D. Malueg 1998-6-22 22033 Los Angeles San Gabriel Mountains. La Canada, SCE Gould Substation off Hwy. 2, Gould Canyon. 595 Comment
  RSA604149  Capsella bursa-pastoris L. C. Wheeler 1972-4-9 s.n. Los Angeles San Gabriel Mountains: Georges Gap on divide between Clear Creek & Arroyo Seco. Comment
  CAS-BOT-BC37456  Cardamine californica Ernest Braunton 1903-1-10 789 Los Angeles Arroyo Seco. Comment
  CAS-BOT-BC37466  Cardamine californica George B. Grant 1905-5-5 6184 Los Angeles Arroyo Seco Canyon. Comment
  CAS-BOT-BC37468  Cardamine californica George B. Grant 1901-4-14 5724 Los Angeles Arroyo Seco Canyon. Comment
  SD38003  Cardamine californica Edith A. Purer 1931-3-7 1527 Los Angeles Oakwilde [campground] Comment
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Jul 10 2010
  UC56684  Cardamine californica Ernest Braunton 1903-1-10 789 Los Angeles Arroyo Seco Comment
  JEPS53396  Cardamine californica var. integrifolia Frank W. Peirson 1918-5-21 265 a Los Angeles Arroyo Seco San Gabriel Mountains, Arroyo Seco 487 Comment
  RSA802050  Carduus pycnocephalus Orlando Mistretta, Kristie Haydu 2011-7-20 5957 Los Angeles Grizzly Flat Road, N of Angeles Crest Hwy, 0.4 air miles W of Hoyt Mountain. 1168 Comment
  UCR136842  Carduus pycnocephalus John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  CAS-BOT-BC17656  Carex alma George B. Grant 1904-6-17 6305 Los Angeles Arroyo Seco Canyon. Comment
  RSA0106496  Carex alma R. G. Swinney 2011-10-18 15832 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA764353  Carex alma Scott D. White 2004-7-28 10651 Los Angeles Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  UC822622  Carex alma Bryan 1929-7-4 Los Angeles Switzer's Camp Arroyo Secco 975 Comment
  UCR224193  Carex alma Scott D. White 2004-7-28 10651 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  UCR273286  Carex alma R. G. Swinney 2011-10-18 15832 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  CHSC82145  Carex schottii John Dittes; Dave Stolp 1990-3-10 46 Los Angeles San Gabriel mts. Angeles National Forest. Along and emersed in stream. 200 yards upstream from the Big Tujunga flood control reservoir. 731 Comment
  CAS-BOT-BC115635  Carex triquetra George Bernard Grant 1901-8-1 139 Los Angeles Aroyo Seco Canyon. 609 Comment
  CAS-BOT-BC115639  Carex triquetra George Loucks Moxley 1927-5-1 s.n. Los Angeles La Crescenta. Comment
  UC72398  Carex triquetra Geo. B. Grant Aug, 1901 139 Los Angeles Arroyo Seco Canyon San Gabriel Mts. 609 Comment
  UCR92585  Carex triquetra F. M. Reed 1925-6-12 5242 Los Angeles San Gabriel Mtns/San Fernando Valley region, Sierra Madre Mountains, wash near La Canada. 701 Comment
  UCR114184  Castilleja A. C. Sanders, D. Malueg 1998-6-24 22057 Los Angeles San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  SFV16116  Castilleja affinis J. M. Kneitel 1995-4-9 23 Los Angeles San Gabriel Mountains Angeles Forest Highway, 3.5 miles north of junction with Angeles Crest Highway. 100 m off highway. 915 Comment
  UCR175044  Castilleja applegatei Holly Summers 2006-6-4 s.n. Los Angeles San Gabriel Mountains, 2 miles north of Foothill Blvd. on Angeles Crest Highway (Hwy 2), near Brown Canyon 701 Comment
  JEPS16670  Castilleja applegatei subsp. martinii Rimo Bacigalupi with C. L. Custer 1954-4-4 4391 Los Angeles directly back of Altadena (Millard's Public Camp, in Millard's Canyon, lower s reaches of San Gabriel Mountains); San Gabriel Mountains, Angeles National Forest, Millard's Ca 556 Comment
  JEPS5153  Castilleja applegatei subsp. martinii F. W. Peirson 1918-5-19 209 Los Angeles Millards Canyon San Gabriel Mountains 853 Comment
  RSA295242  Castilleja applegatei subsp. martinii George H. Lewis 1975-6-29 s.n. Los Angeles Hall Beckley Canyon, ca. 1-1/4 miles north of Foothill Blvd. on Palm Drive, La Canada. Comment
  RSA296368  Castilleja applegatei subsp. martinii R. C. Bacigalupi, C. L. Custer 1954-4-4 4391 Los Angeles Millard's Public Camp, Angeles National Forest, in Millard's Canyon, lower reaches of the San Gabriel Mountains, directly back of Altadena 556 Comment
  RSA81469  Castilleja applegatei subsp. martinii F. W. Peirson 1918-5-19 209 Los Angeles Millard's Canyon, south base of San Gabriel Mts. Comment
  JEPS10622  Castilleja exserta subsp. exserta Frank W. Peirson 1919-3-27 334 Los Angeles w of Arroyo Seco; San Gabriel Mountains 457 Comment
  UCR27080  Castilleja gleasoni T. P. Krantz 1980-7-2 s.n. Los Angeles San Gabriel Mtns., east of Mt. Gleason 1768 Comment
  UCR4192  Castilleja martinii R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon 426 Comment
  SBBG66918  Castilleja miniata subsp. miniata M. N. Ackley 1927-6-5 1036 Los Angeles Old Trail to Switzerland 731 Comment
  RSA448774  Castilleja minor subsp. spiralis Geo. L. Moxley 1915-7-4 362 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  RSA702435  Castilleja minor subsp. spiralis Scott D. White 2004-7-28 10657 Los Angeles San Gabriel Mountains: Clear Creek area. In and around 'The Pines' picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  SBBG66947  Castilleja minor subsp. spiralis M. N. Ackley 1927-6-5 1035 Los Angeles trail to Switzerland 762 Comment
  UCR146505  Castilleja minor subsp. spiralis Scott D. White 2004-7-28 10657 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  UCR282194  Caulanthus heterophyllus D. E. Bramlet 2011-4-27 4811 Los Angeles San Gabriel Mountains, Maple Canyon, east of Big Tujunga Canyon, south Big Tujunga Reservoir 915 Comment
  SBBG15505  Caulanthus lasiophyllus W. G. Webb 1935-4-17 Los Angeles Arroyo Seco Comment
  UCR104743  Ceanothus David Charlton 1989-4-30 2997 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp. 1159 Comment
  A425499  Ceanothus crassifolius J. G. Jack 1907-7-12 Unknown Pasadena, Willard's Canon Comment
  CAS-BOT-BC48754  Ceanothus crassifolius Fordyce Grinnell 1916-3-18 s.n. Los Angeles San Gabriel Mts. near Pasadena Comment
  GH349026  Ceanothus crassifolius L. E. Hoffman 1931-11-5 Unknown Millard's Canyon, Angeles Nat'l Forest Comment
  GH349027  Ceanothus crassifolius L. E. Hoffman 1932-3-14 Unknown Millard's Canyon Comment
  HSC12471  Ceanothus crassifolius Wendell Wood 1970-6-24 43 Los Angeles Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  JEPS42403  Ceanothus crassifolius Frank W. Peirson 1918-5-19 302 Los Angeles Millards Canyon San Gabriel Mountains Comment
  RSA329735  Ceanothus crassifolius Gary D. Wallace 1966-3-25 209 Los Angeles San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena. 915 Comment
  RSA398849  Ceanothus crassifolius L. E. Hoffman 1932-3-14 s.n. Los Angeles Millard's Canyon, Angeles National Forest [San Gabriel Mountains]. Comment
  RSA398852  Ceanothus crassifolius L. E. Hoffman 1931-11-5 s.n. Los Angeles Millard's Canyon, Angeles National Forest, San Gabriel Mountains. Comment
  RSA398855  Ceanothus crassifolius Bonnie C. Templeton 1929-12-15 1449 Los Angeles Arroyo Seco, near Camp Switzers. 900 Comment
  RSA398862  Ceanothus crassifolius L. E. Hoffman 1932-3-14 16302 Los Angeles Millard's Canyon, Angeles National Forest [San Gabriel Mountains]. Comment
  RSA398867  Ceanothus crassifolius Elbert Benjamine 1929-2-10 s.n. Los Angeles Arroyo Seco, above Pasadena. 915 Comment
  RSA651870  Ceanothus crassifolius Jeff Weiler 1981-4-26 31 Los Angeles La Canada, Earl Canyon Motorway. Trailhead: NW side of Palm Dr., .3 mi. N of intersection with Fairmount Ave. Approx. .25 mi. N of trailhead. Comment
  RSA654866  Ceanothus crassifolius A. C. Sanders, D. Malueg 1998-6-22 22032 Los Angeles San Gabriel Mtns.: La Canada, SCE Gould Substation off Hwy 2, Gould Canyon. 595 Comment
  RSA77143  Ceanothus crassifolius F. W. Peirson 1926-3-20 6514 Los Angeles Arroyo Seco, near Pasadena 915 Comment
  RSA786777  Ceanothus crassifolius Doris Bowers 1957-3-24 632 Los Angeles Millard's Canyon N/o Altadena 1220 Comment
  SD146173  Ceanothus crassifolius Andy C. Sanders, D. Malueg 1998-6-22 22032 Los Angeles San Gabriel Mtns.: La Canada, SCE Gould Substation off Hwy 2, Gould Canyon (Pasadena 7.5) 594 Comment
  SDSU10251  Ceanothus crassifolius Lorenzo Cook 1932-3-1 Los Angeles Arroyo Seco Canyon. Comment
  UCR111527  Ceanothus crassifolius A. C. Sanders, D. Malueg 1998-6-22 22032 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  UCSB17898  Ceanothus crassifolius Hennen, Diane 1963-4-18 Los Angeles La Crescenta Ravine, behind home at 2453 Teasley Street, La Crescenta 243 Comment
  RSA656268  Ceanothus griseus Steve Archer 1977-6-1 15 Los Angeles Verdugo Mountains: End of Dorothy Street off Terrace Drive from Briggs Ave., La Crescenta. 457 Comment
  CAS-BOT-BC50164  Ceanothus integerrimus Bell Richardson Jackson 1941-6-1 s.n. Los Angeles Road up to Mt. Wilson, from La Canyada Comment
  SFV16097  Ceanothus integerrimus J. M. Kneitel 1995-4-9 19 Los Angeles San Gabriel Mountains 4.7 miles north of USFS ranger station on Angeles Crest Highway. 50m from road. 279 Comment
  CAS-BOT-BC167242  Ceanothus leucodermis Wayne Law; Jun Hu 2000-4-30 03 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. First dirt road on left immediately after Millard campground 823 Comment
  CAS-BOT-BC50529  Ceanothus leucodermis John H. Thomas 1957-3-7 6493 Los Angeles South slope of San Gabriel Mts., near State Highway #2, angeles Crest Highway, about 3.5 miles north of La Canada. 914 Comment
  CAS-BOT-BC50556  Ceanothus leucodermis Geo. B. Grant April 14, ? s.n. Los Angeles Arroy Seco Comment
  GH349757  Ceanothus leucodermis L. E. Hoffman 1931-11-5 Unknown Millard's Canyon, Angeles Nat'l Forest Comment
  HSC12328  Ceanothus leucodermis Wendell Wood 1970-6-24 42 Los Angeles Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  POM2825  Ceanothus leucodermis O. Kenney 1893-2-25 s.n. Los Angeles Mountain, collected near Pasadena Comment
  RSA399008  Ceanothus leucodermis Fordyce Grinnell Jr. 1910-06 1931 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA399753  Ceanothus leucodermis L. E. Hoffman 1932-3-14 s.n. Los Angeles Millard's Canyon, Angeles National Forest [San Gabriel Mountains]. Comment
  RSA399755  Ceanothus leucodermis L. E. Hoffman 1931-11-5 s.n. Los Angeles Millard's Canyon, Angeles National Forest Comment
  SBBG68457  Ceanothus leucodermis M. N. Ackley -Apr-1929 Los Angeles La Crescenta 365 Comment
  SD236394  Ceanothus leucodermis Wayne Law, Jun Hu 2000-4-30 3 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. First dirt road on left immediately after Millard campground. 518 Comment
  UCD112233  Ceanothus leucodermis Jamie Kneitel 1995-4-9 19 Los Angeles Angeles National Forest, 4.7 mi. N of U.S.F.S. Ranger Station on Angeles Crest Hwy., 50 m. from road, San Gabriel Mtns. 915 Comment
  UCR172775  Ceanothus leucodermis Wayne Law, Jun Hu 2000-4-30 03 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  UCSB32409  Ceanothus leucodermis Proctor, Donald 1962-5-4 Los Angeles Switzers Camp off Angeles Crest Hwy. San Gabriel Mts. 792 Comment
  UCSB3914  Ceanothus leucodermis Kamb, Peter 1947-5-25 Los Angeles Millard Canyon near Sunset Ridge guard station, San Gabriel Mts 670 Comment
  CAS-BOT-BC50457  Ceanothus oliganthus Geo. B. Grant 1904-5-5 s.n. Los Angeles Arroyo Seco Canyon, S. Cal Comment
  CAS-BOT-BC50463  Ceanothus oliganthus Scott D. White 2004-7-27 10624 Los Angeles San Gabriel Mountains: Clear Creek area. Roadside and hiking trail S side of Angeles Fores Hwy, ca. 0.2 mi W of jtn 1066 Comment
  CAS-BOT-BC50498  Ceanothus oliganthus Le Roy Abrams 1899-3-11 292 Los Angeles Millards Canyon Comment
  LA43648  Ceanothus oliganthus Zaitlin; 1951-3-17 sn Los Angeles Angelus Crest Hwy S Side 731 Comment
  POM265803  Ceanothus oliganthus J. C. Roos 1942-3-7 1106 Los Angeles On brushy delta, La Canada Comment
  POM2826  Ceanothus oliganthus O. Kenney 1893-2-15 s.n. Los Angeles Mountains, collected near Pasadena Comment
  RSA399723  Ceanothus oliganthus Louis Greata 1901-04 s.n. Los Angeles Arroyo Seco, near Pasadena Comment
  RSA764033  Ceanothus oliganthus Doris Bowers 1957-3-24 631 Los Angeles Millard's Canyon N/o Altadena 1220 Comment
  SDSU10310  Ceanothus oliganthus Lorenzo Cook 1932-4-1 Los Angeles Arroyo Seco Canyon. Comment
  SEINET3162616  Ceanothus oliganthus E. K. Balls 1950-3-28 14448 Los Angeles La Crescenta at upper end of town, hwy. 476 Comment
  RSA747737  Ceanothus oliganthus subsp. oliganthus Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12694 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCR146479  Ceanothus oliganthus subsp. oliganthus Scott D. White 2004-7-27 10624 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  CHSC26359  Ceanothus oliganthus var. oliganthus James Henrickson 1972-3-19 7175 Los Angeles 5 road miles along Angeles Crest Hwy 2 NE of La Canada. 853 Comment
  HSC98206  Ceanothus oliganthus var. oliganthus James Henrickson 1972-3-19 7175 Los Angeles 5 mi along Angeles Crest Hwy. 2 NE of La Canada 854 Comment
  POM89885  Ceanothus oliganthus var. oliganthus F. W. Peirson 1926-3-20 6513 Los Angeles Arroyo Seco. 1006 Comment
  RSA399739  Ceanothus oliganthus var. oliganthus H. Wells 1968-3-17 10 Los Angeles Angeles National Forest. 3.7 miles north northeast junction of State Hwy. 118 and State Hwy. 2, on Angeles Crest Hwy. 762 Comment
  RSA399742  Ceanothus oliganthus var. oliganthus Albert J. Perkins 1920-3-20 s.n. Los Angeles San Gabriel Mts. Millards Canyon. Comment
  RSA601641  Ceanothus oliganthus var. oliganthus Louis C. Wheeler 1967-6-16 9860 Los Angeles San Gabriel Mountains: North side of Sunset Ridge under power line, Millard Canyon. 579 Comment
  RSA659840  Ceanothus oliganthus var. oliganthus Orlando Mistretta, Mike Hammitt 1991-6-21 s.n. Los Angeles Fern Canyon. Open ridgetop, firebreak W of 2N66. 756 Comment
  RSA702181  Ceanothus oliganthus var. oliganthus Scott D. White 2004-7-27 10624 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  SBBG68505  Ceanothus oliganthus var. oliganthus M. N. Ackley -Apr-1929 Los Angeles La Crescenta 487 Comment
  UC1071160  Ceanothus oliganthus var. oliganthus H. A. Jensen 1933-4-10 281 Los Angeles Verdugo Mountain Pasadena quad. 762 Comment
  UC50448  Ceanothus oliganthus var. oliganthus H. M. Hall Apr 1903 3743 Los Angeles Arroyo Seco Comment
  CDA7206  Centaurea cineraria T. C. Fuller, T. Suzuki 1959-3-19 2091 Los Angeles North side Foothill Boulevard, in Arroyo, east of Hillard Avenue, La Canada. 0 Comment
  POM351504  Centaurea melitensis L. E. Hoffman 1929-6-8 s.n. Los Angeles Arroyo Seco Canyon Comment
  UCR95473  Centaurea melitensis L. C. Wheeler 1967-4-23 9191 Los Angeles San Gabriel Mtns, N slope of Sunset Ridge at edge of firebreak by Millard Canyon 610 Comment
  RSA601628  Centaurium venustum Louis C. Wheeler 1967-6-16 9857 Los Angeles San Gabriel Mountains: North side of Sunset Ridge under power line, Millard Canyon. 579 Comment
  RSA607828  Centaurium venustum Louis C. Wheeler 1947-7-4 6539 Los Angeles San Gabriel Mountains: El Prieto Canyon, off Millard Canyon. Comment
  RSA702180  Cercocarpus betuloides Scott D. White 2004-7-27 10625 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  UCR146100  Cercocarpus betuloides James Henrickson 2000-4-29 20731 Los Angeles c. 2 miles east of La Cresenta along Angeles Crest Highway c. 2-5 miles NE of the 210 Freeway, in Los Angeles National Forest. 1067 Comment
  UCR146480  Cercocarpus betuloides Scott D. White 2004-7-27 10625 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  JEPS45538  Cercocarpus betuloides var. betuloides Frank W. Peirson 1919-3-27 340 Los Angeles road out of Arroyo Seco San Gabriel Mountains 533 Comment
  POM453275  Cercocarpus betuloides var. betuloides L. E. Hoffman 1931-11-9 s.n. Los Angeles Millards Canyon. Comment
  RSA453283  Cercocarpus betuloides var. betuloides Fordyce Griffiths Jr. 1910-06 1931 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA453290  Cercocarpus betuloides var. betuloides Fordyce Griffiths Jr. 1910-06 s.n. Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA656567  Cercocarpus betuloides var. betuloides James Henrickson 2000-4-29 20731 Los Angeles Ca. 2 miles E of La Cresenta along Angeles Crest Highway ca. 2-5 miles NE of the 210 Freeway, in Angeles National Forest 1067 Comment
  RSA86673  Cercocarpus betuloides var. betuloides F. W. Peirson 1919-3-27 340 Los Angeles Road out of Arroyo Seco. 549 Comment
  UC1127865  Cercocarpus betuloides var. betuloides H. A. Jensen 1933-4-10 282 Los Angeles Verdugo Mountain 762 Comment
  CAS-BOT-BC279509  Chaenactis artemisiifolia Geo. L. Moxley 1927-5-1 s.n. Los Angeles La Crescenta Comment
  UCR132318  Chaenactis glabriuscula John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCSB33273  Chaenactis glabriuscula Griesel, Wesley 1962-5-25 Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mts. 914 Comment
  UCSB33699  Chaenactis glabriuscula Griesel, Wesley 1962-5-25 Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mts. 914 Comment
  CAS-BOT-BC277382  Chaenactis glabriuscula var. glabriuscula Wesley O. Griesel 1962-5-25 s.n. Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mts. 914 Comment
  OBI16810  Chaenactis glabriuscula var. glabriuscula Wesley O. Griesel 1962-5-25 s.n. Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mts 914 Comment
  SBBG65564  Chaenactis glabriuscula var. glabriuscula M. N. Ackley -Jun-1926 279 Los Angeles Montrose 365 Comment
  UCD130389  Chaenactis glabriuscula var. glabriuscula Wesley O. Griesel 1962-5-25 Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mountains. 914 Comment
  POM351745  Chaenactis glabriuscula var. lanosa L. E. Hoffman 1926-3-18 s.n. Los Angeles Arroyo Seco river. Comment
  RSA601627  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1967-6-16 9858 Los Angeles San Gabriel Mountains: North side of Sunset Ridge under power line, Millard Canyon. 579 Comment
  RSA685706  Cheilanthes covillei Geo L. Moxley 1910-7-20 419 Los Angeles Mt. Washburb, Near Switzers Camp, Arroyo Seco Canyon Comment
  RSA0105026  Chenopodium berlandieri R. G. Swinney 2011-10-18 15814 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  UCR273385  Chenopodium berlandieri R. G. Swinney 2011-10-18 15814 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  UC1586209  Chenopodium botrys Tim Ross 1991-8-16 5801 Los Angeles 1/5 mi due e confluence of Lucas Creek (Angeles Forest Hwy); Condor Peak USGS 7.5' quad, Big Tujunga Canyon 917 Comment
  UCR132945  Chenopodium botrys Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  UC1586203  Chenopodium desiccatum Tim Ross 1991-8-16 5808 Los Angeles Colby Canyon San Gabriel Mountains, Condor Peak USGS 7.5' quad 1063 Comment
  UC1586210  Chenopodium desiccatum Tim Ross 1991-8-16 5802 Los Angeles canyon 1/5 mi due e confluence of Lucas Creek (Angeles Forest Hwy); Condor Peak USGS 7.5 qua, Big Tujunga Canyon 917 Comment
  UC1971374  Chenopodium desiccatum Louis C. Wheeler 1973-8-2 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Coulter Reservoir, Sunset Ridge. Comment
  SEINET2441852  Chenopodium hians E. N. Jellen 2010-8-19 1005 Los Angeles Big Tujunga Cyn. Rd. 907 Comment
  RSA631087  Chenopodium multifidum L. C. Wheeler 1947-4-13 6466 Los Angeles San Gabriel Mountains; Millard Canyon. 640 Comment
  RSA604377  Chenopodium murale L. C. Wheeler 1972-4-9 s.n. Los Angeles San Gabriel Mountains: Georges Gap on divide between Clear Creek & Arroyo Seco. Comment
  CDA3111  Chenopodium pumilio L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Gould Mesa Picnic Ground. Comment
  RSA601630  Chenopodium pumilio L. C. Wheeler 1967-6-16 9853 Los Angeles San Gabriel Mountains: North side of Sunset Ridge, south of Millard Canyon. 640 Comment
  RSA624642  Chenopodium pumilio L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Gould Mesa Picnic Ground. 427 Comment
  UC1971343  Chlorogalum pomeridianum Louis C. Wheeler 1973-8-2 Los Angeles SAN GABRIEL MOUNTAINS: Coulter Reservoir, Sunset Ridge. Comment
  NY32512  Chorizanthe leptoceras A. M. Ottley 1920-4-30 510 Los Angeles Arroyo Seco. 335.3 Comment
  JEPS57709  Chorizanthe parryi var. parryi Frank W. Peirson 1919-5-21 446 Los Angeles Arroyo Seco San Gabriel Mountains, Arroyo Seco 381 Comment
  CAS-BOT-BC244731  Chorizanthe staticoides Geo. L. Moxley 1927-5-1 s.n. Los Angeles La Crescenta Comment
  RSA392586  Chorizanthe staticoides F. R. Fosberg 1931-5-24 s 4972 Los Angeles Alluvial fan, La Crescenta. Comment
  RSA392697  Chorizanthe staticoides Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail. Comment
  RSA65075  Chorizanthe staticoides Raymond J. Dobbs 1924-6-30 5388 Los Angeles Near Switzers Camp, San Gabriel Mountains. 915 Comment
  RSA802342  Chorizanthe staticoides Orlando Mistretta, Christine Mistretta 2011-7-13 5927 Los Angeles Big Tujunga Cyn. Along Angeles Forest Hwy, 1.0 miles W of junction With Big Tujunga Cyn Road. 793 Comment
  UCR1468  Chorizanthe staticoides Bland Ewing 1961-3-30 5- 13 - Los Angeles San Gabriel Mtns., Brown Mtn. Fire Control Rd., Millard Canyon, Altadena 854 Comment
  RSA723501  Chrysanthemum parthenium LeRoy Gross, Sarah M. Siedschlag 2007-6-4 2777 Los Angeles Southern side of mountains. Along Mount Lukens Road (2N76.2) Road Survey for the National Forest. Near 771 Comment
  POM351944  Chrysothamnus nauseosus subsp. bernardinus Fordyce Grinnell Jr. 1915-9-4 3117 Los Angeles Above Arroyo Seco-West Fork Divide. Comment
  CAS-BOT-BC285405  Cirsium occidentale var. californicum F. Grinnell Jr. 1910-6-20 s.n. Los Angeles Long Canon [Canyon], San Gabriel Mts. 1066 Comment
  POM352154  Cirsium occidentale var. californicum Geo. L. Moxley 1915-7-4 353 Los Angeles Arroyo Seco Canyon. Comment
  CAS-BOT-BC285593  Cirsium occidentale var. occidentale Geo. L. Moxley 1927-5-1 s.n. Los Angeles La Crescenta Comment
  POM773  Cistanthe monandra L. R. Abrams 1901-4-7 1412 Los Angeles La Canada Comment
  RSA529891  Cistus creticus T. S. Ross 1991-8-16 5796 Los Angeles Woodwardia canyon, San Gabriel Mtns (N of Pasadena) 819 Comment
  RSA654865  Cistus creticus A. C. Sanders, D. Malueg 1998-6-22 22030 Los Angeles San Gabriel Mtns.: La Canada, SCE Gould Substation off Hwy 2, Gould Canyon. 595 Comment
  RSA702184  Cistus creticus Scott D. White 2004-7-27 10626 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  UCR146481  Cistus creticus Scott D. White 2004-7-27 10626 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  SFV17370  Cistus incanus J. N. Hogue, D. L. Bishop 1998-5-28 110 .5 Los Angeles San Gabriel Mountains Arroyo Seco near Switzer's Picnic Area. 976 Comment
  UC1586238  Cistus incanus Tim Ross 1991-8-16 5796 Los Angeles Woodwardia Canyon San Gabriel Mountains, Condor Peak USGS 7.5' quadrangle (n of Pasadena) 818 Comment
  UCR46183  Cistus incanus Kathy Harper 1986-5-17 s.n. Los Angeles San Gabriel Mtns., The Pines picnic area on Rd. N3, north of La Canada-Flintridge 1524 Comment
  RSA529890  Cistus ladanifer T. S. Ross 1991-8-16 5798 Los Angeles Woodwardia canyon, San Gabriel Mtns (N of Pasadena) 819 Comment
  RSA702182  Cistus ladanifer Scott D. White 2004-7-27 10628 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  SBBG119136  Cistus ladanifer S. D. White 2004-7-27 10628 Los Angeles Clear Crk area, roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jct with Angeles Crest Hwy; T2N R12W S8 1067 Comment
  SFV21727  Cistus ladanifer S. Kimball, M. Garrido 1999-5-2 78 Los Angeles San Gabriel Mountains Millard Canyon, on fire road by upper parking lot for trail to Mount Lowe. 700 Comment
  UC1586237  Cistus ladanifer Tim Ross 1991-8-16 5798 Los Angeles Woodwardia Canyon San Gabriel Mountains, Condor Peak USGS 7.5' quadrangle (n of Pasadena) Comment
  UCR1430  Cistus ladanifer Bland Ewing 1961-3-30 300361- 9 -16 Los Angeles San Gabriel Mtns., Brown Mtn. Fire Control Rd., El Prieto Canyon, Altadena Comment
  UCR146483  Cistus ladanifer Scott D. White 2004-7-27 10628 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  UCR10204  Cistus laurifolius A. M. Beck 1970-6-3 92 Los Angeles San Gabriel Mtns, Angeles Crest Hwy. 945 Comment
  UCR111506  Cistus villosus A. C. Sanders, D. Malueg 1998-6-22 22030 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  CAS-BOT-BC172434  Clarkia bottae Raymond J. Dobbs 1927-5-26 s.n. Los Angeles Loner Arroyo Comment
  CAS-BOT-BC172435  Clarkia bottae Raymond J. Dobbs 1924-6-5 s.n. Los Angeles Switzer Comment
  CAS-BOT-BC172436  Clarkia bottae Raymond J. Dobbs 1924-5-22 s.n. Los Angeles 2 1/2 miles below Switzer, old Trail Comment
  CHSC3723  Clarkia cylindrica Sue Boergadine 1966-5-26 Los Angeles Switzer's Camp. 762 Comment
  CAS-BOT-BC172247  Clarkia cylindrica subsp. cylindrica George L. Moxley 1927-5-1 s.n. Los Angeles La Crescenta Comment
  CAS-BOT-BC164326  Clarkia dudleyana F. Grinnell Jr. 1910-6-4 s.n. Los Angeles San Gabriel Mts., Long [Canon] Canyon 914 Comment
  CAS-BOT-BC172100  Clarkia dudleyana Wesley O. Griesel 1961-6-3 s.n. Los Angeles State Hwy. 2 about 3 mi. above La Canada, San Gabriel Mts. 609 Comment
  CAS-BOT-BC172101  Clarkia dudleyana Wesley O. Griesel 1961-6-3 s.n. Los Angeles State Hwy. 2 about 3 mi. above La Canada, San Gabriel Mts. 609 Comment
  CAS-BOT-BC172103  Clarkia dudleyana Raymond J. Dobbs 1927-6-28 s.n. Los Angeles Fire break near Smilzer's, San Gabriel Mts. 624 Comment
  CHSC35191  Clarkia dudleyana Paul Bailey 1971-5-28 67 Los Angeles 6 mi. N. of Pasadena in Millard Cyn. in San Gabriel foothills. 457 Comment
  RSA448253  Clarkia dudleyana Geo. L. Moxley 1915-7-4 358 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  RSA453468  Clarkia dudleyana Edwin Kline 1924-6-22 s.n. Los Angeles Arroyo Seco. San Gabriel Mountains. Comment
  RSA747747  Clarkia dudleyana Scott D. White, J. Wood, J. Miner 2009-5-12 12705 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  SEINET1869740  Clarkia dudleyana M. D. Wilcox 2003-1 Los Angeles San Gabriel Mtns.: Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory. 381 Comment
  UCR136895  Clarkia dudleyana Michael D. Wilcox 2003-6-24 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR48858  Clarkia dudleyana Steve Morgan 1974-5-17 143 Los Angeles San Gabriel Mtns., Big Tujunga Canyon, 0.5 mi. east of Big Tujunga Canyon Road, at a point 10.9 mi. north of Mt. Gleason Ave. 701 Comment
  UCSB4359  Clarkia dudleyana Kamb, Peter 1947-5-25 Los Angeles Upper Sonoran Zone; Millards Canyon near Sunset Ride guard station; San Gabriel Mts Comment
  CAS-BOT-BC163711  Clarkia purpurea subsp. quadrivulnera R. J. Dobbs 1924-6-5 s.n. Los Angeles Swetzers [Switzer] Comment
  RSA448322  Clarkia purpurea subsp. quadrivulnera Fordyce Grinnell Jr. 1910-05 s.n. Los Angeles La Crescenta. Comment
  RSA448324  Clarkia purpurea subsp. quadrivulnera Fordyce Grinnell Jr. 1910-05 s.n. Los Angeles La Crescenta. Comment
  POM184686  Clarkia rhomboidea Joseph A. Ewan 1932-6-17 7360 Los Angeles San Gabriel Mountains. Upper Arroyo Seco. Near Waterman Ranger District. 1006 Comment
  CAS-BOT-BC165512  Clarkia unguiculata Robert F. Thorne; C. W. Tilforth 1971-6-29 40728 Los Angeles San Gabriel Mts., Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Rd. 914 Comment
  RSA229027  Clarkia unguiculata Robert F. Thorne, C. W. Tilforth 1971-6-29 40728 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  RSA448593  Clarkia unguiculata L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  UCR132293  Clarkia unguiculata John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, just east of Jet Prop. Lab., transect zero below diversion dam 366 Comment
  SFV15326  Claytonia perfoliata J. C. Dittes, D. Stolp 1990-3-10 35 Los Angeles San Gabriel Mountains 0.75 miles upstream of Big Tujunga flood control reservoir. 701 Comment
  SFV15327  Claytonia perfoliata J. C. Dittes, D. Stolp 1990-3-10 34 Los Angeles San Gabriel Mountains 0.75 miles upstream of Big Tujunga flood control reservoir. 701 Comment
  UCR16570  Claytonia perfoliata Karl Bernhard 1967-5-13 s.n. Los Angeles San Gabriel Mtns., County road N3; [vicinity of Lucas Creek] 5 miles from turnoff from Angeles Crest Highway 1067 Comment
  UCR172705  Claytonia perfoliata Jun Hu, Weena Sangkatavat 2000-4-22 02 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  UCR4185  Claytonia perfoliata R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon 426 Comment
  CAS-BOT-BC439916  Claytonia perfoliata subsp. intermontana John H. Thomas 1957-5-11 6753 Los Angeles San Gabriel Mountains. About 3 miles north of La Canada near Angeles Crest Highway. 762 Comment
  RSA466718  Claytonia perfoliata subsp. mexicana L. E. Hoffman s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
  UC50355  Claytonia perfoliata subsp. mexicana H. M. Hall Apr 1903 3745 Los Angeles Arroyo Seco Comment
  SFV15325  Claytonia perfoliata subsp. perfoliata J. C. Dittes, D. Stolp 1990-3-10 36 Los Angeles San Gabriel Mountains 0.75 miles upstream of Big Tujunga flood control reservoir. 701 Comment
  CAS-BOT-BC91392  Clematis lasiantha J. H. Thomas 1957-5-11 6756 Los Angeles San Gabriel Mountains, about 4.5 miles north of La Canada. 975 Comment
  JEPS60545  Clematis lasiantha Frank W. Peirson 1918-5 51 Los Angeles Millards Canyon 640 Comment
  PASA2396  Clematis lasiantha Frank W. Peirson 1926-3-20 Los Angeles Arroyo Seco, San Gabriel Mts. 914 Comment
  RSA0013162  Clematis lasiantha Orlando Mistretta, Christine Mistretta 2011-7-13 5942 Los Angeles Big Tujunga Canyon, near head of Maple Cyn, S of Angeles Forest Hwy, 1.9 miles W of jct. of Angeles Forest Hwy and Angeles Crest Hwy. 942 Comment
  RSA702433  Clematis lasiantha Scott D. White 2004-7-28 10663 Los Angeles San Gabriel Mountains: Clear Creek area. In and around 'The Pines' picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  RSA84465  Clematis lasiantha F. W. Peirson 1926-3-20 6516 Los Angeles Arroyo Seco, near Pasadena 915 Comment
  UCR146484  Clematis lasiantha Scott D. White 2004-7-28 10663 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  UCR238471  Clematis lasiantha Orlando Mistretta, Christine Mistretta 2008-5-5 2654 Los Angeles Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon 628 Comment
  UCSB1951  Clematis lasiantha Wedberg, Lee 1954-5-10 Los Angeles Seco Cyn; Upper Arroyo 914 Comment
  RSA0105075  Clematis ligusticifolia R. G. Swinney 2011-10-18 15815 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  UCR273386  Clematis ligusticifolia R. G. Swinney 2011-10-18 15815 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  JEPS13373  Collinsia heterophylla Peter Kamb Ray 1947-5-25 532 Los Angeles near Sunset Ridge Guard Station (Millard Canyon); San Gabriel Mtns, Millard Canyon 670 Comment
  JEPS13637  Collinsia heterophylla Peter Kamb 1947-5-25 532 Los Angeles near Sunset Ridge Guard Station (Millard Canyon); San Gabriel Mtns, Millard Canyon 670 Comment
  RSA802451  Collinsia heterophylla Orlando Mistretta, Christine Mistretta 2011-7-13 5930 Los Angeles Big Tujunga Cyn. Along Angeles Forest Hwy, 1.0 miles W of junction With Big Tujunga Cyn Road. 793 Comment
  RSA408340  Collinsia heterophylla var. austromontana George H. Lewis 1975-6-29 s.n. Los Angeles Hall Beckley Canyon, ca. 1-1/4 miles north of Foothill Blvd. on Palm Drive, La Canada. Comment
  CAS-BOT-BC240953  Collinsia parryi Geo. B. Grant 1904-5-5 6260 Los Angeles Arroyo Seco Canyon Comment
  SBBG66417  Collinsia parryi M. N. Ackley -May-1920 1022 Los Angeles foothills, Montrose 365 Comment
  SEINET10317263 Image available Collinsia parryi Wesley O. Griesel 1961-4-18 Los Angeles Switzers Inlet, San Gabriel Mountains 762 Comment
  SFV17367  Collinsia parryi J. N. Hogue, D. L. Bishop 1998-5-28 110 .2 Los Angeles San Gabriel Mountains Arroyo Seco near Switzer's Picnic Area. 976 Comment
  UC166909  Collinsia parryi Geo. B. Grant 1905-5-4 201 Los Angeles San Gabriel Mountains, Pasadena, Willard Canyon Pasadena; San Gabriel Mountains, , Willard Canyon Comment
  RSA678137  Colutea arborescens Valerie L. Soza, Monica Acosta, Tasha La Doux, Michael Wall 2001-6-28 1307 Los Angeles Upper Forest Service Road 2N66, between Fern Canyon and Pine Canyon. Comment
  RSA707807  Colutea arborescens Naomi Fraga, Bill Hogshead 2004-4-23 1101 Los Angeles Along the lower part of Josepine Peak Road near its intersection with Angeles Forest Hwy. 1098 Comment
  RSA747742  Colutea arborescens Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12688 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UC1951123  Colutea arborescens Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12688 Los Angeles SAN GABRIEL MOUNTAINS: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. USGS Pasadena 7.5' Quad. Comment
  UCR136830  Colutea arborescens John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR147612  Colutea arborescens Naomi Fraga, B. Hogshead 2004-4-23 1101 Los Angeles Transverse Ranges; San Gabriel Mountains, along the lower part of Josephine Peak Road near its intersection with Angeles Forest Hwy 1098 Comment
  UCR213791  Colutea arborescens Scott D. White, Justin M. Wood, Chris Huntley, Jamie Miner 2009-5-12 12688 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  RSA18527  Cordylanthus rigidus subsp. setiger Carl B. Wolf 1927-7-24 671 Los Angeles 1/2 mi east of Montrose 457 Comment
  RSA412300  Cordylanthus rigidus subsp. setiger Fordyce Griffiths Jr. 1910-06 3428 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  CAS-BOT-BC105651  Corethrogyne filaginifolia F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San gabriel Mts. 914 Comment
  CAS-BOT-BC105652  Corethrogyne filaginifolia F. Grinnell Jr. 1917-8-27 s.n. Los Angeles Upper Arroyo Seco Canyon [Canon], San Gabriel Mountains Comment
  CAS-BOT-BC105702  Corethrogyne filaginifolia Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mts., near Pasadena Comment
  CAS-BOT-BC105703  Corethrogyne filaginifolia Fordyce Grinnell, Jr. 1916-9-20 s.n. Los Angeles San Gabriel Mts., near Pasadena 2590 Comment
  CAS-BOT-BC105704  Corethrogyne filaginifolia Fordyce Grinnell 1915-9-4 s.n. Los Angeles San Gabriel Mts., upper Arroyo Seco Canyon [Canon] Comment
  CAS-BOT-BC105705  Corethrogyne filaginifolia Fordyce Grinnell 1903-12-22 26 Los Angeles San Gabriel Mts., upper Arroyo Seco Canyon [Canon], near Pasadena Comment
  CAS-BOT-BC105706  Corethrogyne filaginifolia Fordyce Grinnell 1903-12-1 43 Los Angeles Upper Arroyo Seco Canyon [Canon], near Pasadena Comment
  RSA0107700  Corethrogyne filaginifolia R. G. Swinney 2011-10-18 15847 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  RSA149753  Corethrogyne filaginifolia Wesley O. Griesel 1961-9-23 s.n. Los Angeles Switzers Camp. 762 Comment
  RSA455853  Corethrogyne filaginifolia Anonymous 1924-1 s.n. Los Angeles Crescenta. Comment
  RSA702445  Corethrogyne filaginifolia Scott D. White 2004-7-27 10631 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  UCR273163  Corethrogyne filaginifolia R. G. Swinney 2011-10-18 15847 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  POM356133  Corethrogyne filaginifolia var. filaginifolia Fordyce Grinnell Jr. 1915-9-6 s.n. Los Angeles Low hills, near Pasadena Comment
  POM356134  Corethrogyne filaginifolia var. filaginifolia L. E. Hoffman 1927-8-19 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest, Clear Creek. Comment
  RSA600563  Cortaderia selloana L. C. Wheeler 1961-2-25 7800 Los Angeles San Gabriel Mountains. Arroyo Seco ca. 0.5 mile upstream from Oak Wilde. 579 Comment
  RSA603196  Cortaderia selloana L. C. Wheeler 1972-12-21 12793 Los Angeles San Gabriel Mountains: Millard Canyon, ca. 200 yards upstream from Southern California Edison Co. high tension line. 526 Comment
  UCR99458  Cortaderia selloana L. C. Wheeler 1972-12-21 12793 Los Angeles San Gabriel Mtns., Millard Canyon, c. 200 yards upstream from Southern California Edison Co. high tension line Comment
  CAS-BOT-BC287256  Cotula australis Louis C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mts: Gould Mesa Picnic Ground Comment
  CDA21782  Cotula australis L. C. Wheeler 1973-5-12 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Gould Mesa Picnic Ground. Comment
  RSA624643  Cotula australis L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Gould Mesa Picnic Ground. 427 Comment
  UCR142952  Cotula australis L. C. Wheeler 1936-3-8 4081 Los Angeles San Gabriel Mtns, Millard Canyon 457 Comment
  RSA639755  Crassula connata L. C. Wheeler 1969-4-5 s.n. Los Angeles San Gabriel Mountains: Vogel Flat, Big Tujunga Canyon. 556 Comment
  UCR142771  Crassula connata L. C. Wheeler 1967-4-23 9194 Los Angeles San Gabriel Mtns, N slope of Sunset Ridge at edge of firebreak by Millard Canyon 610 Comment
  RSA624462  Crassula tillaea L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Arroyo Seco between El Prieto and Fern Canyon. 373 Comment
  RSA639757  Crassula tillaea L. C. Wheeler 1969-4-5 s.n. Los Angeles San Gabriel Mountains: Vogel Flat, Big Tujunga Canyon. 556 Comment
  UCR142755  Crassula tillaea L. C. Wheeler 1967-5-7 9286 Los Angeles San Gabriel Mtns, vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon, north side of Sunset Ridge, northeast of reservoir 625 Comment
  UCR142772  Crassula tillaea L. C. Wheeler 1967-4-23 9193 Los Angeles San Gabriel Mtns, N slope of Sunset Ridge at edge of firebreak by Millard Canyon 610 Comment
  RSA600261  Croton californicus L. C. Wheeler 1947-7-11 6547 Los Angeles San Gabriel Mtns: Millard Canyon. Mesa between Millard Canyon and Arroyo Seco. Comment
  RSA621022  Croton californicus L. C. Wheeler 1965-12-4 s.n. Los Angeles San Gabriel Mountains.: Arroyo Seco, in vicinity of Pine Canyon. Comment
  UCD141990  Croton californicus Louis C. Wheeler 1965-12-4 s.n. Los Angeles San Gabriel Mountains; Arroyo Seco, in vicinity of Pine Canyon. Comment
  RSA711455  Crypsis schoenoides LeRoy Gross, John Gross, Johnny Gross, Matthew Gross 2005-11-11 2439 Los Angeles Big Tujunga Canyon across from the mouth of Vasquez Creek. 610 Comment
  RSA747746  Cryptantha clevelandii Scott D. White, J. Wood, J. Miner 2009-5-12 12706 Los Angeles Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCR213786  Cryptantha clevelandii Scott D. White, Justin M. Wood, Jamie Miner 2009-5-12 12706 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  HSC12504  Cryptantha intermedia Wendell Wood 1970-6-24 50 Los Angeles Angeles Crest Hwy., 6 mi. beyond intersection of Foothill Blvd. 762 Comment
  SFV15332  Cryptantha intermedia J. C. Dittes, D. Stolp 1990-3-10 40 Los Angeles San Gabriel Mountains Riverbed of Big Tujunga River, 1 mile upstream of the flood control reservoir. 732 Comment
  SFV15348  Cryptantha intermedia J. C. Dittes, D. Stolp 1990-4-1 66 Los Angeles San Gabriel Mountains Big Tujunga Canyon, Vogel Flats. 550 Comment
  UCR114186  Cryptantha intermedia A. C. Sanders, D. Malueg 1998-6-24 22066 Los Angeles San Gabriel Mtns., E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Cyn. Rd., ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  UCR136844  Cryptantha intermedia John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  RSA0013202  Cryptantha microstachys Orlando Mistretta, Christine Mistretta 2011-7-13 5932 Los Angeles Big Tujunga Cyn. Along Angeles Forest Hwy, 1.0 miles W of junction With Big Tujunga Cyn Road. 793 Comment
  RSA164789  Cryptantha microstachys Wesley O. Griesel 1961-5-19 341 Los Angeles State Hwy 2, La Canada Burn, San Gabriel Mts. 609 Comment
  UCR136829  Cryptantha microstachys John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR114187  Cryptantha muricata A. C. Sanders, D. Malueg 1998-6-24 22067 Los Angeles San Gabriel Mtns., E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Cyn. Rd., ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  UCSB5541  Cryptantha muricata Wilson, Richard 1958-5-10 Los Angeles 6 miles North of Foothill Blvd. on Angeles Crest Highway 1066 Comment
  RSA0104906  Cryptantha muricata var. denticulata R. G. Swinney 2011-10-18 15842 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  UCR273293  Cryptantha muricata var. denticulata R. G. Swinney 2011-10-18 15842 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  RSA0079575  Cryptantha muricata var. muricata Dorothy Davis 1923-4-29 s.n. Los Angeles La Canada. Comment
  UCR146494  Cupressus arizonica Scott D. White 2004-7-27 10645 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  RSA703237  Cupressus arizonica subsp. arizonica Scott D. White 2004-7-27 10645 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  RSA802431  Cuscuta californica var. californica Orlando Mistretta, Cher Batchelor 2011-7-27 5991 Los Angeles Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31. 975 Comment
  RSA409722  Cuscuta subinclusa Anstruther Davidson 1890-09 s.n. Los Angeles Millards Canon, Pasadena. Comment
  UCR207603  Cuscuta subinclusa O. F. Clarke 2004-7-11 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  RSA604542  Cylindropuntia californica var. parkeri L. C. Wheeler 1968-10-1 s.n. Los Angeles San Gabriel Mountains: Vogel Flat, Big Tujunga Canyon. 556 Comment
  UCR132292  Cyperus eragrostis John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
  UCR132942  Cyperus eragrostis Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  CDA4095  Cytisus canariensis T. C. Fuller, T. Suzuki 1959-3-19 2090 Los Angeles North side Foothill Boulevard, in Arroyo, east of Hillard Avenue, La Canada. 0 Comment
  RSA622832  Cytisus monspessulanus L. C. Wheeler 1975-4-2 s.n. Los Angeles San Gabriel Mountains: Millard Canyon between Canyon Crest Road and National Forest Boundary. Comment
  RSA0103426  Datisca glomerata R. G. Swinney 2011-10-18 15811 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1021 Comment
  RSA431662  Datisca glomerata Albert J. Perkins 1920-5-29 s.n. Los Angeles Arroyo Seco. Comment
  UCR273231  Datisca glomerata R. G. Swinney 2011-10-18 15811 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  RSA421877  Datura wrightii D. S. Krause 1939-07 s.n. Los Angeles Hillsides above La Canada Comment
  SBBG120504  Datura wrightii R. Burgess, P. Munro 1999-6-27 3459 Ventura El Rio area, S of jct of El Rio Drive and Town Center Drive; Oxnard 6 Comment
  UCR136826  Daucus pusillus John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  RSA394502  Delphinium cardinale Fordyce Grinnell Jr. 1910-06 1788 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  SBBG71727  Delphinium cardinale M. N. Ackley -May-1922 890 Los Angeles La Crescenta 457 Comment
  UCR132356  Delphinium cardinale John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  UCR172708  Delphinium decorum Jun Hu, Weena Sangkatavat 2000-4-22 05 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  UCR172783  Delphinium decorum Wayne Law, Jun Hu 2000-4-30 10 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  RSA398741  Delphinium parryi Unspecified s.n. Los Angeles Milard's Canyon [Millard Canyon]. Comment
  CAS-BOT-BC116393  Delphinium patens subsp. hepaticoideum John H. Thomas 1957-5-11 6750 Los Angeles San Gabriel Mtns: About 3 miles north of La Canada near Angeles Crest Highway. 762 Comment
  JEPS60584  Delphinium patens subsp. hepaticoideum Frank W. Peirson 1918-5-19 50 Los Angeles Millards Canyon 609 Comment
  RSA149810  Delphinium patens subsp. hepaticoideum Wesley O. Griesel 1961-4-18 s.n. Los Angeles Switzers Inlet, San Gabriel Mountains. 762 Comment
  SBBG15507  Delphinium patens subsp. hepaticoideum W. G. Webb 1935-4-17 Los Angeles Arroyo Seco Comment
  UCSB1968  Delphinium patens subsp. hepaticoideum Wedberg, Lee 1954-4-10 Los Angeles Upper Arroyo Seco Canyon 914 Comment
  UCSB1969  Delphinium patens subsp. hepaticoideum Sage, Paul 1958-2-21 Los Angeles Millard Canyon, 1/4 mi, below waterfall; 200 yards above stream. Altadena. 609 Comment
  CAS-BOT-BC82896  Dendromecon rigida Geo. B. Grant 1904-6-17 6300 Los Angeles Arroyo Seco Canyon. Comment
  CHSC3676  Dendromecon rigida Mary Mae Arthur 1966-5-26 33 Los Angeles Switzers camp- San Gabriel Mts. 914 Comment
  CHSC3730  Dendromecon rigida Sue Boergadine 1966-5-26 Los Angeles Switzer's Camp. 762 Comment
  HSC12309  Dendromecon rigida Wendell Wood 1970-6-24 40 Los Angeles Angeles Crest Hwy., 6 mi. beyond intersection of Foothill Blvd. 762 Comment
  JEPS51667  Dendromecon rigida Frank W. Peirson 1919-5-21 408 Los Angeles Arroyo Seco Canyon; San Gabriel Mountains 914 Comment
  JEPS75649  Dendromecon rigida Frank W. Peirson 1919-5-21 408 Los Angeles Arroyo Seco Canyon; San Gabriel Mountains 914 Comment
  NY42970  Dendromecon rigida J. B. Walker 1995-3-29 1290 Los Angeles Angeles National Forest, Angeles Crest Hwy, 6km W of Rt N3 1000 Comment
  OBI34047  Dendromecon rigida Mark Schneider 1973-5-12 28 Los Angeles vogel Flats, Big Tujunga Cyn 792 Comment
  RSA0104903  Dendromecon rigida R. G. Swinney 2011-10-18 15836 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA433207  Dendromecon rigida N. C. Cooper 1949-6-18 4215 Los Angeles Angeles Crest Highway 762 Comment
  RSA433213  Dendromecon rigida Geo. L. Moxley 1915-7-19 385 Los Angeles Arroyo Seco Canyon: ca. 1/2 mi above Switzer's Canyon Comment
  RSA433221  Dendromecon rigida H. Wells 1968-3-17 12 Los Angeles Angeles Natl. Forest. 7.5 miles north northeast junction of State Hwy. 118 and State Hwy. 2, on Angeles Crest Hwy. 976 Comment
  RSA580961  Dendromecon rigida Jamie Kneitel 1995-4-8 16 Los Angeles Angeles Crest Hwy: 4.7 mi. N of Ranger Station. 279 Comment
  RSA648683  Dendromecon rigida Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 32 Los Angeles 5.2 miles past [the] Pasadena on rocky cliff on left side of road as one is going up into mountains, no pull off. Comment
  RSA66283  Dendromecon rigida F. W. Peirson 1921-3-3 4320 Los Angeles Arroyo Seco, near Pasadena 351 Comment
  SFV15334  Dendromecon rigida J. C. Dittes, D. Stolp 1990-3-10 38 Los Angeles San Gabriel Mountains Streambed of Big Tujunga River, 0.5 miles upstream of the flood control reservoir. 732 Comment
  SFV16792  Dendromecon rigida J. D. Dilley, J. M. Kneitel 1997-2-23 s. n. Los Angeles San Gabriel Mountains Big Tujunga Canyon Road, about 1 mile east of ranger station. Comment
  UCD95176  Dendromecon rigida James Dilley; Jaime Kneitel 1997-2-23 s.n. Los Angeles Angeles National Forest, Big Tujunga Canyon Rd., about 1 mile E of ranger station. Comment
  UCR273280  Dendromecon rigida R. G. Swinney 2011-10-18 15836 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  RSA433205  Dendromecon rigida subsp. rigida W. P. Burger 1979-5-5 70 Los Angeles Angeles Forest Highway: 3 mi. from juction with Angeles Crest Highway. 915 Comment
  RSA562192  Dendromecon rigida subsp. rigida D. Charlton 1989-4-30 2962 Los Angeles San Gabriel Mtns. Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  JEPS53437  Descurainia pinnata Frank W. Peirson 1919-1-25 309 Los Angeles Arroyo Seco; San Gabriel Mountains 381 Comment
  CAS-BOT-BC402269  Dicentra chrysantha Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mts. near Pasadena Comment
  CHSC3682  Dicentra chrysantha Mary Mac Arthur 1966-5-26 27 Los Angeles Switzers camp- San Gab. Mts. 914 Comment
  RSA433590  Dicentra chrysantha Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail. Comment
  UCR48852  Dicentra chrysantha Steve Morgan 1974-5-17 142 Los Angeles San Gabriel Mtns., Big Tujunga Canyon, 0.5 mi. east of Big Tujunga Canyon Road, at a point 10.9 mi. north of Mt. Gleason Ave. 701 Comment
  JEPS64192  Dichelostemma capitatum Frank W. Peirson 1918-5-21 7 Los Angeles Arroyo Seco San Gabriel Mts. Comment
  SFV15351  Dichelostemma capitatum J. C. Dittes, D. Stolp 1990-4-1 s. n. Los Angeles San Gabriel Mountains Big Tujunga Canyon, Vogel Flats. 550 Comment
  RSA376841  Dichelostemma capitatum subsp. capitatum Dorothy Davis 1923-4-29 s.n. Los Angeles La Canada. Comment
  UCR4152  Dichelostemma capitatum subsp. capitatum R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns., along road, c. 2.5 miles into Arroyo Seco Canyon, Pasadena 427 Comment
  POM365099  Digitaria sanguinalis L. E. Hoffman 1932-8-16 s.n. Los Angeles Arroyo Seco, Angeles Forest. [San Gabriel Mountains]. Comment
  CHSC26280  Diplacus brevipes Dan Prettyman 1962-4-26 Los Angeles Switzers Inlet. 914 Comment
  CHSC3680  Diplacus brevipes M. MacArthur 1966-5-26 29 Los Angeles Switzers Camp- San Gabriel Mts. 914 Comment
  OBI9422  Diplacus brevipes Robert B. Goodrich 1962-3-26 s.n. Los Angeles Switzer's Inlet 914 Comment
  CAS-BOT-BC150628  Diplacus longiflorus Geo. L. Moxley 1927-5-1 s.n. Los Angeles La Crescenta Comment
  CAS-BOT-BC67908  Dryopteris arguta unspecified 1901-4-14 3851 Los Angeles Arroyo Seco Canyon Comment
  CAS-BOT-BC67950  Dryopteris arguta Le Roy Abrams 1899-3-1 219 Los Angeles Millard's Canyon Comment
  RSA0105037  Dryopteris arguta R. G. Swinney 2011-10-18 15805 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA693697  Dryopteris arguta L. E. Hoffman 1930-5-5 s.n. Los Angeles Millard's Canyon, Angeles National Forest Comment
  RSA693703  Dryopteris arguta L. E. Hoffman 1931-11-25 s.n. Los Angeles Millard's Canyon, Angeles National Forest Comment
  RSA693705  Dryopteris arguta T. S. Clare 1930-3-2 14620 Los Angeles Oakwilde [Arroyo Seco] Comment
  RSA702442  Dryopteris arguta Scott D. White 2004-7-28 10652 Los Angeles Clear Creek area. In and around eThe Pines' picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  SEINET13276776 Image available Dryopteris arguta R. G. Swinney 2011-1 15805 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy (Condor Peak 7.5' Q.) (T2N R12W) 1021 Comment
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Aug 24 2017
  SEINET3871644  Dryopteris arguta Scott D. White 2004-7-28 10652 Los Angeles San Gabriel Mountains: Clear Creek area. In and around 'the Pines' picnic area, immediately S of Angeles Forest Hwy, ca 0.5 mi W of jtn. with Angeles Crest Hwy. Condor Peak.; 0 976 Comment
  UC62808  Dryopteris arguta Ernest Braunton Jan. 1903 807 Los Angeles Arroyo Seco Comment
  UCR132297  Dryopteris arguta John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  UCR132304  Dryopteris arguta John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
  UCR146526  Dryopteris arguta Scott D. White 2004-7-28 10652 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  UCR273382  Dryopteris arguta R. G. Swinney 2011-10-18 15805 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  RSA229183  Dudleya cymosa subsp. pumila R. F. Thorne, C. W. Tilforth 1971-6-29 40726 Los Angeles Lucas Canyon 915 Comment
  RSA748849  Dudleya cymosa subsp. pumila Scott D. White, Justin M. Wood, C. Huntley, J. Miner 2009-5-12 12690 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UC1015160  Dudleya cymosa subsp. pumila Reid Moran 1948-6-10 3088 Los Angeles Arroyo Seco 914 Comment
  UC1178503  Dudleya cymosa subsp. pumila Peter Kamb 1947-5-25 531 Los Angeles above Sunset Ridge guard station (Millard's Canyon); San Gabriel Mtns 670 Comment
  UC933296  Dudleya cymosa subsp. pumila Reid Moran 1949-5-31 3271 Los Angeles Arroyo Seco 762 Comment
  UC933317  Dudleya cymosa subsp. pumila Reid Moran 1947-5-18 2196 Los Angeles La Canada-Palmdale Rd Upper Big Tujunga 883 Comment
  SEINET3089224 Image available Dudleya densiflora E. R. Blakley 1953-4-18 H- 2041 Los Angeles Cultivated at Desert Botanical Garden, Phoenix, Maricopa County, Arizona. Lat. 33.462077, Lon. -111.945098, elev 392 m. Sent from unknown location in S. Calif. 392 Comment
  RSA18522  Dudleya lanceolata C. B. Wolf 1927-7-24 676 Los Angeles 1/2 mile east of Montrose Comment
  RSA0103474  Dysphania botrys R. G. Swinney 2011-10-18 15809 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1021 Comment
  UCR273270  Dysphania botrys R. G. Swinney 2011-10-18 15809 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  UCD98815  Dysphania multifida Louis C. Wheeler 1947-4-13 8936 Los Angeles San Gabriel Mountains: Ridge on south side of Millard Canyon. 640 Comment
  RSA0091682  Dysphania pumilio Bonnie C. Templeton 1967-8-1 10221 Los Angeles Clear Creek Forest Service Station at head of Clear Creek off Big Tujunga. Comment
  UCR132936  Echinochloa crus-galli Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  UCR147717  Echinodorus berteroi L. C. Wheeler 1953-9-27 7052 Los Angeles San Gabriel Mountains, San Gabriel Mountains: Arroyo Seco, just upstream 100 yards from Pasadena water intake Comment
  HSC12521  Ehrendorferia chrysantha Wendell Wood 1970-6-24 48 Los Angeles Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  UCSB33704  Ehrendorferia chrysantha Miller, Brian 1960-7-13 Los Angeles Switzer's Inlet, San Gabriel Mountains 914 Comment
  POM359919  Elymus elymoides subsp. elymoides Gary D. Wallace 1979-5-26 1850 Los Angeles San Gabriel Mountains: along Angeles Forest Highway just west of Clear Creek Ranger Station Comment
  CHSC12146  Emmenanthe penduliflora var. penduliflora L. M. Mayer 1973-4-21 99 Los Angeles Abundant at the base of the cliff; ca. 20 off the road through Big Tujunga Canyon, ca 7 mi ne of the intersection of Foothill Blvd and Mt. Gleason Ave. 609 Comment
  RSA401547  Emmenanthe penduliflora var. penduliflora Fordyce Grinnell Jr. 1910-06 3151 Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  OBI35914  Epilobium canum J. & B. Semple, B. Semple 1981-8-14 5595 Los Angeles CA-2 N of La Canada Flintridge boudnary of Natl Forest (San Gabriel Mts) Comment
  UCR132295  Epilobium canum John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  CAS-BOT-BC166188  Epilobium canum subsp. canum R. J. Dobbs 1924-8-6 s.n. Los Angeles 4/5 mile north of Swetzer [Switzer] Stream Trail Comment
  CAS-BOT-BC166189  Epilobium canum subsp. canum R. J. Dobbs 1927-7-15 s.n. Los Angeles Lower Arroyo Comment
  CAS-BOT-BC166217  Epilobium canum subsp. canum Francis M. Fultz 1923-11-18 1129 Los Angeles Millard's Canyon, San Gabriel Mts. Comment
  CAS-BOT-BC166218  Epilobium canum subsp. canum F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro [Canon] Canyon, near Pasadena - San Gabriel Mts. Comment
  CAS-BOT-BC166220  Epilobium canum subsp. canum F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San Gabriel Mts. 914 Comment
  CAS-BOT-BC166221  Epilobium canum subsp. canum Fordyce Grinnell 1903-12-22 9 Los Angeles Arroyo Seco [Canon] Canyon, near Pasadena Comment
  CAS-BOT-BC166258  Epilobium canum subsp. canum R. J. Dobbs 1927-11-11 s.n. Los Angeles Lower Arroyo Comment
  CAS-BOT-BC166260  Epilobium canum subsp. canum G. L. M. 1904-9-7 281 Los Angeles Arroyo Seco Canyon Comment
  CAS-BOT-BC166268  Epilobium canum subsp. canum A. J. McClatchie 1893-8-16 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC166270  Epilobium canum subsp. canum F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro [Canon] Canyon, near Pasadena, San Gabriel Mts. Comment
  POM21340  Epilobium canum subsp. canum Fordyce Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena; San Gabriel Mts. Comment
  RSA588402  Epilobium canum subsp. canum G. R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  CAS-BOT-BC171920  Epilobium canum subsp. latifolium Fordyce Grinnell 1916-9-2 s.n. Los Angeles Near Pasadena, San Gabriel Mts. Comment
  POM21345  Epilobium canum subsp. latifolium Fordyce Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena; San Gabriel Mts. Comment
  POM308134  Epilobium canum subsp. latifolium Henry J. Ramsey 1937-9-2 2941 Los Angeles 2 miles below Mt. Wilson. 1524 Comment
  RSA588441  Epilobium canum subsp. latifolium L. E. Hoffman 1931-9-25 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest: Dark Canyon. Comment
  UCR134332  Epilobium ciliatum Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  RSA702437  Epilobium ciliatum subsp. ciliatum Scott D. White 2004-7-28 10659 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  RSA802061  Epilobium ciliatum subsp. ciliatum Orlando Mistretta, Kristie Haydu 2011-7-20 5967 Los Angeles Arroyo Seco Canyon area. Angeles Crest Hwy near junction with Grizzly Flat Road. 902 Comment
  UCR273220  Epilobium ciliatum subsp. ciliatum R. G. Swinney 2011-10-18 15818 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  RSA381704  Epipactis gigantea Anstruther Davidson 1893-6-12 1917 Los Angeles Switzer's Trail Comment
  SBBG58843  Epipactis gigantea M. N. Ackley 1927-6-5 694 Los Angeles trail to Switzerland, waterfall area 762 Comment
  UCR785  Equisetum hyemale subsp. affine R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns., Pasadena, at base of second waterfall in Pine Canyon off Arroyo Seco Canyon 457 Comment
  RSA600680  Equisetum hyemale var. affine L. C. Wheeler 1967-12-10 s.n. Los Angeles San Gabriel Mountains: Fern Canyon, off Arroyo Seco at Brown Mountain Road. 701 Comment
  CAS-BOT-BC57322  Equisetum laevigatum Samuel B. Parish 1895-11-23 3612 Los Angeles Arroyo Seco, Pasadena Comment
  RSA684607  Equisetum laevigatum Albert J. Perkins 1918-1-13 s.n. Los Angeles Switzer s Camp Comment
  UC122522  Equisetum laevigatum Samuel B. Parish 1895-11-28 3612 Los Angeles Arroyo Seco Pasadena Comment
  RSA0107972  Eriastrum densifolium subsp. austromontanum Cheryl A. Lawson 1971-7-9 413 Los Angeles Vogel Flats, Big Tujunga Canyon, San Gabriel Mountains, Angeles National Forest. Comment
  SBBG58308  Eriastrum pluriflorum M. N. Ackley -Jun-1926 Los Angeles Big Tujunga Cyn Comment
  SBBG62602  Ericameria cuneata C. M. Hoak, M. N. Ackley 1930-12-7 195 Los Angeles Big Tujunga Lake 609 Comment
  CHSC100221  Ericameria cuneata var. cuneata John Dittes 2006-11-18 1431 Ventura Western Transverse Range; San Gabriel Mtns.; Clear Creek Canyon; ca. 1.5 air-mile west of Josephine Peak, ca. 0.9 air-mile southeast of Big Tujunga Dam and 1.6 air-mile northwest of intersection of Hwy-2 and Angeles Forest Highway; small drainage north of Angeles Forest Highway; on barren near vertical rock outcrops. 990 Comment
  POM359338  Ericameria cuneata var. cuneata L. E. Hoffman 1927-07 s.n. Los Angeles Clear Creek, Angeles Nat'l Forest. Comment
  RSA0013201  Ericameria cuneata var. cuneata Orlando Mistretta, Christine Mistretta 2011-7-13 5933 Los Angeles Big Tujunga Cyn. Along Angeles Forest Hwy, 1.0 miles W of junction With Big Tujunga Cyn Road. 793 Comment
  CAS-BOT-BC286888  Ericameria ericoides A. J. McC. 1892-10-1 105 Los Angeles Pasadena 609 Comment
  RSA699884  Ericameria linearifolia LeRoy Gross, Ted Anderson 2004-5-3 1216 Los Angeles Road started west of Mt. Lukens, down (Southeast) to a little west of Earl Canyon Road. (Angeles National Forest Road surveys. Roads, 2N76.1 & 2N76.2) 1380 Comment
  UC1870181  Ericameria linearifolia LeRoy Gross, Ted Anderson 2004-5-3 1216 Los Angeles Transverse Ranges; San Gabriel Mountains region; Road started west of Mt. Lukens, down (Southeast) to a little west of Earl Canyon Road. (Angeles National Forest Road surveys. Roads, 2N76.1 & 2N76.2) 1380 Comment
  CAS-BOT-BC298886  Ericameria nauseosa var. bernardina Fordyce Grinnell 1915-9-4 s.n. Los Angeles Above Arroyo Seco. West Fork Divide. San Gabriel Mts Comment
  RSA0106844  Ericameria parishii R. G. Swinney 2011-10-18 15845 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  UCR143332  Ericameria parishii Anstruther Davidson 1916-1 3146 Los Angeles San Gabriel Mtns, La Crescenta [between Verdugo Mtns and San Gabriel Mtns] 610 Comment
  UCR273160  Ericameria parishii R. G. Swinney 2011-10-18 15845 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  CAS-BOT-BC131649  Ericameria parishii var. parishii R. J. Dobbs 1924-8-25 s.n. Los Angeles Slope of Club Peak near Switzers Comment
  CAS-BOT-BC131650  Ericameria parishii var. parishii F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San Gabriel Mts. 914 Comment
  CAS-BOT-BC131657  Ericameria parishii var. parishii Geo. L. Moxley 1914-9-7 275 a Los Angeles Trail to Switzer's camp, ridge above [Arroya] Arroyo Seco Comment
  POM359448  Ericameria parishii var. parishii Albert J. Perkins 1928-09 s.n. Los Angeles Clear Creek Trail, Sierra Madre Mountains Comment
  POM359462  Ericameria pinifolia Fordyce Grinnell Jr. 1911-06 s.n. Los Angeles Longs Canyon, San Gabriel Mts. Comment
  POM357474  Erigeron foliosus Fordyce Grinnell Jr. 1910-7-22 3859 San Bernardino San Gabriel Mts. Comment
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Feb 19 2017
  CAS-BOT-BC296206  Erigeron foliosus var. foliosus Fordyce Grinnell 1915-9-4 s.n. Los Angeles Above Arroyo Seco, West Fork Divide, San Gabriel Mts. Comment
  POM357476  Erigeron foliosus var. foliosus Fordyce Grinnell Jr. 1910-7-22 s.n. Los Angeles Switzer's Camp 915 Comment
  CHSC3679  Eriodictyon Mary MacArthur 1966-5-26 30 Los Angeles Switzers Camp, San Gabriel Mountains. 91 Comment
  CHSC3729  Eriodictyon Sue Boergadine 1966-5-26 Los Angeles Switzer's Camp. 762 Comment
  A402805  Eriodictyon crassifolium J. G. Jack 1907-7-13 Unknown Las Casetas Canon, Pasadena Comment
  CAS-BOT-BC189064  Eriodictyon crassifolium G. L. Moxley 1927-5-1 s.n. Los Angeles La Crescenta Comment
  UCR97330  Eriodictyon crassifolium David Charlton 1989-4-30 2960 Los Angeles San Gabriel Mtns., Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  CAS-BOT-BC189112  Eriodictyon crassifolium var. crassifolium Geo. B. Grant 1904-5-5 6191 Los Angeles Arroya Seco Comment
  RSA454996  Eriodictyon crassifolium var. crassifolium L. E. Hoffman 1926-3-18 s.n. Los Angeles Arroyo Seco Comment
  RSA454999  Eriodictyon crassifolium var. crassifolium W. P. Burger 1979-5-18 107 Los Angeles picnic area just east of jct of Angeles Forest Hwy and Angeles Crest Hwy. 915 Comment
  RSA455000  Eriodictyon crassifolium var. crassifolium L. E. Hoffman 1931-11-9 s.n. Los Angeles San Gabriel Mountains: Millards Canyon, Angeles National Forest. Comment
  RSA711111  Eriodictyon crassifolium var. crassifolium Tim Thibault, K. E. Olshewsky 2004-5-22 266 Los Angeles fire road off Hwy. 2 910 Comment
  CAS-BOT-BC189156  Eriodictyon crassifolium var. nigrescens J. H. Thomas 1957-5-11 6757 Los Angeles San Gabriel Mountains, about 4.5 miles N of La Canada 975 Comment
  CAS-BOT-BC189191  Eriodictyon crassifolium var. nigrescens R. J. Dobbs 1927-4-19 s.n. Los Angeles 2 miles below Switzers old trail, San Gabriel Mountains 822 Comment
  CAS-BOT-BC189192  Eriodictyon crassifolium var. nigrescens R. J. Dobbs 1927-6-7 s.n. Los Angeles 1.5 mile below Switzers old trail, San Gabriel Mountains Comment
  GH402860  Eriodictyon crassifolium var. nigrescens D. M. Ferguson 1993-6-23 27 Unknown On highway 2, near Clear Creek Ranger Station, Angeles National Forest Comment
  RSA454993  Eriodictyon crassifolium var. nigrescens Fordyce Grinnell Jr. 1916-03 s.n. Los Angeles Arroyo Seco Canyon Comment
  RSA455003  Eriodictyon crassifolium var. nigrescens Fordyce Grinnell Jr. 1910-06 s.n. Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA580962  Eriodictyon crassifolium var. nigrescens Jamie Kneitel 1995-4-9 18 Los Angeles San Gabriel Mountains, 100 m. off Angeles Forest Highway, 3.5 miles north of junction with Angeles Crest Highway 915 Comment
  RSA607711  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1947-7-11 6546 Los Angeles San Gabriel Mountains: Millard Canyon. Mesa between Millard Canyon and Arroyo Seco. 442 Comment
  RSA638927  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1946-8-27 6247 Los Angeles intersection of Angeles Crest Highway & Angeles Forest Highway on ridge between Arroyo Seco and Tujunga Canyon. 1113 Comment
  RSA747738  Eriodictyon crassifolium var. nigrescens Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12693 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  RSA753995  Eriodictyon crassifolium var. nigrescens Doug Tolbert 1970-5-8 700508 -04 Los Angeles Angeles National Forest, road to Switzer s Camp, 200 yards from junction with State Route 2 1098 Comment
  UCD119243  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1946-8-27 6247 Los Angeles San Gabriel Mountains: Intersection of Angeles Crest Highway and Angeles Forest Highway on ridge between Arroyo Seco and Tujunga Canyon. Comment
  UCR114189  Eriodictyon crassifolium var. nigrescens A. C. Sanders, D. Malueg 1998-6-24 22070 Los Angeles San Gabriel Mtns., E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Cyn. Rd., ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  SBBG65108  Eriodictyon parryi M. N. Ackley 1927-6-5 388 Los Angeles trail to Switzerland Comment
  CAS-BOT-BC214385  Eriodictyon trichocalyx Fordyce Grinnell 1915-9-4 s.n. San Bernardino Upper Arroyo Seco Canon [Canyon], San Gabriel Mts. Comment
  GH402929  Eriodictyon trichocalyx B. R. Jackson 1941-06-01 - 1941-07-01 Unknown Road up to Mt. Wilson from La Canada Comment
  RSA455076  Eriodictyon trichocalyx var. trichocalyx Robert Gustafson 1963-5-17 s.n. Los Angeles ca 3 mi southwest of the Mt. Wilson turnoff on Angeles Crest Hwy. 1585 Comment
  RSA229194  Eriogonum davidsonii Robert F. Thorne, C. W. Tilforth 1971-6-29 40725 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  RSA766427  Eriogonum elongatum Raymond J. Dobbs 1927-8-20 s.n. Los Angeles [Switzers?] Comment
  RSA766428  Eriogonum elongatum Raymond J. Dobbs 1927-11-1 s.n. Los Angeles Near Waterman [Station?]. San Gabriel Mtns. 976 Comment
  RSA782014  Eriogonum elongatum Elizabeth A. Kempton, Eric Paul 2006-8-11 441 Los Angeles Angeles National Forest. Along Hwy. 2 at turnout 719 Comment
  UCR245425  Eriogonum elongatum Elizabeth A. Kempton, Eric Paul 2006-8-11 441 Los Angeles San Gabriel Mountains, Angeles National Forest, along Hwy 2 at turnout 719 Comment
  CAS-BOT-BC249763  Eriogonum elongatum var. elongatum F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canon [Canyon], near Pasadena, San Gabriel Mts. Comment
  RSA393488  Eriogonum elongatum var. elongatum L. E. Hoffman 1931-11-5 s.n. Los Angeles Millard's Canyon, Angeles National Forest, San Gabriel Mountains. Comment
  A364032  Eriogonum fasciculatum J. G. Jack 1907-7-13 Unknown Pasadena, Las Casetas Canon Comment
  LA206778  Eriogonum fasciculatum M. Zaitlin; 1951-3-17 sn Los Angeles San Gabriel Mountains, Angeles Crest Highway 761 Comment
  CAS-BOT-BC253264  Eriogonum fasciculatum var. foliolosum Geo. L. Moxley 1927-5-1 s.n. Los Angeles La Crescenta Comment
  RSA0106499  Eriogonum fasciculatum var. foliolosum R. G. Swinney 2011-10-18 15835 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA329666  Eriogonum fasciculatum var. foliolosum Gary D. Wallace 1966-3-25 227 Los Angeles San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena. 915 Comment
  RSA393410  Eriogonum fasciculatum var. foliolosum D. S. Krause 1939-07 s.n. Los Angeles Roadside, La Canada Comment
  RSA393416  Eriogonum fasciculatum var. foliolosum Fordyce Grinnell Jr. 1910-06 1469 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA393419  Eriogonum fasciculatum var. foliolosum L. E. Hoffman 1931-11-5 s.n. Los Angeles Millard's Canyon, Angeles National Forest, San Gabriel Mountains. Comment
  RSA65147  Eriogonum fasciculatum var. foliolosum Raymond J. Dobbs 1924-6-30 5387 Los Angeles San Gabriel Mountains: 1/4 mile above Switzers Camp 930 Comment
  SEINET6418476  Eriogonum fasciculatum var. foliolosum T. Reeves, S. Jordan 1975-5-18 2653 Los Angeles San Gabriel Mts. , 1.4 miles NE of La Canada on Highway 2 Comment
  UC1601627  Eriogonum fasciculatum var. foliolosum Miss E. D. Palmer 1905-1-29 Los Angeles Arroyo Seco Comment
  UCD99995  Eriogonum fasciculatum var. foliolosum Natalie deGarder 1992-5-30 14 Los Angeles Altadena, 1.5 miles from Highway 210 up Lincoln Road to top of Rising Hill Road. 588 Comment
  UCR273219  Eriogonum fasciculatum var. foliolosum R. G. Swinney 2011-10-18 15835 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  UCSB27667  Eriogonum fasciculatum var. foliolosum Lavinger, S. 1975-10-6 Los Angeles Angeles Crest Highway .3 miles north of Angeles Crest Ranger Station. San Gabriel Mountains 762 Comment
  RSA229200  Eriogonum fasciculatum var. polifolium Robert F. Thorne, C. W. Tilforth 1971-6-29 40729 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  RSA393457  Eriogonum fasciculatum var. polifolium Fordyce Grinnell Jr. 1910-06 1520 Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  RSA660764  Eriogonum fasciculatum var. polifolium Jeff Weiler 1981-4-26 33 Los Angeles La Canada, Earl Canyon Motorway. Trailhead: NW side of Palm Dr., .3 mi. N of intersection with Fairmount Ave. Comment
  RSA766109  Eriogonum fasciculatum var. polifolium Joseph A. Ewan 1932-6-18 7352 Los Angeles Clear Creek of Tujunga Drainage. San Gabriel Mts. 762 Comment
  CAS-BOT-BC253458  Eriogonum gracile F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon, near Pasadena, San Gabriel Mts. Comment
  RSA766125  Eriogonum nudum var. pauciflorum Raymond J. Dobbs 1927-11-1 s.n. Los Angeles Waterman Station. San Gabriel Mts. 976 Comment
  RSA0013196  Eriogonum saxatile Orlando Mistretta, Christine Mistretta 2011-7-13 5940 Los Angeles Big Tujunga Canyon, near head of Maple Cyn, S of Angeles Forest Hwy, 1.9 miles W of jct. of Angeles Forest Hwy and Angeles Crest Hwy. 942 Comment
  CAS-BOT-BC262859  Eriogonum thurberi Geo. L. Moxley 1927-5-1 s.n. Los Angeles La Crescenta Comment
  RSA766481  Eriogonum umbellatum var. munzii E. L. Peterson 1929-7-14 312 Los Angeles Big Tujunga Canyon, about 2 miles above Hansen. San Gabriel Mts. Comment
  POM357913  Eriophyllum confertiflorum George H. Lewis 1975-6-29 s.n. Los Angeles Hall Beckley Canyon, ca. 1-1/4 miles north of Foothill Blvd. on Palm Drive, La Canada. Comment
  POM357928  Eriophyllum confertiflorum Norman C. Cooper 1949-6-18 4213 Los Angeles Angeles Crest Highway 915 Comment
  POM357938  Eriophyllum confertiflorum Fordyce Grinnell Jr. 1910-05 s.n. Los Angeles La Crescenta Comment
  RSA659993  Eriophyllum confertiflorum Mary C. Hunter 1994-5-28 0034 Los Angeles Off Angeles Crest Hwy, West of highway heading North; Road marked 2647; Pasadena 457 Comment
  RSA660197  Eriophyllum confertiflorum Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 7 Los Angeles 3.8 miles from Pasadena city limits sign, on Angeles Crest Highway. Comment
  RSA695683  Eriophyllum confertiflorum Anonymous s.n Los Angeles Milard's Canyon [Millard Canyon]. Comment
  SFV16699  Eriophyllum confertiflorum P. Wilson, J. M. Albert 1996-6-12 3434 Los Angeles San Gabriel Mountains Off Highway 2 and mile marker 29.13. 823 Comment
  UCD132166  Eriophyllum confertiflorum M. A. Salazar 1969-8-12 s.n. Ventura Big Tujunga Canyon, ca. 3 miles north of Tujunga. 1828 Comment
  RSA753999  Eriophyllum confertiflorum var. confertiflorum Anonymous 670604 Los Angeles San Gabriel Mts., Angeles National Forest, Switzers campground 1006 Comment
  RSA600554  Erodium botrys Louis C. Wheeler 1959-5-26 7534 Los Angeles San Gabriel Mountains: Confluence of Arroyo Seco and Prieto Canyon. Comment
  UCR99464  Erodium brachycarpum L. C. Wheeler 1948-4-26 6636 Los Angeles Altadena. Canyon Crest Drive and Lincoln Avenue. 402 Comment
  UCR95470  Erodium cicutarium L. C. Wheeler 1967-3-3 9170 Los Angeles San Gabriel Mtns., Sunset Ridge, west of Chaney Trail Comment
  RSA592167  Erodium moschatum Louis C. Wheeler 1967-5-7 9292 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 655 Comment
  UC50330  Erysimum capitatum H. M. Hall Apr. 1903 3744 Los Angeles Arroyo Seco Comment
  JEPS53579  Erysimum capitatum var. capitatum Frank W. Peirson 1919-3-27 337 Los Angeles Arroyo Seco Canyon San Gabriel Mountains 411 Comment
  UCR4158  Erysimum capitatum var. capitatum R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon 426 Comment
  UCSB2326  Erysimum capitatum var. capitatum Sage, Paul 1959-3-1 Los Angeles 1 mile below end of Chainy Trail in Millard Canyon, Altadena 609 Comment
  UCSB2329  Erysimum capitatum var. capitatum Decker, Helen 1946-4-14 Los Angeles NE slope of Arroyo Seco Cyn., San Gabriel Mtns., Switzer's Camp 975 Comment
  UCSB2332  Erysimum capitatum var. capitatum Wedberg, Lee 1954-3-1 Los Angeles Millard Canyon, San Gabriel Mtns. 457 Comment
  RSA66735  Eschscholzia caespitosa subsp. caespitosa F. W. Peirson 1951-1 1888 Los Angeles Arroyo Seco, near Switzer's Trail, south slope of San Gabriel Mts. Comment
  CAS-BOT-BC403178  Eschscholzia californica Geo. B. Grant 1904-5-5 6199 Los Angeles Arroyo Seco Canyon Comment
  HSC12464  Eschscholzia californica Wendell Wood 1970-6-24 47 Los Angeles Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  SFV15333  Eucrypta chrysanthemifolia var. chrysanthemifolia J. C. Dittes 1990-3-10 39 Los Angeles San Gabriel Mountains Big Tujunga Canyon, 200 yards upstream of Big Tujunga flood control reservoir. 732 Comment
  JEPS31736  Eulobus californicus Frank W. Peirson 1919-3-27 349 Los Angeles hills w Arroyo Seco; San Gabriel Mountains 426 Comment
  RSA599733  Eupatorium adenophorum L. C. Wheeler 1967-12-10 s.n. Los Angeles San Gabriel Mountains: Fern Canyon, off Arroyo Seco at Brown Mountain Road. 701 Comment
  RSA747753  Euphorbia dendroides Scott D. White, Justin M. Wood, C. Huntley, J. Miner 2009-5-12 12685 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCR213793  Euphorbia dendroides Scott D. White, Justin M. Wood, Chris Huntley, Jamie Miner 2009-5-12 12685 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  RSA0091683  Euphorbia maculata Bonnie C. Templeton 1967-8-1 10222 Los Angeles Clear Creek Forest Service Station at head of Clear Creek off Big Tujunga. Comment
  RSA601709  Euphorbia maculata L. C. Wheeler 1967-10-23 s.n. Los Angeles San Gabriel Mountains: Angeles Crest Highway at North Fork Dark Canyon. 891 Comment
  RSA600755  Euphorbia peplus L. C. Wheeler 1967-6-16 9850 Los Angeles San Gabriel Mountains: North side of Sunset Ridge, south of Millard Canyon. 640 Comment
  RSA631085  Euphorbia peplus L. C. Wheeler 1947-4-13 6464 Los Angeles San Gabriel Mountains;: Sunset Ridge on south side of Millard Canyon. 640 Comment
  RSA632014  Euphorbia peplus L. C. Wheeler 1973-4-9 s.n. Los Angeles San Gabriel Mountains: Millard Canyon, just up stream from national forest boundary. Comment
  SD215498  Euphorbia peplus Louis C. Wheeler 1947-4-13 6464 Los Angeles San Gabriel Mountains: Sunset Ridge on south side of Millard Canyon. 640 Comment
  UCR132317  Euphorbia peplus John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  UCD142793  Euphorbia serpillifolia Louis C. Wheeler 1967-6-16 9858 Los Angeles San Gabriel Mountains. Millard Canyon. North side of Sunset Ridge under power line. 579 Comment
  CHSC95499  Euthamia occidentalis LeRoy Gross; John Gross, Johnny Gross, Matthew Gross 2005-11-11 2441 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Tujunga Canyon across from the mouth of Vasquez Creek. 610 Comment
  SD230134  Festuca californica Louis C. Wheeler 1972-5-21 Los Angeles San Gabriel Mountains: Millard Canyon, just inside National Forest Boundary. Comment
  UCR101239  Festuca californica L. C. Wheeler 1972-5-21 s.n. Los Angeles San Gabriel Mtns., MIllard Canyon, just inside National Forest Boundary Comment
  UCR114216  Festuca octoflora A. C. Sanders, D. Malueg 1998-6-24 22064 Los Angeles San Gabriel Mtns., E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Cyn. Rd., ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  RSA605899  Ficus carica Louis C. Wheeler 1968-10-27 s.n. Los Angeles San Gabriel Mtns.: Millard Canyon at about the National Forest Boundary. Comment
  RSA747740  Ficus carica Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12691 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCR132350  Ficus carica John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  RSA654863  Filago californica A. C. Sanders, D. Malueg 1998-6-24 22068 Los Angeles San Gabriel Mnts.: E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Canyon Road, ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  UCR114191  Filago californica A. C. Sanders, D. Malueg 1998-6-24 22068 Los Angeles San Gabriel Mtns., E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Cyn. Rd., ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  RSA0013205  Filago gallica Orlando Mistretta, Christine Mistretta 2011-7-13 5928 Los Angeles Big Tujunga Cyn. Along Angeles Forest Hwy, 1.0 miles W of junction With Big Tujunga Cyn Road. 793 Comment
  RSA594590  Filago gallica L. C. Wheeler 1967-5-7 9294 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 640 Comment
  UCR136843  Filago gallica John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  A425882  Frangula californica J. G. Jack 1907-7-12 Unknown Pasadena, Millard's Canon Comment
  HSC12476  Frangula californica Wendell Wood 1970-6-24 46 Los Angeles Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  CAS-BOT-BC52541  Frangula californica subsp. californica Le Roy Abrams 1901-4-7 1427 Los Angeles Arroyo Seco - above Devil's Gate, Pasadena Comment
  CAS-BOT-BC52558  Frangula californica subsp. californica Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  RSA0106487  Frangula californica subsp. cuspidata R. G. Swinney 2011-10-18 15825 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  UCR273228  Frangula californica subsp. cuspidata R. G. Swinney 2011-10-18 15825 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  RSA464907  Fraxinus dipetala Luellapearl Hammer 1929-05 s.n. Los Angeles Arroyo Canyon Comment
  CHSC3677  Galium angustifolium Mary MacArthur 1966-5-26 32 Los Angeles Sivrtzers camp - San Gabriel Mts. 914 Comment
  SBBG119056  Galium angustifolium S. D. White 2004-7-27 10630 Los Angeles Clear Crk area, S side of Angeles Forest Hwy, ca. 0.2 mi W of jct with Angeles Crest Hwy; T2N R12W S8 1067 Comment
  UCR146492  Galium angustifolium Scott D. White 2004-7-27 10630 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  JEPS56096  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-16 4115 Los Angeles intersection of Angeles Forest Hwy with Angeles Crest Highway (s-facing canyon); San Gabriel Mountains Comment
  JEPS56098  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-16 4114 Los Angeles 0.2 mi e Vogel Canyon (s-facing slope); Big Tujunga Canyon Comment
  POM367672  Galium angustifolium subsp. angustifolium L. E. Hoffman s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
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Jan 1 2017
  POM367677  Galium angustifolium subsp. angustifolium Fordyce Griffiths Jr. 1910-06 s.n. Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  RSA702444  Galium angustifolium subsp. angustifolium Scott D. White 2004-7-27 10630 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  GH385641  Galium aparine L. E. Hoffman 5-13- Unknown Millard's Canyon, Angeles Forest Comment
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Jan 1 2017
  POM367618  Galium aparine L. E. Hoffman s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
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Jan 1 2017
  POM367751  Galium aparine L. E. Hoffman s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
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Jan 1 2017
  RSA652666  Galium aparine Richard L. Herrin 1948-3-29 s.n. Los Angeles In Fern Canyon off Arroyo Seco above Devil's Gate Dam. Altadena. Comment
  UCR4189  Galium aparine R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns., along road, about 1/2 mi north of gauging station in Arroyo Seco Canyon. Pasadena 427 Comment
  CAS-BOT-BC217511  Galium grande A. J. McC 1893-7-29 120 Los Angeles Pasadena 1219 Comment
  RSA229177  Galium porrigens var. porrigens Robert F. Thorne, C. W. Tilforth 1971-6-29 40727 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  RSA601632  Gamochaeta pensylvanica L. C. Wheeler 1967-6-16 9851 Los Angeles San Gabriel Mountains: North side of Sunset Ridge, south of Millard Canyon. 640 Comment
  RSA601633  Gamochaeta pensylvanica L. C. Wheeler 1967-6-16 9849 Los Angeles San Gabriel Mountains : North side of Sunset Ridge, south of Millard Canyon. 624 Comment
  RSA607827  Gamochaeta pensylvanica L. C. Wheeler 1947-7-4 6541 Los Angeles San Gabriel Mountains: El Prieto Canyon, off Millard Canyon 670 Comment
  UCR129779  Gamochaeta pensylvanica L. C. Wheeler 1936-3-8 4080 Los Angeles San Gabriel Mtns, Millard Canyon 457 Comment
  SBBG59820  Garrya flavescens S. W. Hutchinson 1928-1-29 375 Los Angeles near Grizzly Flats Reforestation camp 304 Comment
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Jun 26 2015
  CAS-BOT-BC158002  Garrya veatchii F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzers Camp, San Gabriel Mts 914 Comment
  CAS-BOT-BC158003  Garrya veatchii Fordyce Grinnell 1903-12-22 16 Los Angeles Switzer's Trail, Sierra Madra [Madre] Mts. near Pasadena Comment
  CAS-BOT-BC158004  Garrya veatchii Ernest Braunton 1903-1-10 791 Los Angeles Arroyo Seco 243 Comment
  CAS-BOT-BC158011  Garrya veatchii Fordyce Grinnell 1903-12-22 40 Los Angeles Arroyo Seco [Canon] Canyon near Pasade4na Comment
  CAS-BOT-BC158017  Garrya veatchii Robert F. Thorne 1971-6-26 40612 Los Angeles San Gabriel Mts., Angeles National Forest: Chaparral along Angeles Forest Road near Clear Creek School camp. 1036 Comment
  CAS-BOT-BC158022  Garrya veatchii Fordyce Grinnell 1916-3-18 s.n. Los Angeles San Gabriel Mts. near Pasadena Comment
  CAS-BOT-BC159269  Garrya veatchii John Thomas Howell 1928-2-18 3350 Los Angeles On trail to Switzer's, Arroyo Seco, San Gabriel Mts. Comment
  CAS-BOT-BC159274  Garrya veatchii John H. Thomas 1957-3-7 6491 Los Angeles South slope of San Gabriel Mts., near State Highway #2, Angeles Crest Highway, about 3.5 miles north of La Canada 914 Comment
  GH401949  Garrya veatchii R. F. Thorne 1971-6-26 40612 Unknown San Gabriel Mts., Angeles National Forest: along Angeles Forest Road near Clear Creek School camp., Clear Creek branch of Big Tujunga Canyon 1036 Comment
  GH401975  Garrya veatchii J. T. Howell 1928-2-18 3350 Unknown Trail to Switzer's Arroyo Seco, San Gabriel Mts. Comment
  LA40304  Garrya veatchii Joseph Andorfer Ewan; 1932-6-18 7354 Los Angeles San Gabriel Mountains, Clear Creek Fork of Tujunga Canyon 761 Comment
  POM184689  Garrya veatchii Joseph A. Ewan 1932-6-18 7354 Los Angeles Clear Creek Fork of Jujunga Canyon. 762 Comment
  RSA228864  Garrya veatchii Robert F. Thorne 1971-6-26 40612 Los Angeles San Gabriel Mts., Angeles National Forest: Clear Creek branch of Big Tujunga Canyon along Angeles Forest Road near Clear Creek School Camp. 1037 Comment
  RSA391423  Garrya veatchii Elbert Benjamine 1929-2-10 8468 Los Angeles Arroyo Seco, above Pasadena. 915 Comment
  RSA391425  Garrya veatchii Fordyce Grinnell Jr. 1910-06 s.n. Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  RSA391428  Garrya veatchii Elbert Benjamine 1929-2-10 8467 Los Angeles Arroyo Seco, above Pasadena. 915 Comment
  RSA391434  Garrya veatchii F. H. Elmore 1936-1-12 s.n. Los Angeles Switzer's Camp Comment
  RSA392402  Garrya veatchii Anstruther Davidson 1893-6-12 1898 Los Angeles Switzer's Trail. Comment
  RSA392406  Garrya veatchii Robert Gustafson 1977-4-5 403 Los Angeles In a small canyon off Angeles Crest Hwy. 7 miles from the junction with Foothill Blvd, San Gabriel Mts,. Comment
  RSA392409  Garrya veatchii Joseph A. Ewan 1932-7-4 7577 Los Angeles Millard's Canyon. 1067 Comment
  RSA630284  Garrya veatchii LeRoy Gross 1999-1-16 107 Los Angeles San Gabriel Moutains: Grizzly Flat Road (dirt). Above Grizzly Flat. South side near top of ridge. Looking down in the drainage of the Arroyo Seco. 1037 Comment
  RSA630285  Garrya veatchii LeRoy Gross 1999-1-16 106 Los Angeles San Gabriel Moutains: Grizzly Flat Road (dirt). Headwaters of Vasquez Creek, above Grizzly Flat. North side, near top of ridge. 1037 Comment
  RSA632869  Garrya veatchii Robert F. Thorne 1971-6-26 40612 Los Angeles San Gabriel Mts., Angeles National Forest: Clear Creek branch of Big Tujunga Canyon along Angeles Forest Road near Clear Creek School Camp. 1037 Comment
  RSA702183  Garrya veatchii Scott D. White 2004-7-27 10627 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  SEINET4041657  Garrya veatchii R. Gustafson 1977-1 403 Los Angeles Off Angeles Crest Highway about 7 miles from the junction with Foothill Blvd, San Gabriel Mountains. Comment
  UC56686  Garrya veatchii Ernest Braunton 1903-1-10 791 Los Angeles Arroyo Seco 243 Comment
  UC750625  Garrya veatchii Lewis S. Rose 1946-12-21 46299 Los Angeles 3 mi ne La Canada (Angeles Crest Highway) 609 Comment
  UCR143078  Garrya veatchii Fordyce Grinnell Jr. 1910-1 s.n. Los Angeles San Gabriel Mountains, Switzer's Trail Comment
  UCR146482  Garrya veatchii Scott D. White 2004-7-27 10627 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  UCSB41783  Garrya veatchii Dressler, Robert 1949-3-5 Los Angeles San Gabriel Mts.; 5 mi No. of Angeles Crest Guard Station Comment
  RSA229162  Gayophytum heterozygum Robert F. Thorne, C. W. Tilforth 1971-6-29 40734 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  CDA4131  Genista T. C. Fuller 1962-4-1 8156 Los Angeles Verdugo Mountains region; Naturalized on slope of Barranca N.E. of Foothill Blvd. & Hillard Ave. La Canada 0 Comment
  UC1414171  Genista T. C. Fuller 1962-4-10 8156 Los Angeles ne of Foothill Blvd and Hillard Ave, on slope of barranca La Canada Comment
  CDA4130  Genista canariensis T. C. Fuller 1962-4-1 8157 Los Angeles Verdugo Mountains region; Naturalized on slope of Barranca N.E. of Foothill Blvd. & Hillard Ave. La Canada 0 Comment
  GH366449  Genista canariensis L. C. Wheeler 1973-4-9 Unknown San Gabriel Mountains: Millard Canyon Comment
  RSA624576  Genista canariensis L. C. Wheeler 1973-4-9 s.n. Los Angeles Millard Canyon; approx. national forest boundary Comment
  CDA4087  Genista monspessulana T. C. Fuller 1962-4-1 8157 Los Angeles Verdugo Mountains region; Naturalized on slope of Barranca N.E. of Foothill Blvd. & Hillard Ave. La Canada 0 Comment
  UCD119672  Genista monspessulana Annabelle Kleist 2009-4-11 LC- 35 Los Angeles Los Angeles, Foothill Blvd. Comment
  RSA254319  Genista stenopetala T. C. Fuller 1962-4-10 8156 Los Angeles Naturalized on slope of Barranca N.E. of Foothill Blvd. & Hillard Ave. La Canada Comment
  SBBG39911  Gilia achilleifolia subsp. multicaulis W. G. Webb 1935-4-17 Los Angeles Arroyo Seco Comment
  UCSB41309  Gilia minor Miller, Brian 1960-7-12 Los Angeles Switzer's Camp, San Gabriel Mountains Comment
  UCR23181  Gilia splendens Polly Schiffman 1981-5-23 026 Los Angeles San Gabriel Mtns, 2 mi N on Angeles Crest Hwy from Ranger Station which is 3 mi north of La Canada-Flintridge 1067 Comment
  UCR265626  Glechoma hederacea Michael C. Long 2015-5-1 925 Los Angeles San Gabriel Mountains, Upper Arroyo Seco, c. 0.6 mi. southwest of Switzer's Picnic area, at first river crossing south of Switzer's, along east edge of trail 929.64 Comment
  RSA660195  Gnaphalium californicum Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 4 Los Angeles 3.8 miles from Pasadena city limits sign, on Angeles Crest Highway. Comment
  UCR136831  Gnaphalium californicum John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  CAS-BOT-BC304624  Gutierrezia californica Brandegee No date on label s.n. Los Angeles Arroyo Seco, San Gabriel Mts. 350 Comment
  POM359474  Hazardia squarrosa George R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  CAS-BOT-BC307280  Hazardia squarrosa var. grindelioides Fordyce Grinnell, Jr. 1903-12-22 7 Los Angeles Arroyo Seco Canyon, Sierra Madre Mts. near Pasadena Comment
  CAS-BOT-BC307281  Hazardia squarrosa var. grindelioides Fordyce Grinnell, Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena, San Gabriel Mts. Comment
  CAS-BOT-BC307283  Hazardia squarrosa var. grindelioides Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles Near Pasadena, San Gabriel Mts. Comment
  OBI28467  Hazardia squarrosa var. grindelioides J. & B. Sample, B. Sample 1981-8-14 5594 Los Angeles CA-2, N of La Canada Flintridge, boundry of Natl Forest (San Gabriel Mts) Comment
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Sep 15 2014
  POM359475  Hazardia squarrosa var. grindelioides F. R. Fosberg 1931-11-29 7079 Los Angeles La Crescenta Comment
  UCR132323  Hedera helix John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
  UCR132351  Hedera helix John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  CAS-BOT-BC223973  Helianthemum scoparium Geo. L. Moxley 1927-5-1 s.n. Los Angeles La Crescenta Comment
  RSA441777  Helianthemum scoparium L. E. Hoffman 1932-5-6 16306 Los Angeles Grizzly flats, San Gabriel Mts. Comment
  RSA600756  Helianthus annuus L. C. Wheeler 1967-6-16 9856 Los Angeles San Gabriel Mountains : North side of Sunset Ridge under power line, Millard Canyon. 579 Comment
  UC1953171  Helianthus californicus Mark A. Elvin with J. M. Porter, Anuja Parikh 2003-11-5 3099 Los Angeles Liebre Mountains: Agua Dulce Canyon Comment
  POM369751  Heliotropium curassavicum var. oculatum Lester Rowntree 1929-7-5 s.n. Los Angeles Arroyo Seco Road Comment
  UCR119552  Hesperocnide tenella L. C. Wheeler 1973-4-9 s.n. Los Angeles San Gabriel Mtns., Lower Millard Canyon, just south of culvert Comment
  SFV17577  Hesperocyparis nevadensis J. D. Dilley 1996-7-18 79 Los Angeles San Gabriel Mountains Big Tujunga Canyon Road, about 2 miles west of the dam._x000B_Growing in gravelly soil on south facing slope by road. 1220 Comment
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Jul 25 2018
  CHSC3722  Heteromeles arbutifolia Sue Boergadine 1966-5-26 Los Angeles Switzer's Camp. Comment
  RSA0104907  Heteromeles arbutifolia R. G. Swinney 2011-10-18 15841 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  RSA449820  Heteromeles arbutifolia D. S. Krause 1939-07 s.n. Los Angeles La Canada Comment
  RSA449826  Heteromeles arbutifolia Fordyce Griffiths Jr. 1910-06 2087 Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  RSA449827  Heteromeles arbutifolia L. E. Hoffman 1931-11-9 s.n. Los Angeles San Gabriel Mountains: Millards Canyon, Angeles National Forest. Comment
  UCR132299  Heteromeles arbutifolia John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  UCR273292  Heteromeles arbutifolia R. G. Swinney 2011-10-18 15841 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  UCR132935  Heterotheca sessiliflora Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  CAS-BOT-BC310846  Heterotheca sessiliflora subsp. fastigiata Fordyce Grinnell 1903-12-22 5 Los Angeles Arroyo Seco Canon [Canyon], Sierra Madre Mts. near Pasadena Comment
  CAS-BOT-BC310854  Heterotheca sessiliflora subsp. fastigiata F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San Gabriel Mts. 914 Comment
  OBI35961  Heterotheca sessiliflora subsp. fastigiata J. & B. Semple, B. Semple 1981-8-14 5592 Los Angeles Ca-2 N of La Canada Flintridge Boudnary of natl fores (San Gabriel Mts) Comment
  SBBG126040  Heuchera caespitosa O. Mistretta with C. Mistretta 2008-5-20 3136 Los Angeles Rincon Red Box Rd W fork of the San Gabriel River, N slope of Monrovia Pk; San Gabriel Mtns 1150 Comment
  CAS-BOT-BC317324  Heuchera elegans F. Grinnell Jr. 1910-6-20 s.n. Los Angeles Head of Long Canyon, San Gabriel Mountains 1295 Comment
  RSA0063272  Heuchera elegans Orlando Mistretta, Christine Mistretta 2008-5-20 3136 Los Angeles Rincon Red box Rd. W Fork of the San Gabriel River, N slope of Monrovia Pk. 1150 Comment
  CAS-BOT-BC123637  Hieracium argutum Fordyce Grinnell 1903-12-22 13 Los Angeles Sierra Madre Mts., near Pasadena, Arroyo Seco Canyon Comment
  CAS-BOT-BC319765  Hieracium argutum F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena, San Gabriel Mountains Comment
  POM21341  Hieracium argutum Fordyce Grinnell Jr 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena; San Gabriel Mts. Comment
  POM360459  Hieracium argutum Fordyce Grinnell Jr 1911-09 4046 Los Angeles Switzer's Trail. San Gabriel Mountains. Comment
  RSA360462  Hieracium argutum Anstruther Davidson 1890-09 s.n. Los Angeles Millards Canon, Pasadena. Comment
  RSA659838  Holodiscus discolor Orlando Mistretta, Mike Hammitt 1991-6-21 s.n. Los Angeles Slope near E tributary of Fern Canyon. USFS Road 2N66. 756 Comment
  RSA85269  Holodiscus discolor Raymond J. Dobbs 1924-7-8 5390 Los Angeles Along trail 2 miles below Switzer's Camp, San Gabriel Mts. 762 Comment
  UCR147261  Holodiscus discolor Orlando Mistretta, Mike Hammitt 1991-6-21 s.n. Los Angeles Transverse Ranges; San Gabriel Mtns region, Slope near E tributary of Fern Canyon, USFS Road 2N66 756 Comment
  CAS-BOT-BC149959  Holodiscus discolor var. discolor Grant 1904-6-5 6275 Los Angeles Milland Canyon Comment
  CDA2209  Hordeum murinum subsp. glaucum L. C. Wheeler 1973-5-12 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Gould Mesa Picnic Ground. Comment
  RSA624640  Hordeum murinum subsp. glaucum L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Gould Mesa Picnic Ground. 427 Comment
  RSA604151  Hordeum murinum subsp. leporinum L. C. Wheeler 1972-4-9 s.n. Los Angeles San Gabriel Mountains: Georges Gap on divide between Clear Creek & Arroyo Seco. Comment
  POM366515  Horkelia cuneata subsp. puberula Geo. L. Moxley 1915-7-5 355 Los Angeles Ridge between Arroyo Seco and Millard's Canyons. Comment
  RSA18523  Horkelia cuneata subsp. puberula Carl B. Wolf 1927-7-24 675 Los Angeles 1/2 mile east of Montrose Comment
  RSA601622  Horkelia cuneata subsp. puberula Louis C. Wheeler 1967-6-16 9855 Los Angeles San Gabriel Mountains: North side of Sunset Ridge under power line, Millard Canyon. 579 Comment
  UCR100634  Horkelia cuneata subsp. puberula L. C. Wheeler 1967-6-16 9855 Los Angeles San Gabriel Mtns., N side of Sunset Ridge under powerline, Millard Canyon 579 Comment
  SBBG72465  Horkelia cuneata var. puberula M. N. Ackley -Apr-1922 939 Los Angeles Montrose 365 Comment
  CHSC35459  Hosackia crassifolia James Henrickson 1973-5-12 9572 Los Angeles Ca 6 (air) miles NE of La Canada, 3.1 (rd) miles N of N3, off Angeles Crest Hwy. In slopes of San Gabriel Mountains. 1036 Comment
  SBBG68135  Hosackia oblongifolia var. oblongifolia M. N. Ackley 1927-6-5 537 Los Angeles trail to Switzerland 762 Comment
  CAS-BOT-BC311968  Hulsea heterochroma Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  CAS-BOT-BC273560  Hyparrhenia hirta Louis C. Wheeler 1947-6-15 6527 Los Angeles Altadena: Canyon Crest Drive and Lincoln Ave. Comment
  RSA607831  Hyparrhenia hirta L. C. Wheeler 1947-6-15 6527 Los Angeles Altadena: Canyon Crest Drive and Sincoln [Lincoln] Ave. Comment
  SD230135  Hyparrhenia hirta Louis C. Wheeler 1947-6-15 6527 Los Angeles Altadena: Canyon Crest Drive and Lincoln Ave. Comment
  UCR102376  Hyparrhenia hirta L. C. Wheeler 1947-6-15 6527 Los Angeles San Gabriel Mtns. Foothills, Altadena; Canyon Crest Drive and Lincoln Ave 396 Comment
  RSA601575  Hypochaeris glabra L. C. Wheeler 1967-6-16 9841 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side Coulter Reservoir. 655 Comment
  RSA601629  Hypochaeris glabra L. C. Wheeler 1967-6-16 9854 Los Angeles San Gabriel Mountains: North side of Sunset Ridge, south of Millard Canyon. 640 Comment
  RSA702977  Juglans californica Scott D. White 2004-7-28 10647 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  UCR102258  Juglans californica David Charlton 1989-4-30 2958 Los Angeles San Gabriel Mtns., Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  UCR132319  Juglans californica John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 366 Comment
  RSA614699  Juglans californica var. californica D. Charlton 1989-4-30 2958 Los Angeles San Gabriel Mtns. Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  RSA628898  Juglans californica var. californica Louis C. Wheeler 1969-4-12 s.n. Los Angeles El Prieto Canyon east fork at Brown Mt. Head 762 Comment
  RSA711112  Juglans californica var. californica Tim Thibault, K. E. Olshewsky 2004-5-22 268 Los Angeles fire road off Hwy. 2 910 Comment
  RSA0105036  Juncus R. G. Swinney 2011-10-18 15806 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
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Dec 7 2018
  UC1971179  Juncus bufonius Louis C. Wheeler 1973-5-5 Los Angeles San Gabriel Mountains: Mill Canyon Comment
  RSA0013204  Juncus bufonius var. occidentalis Orlando Mistretta, Christine Mistretta 2011-7-13 5929 Los Angeles Big Tujunga Cyn. Along Angeles Forest Hwy, 1.0 miles W of junction With Big Tujunga Cyn Road. 793 Comment
  RSA368068  Juncus macrophyllus L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  UC842378  Juncus macrophyllus Bryan 1929-7-4 Los Angeles Switzer's Camp Arroyo Seco 975 Comment
  UCR102381  Juncus macrophyllus L. C. Wheeler 1947-7-11 6542 Los Angeles San Gabriel Mtns., Millard Canyon 412 Comment
  UCR273381  Juncus macrophyllus R. G. Swinney 2011-10-18 15806 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  POM176278  Juncus textilis George B. Grant 3708 Los Angeles [No locality info on Label] Comment
  UC213655  Juncus textilis Geo. B. Grant 3708 Los Angeles Comment
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Dec 18 2015
  UCR132298  Juncus textilis John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  UCR111686  Juncus tiehmii L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mtns., Mill Canyon 732 Comment
  RSA368384  Juncus xiphioides Bryan 1929-7-4 s.n. Los Angeles Switzer's Camp; Arroyo [Seco]. 975 Comment
  UC842991  Juncus xiphioides Bryan 1929-7-4 Los Angeles Switzer's Camp Arroyo Seco 975 Comment
  RSA295268  Keckiella cordifolia George H. Lewis 1975-6-29 s.n. Los Angeles Hall Beckley Canyon, ca. 1-1 1/4 miles north of Foothill Blvd. on Palm Drive, La Canada Comment
  RSA295269  Keckiella cordifolia R. S. Woglum 1940-7-6 2907 Los Angeles Arroyo Seco near Switzers. Comment
  RSA401766  Keckiella cordifolia L. E. Hoffman 1927-8-19 s.n. Los Angeles Arroyo Seco. Comment
  RSA79783  Keckiella cordifolia Raymond J. Dobbs 1927-6-28 7684 Los Angeles Arroyo Seco near Switzers, San Gabriel Mountains. 915 Comment
  UC1215231  Keckiella cordifolia Peter H. Raven 1962-7-11 18003 Los Angeles San Clemente Island; Twin Canyon 320 Comment
  UCR111525  Keckiella cordifolia A. C. Sanders, D. Malueg 1998-6-22 22034 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  UCR132346  Keckiella cordifolia John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  UC1043434  Keckiella ternata Richard M. Straw 1954-6-17 631 Los Angeles Tujunga Canyon San Gabriel Mts. (0.6 mi w of bridge on Angeles Crest Hwy) Comment
  RSA79750  Keckiella ternata subsp. ternata F. W. Peirson 1924-6-26 5395 Los Angeles Near Waterman's Station - Arroyo Seco, San Gabriel Mountains. 976 Comment
  RSA802448  Keckiella ternata subsp. ternata Orlando Mistretta, Christine Mistretta 2011-7-13 5945 Los Angeles Big Tujunga Canyon, near head of Maple Cyn, S of Angeles Forest Hwy, 1.9 miles W of jct. of Angeles Forest Hwy and Angeles Crest Hwy. 942 Comment
  UC1586205  Keckiella ternata var. ternata Tim Ross 1991-8-16 5807 Los Angeles Colby Canyon; San Gabriel Mountains, Condor Peak U.S.G.S. 7.5' quad 1063 Comment
  RSA603404  Lactuca serriola L. C. Wheeler 1975-8-22 s.n. Los Angeles San Gabriel Mountains: North side Sunset Ridge by Millard Canyon, by power line. Comment
  RSA702978  Lactuca serriola Scott D. White 2004-7-27 10632 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  RSA592166  Lamarckia aurea L. C. Wheeler 1967-5-7 9290 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 655 Comment
  RSA592188  Lamarckia aurea L. C. Wheeler 1967-3-3 9172 Los Angeles Sunset Ridge, west of Chaney Trail. Comment
  UCR95349  Lamium amplexicaule L. C. Wheeler 1967-5-7 9282 Los Angeles San Gabriel Mtns, Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon 655 Comment
  JEPS57950  Lastarriaea coriacea Frank W. Peirson 1919-5-21 447 Los Angeles San Gabriel Mountains, Arroyo Seco Arroyo Seco; San Gabriel Mountains, Arroyo Seco 381 Comment
  JEPS9911  Lasthenia coronaria Frank W. Peirson 1919-3-27 330 Los Angeles Arroyo Seco Canyon San Gabriel Mountains, Arroyo Seco Canyon 411 Comment
  RSA747749  Lathyrus vestitus Scott D. White, J. Wood, J. Miner 2009-5-12 12702 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCR172781  Lathyrus vestitus Wayne Law, Jun Hu 2000-4-30 11 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  UCR213787  Lathyrus vestitus Scott D. White, Justin M. Wood, Jamie Miner 2009-5-12 12702 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  RSA405683  Lathyrus vestitus var. vestitus L. E. Hoffman 1932-3-14 s.n. Los Angeles Millard's Canyon, Angeles National Forest [San Gabriel Mountains]. Comment
  RSA406662  Lathyrus vestitus var. vestitus L. E. Hoffman s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
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Jan 1 2017
  CHSC111042  Lepechinia fragrans D. E. Bramlet; Sandy Leatherman 2011-6-13 4870 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Tujunga Canyon, 15m W of Big Tujunga Cany. Rd. and 80m S of access road to Big Tujunga Dam. 675 Comment
  CHSC112547  Lepechinia fragrans Scott D. White 2004-7-28 10662 Los Angeles San Gabriel Mountains; Clear Creek area. In and around 'The Pines: picnic area,immediately S of Angeles Forest Hwy, ca 0.5 mi W of jtn with Angeles Crest Hwy. 1013 Comment
  LA64419  Lepechinia fragrans J. A. Ewan; 1932-6-18 sn Los Angeles San Gabriel Mountains, Clear Creek fork of Tujunga Canyon 914 Comment
  LA64420  Lepechinia fragrans J. A. Ewan; 1929-7-11 2060 Los Angeles San Gabriel Mountains, near Switzers Camp 914 Comment
  POM184687  Lepechinia fragrans Joseph A. Ewan 1932-6-18 7356 Los Angeles Clear Creek Fork of Tujunga Canyon. 915 Comment
  POM78692  Lepechinia fragrans Albert J. Perkins 1920-5-29 s.n. Los Angeles Switzer Trail, San Gabriel Mts. Comment
  RSA300957  Lepechinia fragrans D. C. Michener 1982-8-3 4166 Los Angeles CA 2, 8.6 miles north of Pasadena and jct with I-210. Comment
  RSA300980  Lepechinia fragrans D. C. Michener 1982-8-3 4164 Los Angeles CA 2, 6.6 miles north of Pasadena & jct with I-210. Comment
  RSA409625  Lepechinia fragrans Verda Harlow 1936-07 s.n. Los Angeles Arroyo Seco Canyon . Comment
  RSA409628  Lepechinia fragrans Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail. Comment
  RSA409631  Lepechinia fragrans H. C. Ackley 1927-6-4 s.n. Los Angeles Trail to Switzer s Comment
  RSA409633  Lepechinia fragrans Albert J. Perkins 1920-5-19 s.n. Los Angeles Switzer Trail. Comment
  RSA659837  Lepechinia fragrans Orlando Mistretta, Mike Hammit 1991-6-21 s.n. Los Angeles Along USFS Road 2N66. Just W of junction with 2N65.1. Over looking Fern canyon to the N. 732 Comment
  RSA702174  Lepechinia fragrans Scott D. White 2004-7-28 10662 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  RSA703503  Lepechinia fragrans Scott D. White 2004-9-3 10744 Los Angeles San Gabriel Mountains: Grizzly Flat, ca. 1 air mile N of Angeles Crest Hwy and ca. 1 air mi S of Big Tujunga Cyn. Rd. 732 Comment
  RSA741093  Lepechinia fragrans Justin M. Wood 2008-11-21 243 Los Angeles Above La Canada, off of ANF Road (2N76). 985 Comment
  RSA788642  Lepechinia fragrans D. E. Bramlet, Sandy Leatherman 2011-6-13 4870 Los Angeles Big Tujunga Canyon. 15m W of Big Tujunga Canyon & 80m S of the access road to Big Tujunga Dam. 675 Comment
  SBBG118713  Lepechinia fragrans O. Mistretta with M. Hammitt 1991-6-21 Los Angeles USFS Rd 2N66, just W of jct with 2N65.1, overlooking Fern Cyn to the N; T2N R12W C1/2 S29 732 Comment
  SBBG71593  Lepechinia fragrans M. N. Ackley 1927-6-5 Los Angeles Switzerland Trail Comment
  SBBG71594  Lepechinia fragrans Anstruther Davidson -Jul-1893 Los Angeles Switzers Camp Comment
  SBBG71595  Lepechinia fragrans J. A. Ewan 1929-7-1 Los Angeles near stream, Switzer's Camp 914 Comment
  UCD124946  Lepechinia fragrans Scott D. White; Brian Leatherman 2004-9-3 10744 Los Angeles San Gabriel Mountains; 'Grizzley Flat', ca. 1 air mile north of Angeles Crest Hwy and ca. 1 air mile south of Big Tujunga Canyon Road. 732 Comment
  UCR12251  Lepechinia fragrans Art Whistler 1966-6-23 s.n. Los Angeles San Gabriel Mtns., Hwy 2 en route to Mt. Wilson via Angeles Crest Hwy and Foothill Bvd. 1067 Comment
  UCR146503  Lepechinia fragrans Scott D. White 2004-7-28 10662 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  UCR146521  Lepechinia fragrans Scott D. White 2004-9-3 10744 Los Angeles San Gabriel Mountains, 'Grizzly Flat' c. 1 air mi N of Angeles Crest hwy and c. 1 air mi south of Big Tujunga Cyn. Rd. (Condor Peak) 854 Comment
  UCR147269  Lepechinia fragrans Orlando Mistretta, Mike Hammitt 1991-6-21 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Along USFS Road 2N66. Just west of junction with 2N65.1. Over looking Fern Canyon to the N 732 Comment
  UCR227370  Lepechinia fragrans Orlando Mistretta, Christine Mistretta 2008-5-13 3068 Los Angeles Transverse Range; San Gabriel Mountains, Grizzly Flat Road, vicinity of Dark Canyon, Arroyo Seco Canyon drainage 949 Comment
  UCR255944  Lepechinia fragrans D. E. Bramlet, Sandra L. Leatherman 2011-6-13 4870 Los Angeles Transverse Ranges; San Gabriel Mountains, Big Tujunga Canyon, 15 m west of Big Tujunga Canyon Rd & 80 m south of the access road to Big Tujunga Dam 67 Comment
  RSA604150  Lepidium didymum L. C. Wheeler 1972-4-9 s.n. Los Angeles San Gabriel Mountains: Georges Gap on divide between Clear Creek & Arroyo Seco. Comment
  RSA624578  Lepidium didymum L. C. Wheeler 1973-4-9 s.n. Los Angeles Millard Canyon; approx. national forest boundary Comment
  CAS-BOT-BC339174  Lepidospartum F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canon [Canyon]. Near Pasadena, San Gabriel Mts Comment
  CAS-BOT-BC328064  Lepidospartum squamatum F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp. San Gabriel Mts. 914 Comment
  CAS-BOT-BC328080  Lepidospartum squamatum Moxley 1914-9-7 275 Los Angeles On trail to Switzer's Camp; ridge above Arroyo Seco. San Gabriel Mts. Comment
  CAS-BOT-BC328083  Lepidospartum squamatum Fordyce Grinnell 1915-9-4 s.n. Los Angeles Upper Arroyo Seco Canon. San Gabriel Mts. Comment
  RSA0106493  Lepidospartum squamatum R. G. Swinney 2011-10-18 15829 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA311410  Lepidospartum squamatum Cheryl A. Lawson 1971-7-9 414 Los Angeles Vogel Flat, Big Tujunga Canyon, San Gabriel Mountains, Angeles National Forest. Comment
  UCR273283  Lepidospartum squamatum R. G. Swinney 2011-10-18 15829 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  RSA660206  Leptodactylon caespitosum Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 46 Los Angeles 2.7 miles from La Canada city limits (sign) pull off on left side of road as one is going up mountain. Comment
  SEINET3163756  Leptodactylon californicum G. B. Grant 1904-5-5 679 a-6189 Los Angeles at Arroyo Seco Canyon, San Gabriel Mts., southern California 610 Comment
  UCR114220  Leptodactylon californicum A. C. Sanders, D. Malueg 1998-6-24 22062 Los Angeles San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  UCR175043  Leptodactylon californicum Holly Summers 2006-6-4 46 Los Angeles San Gabriel Mountains, 2 miles north of Foothill Blvd. on Angeles Crest Highway (Hwy 2), near Brown Canyon 701 Comment
  UCR146493  Lessingia filaginifolia Scott D. White 2004-7-27 10631 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  CAS-BOT-BC339274  Lessingia glandulifera var. glandulifera Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  RSA738075  Leymus condensatus Bill Duval s.n. Los Angeles Montrose 61 Comment
  UCR132294  Lilium humboldtii S. J. Myers 2003-6-24 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Propul. Laboratory 381 Comment
  UCR132348  Lilium humboldtii John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  GH421746  Lilium humboldtii subsp. ocellatum Aleksi Baznekian 2013-6-8 20 Unknown San Gabriel Mountains. Plant harvested 400 m west of Switzer Campground, in between Gabrielino Trail and Arroyo Seco Comment
  GH421747  Lilium humboldtii subsp. ocellatum Aleksi Baznekian 2013-6-8 20 Unknown San Gabriel Mountains. Plant harvested 400 m west of Switzer Campground, in between Gabrielino Trail and Arroyo Seco Comment
  RSA229181  Lilium humboldtii subsp. ocellatum Robert F. Thorne, C. W. Tilforth 1971-6-29 40730 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  RSA68713  Lilium humboldtii subsp. ocellatum Raymond J. Dobbs 1924-6-30 5386 Los Angeles Stream trail, 1/4 mile N of Switzers Camp, San Gabriel Mountains. 930 Comment
  UCD139731  Lilium humboldtii subsp. ocellatum Natalie deGarder 1992-5-30 25 Los Angeles 1.5 miles off Freeway 210 up Lincoln to Risinghill, down 0.25 mile to stream. 589 Comment
  RSA233373  Linanthus aureus Arthur C. Gibson, Linda Gibson 1972-3-11 2789 Los Angeles Vogel Flats, Big Tujunga Canyon Comment
  CAS-BOT-BC226750  Linanthus californicus A. C. Sanders; D. Malueg 1998-6-24 22062 Los Angeles San Gabriel Mtns.: CCC Ridge, off Hwy 2 just N of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  CAS-BOT-BC226762  Linanthus californicus Geo. B. Grant 1904-5-5 6189 Los Angeles Arroyo Seco Canyon Comment
  CHSC26206  Linanthus californicus A. Brenholt 1967-5-24 44 Los Angeles 5 miles NE of La Canada on Angeles Crest Hwy. in San Gabriel Mtns. 335 Comment
  RSA468429  Linanthus californicus Fordyce Grinnell Jr. 1910-06 s.n. Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  RSA468456  Linanthus californicus N. C. Cooper 1949-6-18 4214 Los Angeles Angeles Crest Highway 915 Comment
  RSA653052  Linanthus californicus A. C. Sanders, D. Malueg 1998-6-24 22062 Los Angeles San Gabriel Mtns.: CCC Ridge, off Hwy 2 just N of Pasadena city limit, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  RSA753994  Linanthus californicus Doug Tolbert 1970-5-8 700508 -03 Los Angeles Angeles National Forest, road to Switzer's Camp, 200 yards from junction with State Route 2 1098 Comment
  SD45586  Linanthus californicus Darley F. Howe 1953-5-31 Los Angeles Arroyo Seco, San Gabriel Mountains. 671 Comment
  UCSB5148  Linanthus californicus Kamb, Peter 1947-5-25 Los Angeles Millard's Canyon near Sunset Ridge guard station, San Gabriel Mts 670 Comment
  UCSB8481  Linanthus californicus Haller, Norman 1953-5-10 Los Angeles Angeles Crest Hwy about. 2 miles from Foothill Blvd. San Gabriel Mts Comment
  SEINET3163729  Linanthus parviflorus G. B. Grant 1904-5-5 694 a/6185 Los Angeles at Arroyo Seco Canyon, San Gabriel Mts., southern California 610 Comment
  UC167111  Linanthus parviflorus unknown 1904-5-5 694 a6185 Los Angeles Arroyo Seco Canyon San Gabriel Mts. 609 Comment
  RSA468517  Linanthus pungens L. E. Hoffman 1927-8-13 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  UCR110897  Linaria maroccana A. C. Sanders, D. Malueg 1998-6-22 21986 B Los Angeles San Gabriel Mtns., foothills along Hwy 2 at La Canada, at turnoff to SCE Gould substation, Gould Canyon watershed 610 Comment
  CAS-BOT-BC426269  Lithophragma affine John H. Thomas 1957-5-11 6751 Los Angeles San Gabriel Mountains. About 3 miles north of La Canada near Angeles Crest Highway. 762 Comment
  JEPS23595  Lithophragma affine Peter Kamb 1947-5-25 537 Los Angeles near Sunset Ridge guard station (Millard's Canyon); San Gabriel Mts. 670 Comment
  JEPS47656  Lithophragma affine Frank W. Peirson 1918-5-19 69 Los Angeles Millard's Canyon; San Gabriel Mountains, Millard's Canyon 609 Comment
  SFV17368  Lithophragma affine J. N. Hogue, D. L. Bishop 1998-5-28 110 .3 Los Angeles San Gabriel Mountains Arroyo Seco near Switzer's Picnic Area. 976 Comment
  UCR213794  Lithophragma affine Scott D. White, Justin M. Wood, Chris Huntley, Jamie Miner 2009-5-12 12695 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  JEPS43068  Lithophragma bolanderi Frank W. Peirson 1918-5-19 69 Los Angeles just n Altadena (Millard's Canyon, lower slopes of the s face of the San Gabriel Range); lower slopes of s face of San Gabriel Range 609 Comment
  RSA747945  Lithophragma bolanderi Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12695 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  CDA25421  Lithophragma heterophyllum T. C. Fuller, T. Suzuki 1958-5-9 s.n. Los Angeles Millard Canyon, Cheney Trail above Altadena. 0 Comment
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Aug 22 2016
  CHSC35330  Lithophragma heterophyllum James Henrickson 1973-5-12 4 Los Angeles Ca 6 (air) miles NE of La Canada, 3.1 (rd) miles N of N3, off Los Angeles Crest Hwy; in canyon along road, in granitic slopes of San Gabriel Mts. 1036 Comment
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Aug 22 2016
  GH363848  Lithophragma heterophyllum O. D. Allen 1885-04-01 - 1885-05-01 Unknown Millard's Canon, Sierra Nevada Mts. Comment
  HSC79977  Lithophragma heterophyllum James Henrickson 1973-5-12 9579 Los Angeles 6 air mi. NE of La Canada, 3.1 road mi. N of N3, off Angeles Crest Hwy.; in canyon along road in granitic slopes of San Gabriel Mtns. 1037 Comment
  RSA229197  Lithophragma heterophyllum R. F. Thorne, C. W. Tilforth 1971-6-29 40735 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  SD108979  Lithophragma heterophyllum James Henrickson 1973-5-12 9579 Los Angeles in granitic slopes of San Gabriel Mts. ca 6 (air) miles NE of La Canada, 3.1 (rd)miles N of N3, off Angeles Crest Hwy, in canyon along road 1036 Comment
  UC1736211  Lithophragma heterophyllum Dean W. Taylor 1992-5-1 12491 Los Angeles 1 mile East of Gorges Gap on Angeles Crest Highway (Highway 2) 1219 Comment
  SBBG119064  Lobelia dunnii S. D. White 2004-7-28 10658 Los Angeles Clear Crk area, "The Pines" picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jct with Angeles Crest Hwy (Condor Pk: T2N R12W S8) 976 Comment
  UCR146528  Lobelia dunnii Scott D. White 2004-7-28 10658 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  UCSB33630  Lobelia dunnii Griesel, Wesley 1961-9-2 Los Angeles Switzers Camp, San Gabriel Mts. 762 Comment
  RSA149780  Lobelia dunnii var. serrata Wesley O. Griesel 1961-09 s.n. Los Angeles At Switzer's Camp in the San Gabriel Mts. 762 Comment
  RSA439331  Lobelia dunnii var. serrata Fordyce Grinnell Jr. 1910-7-22 3662 Los Angeles Switzer's Camp, San Gabriel Mountains Comment
  RSA439332  Lobelia dunnii var. serrata Fordyce Grinnell Jr. 1910-07 3661 Los Angeles Switzer's Camp, San Gabriel Mountains Comment
  RSA439333  Lobelia dunnii var. serrata L. E. Hoffman 1927-8-19 s.n. Los Angeles Arroyo Seco, near Switzer's Camp Comment
  RSA439334  Lobelia dunnii var. serrata Geo L. Moxley 1914-9-6 270 Los Angeles Arroyo Seco, near Switzer's Camp Comment
  RSA702432  Lobelia dunnii var. serrata Scott D. White 2004-7-28 10658 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  UCR275506  Lobelia dunnii var. serrata D. E. Bramlet 2011-8-26 4942 Los Angeles San Gabriel Mountains, Big Tujunga Canyon, near Big Tujunga Reservoir 662 Comment
  RSA595511  Lobularia maritima L. C. Wheeler 1969-2-16 s.n. Los Angeles Canyon Crest Road, west side Millard Canyon. 403 Comment
  UCR4159  Lobularia maritima R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns. Foothills, Pasadena, Arroyo Seco, just north of Jet Propulsion Laboratory 366 Comment
  UCR95264  Logfia gallica L. C. Wheeler 1967-5-7 9294 Los Angeles San Gabriel Mtns, Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon 655 Comment
  UCR238470  Lolium multiflorum Orlando Mistretta, Christine Mistretta 2008-5-5 2653 Los Angeles Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon 628 Comment
  CDA2240  Lolium perenne L. C. Wheeler 1973-5-12 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Gould Mesa Picnic Ground. Comment
  RSA594589  Lolium perenne L. C. Wheeler 1967-5-7 9293 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 655 Comment
  RSA624636  Lolium perenne L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Gould Mesa Picnic Ground. 427 Comment
  RSA660294  Lolium perenne Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 37 Los Angeles 5.0 miles past the Pasadena city limits, a pull off on the left side of road as one is going up mountain. Comment
  RSA601625  Lolium perenne subsp. multiflorum L. C. Wheeler 1967-6-16 9861 Los Angeles San Gabriel Mountains : North side of Sunset Ridge under power line. 594 Comment
  RSA762299  Lolium perenne subsp. multiflorum Orlando Mistretta, Christine Mistretta 2008-5-5 2653 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 627 Comment
  RSA592165  Lolium temulentum L. C. Wheeler 1967-5-7 9289 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 655 Comment
  SBBG59761  Lomatium utriculatum M. N. Ackley -Apr-1929 Los Angeles La Crescenta 457 Comment
  A422904  Lonicera interrupta J. G. Jack 1907-7-13 Unknown Pasadena, Las Cosetas Canon Comment
  UCR132313  Lonicera subspicata John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  POM68126  Lonicera subspicata var. denudata Marcus E. Jones 1902-6-20 s.n. Los Angeles Mountains near Pasadena. Comment
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Mar 6 2011
  RSA455190  Lonicera subspicata var. denudata Fordyce Grinnell Jr. 1910-06 s.n. Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA455381  Lonicera subspicata var. denudata George B. Grant 1904-6-15 s.n. Los Angeles Canyons, Pasadena Comment
  JEPS55487  Lotus heermannii Frank W. Peirson 1918-5-21 99 Los Angeles Arroyo Seco San Gabriel Mountains 487 Comment
  POM21385  Lotus heermannii George B. Grant 1904-6-17 s.n. Los Angeles Arroyp Seco Canyon Comment
  UCR275541  Lotus heermannii D. E. Bramlet 2011-8-26 4941 Los Angeles San Gabriel Mountains, Big Tujunga Canyon, near Big Tujunga Reservoir 662 Comment
  RSA406452  Lotus heermannii var. heermannii Geo. L. Moxley 1915-7-4 357 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  RSA498313  Lotus heermannii var. heermannii Edwin Kline 1924-6-22 s.n Los Angeles Arroyo Seco. San Gabriel Mountains. Comment
  RSA802334  Lotus heermannii var. heermannii Orlando Mistretta, Cher Batchelor 2011-7-27 5989 Los Angeles Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31. 975 Comment
  RSA0106486  Lotus nevadensis var. davidsonii R. G. Swinney 2011-10-18 15824 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  UCR273227  Lotus nevadensis var. davidsonii R. G. Swinney 2011-10-18 15824 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  JEPS55557  Lotus oblongifolius var. oblongifolius Frank W. Peirson 1918-5-21 100 Los Angeles Arroyo Seco San Gabriel Mountains 487 Comment
  UCR114221  Lotus scoparius A. C. Sanders, D. Malueg 1998-6-24 22063 Los Angeles San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  RSA498654  Lotus scoparius var. scoparius D. S. Krause 1939-07 s.n. Los Angeles Roadside-open field, La Canada foothills Comment
  UCR111528  Lotus scoparius var. scoparius A. C. Sanders, D. Malueg 1998-6-22 22031 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  UCR132300  Lotus scoparius var. scoparius John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  POM1927  Lotus strigosus L. R. Abrams 1901-04 1397 Los Angeles La Cananda Comment
  RSA498735  Lotus strigosus Dorothy Davis 1923-4-29 s.n. Los Angeles La Canada. Comment
  RSA594588  Lotus strigosus L. C. Wheeler 1967-5-7 9291 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 655 Comment
  RSA660211  Lotus strigosus Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 36 Los Angeles 5.0 miles past the Pasadena city limits, a pull off on the left side of road as one is going up mountain. Comment
  RSA18524  Lotus unifoliolatus C. B. Wolf 1927-7-24 674 Los Angeles 1/2 mile east of Montrose Comment
  RSA406433  Lotus unifoliolatus D. S. Krause 1939-07 s.n. Los Angeles Open fields in foothills, La Canada Comment
  UCSB3244  Lupinus albifrons Wilson, Richard 1958-5-10 Los Angeles 6 mi. N of Foothill Blvd. on Angeles Crest Hwy., San Gabriel Mts. 1066 Comment
  UCD107524  Lupinus concinnus A. C. Sanders; D. Malueg 1998-6-22 22027 Los Angeles San Gabriel Mtns. La Canada, SCE Gould Substation off Hwy 2, Gould Canyon. 595 Comment
  UCR111500  Lupinus concinnus A. C. Sanders, D. Malueg 1998-6-22 22027 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  SD146266  Lupinus excubitus A. C. Sanders, D. Malueg 1998-6-24 22060 Los Angeles San Gabriel Mountains, CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. CA Edison Mesa-Vincent transmission line at tower 16-2, open disturbed area; Condor Peak 7.5' quad. 822 Comment
  UCR114183  Lupinus excubitus A. C. Sanders, D. Malueg 1998-6-24 22060 Los Angeles San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  UCR132316  Lupinus excubitus John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  RSA802351  Lupinus excubitus var. excubitus Orlando Mistretta, Cher Batchelor 2011-7-27 5987 Los Angeles Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31. 975 Comment
  RSA653051  Lupinus excubitus var. hallii A. C. Sanders, D. Malueg 1998-6-24 22060 Los Angeles San Gabriel Mtns.: CCC Ridge, off Hwy 2 just N of Pasadena city limit, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  RSA272154  Lupinus formosus var. formosus John F. Emmel 1974-4-25 533 Los Angeles Vogel Flat, Big Tujunga Canyon, near sw Base of San Gabreil Mts. 561 Comment
  RSA406945  Lupinus latifolius var. latifolius Fordyce Grinnell Jr. 1910-07 s.n. Los Angeles Switzer's Camp, San Gabriel Mountains Comment
  CAS-BOT-BC211656  Lupinus longifolius Carl B. Wolf 1941-7-2 10959 Los Angeles Along the Highway about 1 m. east of La Crescenta 487 Comment
  CAS-BOT-BC211678  Lupinus longifolius E. K. Balls 1954-3-8 18870 Los Angeles 1 mi. e. of La Crescenta Comment
  CAS-BOT-BC211692  Lupinus longifolius Philip A. Munz 1949-5-10 13389 Los Angeles La Crescenta Comment
  CAS-BOT-BC211694  Lupinus longifolius Theodore Payne 1948-5-15 12287 Los Angeles La Canada Comment
  CAS-BOT-BC211695  Lupinus longifolius Theodore Payne 1948-5-15 12287 Los Angeles La Canada Comment
  CAS-BOT-BC211696  Lupinus longifolius Theodore Payne 1948-5-15 12286 Los Angeles La Canada Comment
  CAS-BOT-BC211697  Lupinus longifolius Theodore Payne 1948-5-15 12286 Los Angeles La Canada Comment
  CAS-BOT-BC211698  Lupinus longifolius Charlotte Hoak 1947-4-26 11701 Los Angeles Montrose, near La Canada Comment
  CAS-BOT-BC211722  Lupinus longifolius Wesley O. Griesel 1961-5-19 s.n. Los Angeles State Highway #2, La Canada burn, San Gabriel Mts. 609 Comment
  HSC12459  Lupinus longifolius Wendell Wood 1970-6-24 39 Los Angeles Angeles Crest Hwy., 6 mi. beyond intersection of Foothill Blvd. 762 Comment
  RSA229740  Lupinus longifolius Wesley O. Griesel 1961-5-19 s.n. Los Angeles State Hwy 2, La Canada Burn 609 Comment
  RSA23639  Lupinus longifolius Theodore Payne 1939-6-3 s.n. Los Angeles Along Foothill Blvd. Montrose 457 Comment
  RSA25807  Lupinus longifolius C. B. Wolf 1941-7-2 10959 Los Angeles Along the highway about 1 mile east of La Crescenta 487 Comment
  RSA413760  Lupinus longifolius Robert Kessler 1922-6-1 s.n. Los Angeles Crescenta. Comment
  RSA529893  Lupinus longifolius T. S. Ross 1991-8-16 5797 Los Angeles Woodwardia canyon, San Gabriel Mtns (N of Pasadena) 819 Comment
  UCR4177  Lupinus longifolius R. H. Sauer 1965-4-13 s.n. Los Angeles Western Transverse Range; San Gabriel Mtns. Foothills, Next to domestic water intake dam in Arroyo Seco Canyon, Pasadena 366 Comment
  CDA27596  Lupinus truncatus T. C. Fuller, T. Suzuki 1958-5-9 s.n. Los Angeles Millard Canyon, Cheney Trail above Altadena. 0 Comment
  JEPS65495  Lupinus truncatus Frank W. Peirson 1919-3-27 360 Los Angeles Arroyo Seco Canyon San Gabriel Mts. 411 Comment
  UC1178510  Lupinus truncatus Peter Kamb 1947-5-25 540 Los Angeles near Sunset Ridge guard station Millard Canyon (San Gabriel Mts.); , Millard Canyon 670 Comment
  UCR172777  Lupinus truncatus Wayne Law, Jun Hu 2000-4-30 06 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  RSA600650  Maclura pomifera Louis C. Wheeler 1959-4-26 7529 Los Angeles San Gabriel Mountains: East side of Prieto Canyon, near mouth; west of Dr. Jensen's Sanitarium. Comment
  RSA601561  Madia exigua L. C. Wheeler 1967-6-16 9844 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; north side NE of Coulter Reservoir. 640 Comment
  POM180177  Mahonia dictyota J. Ewan 1929-9-21 3488 Los Angeles Millardo Canyon. 1220 Comment
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Sep 16 2014
  RSA435901  Mahonia dictyota Albert J. Perkins 1920-3-20 S.N. Los Angeles San Gabriel Mts. Millards Canon. Comment
  RSA435914  Mahonia dictyota L. E. Hoffman s.n. Los Angeles Arroyo Seco Canyon. Comment
  RSA435923  Mahonia dictyota Fordyce Grinnell Jr. 1910-03 s.n. Los Angeles In the mountains Comment
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May 19 2015
  RSA435927  Mahonia dictyota Fordyce Grinnell Jr. 1910-3-19 S.N. Los Angeles Switzers trail. San Gabriel Mountains 762 Comment
  RSA85456  Mahonia dictyota Joseph A. Ewan 1932-7-4 7590 Los Angeles Millard s Canyon. 1159 Comment
  NY24342  Mahonia nevinii A. M. Ottley 1920-4-30 522 Los Angeles Arroyo Seco, Pasadena 335.3 Comment
  CAS-BOT-BC230923  Malacothamnus davidsonii Le Roy Abrams 1901-4-7 1401 Los Angeles La Canada Comment
  JEPS36650  Malacothrix clevelandii F. W. Peirson 1919-5-21 445 Los Angeles Arroyo Seco San Gabriel Mts. 685 Comment
  PASA321  Malacothrix clevelandii Frank W. Peirson 1919-5-21 Los Angeles Arroyo Seco, San Gabriel Mts. 685 Comment
  POM362262  Malacothrix clevelandii Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Comment
  SBBG98332  Malacothrix clevelandii Anstruther Davidson -Jul-1893 Los Angeles Switzers Camp Comment
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Mar 31 2015
  UCR132353  Malacothrix saxatilis John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  JEPS36608  Malacothrix saxatilis var. tenuifolia Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Los Angeles Comment
  POM362380  Malacothrix saxatilis var. tenuifolia George R. Johnstone 1930-9-14 s.n. Los Angeles Edison Road, Dark Canyon, Oakwide. 610 Comment
  UCR273291  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-10-18 15840 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  A364981  Malosma laurina J. G. Jack 1907-7-13 Unknown Pasadena, Las Casitas Canon Comment
  RSA386401  Malosma laurina Fordyce Grinnell Jr. 1910-06 1931 Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  RSA386405  Malosma laurina L. E. Hoffman 1931-10-25 s.n. Los Angeles Dark Canyon. Comment
  RSA386406  Malosma laurina B. C. Templeton 1931-11-9 s.n. Los Angeles Millards Canyon Comment
  RSA650020  Malosma laurina Claude T. Powers 1949-1-2 s.n. Los Angeles In vacant lot behind 5030 Angeles Crest, La Canada 512 Comment
  RSA660203  Malosma laurina Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 10 Los Angeles 3.8 miles from Pasadena city limits sign, on Angeles Crest Highway. Comment
  RSA76948  Malosma laurina Raymond J. Dobbs 1924-7-8 5392 Los Angeles Along trail 0.5 mile below Switzer s Camp. 930 Comment
  SFV16686  Malosma laurina P. Wilson, J. M. Albert 1996-6-12 3435 Los Angeles San Gabriel Mountains Off Highway 2 and mile marker 29.13. 823 Comment
  UCSB3623  Malosma laurina Kamb, Peter 1948-1-10 Los Angeles Upper Sonoran Zone; Millards Canyon, San Gabriel Mts. 762 Comment
  JEPS42476  Marah macrocarpa Frank W. Peirson 1919-1-25 308 Los Angeles Arroyo Seco San Gabriel Mountains 365 Comment
  RSA440997  Marah macrocarpa Louis Greata 1901-03 s.n. Los Angeles Arroyo Seco ? Comment
  RSA660763  Marah macrocarpa Jeff Weiler 1981-4-4 1 Los Angeles Edison right of way between Foothills Blvd. and Olive Lane. Adjacent to Indian Ave. In La Canada. Comment
  SD234370  Marah macrocarpa Wayne Law, Jun Hu 2000-4-30 2 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 518 Comment
  UC56360  Marah macrocarpa Ernest Braunton 1903-1-10 797 Los Angeles Arroyo Seco Comment
  UCR118960  Marah macrocarpa David Charlton 1989-4-30 2969 Los Angeles San Gabriel Mtns., Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  UCR174493  Marah macrocarpa Wayne Law, Jun Hu 2000-4-30 02 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  CAS-BOT-BC422748  Meconella denticulata John H. Thomas 1957-5-11 6748 Los Angeles San Gabriel Mountains. About 3 miles north of La Canada near Angeles Crest Highway. 762 Comment
  CAS-BOT-BC422757  Meconella denticulata R. J. Dobbs 1927-4-19 s.n. Los Angeles 2 1/2 miles below Switzers. Old Trail. 731 Comment
  JEPS51534  Meconella denticulata Frank W. Peirson 1918-5-19 36 Los Angeles Millards Canyon San Gabriel Mtns 609 Comment
  UC1178663  Meconella denticulata Peter Kamb 1947-5-25 536 Los Angeles near Sunset Ridge Guard station; San Gabriel Mtns, Millard Canyon 670 Comment
  POM353050  Melica imperfecta L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
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Jan 1 2017
  RSA623809  Melica imperfecta A. Stephenson 1965-5-9 9 Los Angeles 1/4 mile along Arroyo Seco Trail past Lower Switzer Campground, Angeles National Forest, [San Gabriel Mountains]. 1381 Comment
  RSA660205  Melica imperfecta Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 22 Los Angeles 3.8 miles from Pasadena city limits sign, on Angeles Crest Highway. Comment
  SBBG56952  Melica imperfecta M. N. Ackley -Apr-1929 Los Angeles La Crescenta 457 Comment
  UCD88019  Melica imperfecta F. M. Reed 1925-5-18 5134 Los Angeles La Canada. 396 Comment
  UCR2561  Melica imperfecta F. M. Reed 1925-5-18 5134 Los Angeles La Canyada [La Canada] 396 Comment
  SFV15336  Melilotus albus J. C. Dittes, D. Stolp 1990-3-10 45 Los Angeles San Gabriel Mountains Along streambed above Big Tujunga flood control reservoir. 732 Comment
  UCR136848  Melilotus indicus John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  RSA446766  Mentzelia micrantha L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  RSA802051  Mentzelia obscura Orlando Mistretta, Kristie Haydu 2011-7-20 5956 Los Angeles Grizzly Flat Road, N of Angeles Crest Hwy, 0.4 air miles W of Hoyt Mountain. 1168 Comment
  RSA802453  Mentzelia obscura Orlando Mistretta, Cher Batchelor 2011-7-27 5986 Los Angeles Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31. 975 Comment
  SEINET3071266  Mesembryanthemum chilense Ken Hamilton 1984-4-22 18 Los Angeles La Crescenta City Comment
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Sep 16 2014
  LA209012  Micranthes californica Zaitlin; 1951-3-17 Los Angeles San Gabriel Mountains, Angeles Crest Highway S side 761 Comment
  RSA298673  Mimulus aurantiacus D. C. Michener 1982-8-3 4165 Los Angeles San Gabriel Mountains: CA 2 ca. 7.6 miles above junction with I-210 in Pasadena. Comment
  RSA442635  Mimulus aurantiacus N. C. Cooper 1949-6-18 4216 Los Angeles Angeles Crest Highway. 610 Comment
  RSA442652  Mimulus aurantiacus Edwin Kline 1924-6-22 14861 Los Angeles Arroyo Seco. San Gabriel Mountains. Comment
  RSA537265  Mimulus aurantiacus Fordyce Grinnell Jr. 1910-06 3465 Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  RSA550786  Mimulus aurantiacus David M. Thompson 1992-5-22 1075 Los Angeles N of Flintridge. 4.4 miles N of 210 Freeway along Highway 2 793 Comment
  RSA660213  Mimulus aurantiacus Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 21 Los Angeles 3.8 miles from Pasadena city limits sign, on Angeles Crest Highway. Comment
  RSA660468  Mimulus aurantiacus Mary C. Hunter 1994-5-28 30 Los Angeles Off Angeles Crest Hwy, West of highway heading North; Road marked 2931; Pasadena 61 Comment
  RSA711113  Mimulus aurantiacus Tim Thibault, K. E. Olshewsky 2004-5-22 267 Los Angeles fire road off Hwy. 2 910 Comment
  UCD122222  Mimulus aurantiacus A. C. Sanders; D. Malueg 1998-6-22 22028 Los Angeles San Gabriel Mtns. La Canada, SCE Gould Substation off Hwy 2, Gould Canyon. 595 Comment
  JEPS87293  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-22 1075 Los Angeles n Flintridge (4.4 mi n of 210 Freeway along Hwy 2) 790 Comment
  LA209106  Mimulus aurantiacus var. pubescens A. L. Beatty; 1940-4-22 Los Angeles Pasadena, Arroyo Seco Comment
  UC943833  Mimulus aurantiacus var. pubescens H. E. McMinn 1949-6-13 5600 Los Angeles e La Crescenta (at junction of Oceanview Blvd. and Foothill Blvd., Highway 118); San Gabriel Mts. Comment
  UCR111508  Mimulus aurantiacus var. pubescens A. C. Sanders, D. Malueg 1998-6-22 22028 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  UCR174916  Mimulus aurantiacus var. pubescens Holly Summers 2006-6-4 41 Los Angeles San Gabriel Mountains, 2 miles north of Foothill Blvd. on Angeles Crest Highway (Hwy 2), near Brown Canyon 701 Comment
  UCR208221  Mimulus aurantiacus var. pubescens Fordyce Grinnell Jr. 1910-1 s.n. Los Angeles San Gabriel Mountains, Switzer's Trail Comment
  UCR23217  Mimulus aurantiacus var. pubescens Polly Schiffman 1981-5-23 30 Los Angeles San Gabriel Mtns, 2 mi N on Angeles Crest Hwy from Ranger Station which is 3 mi north of La Canada-Flintridge 1067 Comment
  RSA624030  Mimulus brevipes Raymond J. Dobbs 1926-5-22 1241 Los Angeles Switzer's, San Gabriel Mountains. Comment
  RSA0105035  Mimulus cardinalis R. G. Swinney 2011-10-18 15807 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA702438  Mimulus cardinalis Scott D. White 2004-7-28 10661 Los Angeles San Gabriel Mountains: Clear Creek area. In and around 'The Pines' picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  SEINET13276777 Image available Mimulus cardinalis R. G. Swinney 2011-1 15807 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy (Condor Peak 7.5' Q.) (T2N R12W) 1021 Comment
  UCR132310  Mimulus cardinalis John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  UCR273380  Mimulus cardinalis R. G. Swinney 2011-10-18 15807 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  JEPS30709  Mimulus floribundus Peter H. Raven, W. O. Griesel 1961-10-13 16843 Los Angeles about 200 yards above Switzers Camp; Upper Arroyo Seco 762 Comment
  RSA0105028  Mimulus floribundus R. G. Swinney 2011-10-18 15812 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA151133  Mimulus floribundus Peter H. Raven, Wesley O. Griesel 1961-10-13 16843 Los Angeles Upper Arroyo Seco, above Switzer's Camp 762 Comment
  UCR273200  Mimulus floribundus R. G. Swinney 2011-10-18 15812 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  POM111A  Mimulus fremontii var. fremontii L. R. Abrams 1901-4-7 s.n. Los Angeles La Canada Comment
  RSA650615  Mimulus longiflorus subsp. longiflorus George H. Lewis 1975-6-29 s.n. Los Angeles Hall Beckley Canyon, ca. 1-1/4 miles north of Foothill Blvd. on Palm Drive, La Canada. Comment
  JEPS11362  Mimulus nasutus F. W. Peirson 1918-5-19 197 Los Angeles back of Altadena; San Gabriel Mts., Millards Canyon 762 Comment
  UCR273300  Mimulus pilosus R. G. Swinney 2011-10-18 15837 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  GH400491  Monardella breweri subsp. lanceolata L. C. Wheeler 1947-7-11 6545 Unknown San Gabriel Mountains: Millard Canyon. Mesa between Millard Canyon and Arroyo Seco 441 Comment
  UCR137727  Monardella breweri subsp. lanceolata L. C. Wheeler 1947-7-11 6545 Los Angeles San Gabriel Mtns., Millard Canyon. Mesa between Millard Canyon and Arroyo Seco 442 Comment
  UCSB32451  Monardella breweri subsp. lanceolata Miller, Brian 1960-7-11 Los Angeles Switzer's Inlet, San Gabriel Mountains 914 Comment
  RSA608036  Monardella lanceolata Louis C. Wheeler 1947-7-11 6545 Los Angeles San Gabriel Mountains: Millard Canyon. Mesa between Millard Canyon and Arroyo Seco. 442 Comment
  SD215570  Monardella lanceolata Louis C. Wheeler 1947-7-11 6545 Los Angeles San Gabriel Mountains; Millar Canyon, mesa between Millard Canyon and Arroyo Seco. 441 Comment
  PASA373  Montia perfoliata Imogene Hammond Los Angeles Millard CaŤñon, Pasadena Comment
  CHSC98735  Muhlenbergia californica LeRoy Gross 2003-1-11 680 Los Angeles Transverse Ranges: San Gabriel Mountains Region;: Middle of Oakwilde trail campground, in the Arroyo Seco Canyon. Above the confluence of Dark Canyon. Along west side of the Arroyo Seco Creek, just on the creek's bank. 604 Comment
  RSA617233  Muhlenbergia californica LeRoy Gross 1998-9-12 53 Los Angeles Arroyo Seco Canyon between Switzer's Falls and Switzer's Campground 853 Comment
  RSA673612  Muhlenbergia californica LeRoy Gross 2003-1-11 680 Los Angeles Middle of Oakwilde trail campground, in the Arroyo Seco Canyon. Above the confluence of Dark Canyon 604 Comment
  RSA702976  Muhlenbergia californica Scott D. White 2004-7-28 10653 Los Angeles Clear Creek area. In and around 'The Pines' picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  SBBG119071  Muhlenbergia californica S. D. White 2004-7-28 10653 Los Angeles Clear Crk area, in and around "The Pines" picnic area, immediately S of the Angeles Forest Hwy, ca. 0.5 mi W of jct with Angeles Crest Hwy; T2N R12W S8 976 Comment
  UCR146501  Muhlenbergia californica Scott D. White 2004-7-28 10653 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  UCR178084  Muhlenbergia californica LeRoy Gross 2003--11 680 Los Angeles San Gabriel Mountains, Middle of Oakwilde trail campground, in the Arroyo Seco Canyon. Above the confluence of Dark Canyon 604 Comment
  RSA608038  Muhlenbergia rigens L. C. Wheeler 1947-7-11 6543 Los Angeles San Gabriel Mountains: Millard Canyon. 412 Comment
  JEPS62059  Muilla maritima Frank W. Peirson 1918-5-21 5 Los Angeles Arroyo Seco San Gabriel Mts. 457 Comment
  SFV15352  Nasturtium officinale J. C. Dittes, D. Stolp 1990-4-1 73 Los Angeles San Gabriel Mountains Big Tujunga Canyon, Vogel Flats. 550 Comment
  UCR119280  Navarretia hamata A. C. Sanders, D. Malueg 1998-6-22 22054 Los Angeles Foothills of San Gabriel Mtns., Sunset Ridge, Millard Canyon watershed north of Altadena, SCE powerlines near Millard Picnic Area, Angeles National Forest, N end of Chaney Trail 610 Comment
  SFV16101  Nemophila menziesii J. M. Kneitel 1995-4-9 22 Los Angeles San Gabriel Mountains Angeles Forest Highway, 3.5 miles north of junction with Angeles Crest Highway. 100 m off highway. 915 Comment
  SFV5408  Nemophila menziesii J. Turner, F. M. Ball, C. Blake 1962-6-2 s. n. Los Angeles San Gabriel Mountains Roadside along Route 2 (Angeles Crest Highway) about 5 miles north of La Canada. 793 Comment
  UCR172709  Nemophila menziesii Jun Hu, Weena Sangkatavat 2000-4-22 06 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  UCR172782  Nemophila menziesii Wayne Law, Jun Hu 2000-4-30 05 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  JEPS1805  Nemophila menziesii var. integrifolia Frank W. Peirson 1918-5-19 166 Los Angeles Millards Canyon , Millards Canyon (San Gabriel Mountains) 609 Comment
  RSA421377  Nemophila menziesii var. integrifolia W. P. Burger 1979-5-5 71 Los Angeles Angeles Forest Highway 3 miles from jct. with Angeles Crest Hwy, ca. 30 yds. up a small stream. 915 Comment
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Sep 25 2014
  SD58283  Nemophila menziesii var. integrifolia Frank W. Peirson 1918-5-19 166 Los Angeles San Gabriel Mountains; Millards Canyon. 609 Comment
  SFV17366  Nemophila menziesii var. menziesii J. N. Hogue, D. L. Bishop 1998-5-28 110 .1 Los Angeles San Gabriel Mountains Arroyo Seco near Switzer's Picnic Area. 976 Comment
  UCSB5334  Nemophila menziesii var. menziesii Wilson, Richard 1958-5-10 Los Angeles 3 miles N of Foothill Blvd. on Angeles Crest Highway 914 Comment
  UC1366006  Nemophila pulchella var. gracilis Paul Currie 1969-7 Los Angeles vicinity Altadena (Millard Canyon, San Gabriel Mountains); San Gabriel Mountains, vicinity of Altadena 609 Comment
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Feb 20 2007
  RSA295231  Nemophila pulchella var. pulchella Paul Currie 1969-1 s.n. Los Angeles Millard Canyon, vicinity of Altadena 610 Comment
  SEINET3072091  Nerium oleander Ken Hamilton 1984-4-22 17 Los Angeles La Crescenta City Comment
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Sep 16 2014
  SEINET3072093  Nerium oleander Ken Hamilton 1984-4-22 17 Los Angeles La Crescenta City Comment
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Sep 16 2014
  CAS-BOT-BC231565  Nicotiana glauca Jean L. Pawek 1964-9-14 626 Los Angeles San Gabriel Mountains, near Switzer Camp 914 Comment
  JEPS12500  Nicotiana glauca Frank W. Peirson 1919-3-27 352 Los Angeles Arroyo Seco; San Gabriel Mountains 381 Comment
  RSA80765  Nicotiana glauca F. W. Peirson 1920-4-25 352 Los Angeles Arroyo Seco Canyon, near Pasadena, Ca. 381 Comment
  POM355618  Oenothera elata subsp. hirsutissima Ada Moxley 1915-7-24 438 Los Angeles Arroyo Seco Canyon above Oak Wilde Camp. Comment
  RSA607676  Oenothera rosea Louis C. Wheeler 1951-5-14 6801 Los Angeles Pasadena: Devils Gate Dam. Arroyo Seco. Comment
  UCR102375  Oenothera rosea L. C. Wheeler 1951-5-14 6801 Los Angeles Base of San Gabriel Mtns., Pasadena, Devils Gate Dam, Arroyo Seco Comment
  RSA595508  Olea europaea Louis C. Wheeler 1969-2-16 s.n. Los Angeles Canyon Crest Road, west side Millard Canyon. 404 Comment
  JEPS15945  Osmorhiza brachypoda Frank W. Peirson 1918-5-19 135 Los Angeles Millards Canyon San Gabriel Mountains Comment
  JEPS2994  Osmorhiza brachypoda Frank W. Peirson 1919-5-21 451 Los Angeles Arroyo Seco San Gabriel Mountains 609 Comment
  JEPS2995  Osmorhiza brachypoda Frank W. Peirson 1919-5-21 451 Los Angeles Arroyo Seco San Gabriel Mountains 609 Comment
  RSA458991  Osmorhiza brachypoda L. E. Hoffman 1934-7-24 s.n. Los Angeles Millard s Canyon, Angeles Forest. Comment
  UCSB4619  Osmorhiza brachypoda Decker, Helen 1946-4-14 Los Angeles Arroyo Seco Canyon, near Switzer's Camp 975 Comment
  CAS-BOT-BC400778  Paeonia californica Jun Hu; Weena Sangkatavat 2000-4-22 04 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  JEPS55202  Paeonia californica Frank W. Peirson 1919-1-25 314 Los Angeles Arroyo Seco San Gabriel Mountains 381 Comment
  RSA85310  Paeonia californica Mabel Peirson 1925-2-14 5434 Los Angeles Arroyo Seco at the Devil's Gate, Pasadena Comment
  SBBG71677  Paeonia californica M. N. Ackley -Mar-1927 Los Angeles Big Tujunga Crk Comment
  UCR172707  Paeonia californica Jun Hu, Weena Sangkatavat 2000-4-22 04 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  UCR95752  Paeonia californica L. C. Wheeler 1967-4-23 9189 Los Angeles San Gabriel Mtns, N slope of Sunset Ridge at edge of firebreak by Millard Canyon 610 Comment
  UCR275505  Panicum acuminatum D. E. Bramlet 2011-8-26 4939 Los Angeles San Gabriel Mountains, Big Tujunga Canyon, near Big Tujunga Reservoir 662 Comment
  RSA686728  Pellaea andromedifolia L. E. Hoffman 1931-11-25 s.n. Los Angeles Millard's Canyon Comment
  SEINET6195227 Image available Pellaea andromedifolia A. Boynton 1966-1 18 Los Angeles Altadena, Millard Canyon, 15 mi. NW of Altadena on Chaney Trail 610 Comment
  SFV21847  Pellaea andromedifolia G. Beall, J. D. Dilley 1997-2-1 3 Los Angeles San Gabriel Mountains Colby Creek Canyon, along trail 110 yards from road and 20 feet from creek bed. 1065 Comment
  UCR132315  Pellaea mucronata John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  RSA599745  Pennisetum clandestinum L. C. Wheeler 1967-11-13 s.n. Los Angeles San Gabriel Mountains : Millard Canyon; just below Canyon Crest Road. 411 Comment
  RSA613027  Pennisetum clandestinum L. C. Wheeler 1974-12-29 s.n. Los Angeles San Gabriel Mountains: Millard Canyon just inside Angeles National Forest Boundary. Comment
  UCR108356  Pennisetum clandestinum L. C. Wheeler 1974-12-29 s.n. Los Angeles San Gabriel Mtns., Bottom of Millard Canyon, on both sides of Angeles National Forest boundary. E side of canyon Comment
  SBBG66479  Penstemon centranthifolius M. N. Ackley -May-1922 1085 Los Angeles La Crescenta 457 Comment
  UCR119126A  Penstemon centranthifolius David Charlton 1989-4-30 2956 Los Angeles San Gabriel Mtns., Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  RSA0011380  Penstemon grinnellii var. grinnellii Orlando Mistretta, Christine Mistretta 2011-7-13 5944 Los Angeles Big Tujunga Canyon, near head of Maple Cyn, S of Angeles Forest Hwy, 1.9 miles W of jct. of Angeles Forest Hwy and Angeles Crest Hwy. 942 Comment
  RSA738049  Penstemon heterophyllus Bill Duval s.n. Los Angeles Montrose 61 Comment
  RSA407920  Penstemon heterophyllus subsp. australis Howard Mullins 1931-5-1 s.n. Los Angeles Flintridge Hills Comment
  RSA79838  Penstemon heterophyllus subsp. heterophyllus F. W. Peirson 202 Los Angeles Devils Gate, Arroyo Seco, west of Pasadena. Comment
  SD37447  Penstemon heterophyllus var. heterophyllus Florence Post 1931-5-4 2054 c Los Angeles Flintridge Hills, hillside Comment
  SFV20412  Penstemon laetus P. Wilson 2005-3-23 4217 Los Angeles San Gabriel Mountains Millard Canyon, Chaney Trail. 640 Comment
  SEINET10376032 Image available Penstemon rostriflorus Wesley O. Griesel 1961-1 Los Angeles State Hwy. 2 near White Thorn Picnic Area, San Gabriel Mountains 2286 Comment
  UCR114182  Penstemon spectabilis A. C. Sanders, D. Malueg 1998-6-24 22059 Los Angeles San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  RSA401904  Penstemon spectabilis subsp. subviscosus L. E. Hoffman 1927-8-16 s.n. Los Angeles Upper Arroyo Seco, near Switzer's Camp. Under Club Pk. 1159 Comment
  SFV15322  Pentagramma triangularis J. C. Dittes 1990-3-10 44 Los Angeles San Gabriel Mountains Small, roadside gully off of Big Tujunga Canyon Road, 3.5 miles east of Angeles Forest Highway turnoff. Gully leads to reservoir. 762 Comment
  CAS-BOT-BC71668  Pentagramma triangularis subsp. triangularis Le Roy Abrams 1999-3-11 s.n. Los Angeles Millards Canyon Comment
  RSA687374  Pentagramma triangularis subsp. triangularis L. E. Hoffman 1931-11-25 s.n. Los Angeles Millard's Canyon, Angeles National Forest Comment
  RSA687375  Pentagramma triangularis subsp. triangularis L. E. Hoffman 1931-11-25 s.n. Los Angeles Millard's Can. Angeles National Forest Comment
  CHSC3681  Phacelia Mary MacArthur 1966-5-26 28 Los Angeles San Gabriel Mts. Switzers Camp. 914 Comment
  RSA228846  Phacelia brachyloba Robert F. Thorne 1971-6-26 40613 Los Angeles San Gabriel Mts., Angeles National Forest: Clear Creek branch of Big Tujunga Canyon along Angeles Forest Road near Clear Creek School Camp. 1037 Comment
  RSA427577  Phacelia brachyloba L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  UCSB33680  Phacelia brachyloba Miller, Brian 1960-7-11 Los Angeles Switzer's Inslet, San Gabriel Mountains 914 Comment
  RSA802048  Phacelia grandiflora Orlando Mistretta, Kristie Haydu 2011-7-20 5959 Los Angeles Grizzly Flat Road, N of Angeles Crest Hwy, 0.4 air miles W of Hoyt Mountain. 1168 Comment
  UCR147262  Phacelia grandiflora Orlando Mistretta, Mike Hammitt 1991-6-21 s.n. Los Angeles Transverse Ranges; San Gabriel Mtns region, Near crossing of USFS Road 2N66 and Fern Canyon drainage just west of water tank 768 Comment
  UC1046925  Phacelia imbricata L. R. Heckard 1953-6-15 502 Los Angeles ca 9 mi up Tujunga Canyon rd from highway 118 (along rd to Mt. Gleason) 975 Comment
  UCR23179  Phacelia imbricata Polly Schiffman 1981-5-23 27 Los Angeles San Gabriel Mtns, 2 mi N on Angeles Crest Hwy from Ranger Station which is 3 mi north of La Canada-Flintridge 1067 Comment
  RSA134015  Phacelia imbricata subsp. imbricata L. R. Heckard 1953-6-15 502 Los Angeles along road to Mt. Gleason, ca. 9 miles up Tujunga Canyon from highway 118. 976 Comment
  RSA134016  Phacelia imbricata subsp. imbricata L. R. Heckard 1953-6-15 502 Los Angeles along road to Mt. Gleason, ca. 9 miles up Tujunga Canyon from highway 118. 976 Comment
  RSA428045  Phacelia longipes Geo. L. Moxley 1915-7-4 364 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  RSA428047  Phacelia longipes Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer s Comment
  SD45587  Phacelia longipes D. F. Howe 1953-5-31 2295 Los Angeles San Gabriel Mountains, Arroyo Seco 671 Comment
  SDSU6630  Phacelia longipes D. F. Howe 1953-5-31 2295 Los Angeles Arroyo Seco, Angeles Crest Highway, San Gabriel Mts. 671 Comment
  RSA0106498  Phacelia ramosissima R. G. Swinney 2011-10-18 15834 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  SBBG65017  Phacelia ramosissima M. N. Ackley -Apr-1929 Los Angeles La Crescenta 457 Comment
  UCR136838  Phacelia ramosissima John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR273218  Phacelia ramosissima R. G. Swinney 2011-10-18 15834 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  RSA72084  Phlox gracilis F. W. Peirson s.n. Los Angeles Devil's Gate, Arroyo Seco Comment
  JEPS96577  Pholistoma auritum var. auritum Dean W. Taylor 1992-5-1 12490 Los Angeles 1 mile East of Gorges Gap on Angeles Crest Highway (Highway 2) 1219 Comment
  CHSC3735  Phoradendron Sue Boergadine 1966-5-26 Los Angeles Switzer's Camp 762 Comment
  RSA420796  Phoradendron macrophyllum Anstruther Davidson 1930-6-12 s.n. Los Angeles Switzers'. Comment
  RSA420799  Phoradendron macrophyllum Albert J. Perkins 1917-2-27 s.n. Los Angeles Switzers Camp, Arroyo Seco, Sierra Madre Mountains. Altitude 1500 feet. 457 Comment
  CAS-BOT-BC141308  Phoradendron serotinum subsp. tomentosum Moxley 1915-7-19 389 Los Angeles Near Switzer's Camp, Arroyo Seco Canyon Comment
  CAS-BOT-BC58274  Phyllodoce breweri Geo. B. Grant 1902-8-1 10593 Los Angeles Pasadena. 3048 Comment
  RSA412028  Pickeringia montana L. E. Hoffman s.n. Los Angeles Millard's Canyon, Angeles Forest Comment
  RSA611958  Pickeringia montana L. C. Wheeler 1952-12-21 7030 Los Angeles San Gabriel Mountains: Near mouth of Fern Canyon, Arroyo Seco. Comment
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Oct 22 2014
  RSA631086  Pickeringia montana L. C. Wheeler 1967-4-13 6465 Los Angeles Millard Canyon. 640 Comment
  RSA656126  Pickeringia montana James Henrickson 1985-5-21 20098 Los Angeles 3-4 miles NE of La Canade in Angeles National Forest along Angeles Crest Hwy. 915 Comment
  UC1971214  Pickeringia montana Louis C. Wheeler 1947-4-13 6465 Los Angeles SAN GABRIEL MOUNTAINS: Millard Canyon Comment
  UCR108188  Pickeringia montana L. C. Wheeler 1952-12-21 7030 Los Angeles San Gabriel Mtns., San Gabriel Mountains, near mouth of Fern Canyon, Arroyo Seco. Comment
  OBI70644  Pickeringia montana var. montana Louis C. Wheeler 1947-4-13 6465 Los Angeles San Gabriel Mts; Millard Cyn 640 Comment
  RSA310783  Pickeringia montana var. montana Harry Purdy 1982-6-16 142 Los Angeles Angeles National Forest, Hwy 2, 2.8 miles W of Clear Creek Ranger Station. 915 Comment
  UCR35790  Pickeringia montana var. tomentosa Harry Purdy, Wayne Sawyer 1982-6-16 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, Angeles National Forest, Calif. Hwy 2, 2.8 mi. west of Clear Creek Ranger Station 915 Comment
  RSA472028  Picris echioides L. E. Hoffman 1929-6-8 s.n. Los Angeles Arroyo Seco Canyon Comment
  HSC12254  Pinus attenuata Wendell Wood 1970-6-24 49 Los Angeles Switzer's Camp, Angeles Crest Hwy. 9 mi beyond intersection with Foothill Blvd. 915 Comment
  UCSB33651  Pinus attenuata Patterson, Ralph 1965-3-24 Los Angeles Millard Canyon 609 Comment
  UCSB33656  Pinus attenuata Miller, Brian 1960-07 Los Angeles Switzer's Inlet 914 Comment
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Jun 22 2015
  RSA700384  Pinus coulteri Tim Thibault 2003-9-28 58 Los Angeles east of N3, across from Clear Creek Education Center Comment
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Mar 29 2014
  UCR132291  Pinus coulteri John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
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Mar 29 2014
  UCR132336  Pinus halepensis John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
  RSA384367  Pinus monophylla L. E. Hoffman 1931-10-21 s.n. Los Angeles Dark Canyon, Angeles Forest Comment
  RSA597175  Piperia cooperi Louis C. Wheeler 1950-5-19 6761 Los Angeles San Gabriel Mountains. Mesa between Millard Canyon and Arroyo Seco. 426 Comment
  RSA0107775  Piptatherum miliaceum R. G. Swinney 2011-10-18 15848 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  UCR132941  Piptatherum miliaceum Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  UCR273164  Piptatherum miliaceum R. G. Swinney 2011-10-18 15848 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  RSA613035  Pittosporum undulatum Louis C. Wheeler 1975-4-2 s.n. Los Angeles San Gabriel Mountains: Millard Canyon between Canyon Crest Road and National Forest Boundary. Comment
  UCR132354  Pittosporum undulatum John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  SBBG63998  Plagiobothrys M. N. Ackley -Apr-1929 64 Los Angeles La Crescenta 457 Comment
  JEPS6396  Plantago erecta Alice M. Ottley 1920-4-30 509 Los Angeles Arroyo Seco Pasadena Comment
  RSA678135  Plantago indica Valerie L. Soza, Monica Acosta 2001-6-28 1305 Los Angeles Arroyo Seco near confluence with El Prieto Canyon, alongside FS Road 2N70. 366 Comment
  UCR132938  Plantago indica Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  UCR136845  Plantago indica John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR132311  Plantago major John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  JEPS40303  Platanus racemosa Frank W. Peirson 1919-3-27 341 Los Angeles Arroyo Seco Canyon San Gabriel Mountains 411 Comment
  SD144446  Platanus racemosa David Charlton 1989-4-30 2995 Los Angeles San Gabriel Mountains; George's Gap, Angeles Crest Highway, ca. 10 miles north of the southern boundary of the Angeles National Forest, ca. 1.0 mile northwest of Switzer Camp. 1159 Comment
  UCR104742  Platanus racemosa David Charlton 1989-4-30 2995 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp. 1159 Comment
  POM16504  Poa secunda Le Roy Abrams 1901-04 1416 Los Angeles La Cananda Comment
  RSA730952  Poa secunda Gary D. Wallace 1979-5-26 1848 Los Angeles San Gabriel Mountains: along Angeles Forest Highway just west of Clear Creek Ranger Station Comment
  UCR132314  Polycarpon tetraphyllum John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  UCR136839  Polycarpon tetraphyllum John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR142766  Polycarpon tetraphyllum L. C. Wheeler 1967-4-27 9196 Los Angeles Transverse Ranges; San Gabriel Mtns, Sunset Ridge 671 Comment
  CAS-BOT-BC167818  Polygala cornuta var. fishiae A. J. McC. 1893-7-29 168 Los Angeles Pasadena 1219 Comment
  RSA702216  Polygonum arenastrum Scott D. White 2004-7-27 10623 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  UCR146690  Polygonum aviculare Scott D. White 2004-7-27 10623 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  RSA0013203  Polygonum aviculare subsp. neglectum Orlando Mistretta, Christine Mistretta 2011-7-13 5931 Los Angeles Big Tujunga Cyn. Along Angeles Forest Hwy, 1.0 miles W of junction With Big Tujunga Cyn Road. 793 Comment
  CAS-BOT-BC71884  Polypodium californicum M. E. Parsons 1912-1-20 s.n. Los Angeles Millard Canyon, Pasadena Comment
  CAS-BOT-BC71905  Polypodium californicum Le Roy Abrams 1999-3-11 s.n. Los Angeles Millard's Canyon, San Gabriel Mts. Comment
  RSA689900  Polypodium californicum T. S. Clare 1930-3-2 s.n. Los Angeles Oak Wilde, Arroyo Seco, Los Angeles Co, CA Comment
  RSA689903  Polypodium californicum Elbert Benjamine 1929-2-10 s.n. Los Angeles Arroyo Seco, above Pasadena Comment
  RSA747946  Polypodium californicum Scott D. White, J. Wood, J. Miner 2009-5-12 12699 Los Angeles Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UC62429  Polypodium californicum Ernest Braunton Jan. 1903 808 Los Angeles Arroyo Seco Comment
  UCR207627  Polypodium californicum O. F. Clarke 2004-4-27 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  UCSB62287  Polypodium californicum Kiefer, Lawrence 1967-3-4 Los Angeles San Gabriel Mtns., SW of Strawberry Peak, Colby Canyon, ca. 0.25mi upstream from Hwy 2 1066 Comment
  UCSB62315  Polypodium californicum Kiefer, Lawrence 1967-3-18 Los Angeles San Gabriel Mtns., N of La Canada, Clear Creek, tributary of Big Tujunga Canyon, ca. 3/4mi from confluence 731 Comment
  UCSB62368  Polypodium californicum Kiefer, Lawrence 1967-4-2 Los Angeles San Gabriel Mtns., N of Altadena, Fern Canyon, tributary of Arroyo Seco, ca. 1/4mi from confluence 426 Comment
  UCR132939  Polypogon monspeliensis Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  UCR136834  Polypogon monspeliensis John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  RSA0110812  Polypogon semiverticillatus R. G. Swinney 2011-10-18 15820 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  UCR273221  Polypogon semiverticillatus R. G. Swinney 2011-10-18 15820 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  RSA385488  Polypogon viridis Edwin Kline 1924-6-22 s.n. Los Angeles Arroyo Seco. San Gabriel Mountains. Comment
  UCR146527  Polystichum imbricans Scott D. White 2004-7-28 10655 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  UCR208038  Polystichum imbricans Geo. L. Moxley 1915-7-19 383 Los Angeles San Gabriel Mtns., Arroyo Seco Canyon Comment
  RSA229013  Polystichum imbricans subsp. curtum R. F. Thorne, C. W. Tilforth 1971-6-29 40732 Los Angeles San Gabriel Mountains: Angeles National Forest: Mixed evergreen forest on steep wooded bank of Lucas Creek S of Big Tujunga Narrows along Angeles Forest Rd. 914 Comment
  RSA693283  Polystichum imbricans subsp. curtum May N. Ackley 1928-6-29 110 Los Angeles Dark Canyon Oake Wilde. 701 Comment
  RSA702440  Polystichum imbricans subsp. imbricans Scott D. White 2004-7-28 10655 Los Angeles Clear Creek area. In and around eThe Pines' picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  CLARK-A1528-5599  Polystichum munitum John C. Roos 1937-7-3 Los Angeles La Canada Comment
  UCR273282  Populus fremontii R. G. Swinney 2011-10-18 15828 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  RSA0091684  Portulaca oleracea Bonnie C. Templeton 1967-8-1 10223 Los Angeles Clear Creek Forest Service Station at head of Clear Creek off Big Tujunga. Comment
  UCR238472  Potentilla glandulosa subsp. reflexa Orlando Mistretta, Christine Mistretta 2008-5-6 2666 Los Angeles Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon 628 Comment
  CHSC3675  Prunus ilicifolia Mary Mac Arthur 1966-5-26 34 Los Angeles Switzers camp--San Gab. Mts. 914 Comment
  CHSC3724  Prunus ilicifolia Sue Boergadine 1966-5-26 Los Angeles Switzer's Camp. Comment
  GH346576  Prunus ilicifolia F. W. Peirson 1918-5-21 83 Unknown Arroyo Seco, San Gabriel Mts. 381 Comment
  JEPS44723  Prunus ilicifolia Frank W. Peirson 1918-5-21 83 Los Angeles San Gabriel Mountains, Arroyo Seco Arroyo Seco; San Gabriel Mountains, Arroyo Seco 381 Comment
  OBI26245  Prunus ilicifolia Mark Schneider 1973-5-12 27 Los Angeles Vogel Flats, Big Tujunga Cyn, San Bernardino Mts 792 Comment
  RSA656267  Prunus ilicifolia Steve Archer 1977-4-6 19 Los Angeles Verdugo Mountains: Two tenths of a mile north of Shields Avenue on Briggs Road, La Crescenta. 488 Comment
  SD37655  Prunus ilicifolia Edith A. Purer 1931-5-1 2069 b Los Angeles Arroto Seco, hillside Comment
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Jun 10 2015
  UCR48853  Prunus ilicifolia Steve Morgan 1974-5-17 144 Los Angeles San Gabriel Mtns., Big Tujunga Canyon, 0.5 mi. east of Big Tujunga Canyon Road, at a point 10.9 mi. north of Mt. Gleason Ave. 701 Comment
  RSA454130  Prunus ilicifolia subsp. ilicifolia L. E. Hoffman 1931-11-9 s.n. Los Angeles San Gabriel Mountains: Millards Canyon, Angeles National Forest. Comment
  RSA623945  Prunus ilicifolia subsp. ilicifolia Raymond J. Dobbs 1927-5-21 599 Los Angeles 1 1/2 mile below Switzer's old trail. San Gabriel Mountains. Comment
  SBBG71033  Prunus ilicifolia subsp. ilicifolia M. N. Ackley -Jun-1927 954 Los Angeles Switzerland 914 Comment
  SFV15331  Pseudognaphalium leucocephalum J. C. Dittes, D. Stolp 1990-3-10 41 Los Angeles San Gabriel Mountains Streambed of Big Tujunga River, 0.5 miles upstream of the flood control reservoir. 732 Comment
  RSA0106488  Pseudognaphalium luteoalbum R. G. Swinney 2011-10-18 15817 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  UCR273230  Pseudognaphalium luteoalbum R. G. Swinney 2011-10-18 15817 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  CAS-BOT-BC357289  Pseudognaphalium microcephalum F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canon [Canyon], near Pasadena, San Gabriel Mts. Comment
  JEPS22870  Pseudognaphalium microcephalum Rimo Bacigalupi with Reino Alava 1958-7-21 6445 Los Angeles above canyon Arroyo Seco (along Angeles Crest Highway (Calif. No. 2)); San Gabriel Mts. 944 Comment
  CAS-BOT-BC357622  Pseudognaphalium stramineum Geo. L. Moxley 1927-5-1 s.n. Los Angeles La Crescenta Comment
  GH355398  Pseudotsuga macrocarpa Thorne R. F. & C. W. Tilforth 1971-6-29 40733 Unknown SAN GABRIEL MTS., ANGELES NATIONAL FOREST: Mixed evergreen forest along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Rd. 914 Comment
  HSC12362  Pseudotsuga macrocarpa Wendell Wood 1970-6-24 61 Los Angeles Angeles Crest Hwy. 6 mi beyond intersection with Foothill Blvd. 762 Comment
  RSA229143  Pseudotsuga macrocarpa Robert F. Thorne, C. W. Tilforth 1971-6-29 40733 Los Angeles Lucas Canyon 915 Comment
  RSA384628  Pseudotsuga macrocarpa L. E. Hoffman 1930-05 s.n. Los Angeles Millard's Canyon, Angeles Forest Comment
  RSA384629  Pseudotsuga macrocarpa L. E. Hoffman 1932-3-14 s.n. Los Angeles Millard's Canyon, Angeles National Forest [San Gabriel Mountains]. Comment
  RSA700381  Pseudotsuga macrocarpa Tim Thibault 2003-9-28 60 Los Angeles east of N3, across from Clear Creek Education Center 1057 Comment
  UCR103484  Pseudotsuga macrocarpa David Charlton 1989-4-30 3002 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway c. 2.5 mi. (airline) north of the southern boundary of the Angeles National Forest, c. 1.25 mi. west of Lower Switzer Campground 1311 Comment
  CDA4002  Psoralea bituminosa Wesley O. Griesel 1961-4-11 Los Angeles San Gabriel Mountains: Millard Canyon. Comment
  UCR109016  Psoralea physodes L. C. Wheeler 1947-7-4 6540 Los Angeles San Gabriel Mtns., El Prieto Canyon, off Millard Canyon 701 Comment
  RSA690870  Pteridium aquilinum var. pubescens L. E. Hoffman 1931-11-25 s.n. Los Angeles Millard s Canyon, Angeles Nat l Forest Comment
  UCR102377  Pteris cretica L. C. Wheeler 1947-7-11 6544 Los Angeles San Gabriel Mtns., Millard Canyon 412 Comment
  UCR129901  Pteris vittata L. C. Wheeler 1949-10-29 s.n. Los Angeles San Gabriel Mtns., Angeles National Forest, lower Millard Canyon, up stream from Canyon Crest Road Comment
  CAS-BOT-BC421198  Pterostegia drymarioides John H. Thomas 1957-5-11 6749 Los Angeles San Gabriel Mountains. About 3 miles north of La Canada near Angeles Crest Highway. 762 Comment
  JEPS57994  Pterostegia drymarioides Frank W. Peirson 1918-5-19 17 Los Angeles Millards Canyon San Gabriel Mts., Millards Canyon Comment
  RSA65370  Pterostegia drymarioides F. W. Peirson 17 Los Angeles Devils Gate, Arroyo Seco, Pasadena Comment
  RSA747734  Pterostegia drymarioides Scott D. White, J. Wood, J. Miner 2009-5-12 12698 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCR211800  Pyracantha crenatoserrata Valerie Soza, Monica Acosta 2001-6-28 1306 Los Angeles Transverse Ranges; San Gabriel Mountains, mouth of El Prieto Canyon, along FS Road 2N66, lower El Prieto trailhead 396 Comment
  RSA678136  Pyracantha fortuneana Valerie L. Soza, Monica Acosta 2001-6-28 1306 Los Angeles Transverse Ranges, San Gabriel Mountains region: Mouth of El Prieto Canyon, along FS Road 2N66, lower El Prieto trailhead. [Coordinates given for Pasadena.] 396 Comment
  CAS-BOT-BC45776  Quercus F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canon, near Pasadena, San Gabriel Mts. Comment
  CAS-BOT-BC45783  Quercus J. H. Thomas 1957-5-11 6746 Los Angeles About 2 miles NE of La Canada, near Angeles Crest Highway. Upper Sonoran Zone 609 Comment
  CAS-BOT-BC45822  Quercus F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canon, near Pasadena, San Gabriel Mts. Comment
  SD260957  Quercus D. E. Bramlet 2011-8-26 4937 Los Angeles San Gabrial Mountains: Maple Canyon, east of Big Tujunga Canyon, c. 1/2 mile due south of Big Tujunga Reservoir. 707 Comment
  SD260960  Quercus D. E. Bramlet 2011-8-26 4938 Los Angeles San Gabriel Mountains: Maple Canyon, east of Big Tujunga Canyon, C. 1/2 mile due south of Big Tujunga Reservoir. 707 Comment
  UCR275542  Quercus D. E. Bramlet 2011-8-26 4938 Los Angeles San Gabriel Mountains, Maple Canyon, east of Big Tujunga Canyon, c. 1/2 mile due south Big Tujunga Reservoir 915 Comment
  UCR275543  Quercus D. E. Bramlet 2011-8-26 4937 Los Angeles San Gabriel Mountains, Maple Canyon, east of Big Tujunga Canyon, c. 1/2 mile due south Big Tujunga Reservoir 915 Comment
  CAS-BOT-BC45631  Quercus agrifolia F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San Gabriel Mts. 914 Comment
  CHSC26050  Quercus agrifolia Jacqueline R. Bonquet 1960-8-16 Los Angeles Switzer's Camp, Angeles National Forest, San Gabriel Mts. 1066 Comment
  HSC8090  Quercus agrifolia C. E. Fellows 1965-8-22 118 Los Angeles Big Tujunga Canyon, Stonyvale Rd. across from La Paloma bridge 762 Comment
  RSA0106838  Quercus agrifolia var. agrifolia R. G. Swinney 2011-10-18 15844 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  RSA476841  Quercus agrifolia var. agrifolia F. R. Fosberg 1931-12-6 7081 Los Angeles Arroyo Seco, Sierra Madre Mts. Comment
  RSA476856  Quercus agrifolia var. agrifolia G. R. Johnstone 1927-10-9 s.n. Los Angeles Switzer's Camp Comment
  RSA76856  Quercus agrifolia var. agrifolia I. M. Johnston 1927-9-10 s.n. Los Angeles Switzer's camp Comment
  UCR273388  Quercus agrifolia var. agrifolia R. G. Swinney 2011-10-18 15844 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  RSA0041590  Quercus berberidifolia Orlando Mistretta, Cher Batchelor 2011-7-27 5988 Los Angeles Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31. 975 Comment
  SEINET238519  Quercus berberidifolia A. C. Sanders, D. Malueg 1998-6-22 22035 Los Angeles San Gabriel Mtns.: La Canada SCE Gould Substation off Hwy 2 Gould Canyon. 595 Comment
  UCD45265  Quercus berberidifolia James Dilley; Jaime Kneitel 1997-2-23 s.n. Los Angeles Angeles National Forest, Big Tujunga Canyon Rd., about 200 yds. West of Angeles Forest Hwy. Comment
  UCD45294  Quercus berberidifolia C. H. Mueller 1937-8-29 2522 Los Angeles Big Tujunga Canon, Los Angeles County, California. Comment
  UCR111524  Quercus berberidifolia A. C. Sanders, D. Malueg 1998-6-22 22035 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  A344218  Quercus chrysolepis J. G. Jack 1907-7-12 Unknown Pasadena, Willard's Canon Comment
  CAS-BOT-BC62574  Quercus chrysolepis Grimmell 1908-10-8 s.n. Los Angeles Switzer Camp. San Gabriel Mts. 914 Comment
  GH344249  Quercus chrysolepis L. E. Hoffman 1931-11-5 Unknown Millard's Canyon, Mountain Canyons Comment
  RSA476889  Quercus chrysolepis L. E. Hoffman 1931-5-11 s.n. Los Angeles Millard's Canyon, Angeles Nat'l Forest. Comment
  RSA476890  Quercus chrysolepis L. E. Hoffman 1934-7-24 s.n. Los Angeles Arroyo Seco Canyon. Angeles Forest. Comment
  RSA476903  Quercus chrysolepis I. M. Johnston 1928-9-10 15747 Los Angeles Switzers Camp Arroyo seco. Comment
  RSA476908  Quercus chrysolepis Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail. Comment
  RSA624007  Quercus chrysolepis Raymond J. Dobbs 1924-6-6 269 Los Angeles 1/2 mile north of Switzer's, High trail Comment
  UCSB33683  Quercus chrysolepis Miller, Brian 1960-7-13 Los Angeles Switzer's Inslet, San Gabriel Mountains 914 Comment
  UCSB34090  Quercus chrysolepis Nixon, Kevin 1977-11-24 Los Angeles Pickens Canyon; 150 yds past end of flood control access road off of Canyonside rd, which is approximately 3mi n. of foothill rd off of Briggs rd; San Gabriel Mtns, La Crescenta 640 Comment
  A344674  Quercus dumosa J. G. Jack 1907-7-12 Unknown Pasadena, Millard's Canon Comment
  A344690  Quercus dumosa G. B. Grant Unknown Arroyo Seco Canon Pasadena Comment
  CAS-BOT-BC86370  Quercus dumosa Fordyce Grinnell 1906-12-22 s.n. Los Angeles Arroyo Seco Canyon near Pasadena Comment
  CAS-BOT-BC86371  Quercus dumosa Fordyce Grinnell 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  CAS-BOT-BC86372  Quercus dumosa Fordyce Grinnell 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  CAS-BOT-BC86373  Quercus dumosa Fordyce Grinnell 1908-10-8 s.n. Los Angeles Switzer Camp., San Gabriel Mts. Comment
  JEPS46660  Quercus dumosa Ernest Braunton 1892-2 Los Angeles near n Pasadena Comment
  UCD45861  Quercus dumosa Bonnie C. Templeton 1929-12-15 1447 Los Angeles Location: Arroyo Seco, near camp Switgers, Los Angeles County. 900 Comment
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Jan 9 2012
  CAS-BOT-BC79763  Quercus durata F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon, near Pasadena. San Gabriel Mountains Comment
  UCSB39062  Quercus durata Thomson, B. 1977-5-22 Los Angeles Bie Tujunga Road; 2.8 miles east of Big Tujunga Station 762 Comment
  CHSC111041  Quercus durata var. gabrielensis D. E. Bramlet 2011-6-15 4871 Los Angeles Transverse Ranges; San Gabriel Mountains region: Middle of Maple Canyon, 490m east of Big Tujunga Rd. and 47m W of Angeles Forest Hwy. 786 Comment
  POM20902  Quercus durata var. gabrielensis Fordyce Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena; San Gabriel Mts. Comment
  POM290518  Quercus durata var. gabrielensis Lyman Benson 1949-11-7 14290 Los Angeles 20 miles S of Vincent 1524 Comment
  RSA476600  Quercus durata var. gabrielensis F. R. Fosberg 1931-11-29 7078 Los Angeles La Crescenta Comment
  RSA476601  Quercus durata var. gabrielensis F. R. Fosberg 1931-11-29 7080 Los Angeles La Crescenta Comment
  RSA476760  Quercus durata var. gabrielensis Bonnie C. Templeton 1929-12-15 1448 Los Angeles Arroyo Seco, near Camp Switzers. 900 Comment
  RSA476762  Quercus durata var. gabrielensis L. E. Hoffman 1931-11-9 s.n. Los Angeles Millards Canyon. Comment
  RSA476764  Quercus durata var. gabrielensis Bonnie C. Templeton 1929-12-15 1447 Los Angeles Arroyo Seco, near Camp Switzers. 900 Comment
  RSA660200  Quercus durata var. gabrielensis Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 5 Los Angeles 3.8 miles from Pasadena city limits sign, on Angeles Crest Highway. Comment
  RSA702434  Quercus durata var. gabrielensis Scott D. White 2004-7-28 10664 Los Angeles San Gabriel Mountains: Clear Creek area. In and around 'The Pines' picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  RSA702822  Quercus durata var. gabrielensis Scott D. White 2004-7-27 10633 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  RSA703508  Quercus durata var. gabrielensis Scott D. White 2004-9-3 10747 Los Angeles San Gabriel Mountains: 'Grizzly Flat,' ca. 1 air mile N of Angeles Crest Hwy and ca. 1 air mi S of Big Tujunga Cyn. Rd. 732 Comment
  RSA747741  Quercus durata var. gabrielensis Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12689 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  RSA788645  Quercus durata var. gabrielensis D. E. Bramlet 2011-6-15 4871 Los Angeles Middle of Maple Canyon, 490m east of Big Tujunga Rd. & 477m W of Angeles Forest Hwy. 786 Comment
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Dec 19 2014
  SBBG127246  Quercus durata var. gabrielensis D. E. Bramlet 2011-6-15 4871 Los Angeles middle of Maple Cyn, 490 m E of Big Tujunga Rd & 477 m W of Angeles Forest Hwy; San Gabriel Mtns 786 Comment
  SEINET7845628 Image available Quercus durata var. gabrielensis D. E. Bramlet 2011-1 4871 Los Angeles Transverse Ranges; San Gabriel Mountains region: Middle of Maple Cyn., 490m east of Big Tujunga Rd. &477m W of Angeles Forest Hwy. (Condor Peak:T2N R12W). 786 Comment
  UCR146495  Quercus durata var. gabrielensis Scott D. White 2004-7-27 10664 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  UCR255945  Quercus durata var. gabrielensis D. E. Bramlet 2011-6-15 4871 Los Angeles Transverse Ranges; San Gabriel Mountains, middle of Maple Canyon, 490 m east of Big Tujunga Rd. & 477 m west of Angeles Forest Hwy 786 Comment
  UCR269118  Quercus durata var. gabrielensis Orlando Mistretta, Christine Mistretta 2008-5-9 3017 Los Angeles San Gabriel Mountains, Southern California Edison transmission line tower (Segment 11, structure 63 per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon 845 Comment
  UCR269120  Quercus durata var. gabrielensis Orlando Mistretta, Christine Mistretta 2008-5-6 2668 Los Angeles Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon 628 Comment
  RSA747750  Quercus engelmannii Scott D. White, J. Wood, J. Miner 2009-5-12 12701 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCD47612  Quercus wislizeni T. E. Weier 1941-6-24 s.n. Los Angeles Angeles Crest. Comment
  RSA623992  Quercus wislizeni var. frutescens Raymond J. Dobbs 1927-5-12 280 Los Angeles 1 1/2 mile below Switzer's old trail Comment
  UCR136827  Rafinesquia californica John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  RSA738051  Raphanus sativus Bill Duval s.n. Los Angeles La Canada Comment
  UCR132301  Rhamnus californica John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, just east of Jet Prop. Lab., transect zero below diversion dam 366 Comment
  RSA390182  Rhamnus californica subsp. californica G. R. Johnstone 1930-9-14 s.n. Los Angeles Edison Rd. above Dark Canyon Calif. San Gabriel Mts. 762 Comment
  RSA529892  Rhamnus californica subsp. californica Tim S. Ross 1991-8-16 5799 Los Angeles Woodwardia canyon, San Gabriel Mtns (N of Pasadena) 819 Comment
  UC1586211  Rhamnus californica subsp. californica Tim Ross 1991-8-16 5799 Los Angeles Woodwardia Canyon, San Gabriel Mountains (n of Pasadena) San Gabriel Mountains, Condor Peak U.S.G.S. 7.5 ' Quad. 818 Comment
  A378244  Rhamnus crocea J. G. Jack 1907-7-12 Unknown Pasadena, Willard's Canon Comment
  JEPS41979  Rhamnus crocea Frank W. Peirson 1919-3-27 339 Los Angeles w of Arroyo Seco; San Gabriel Mountains 396 Comment
  SBBG129219  Rhamnus crocea J. G. Jack 1907-7-12 Los Angeles Millard's Canon, Pasadena Comment
  CAS-BOT-BC55981  Rhamnus ilicifolia F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena, San Gabriel Mountains Comment
  CAS-BOT-BC55985  Rhamnus ilicifolia Carl B. Wolf 1927-7-24 s.n. Los Angeles 1/2 mile East of Montrose Comment
  CAS-BOT-BC56003  Rhamnus ilicifolia J. H. Thomas 1957-5-11 6747 Los Angeles About 2 miles NE of La Canada near Angeles Crest Highway 609 Comment
  RSA390826  Rhamnus ilicifolia Fordyce Grinnell Jr. 1910-06 1931 Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  RSA391040  Rhamnus ilicifolia Marcus E. Jones 1925-5-26 s.n. Los Angeles Arroyo Seco, San Gabriel Mts. Comment
  RSA660207  Rhamnus ilicifolia Yvonne Rasmussen 1984-5-5 27 Los Angeles 5.5 miles past the Pasadena city limits on the way towards mount Wilson on Angeles Crest Highway. Turn off on right as one goes up the hill. Comment
  RSA7796  Rhamnus ilicifolia Carl B. Wolf 1927-7-24 670 Los Angeles 1/2 mi east of Montrose 457 Comment
  UC592780  Rhamnus ilicifolia unknown 1927-7-24 670 Los Angeles 0.5 mi e Montrose Comment
  UCR132306  Rhamnus ilicifolia John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
  UCR207575  Rhamnus ilicifolia O. F. Clarke 2004-7-11 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  RSA390146  Rhamnus tomentella subsp. cuspidata Fordyce Grinnell Jr. 1910-06 1931 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA390150  Rhamnus tomentella subsp. cuspidata Fordyce Grinnell Jr. 1910-06 s.n. Los Angeles Long Canyon, San Gabriel Mountains. Comment
  CAS-BOT-BC168141  Rhus aromatica Carl B. Wolf 1927-7-24 672 Los Angeles 1/2 mile East of Montrose 457 Comment
  HSC12406  Rhus integrifolia Wendell Wood 1970-6-24 41 Los Angeles Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  JEPS66238  Rhus integrifolia Frank W. Peirson 1919-1-25 313 Los Angeles e of Morrovia Canyon (Arroyo Seca); San Gabriel Mountains 365 Comment
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Dec 10 2014
  RSA77171  Rhus integrifolia F. W. Peirson 1919-1-25 313 Los Angeles Arroyo Seco, near Pasadena 381 Comment
  CAS-BOT-BC175224  Rhus ovata Wayne Law; Jun Hu 2000-4-30 07 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground 823 Comment
  CHSC34568  Rhus ovata Carole Gale 1979-5-12 10 Los Angeles Ca. 8mi. N. of Pasadena in Angeles National Forest, 10.5 mi. N. of junction with 210 H. wy. on Angeles Crest Highway in San Gabriel Mts. Comment
  CHSC3674  Rhus ovata Mary MacArthur 1966-5-26 35 Los Angeles Switzer's camp- Saw Gab Mts. Comment
  CHSC3727  Rhus ovata Sue Boergadine 1966-5-26 Los Angeles Switzer's camp 762 Comment
  JEPS66263  Rhus ovata Frank W. Peirson 1918-5-19 106 Los Angeles Millards Canyon 1036 Comment
  POM86952  Rhus ovata Marcus E. Jones 1902-6-28 s.n. Los Angeles Mts. near Pasadena Comment
  RSA386378  Rhus ovata Fordyce Grinnell Jr. 1910-06 1931 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA386379  Rhus ovata L. E. Hoffman 1933-3-23 17111 Los Angeles Millard's Canyon, San Gabriel Mts. Comment
  RSA386383  Rhus ovata B. C. Templeton 1931-11-9 s.n. Los Angeles Millards Canyon Comment
  SD234265  Rhus ovata Wayne Law, J. Hu 2000-4-30 7 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 518 Comment
  SEINET238660  Rhus ovata A. C. Sanders, D. Malueg 1998-6-24 22058 Los Angeles San Gabriel Mountains: CCC Ridge off highway 2 just north of Pasadena city limits South Cal. Edison Mesa-Vinent trans 823 Comment
  SFV16683  Rhus ovata P. Wilson, J. M. Albert 1996-6-12 3424 Los Angeles San Gabriel Mountains Off Highway 2 and mile marker 29.13. 823 Comment
  UCR114181  Rhus ovata A. C. Sanders, D. Malueg 1998-6-24 22058 Los Angeles San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  UCR132308  Rhus ovata John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  UCR172778  Rhus ovata Wayne Law, Jun Hu 2000-4-30 07 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  UCR273387  Rhus ovata R. G. Swinney 2011-10-18 15843 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  UCSB3761  Rhus ovata Wilson, Richard 1958-5-10 Los Angeles 6 miles N. of Foothills Blvd. on Angeles Crest Highway 1066 Comment
  RSA18526  Rhus trilobata var. pilosissima C. B. Wolf 1927-7-24 672 Los Angeles 1/2 mile east of Montrose Comment
  RSA600701  Rhus viminalis L. C. Wheeler 1969-6-1 s.n. Los Angeles San Gabriel Mountains. On Angeles Forest Highway just north of intersection with Big Tujunga Canyon Road. 1005 Comment
  CAS-BOT-BC433164  Ribes Braunton 1903-1-10 793 Los Angeles Arroyo Seco Comment
  CAS-BOT-BC433165  Ribes Ernest Braunton 1903-1-10 793 Los Angeles Arroyo Seco Comment
  CAS-BOT-BC433166  Ribes Geo. B. Grant 1914-4-1 s.n. Los Angeles Arroyo Seco Canon [Canyon], Pasadena Comment
  A363909  Ribes amarum L. C. Wheeler 1936-3-8 4082 Unknown Arroyo Seco, San Gabriel Mts. 457 Comment
  CAS-BOT-BC92279  Ribes amarum John Thomas Howell 1928-2-18 3351 Los Angeles Trail to Switzer's, Arroyo Seco, San Gabriel Mountains. Comment
  CAS-BOT-BC92289  Ribes amarum Louis C. Wheeler 1936-3-8 4082 Los Angeles San Gabriel Mountains. Arroyo Seco. 457 Comment
  CAS-BOT-BC92290  Ribes amarum Louis C. Wheeler 1936-3-8 4082 Los Angeles San Gabriel Mountains. Arroyo Seco. 457 Comment
  CAS-BOT-BC92293  Ribes amarum L. R. Abrams 1899-1-1 s.n. Los Angeles Millards Canon [Canyon]. Comment
  CAS-BOT-BC92303  Ribes amarum Wesley O. Griesel 1959-2-27 s.n. Los Angeles Millard Canyon, San Gabriel Mountains. 609 Comment
  CAS-BOT-BC92304  Ribes amarum C. S. Morris 1908-4-23 s.n. Los Angeles Arroyo Seco Canon [Canyon] near Pasadena. 609 Comment
  GH363887  Ribes amarum L. C. Wheeler 1936-3-8 4082 Unknown Arroyo Seco. San Gabriel Mts. 457 Comment
  RSA222221  Ribes amarum Louis C. Wheeler 1936-3-8 4082 Los Angeles Arroyo Seco. 457 Comment
  RSA229746  Ribes amarum Wesley O. Griesel 1961-2-5 s.n. Los Angeles Millard Canyon. 610 Comment
  RSA247303  Ribes amarum G. D. Wallace 1966-3-25 208 Los Angeles Millard Canyon, N of Altadena. 457 Comment
  RSA476410  Ribes amarum Anstruther Davidson 1891-5-30 s.n. Los Angeles Millards Canyon Comment
  RSA476411  Ribes amarum L. E. Hoffman 1933-3-23 17107 Los Angeles Millard's Canyon, San Gabriel Mts. Comment
  RSA476413  Ribes amarum T. S. Clare 1930-3-2 14609 Los Angeles Oak Wilde, Arroyo Seco. Comment
  RSA476417  Ribes amarum L. E. Hoffman 1932-3-14 s.n. Los Angeles Millard's Canyon, Angeles National Forest [San Gabriel Mountains]. Comment
  RSA610141  Ribes amarum Louis C. Wheeler 1936-3-8 4082 Los Angeles San Gabriel Mountains: Arroyo Seco. 457 Comment
  RSA85522  Ribes amarum F. W. Peirson 1928-2-19 7686 Los Angeles Arroyo Seco 610 Comment
  SEINET4560264  Ribes amarum Louis C. Wheeler 1936-1 4082 Los Angeles San Gabriel Mountains: Arroyo Seco. 457 Comment
  SEINET4890185 Image available Ribes amarum Louis C. Wheeler 1936-3-8 4082 Los Angeles San Gabriel Mountains: Arroyo Seco. 457 Comment
  UC2029986  Ribes amarum Louis C. Wheeler 1936-3-8 4082 Los Angeles SAN GABRIEL MOUNTAINS: Arroyo Seco. Comment
  UCR70824  Ribes amarum L. C. Wheeler 1936-3-8 4082 Los Angeles San Gabriel Mtns, Arroyo Seco 457 Comment
  UCSB2598  Ribes amarum Sage, Paul 1958-2-21 Los Angeles on S. wall of Millard Canyon 100 yds; above campground at the end of Chainy Trail; Altadena 518 Comment
  UCSB29454  Ribes amarum Miller, Brian 1963-2-25 Los Angeles Millard Canyon; San Gabriel Mts 457 Comment
  RSA615514  Ribes aureum var. gracillimum Louis C. Wheeler 1975-2-17 s.n. Los Angeles San Gabriel Mountains: Sunset Ridge by Millard Canyon. Comment
  UCR108636  Ribes aureum var. gracillimum L. C. Wheeler 1975-2-17 s.n. Los Angeles San Gabriel Mtns, Sunset Ridge by Millard Canyon Comment
  SBBG14055  Ribes californicum E. R. Blakley 1957-1-13 2050 Los Angeles Pine Cyn N of Altadena 792 Comment
  CAS-BOT-BC93066  Ribes californicum var. hesperium Wesley O. Griesel 1961-5-20 s.n. Los Angeles Millard Canyon, San Gabriel Mountains. 457 Comment
  CAS-BOT-BC93067  Ribes californicum var. hesperium Wesley O. Griesel 1962-1-14 s.n. Los Angeles Millard Canyon, San Gabriel Mountains. 457 Comment
  CAS-BOT-BC93086  Ribes californicum var. hesperium A. J. McClatchie 1894-1-1 s.n. Los Angeles Canons [Canyons] San Gabriel Mountains near Pasadena. Comment
  CAS-BOT-BC93087  Ribes californicum var. hesperium A. J. McClatchie 1893-6-2 128 Los Angeles Near Pasadena. Comment
  JEPS26543  Ribes californicum var. hesperium Peter Kamb 1948-1-10 747 Los Angeles Millards Canyon San Gabriel Mts. 762 Comment
  RSA476451  Ribes californicum var. hesperium Anstruther Davidson 1894-02 1837 Los Angeles Millard s Canyon Comment
  RSA476454  Ribes californicum var. hesperium L. E. Hoffman 1930-05 s.n. Los Angeles Millard's Canyon, Angeles Forest Comment
  CAS-BOT-BC6064  Ribes hesperium Alfred James McClatchie 1894-1-1 s.n. Los Angeles Canons San Gabriel Mts. near Pasadena Comment
  CAS-BOT-BC6065  Ribes hesperium Alfred James McClatchie s.n. Los Angeles San Gabriel Mts, near Pasadena Comment
  A380219  Ribes indecorum J. T. Howell 1928-2-18 3349 Unknown Trail to Switzer's, Arroyo Seco, San Gabriel Mts. Comment
  CAS-BOT-BC173095  Ribes indecorum Ernest Braunton 1903-1-10 793 Los Angeles Arroyo Seco Comment
  CAS-BOT-BC173097  Ribes indecorum John Thomas Howell 1928-2-18 3349 Los Angeles Trail to Switzer's, Arroyo Seco, San Gabriel Mts. Comment
  CAS-BOT-BC173110  Ribes indecorum Fordyce Grinnell 1903-12-22 18 Los Angeles Arroyo Seco [Canon] Canyon, Sierra Madre Mts. near Pasadena Comment
  CAS-BOT-BC173119  Ribes indecorum John Thomas Howell 1928-2-18 3349 Los Angeles Arroyo Seco, San [Gabrill] Gabriel Mts. Comment
  JEPS49339  Ribes indecorum Frank W. Peirson 1918-11-1 299 Los Angeles trail to Switzers (Arroyo Seco); San Gabriel Mts. 944 Comment
  JEPS49340  Ribes indecorum Frank W. Peirson 1919-5-21 299 a Los Angeles San Gabriel Mountains, Arroyo Seco, Trail to Switzers Arroyo Seco; San Gabriel Mountains, Arroyo Seco 944 Comment
  RSA441489  Ribes indecorum Elbert Benjamine 1929-2-10 s.n. Los Angeles Arroyo Seco, above Pasadena. 762 Comment
  RSA476177  Ribes indecorum Albert J. Perkins 1917-2-25 s.n. Los Angeles Arroyo Seco- near upper end Comment
  RSA595510  Ribes indecorum Louis C. Wheeler 1969-2-16 s.n. Los Angeles San Gabriel Mountains. Bench 1/4 mi. east of confluence of Arroyo Seco and El Prieto Canyon. 388 Comment
  RSA84505  Ribes indecorum F. W. Peirson 1918-11-1 299 Los Angeles along top of ridge on trail to Switzer s Camp, Arroyo Seco 945 Comment
  CAS-BOT-BC173424  Ribes malvaceum Ernest Braunton 1903-1-10 774 Los Angeles Arroyo Seco Comment
  CAS-BOT-BC173439  Ribes malvaceum A. J. McC. 1892-1-8 69 Los Angeles San Ber. Mts, near Pasadena Comment
  CAS-BOT-BC173440  Ribes malvaceum A. J. McClatchie 1893-2-1 s.n. Los Angeles San Gabriel Mts., near Pasadena Comment
  UC69854  Ribes malvaceum Ernest Braunton 1903-1-10 793 Los Angeles Arroyo Seco Comment
  RSA441470  Ribes malvaceum var. viridifolium L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
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Jan 1 2017
  RSA441480  Ribes malvaceum var. viridifolium Elbert Benjamine 1929-2-10 2028 Los Angeles Arroyo Seco, above Pasadena. Comment
  UC69258  Ribes malvaceum var. viridifolium Ernest Braunton 1903-1-10 774 Los Angeles Arroyo Seco Comment
  CDA4891  Ricinus communis T. C. Fuller 1958-8-5 1959 Los Angeles Northeast of Foothill Boulevard at Hillard Avenue, La Canada. 0 Comment
  CDA4895  Ricinus communis T. C. Fuller 1958-8-5 3959 Los Angeles Northeast of Foothill Boulevard at Hillard Avenue, La Canada. 0 Comment
  RSA599734  Ricinus communis L. C. Wheeler 1967-12-10 s.n. Los Angeles San Gabriel Mountains: Fern Canyon, off Arroyo Seco at Brown Mountain Road. 701 Comment
  UCSB7420  Ricinus communis Wilson, Richard 1958-5-10 Los Angeles 1 mile N of Foothill Blvd. on Angeles Crest Highway 457 Comment
  RSA747743  Robinia pseudoacacia Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12687 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCR132944  Rorippa nasturtium-aquaticum Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  RSA628307  Rosa multiflora Louis C. Wheeler 1972-4-27 s.n. Los Angeles San Gabriel Mountains: Millard Canyon, just south of national forest boundary. Comment
  RSA565752  Rubus discolor Mike Hammitt, Jason Rick 1991-6-25 s.n. Los Angeles San Gabriel Mountains: Arroyo Seco Canyon; above the debris dam and below Oakwilde Picnic Area along the Gabrielino Trail Comment
  RSA565753  Rubus discolor Mike Hammitt, Jason Rick 1991-6-25 s.n. Los Angeles San Gabriel Mountains: Arroyo Seco Canyon; above the debris dam and below Oakwilde Picnic Area along the Gabrielino Trail Comment
  RSA599909  Rubus discolor Louis C. Wheeler 1967-10-9 s.n. Los Angeles San Gabriel Mountains: Middle Fork West Ravine near Chaney Trail. 457 Comment
  RSA723321  Rubus discolor LeRoy Gross, Sarah M. Siedschlag 2007-6-4 2778 Los Angeles Southern side of mountains. Along Mount Lukens Road (2N76.2). Short distance up road from the Angeles Crest Ranger Station. Road Survey for the National Forest. Near 771 Comment
  RSA764456  Rubus leucodermis var. bernardinus Doris Bowers 1957-3-24 347 Los Angeles Millard's Canyon N/o Altadena. 1220 Comment
  CHSC26321  Rubus parviflorus G. Kaufman 1966-4-29 153 Los Angeles 2 miles North of Altadena in Millard Cyn. at North end of Chaney trail in San Gabriel Mtns. 579 Comment
  UCR4188  Rubus pensilvanicus R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns., along road, c. 2.5 miles into Arroyo Seco Canyon, Pasadena 427 Comment
  POM1473  Rubus ursinus Unspecified 1893-05 s.n. Los Angeles Arroyo Seco, Pasadena Comment
  RSA0011381  Rubus ursinus Orlando Mistretta, Christine Mistretta 2011-7-13 5943 Los Angeles Big Tujunga Canyon, near head of Maple Cyn, S of Angeles Forest Hwy, 1.9 miles W of jct. of Angeles Forest Hwy and Angeles Crest Hwy. 942 Comment
  RSA499371  Rubus ursinus Albert J. Perkins 1915-10-31 s.n. Los Angeles Clear Creek Trail, Tujunga Ca - on Comment
  RSA600753  Rumex crispus Louis C. Wheeler 1967-6-16 9842 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; Coulter Reservoir. 655 Comment
  UCR136825  Rumex crispus John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  POM50454  Rumex hymenosepalus L. R. Abrams 1901-04 1399 Los Angeles La Cananda Comment
  RSA0104902  Rumex salicifolius R. G. Swinney 2011-10-18 15827 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  UCR273281  Rumex salicifolius R. G. Swinney 2011-10-18 15827 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  RSA608039  Rupertia physodes L. C. Wheeler 1947-7-4 6540 Los Angeles San Gabriel Mountains: El Prieto Canyon, off Millard Canyon 670 Comment
  JEPS28827  Rupertia rigida Wesley O. Griesel 1961-4-11 Los Angeles San Gabriel Mountains, Millard Canyon Millard Canyon; San Gabriel Mountains, Millard Canyon 609 Comment
  RSA601573  Sagina apetala L. C. Wheeler 1967-6-16 9846 Los Angeles San Gabriel Mountains: Sunset Ridge by Millard Canyon; north side NE of Coulter Reservoir. 640 Comment
  UCR273379  Salix R. G. Swinney 2011-10-18 15808 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  RSA613032  Salix exigua Louis C. Wheeler 1975-4-2 s.n. Los Angeles San Gabriel Mountains: Millard Canyon just above Canyon Crest Road. Comment
  UCR108358  Salix exigua L. C. Wheeler 1975-4-2 s.n. Los Angeles San Gabriel Mtns., Millard Canyon just above Canyon Crest Road Comment
  JEPS14880  Salix laevigata Ernest Braunton 1932-4-17 1067 Los Angeles Tujunga Canyon; San Gabriel Mts. 609 Comment
  RSA229193  Salix laevigata Robert F. Thorne, C. W. Tilforth 1971-6-29 40724 Los Angeles Lucas Canyon 915 Comment
  POM362742  Salix lasiolepis Robert Gustafson 1973-5-17 s.n. Los Angeles 3 mi southwest of the Mt. Wilson turnoff on Angeles Crest Highway 1585 Comment
  UC483089  Salix lasiolepis Frank W. Peirson 1932-3-3 9767 Los Angeles Arroyo Seco Canyon; banks of stream 396 Comment
  UCR132303  Salpichroa origanifolia John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
  UCR207626  Salpichroa origanifolia O. F. Clarke 2004-4-27 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  RSA469660  Saltugilia splendens subsp. grantii Geo L. Moxley 1915-7-19 379 Los Angeles Arroyo Seco Canyon at Switzer's Camp. San Gabriel Mountains. Comment
  RSA469662  Saltugilia splendens subsp. grantii L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  SBBG64368  Saltugilia splendens subsp. grantii M. N. Ackley 1927-6-5 810 Los Angeles trail to Switzerland Comment
  RSA311401  Salvia apiana Cheryl A. Lawson 1971-7-9 424 Los Angeles Vogel Flats, Big Tujunga Canyon, San Gabriel Mountains, Angeles National Forest. Comment
  RSA411295  Salvia apiana L. E. Hoffman 1931-11-9 s.n. Los Angeles San Gabriel Mountains: Millards Canyon, Angeles National Forest. Comment
  RSA411307  Salvia apiana Fordyce Grinnell Jr. 1910-06 3283 Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  UCR175042  Salvia apiana Holly Summers 2006-6-4 56 Los Angeles San Gabriel Mountains, 2 miles north of Foothill Blvd. on Angeles Crest Highway (Hwy 2), near Brown Canyon 701 Comment
  CHSC26066  Salvia carduacea M. Malody 1966-4-17 34 Los Angeles Mallard Canyon in the San Gabriel Mountains. 365 Comment
  JEPS62665  Salvia columbariae Frank W. Peirson 1919-3-27 335 Los Angeles hills w Arroyo Seco; San Gabriel Mts. 426 Comment
  CAS-BOT-BC229497  Salvia mellifera Jun Hu; Weena Sangkatavat 2000-4-22 03 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  CHSC12144  Salvia mellifera L. M. Mayer 1973-4-21 103 Los Angeles Very abundant at the base of the mountains, ca. 20 ft off the rd through Big Tujunga Canyon, ca 8 mi ne of the intersection of Foothill Blvd. and Mt Gleason Ave. 701 Comment
  RSA434120  Salvia mellifera L. E. Hoffman 1932-3-14 s.n. Los Angeles Millard's Canyon, Angeles National Forest [San Gabriel Mountains]. Comment
  UCD125537  Salvia mellifera A. C. Sanders; D. Malueg 1998-6-22 22029 Los Angeles San Gabriel Mtns. La Canada, SCE Gould Substation off Hwy 2, Gould Canyon. 595 Comment
  UCR111507  Salvia mellifera A. C. Sanders, D. Malueg 1998-6-22 22029 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  UCR172706  Salvia mellifera Jun Hu, Weena Sangkatavat 2000-4-22 03 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  UCR4172  Salvia mellifera R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns., along road, about 1/2 mi north of gauging station in Arroyo Seco Canyon. Pasadena 427 Comment
  RSA434069  Salvia spathacea Dorothy Davis 1923-4-29 s.n. Los Angeles La Canada. Comment
  RSA477572  Sambucus mexicana Howard Mullins 1931-3-11 s.n. Los Angeles Oakwilde. Comment
  RSA660778  Sambucus mexicana Jeff Weiler 1981-4-26 30 Los Angeles La Canada, Earl Canyon Motorway. Trailhead: NW side of Palm Dr., .3 mi. N of intersection with Fairmount Ave. Comment
  RSA747752  Sanicula crassicaulis Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12686 Los Angeles Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCR213792  Sanicula crassicaulis Scott D. White, Justin M. Wood, Chris Huntley, Jamie Miner 2009-5-12 12686 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  UCR238473  Sanicula crassicaulis Orlando Mistretta, Christine Mistretta 2008-5-6 2667 Los Angeles Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon 628 Comment
  RSA471492  Sanicula tuberosa Anstruther Davidson 1892-05 s.n. Los Angeles Millard Canon. Los Angeles. Comment
  UCSB41292  Sanicula tuberosa Griesel, Wesley 1959-4-30 Los Angeles Switzer's Inlet, San Gabriel Mts. 914 Comment
  POM48473  Satureja mimuloides Raymond J. Dobbs 1924-7-8 s.n. Los Angeles Along trail two and one-half miles below Switzer Camp. Comment
  RSA445300  Satureja mimuloides Geo. L. Moxley 1914-9-7 280 Los Angeles Arroyo Seco Canyon. Comment
  RSA445301  Satureja mimuloides Geo. L. Moxley 1914-9-7 280 Los Angeles Arroyo Seco Canyon. Comment
  RSA445302  Satureja mimuloides Geo. L. Moxley 1915-7-24 437 Los Angeles Arroyo Seco Canyon, about 1/2 mile above Oak Wild Camp. Comment
  RSA83430  Satureja mimuloides F. W. Peirson 1924-7-8 5394 Los Angeles 2.5 miles below Switzer s Camp, San Gabriel Mts, above Pasadena. 671 Comment
  UC188199  Satureja mimuloides G. L. M. 1915-7-24 437 Los Angeles 1/2 mi above Oak Wilde Camp; San Gabriel Mts., Arroyo Seco Canyon Comment
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Sep 12 2013
  UC570722  Satureja mimuloides Dr. R. J. Dobbs 1924-7-8 5394 Los Angeles trail to Switzers Camp; San Gabriel Mts. Comment
  RSA604200  Schedonorus arundinaceus L. C. Wheeler 1972-5-21 s.n. Los Angeles San Gabriel Mountains: Millard Canyon, just inside National Forest Boundary. Comment
  CHSC95804  Schismus arabicus LeRoy Gross; Ted Anderson 2004-5-3 1215 Los Angeles Transverse Ranges; San Gabriel Mountains region: Road started west of Mt. Lukens, down (Southeast) to a little west of Earl Canyon Road. (Angeles National Forest Road surveys. Roads, 2N76.1 and 2N76.2). 1380 Comment
  RSA699886  Schismus arabicus LeRoy Gross, Ted Anderson 2004-5-3 1215 Los Angeles Road started west of Mt. Lukens, down (Southeast) to a little west of Earl Canyon Road. (Angeles National Forest Road surveys. Roads, 2N76.1 & 2N76.2) 1380 Comment
  RSA802049  Schismus arabicus Orlando Mistretta, Kristie Haydu 2011-7-20 5958 Los Angeles Grizzly Flat Road, N of Angeles Crest Hwy, 0.4 air miles W of Hoyt Mountain. 1168 Comment
  SFV21108  Schismus arabicus L. Gross, T. Anderson 2004-5-3 1215 Los Angeles San Gabriel Mountains Road started west of Mt. Lukens, down (southeast) to a little west of Earl Canyon Road. Angeles National Forest Road surveys. Roads 2N76.1 & 2N76.2. 1380 Comment
  RSA699883  Scrophularia californica subsp. floribunda LeRoy Gross, Ted Anderson 2004-5-3 1217 Los Angeles Road started west of Mt. Lukens, down (Southeast) to a little west of Earl Canyon Road. (Angeles National Forest Road surveys. Roads, 2N76.1 and 2N76.2) 1245 Comment
  UCR95263  Scutellaria tuberosa L. C. Wheeler 1967-5-7 9283 Los Angeles San Gabriel Mtns, vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon, north side of Sunset Ridge, northeast of reservoir 625 Comment
  UCR132309  Searsia pendulina John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  CAS-BOT-BC62030  Selaginella bigelovii Le Roy Abrams 1900-3-1 219 Los Angeles Millardo Canyon Comment
  CAS-BOT-BC62038  Selaginella bigelovii John H. Thomas 1957-5-11 6754 Los Angeles San Gabriel Mountains, about 3 miles north of La Canada near Angeles Crest Highway 762 Comment
  UC188960  Selaginella bigelovii Geo. L. Moxley 1915-7-23 421 Los Angeles near Switzer's Arroyo Seco Canyon; San Gabriel Mts. 914 Comment
  UC1075543  Selago serrata Bonnie C. Templeton 1956-7-12 7679 Los Angeles Dr. S. Ayers garden, La Canada, California Comment
  RSA529897  Senecio flaccidus var. douglasii Timothy S. Ross 1991-8-16 5800 Los Angeles Woodwardia canyon, San Gabriel Mtns (N of Pasadena) 819 Comment
  RSA529898  Senecio flaccidus var. douglasii Timothy S. Ross 1991-8-16 5806 Los Angeles San Gabriel Mountains: Clear Creek Canyon, roadcut along Angeles Forest Hwy. 1085 Comment
  UC1586207  Senecio flaccidus var. douglasii Tim Ross 1991-8-16 5800 Los Angeles n Pasadena (Woodwardia Canyon); Condor Peak Quad., San Gabriel Mountains, Woodwardia Canyon 818 Comment
  UC750623  Senecio flaccidus var. douglasii Lewis S. Rose 1946-12-21 46299 a Los Angeles 3 mi ne La Canada (Angeles Crest Highway) 609 Comment
  UCR132302  Senecio flaccidus var. douglasii John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, just east of Jet Prop. Lab., transect zero below diversion dam 366 Comment
  UCSB27642  Senecio flaccidus var. douglasii Lavinger, S. 1975-10-6 Los Angeles Angeles Crest Highway .3 miles north of Angeles Crest Ranger Station; San Gabriel Mountains 762 Comment
  RSA565746  Senecio mikanioides Mike Hammitt, Jason Rick 1991-6-25 s.n. Los Angeles Arroyo Seco Canyon; just above the debris dam and below Oakwilde Picnic Are along Gabrielino Trail Comment
  RSA605907  Senecio mikanioides L. C. Wheeler 1968-12-15 s.n. Los Angeles San Gabriel Mountains: Millard Canyon at about the National Forest Boundary 1509 Comment
  RSA613025  Senecio mikanioides L. C. Wheeler 1974-12-29 s.n. Los Angeles San Gabriel Mountains: Bottom of Millard Canyon, on both sides of Angeles National Forest Boundary. Comment
  UCR108457  Senecio mikanioides L. C. Wheeler 1974-12-29 s.n. Los Angeles San Gabriel Mtns., Bottom of Millard Canyon, on both sides of Angeles National Forest boundary. E side of canyon Comment
  UCR132349  Senecio mikanioides John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  SFV15329  Senecio vulgaris J. C. Dittes, D. Stolp 1990-3-10 43 Los Angeles San Gabriel Mountains Small, roadside gully off of Big Tujunga Canyon Road, 3.5 miles east of Angeles Forest Highway turnoff. Gully leads to reservoir. 762 Comment
  CDA27819  Senna artemisioides T. C. Fuller, T. Suzuki 1959-3-19 2092 Los Angeles Northwest corner of Foothill Boulevard & Hillard Avenue, La Canada. 0 Comment
  RSA601710  Setaria viridis L. C. Wheeler 1967-10-23 s.n. Los Angeles San Gabriel Mountains: Angeles Crest Highway at North Fork Dark Canyon. 891 Comment
  UCD170105  Silene armeria A. C. Sanders; D. Malueg 1998-6-22 21986 -A Los Angeles San Gabriel Mtns., foothills along Hwy 2 at La Canada, at turnoff to SCE Gould substation, Gould Canyon watershed. 610 Comment
  UCR181664  Silene armeria A. C. Sanders, D. Malueg 1998-6-22 21986 A Los Angeles San Gabriel Mtns., foothills along Hwy 2 at La Canada, at turnoff to SCE Gould substation, Gould Canyon watershed 610 Comment
  CAS-BOT-BC174913  Silene laciniata Geo. L. Moxley 1927-5-1 s.n. Los Angeles La Crescenta Comment
  UCR132347  Silene laciniata John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  SFV20782  Silene laciniata subsp. laciniata J. N. Hogue 2007-6-7 292 .1 Los Angeles San Gabriel Mountains Arroyo Seco behind JPL. 350 Comment
  RSA802432  Silene verecunda subsp. platyota Orlando Mistretta, Cher Batchelor 2011-7-27 5990 Los Angeles Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31. 975 Comment
  CHSC95808  Sisymbrium altissimum LeRoy Gross; Ted Anderson 2004-5-3 1218 Los Angeles Transverse Ranges; San Gabriel Mountains region: Road started west of Mt. Lukens, down (Southeast) to a little west of Earl Canyon Road. (Angeles National Forest Road surveys. Roads, 2N76.1 and 2N76.2). 1333 Comment
  RSA699880  Sisymbrium altissimum LeRoy Gross, Ted Anderson 2004-5-3 1218 Los Angeles Road started west of Mt. Lukens, down (Southeast) to a little west of Earl Canyon Road. (Angeles National Forest Road surveys. Roads, 2N76.1 & 2N76.2) 1333 Comment
  SFV21424  Sisymbrium altissimum L. Gross, T. Anderson 2004-5-3 1218 Los Angeles San Gabriel Mountains Road started west of Mount Lukens, down (southeast) to a little west of Earl Canyon Road (USFS Roads 2N76.1 & 2N76.2) 1333 Comment
  UC1870173  Sisymbrium altissimum LeRoy Gross, Ted Anderson 2004-5-3 1218 Los Angeles Transverse Ranges; San Gabriel Mountains region: Road started west of Mt. Lukens, down (Southeast) to a little west of Earl Canyon Road. (Angeles National Forest Road surveys. Roads, 2N76.1 & 2N76.2) 1333 Comment
  RSA431750  Sisymbrium officinale Anstruther Davidson 1891-5-30 s.n. Los Angeles Millards Canyon Comment
  RSA747751  Sisymbrium officinale Scott D. White, J. Wood, J. Miner 2009-5-12 12700 Los Angeles Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCR132947  Sisymbrium officinale Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  UCR136840  Sisymbrium officinale John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCSB2438  Sisymbrium officinale Kamb, Peter 1947-5-25 Los Angeles Millard's Canyon near Sunset Ridge guard station, San Gabriel Mts. 670 Comment
  CAS-BOT-BC75411  Sisymbrium orientale J. H. Thomas 1957-5-11 6744 Los Angeles About 2 miles northeast of La Canada, near Angeles Crest Highway. 609 Comment
  UCR136846  Sisymbrium orientale John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  CAS-BOT-BC167076  Solanum douglasii Wayne Law; Jun Hu 2000-4-30 04 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground 823 Comment
  RSA652023  Solanum douglasii Vance Langford 1948-3-29 s.n. Los Angeles On west slope of Fern canyon off Arroyo Seco, above Devil's gate dam in Altadena Comment
  RSA660308  Solanum douglasii Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 44 Los Angeles 4.9 miles past the Pasadena city limits, a pull off on the left side of road as one is going up mountain. Comment
  SD234534  Solanum douglasii Wayne Law, Jun Hu 2000-4-30 4 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 518 Comment
  UC1125207  Solanum douglasii F. H. Raymond 1930-3-3 52 Los Angeles San Rafael Hills; Angeles National Forest, San Rafael Hills 335 Comment
  UCD126023  Solanum douglasii Natalie deGarder 1992-5-30 22 Los Angeles Altadena, 1.5 mi. from Highway 210 up Lincoln Rd to top of Rising Hill Road. 518 Comment
  UCD67371  Solanum douglasii Natalie deGarder 1992-5-30 22 Los Angeles Altadena, 1.5 mi. from Highway 210 up Lincoln Rd to top of Rising Hill Road. 518 Comment
  UCR172776  Solanum douglasii Wayne Law, Jun Hu 2000-4-30 04 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  CHSC3678  Solanum physalifolium var. nitidibaccatum Mary MacArthur 1966-5-26 31 Los Angeles Switzers camp. San Gal. Mts. 914 Comment
  JEPS96898  Solanum umbelliferum Dean W. Taylor 1992-5-1 12495 Los Angeles 1 mile East of Gorges Gap on Angeles Crest Highway (Highway 2) 1219 Comment
  RSA427415  Solanum umbelliferum Albert J. Perkins 1913-3-23 s.n. Los Angeles La Canada Comment
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Aug 6 2013
  RSA581014  Solanum umbelliferum Jamie Kneitel 1995-4-9 17 Los Angeles San Gabriel Mountains, 4.7 miles north of ranger station on Angeles Crest Highway. 915 Comment
  CHSC3672  Solanum xanti Mary MacArthur 1966-5-26 36 Los Angeles Switzers Camp-San Gab. Mts. 914 Comment
  SBBG70638  Solanum xanti M. N. Ackley 1927-6-5 977 Los Angeles old trail to Switzerland 457 Comment
  UCR104744  Solanum xanti David Charlton 1989-4-30 2996 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp. 1159 Comment
  UCR4197  Solanum xanti R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon 426 Comment
  UCR177455  Solidago occidentalis LeRoy Gross, John Gross, Johnny Gross, Matthew Gross 2005-11-11 2441 Los Angeles San Gabriel Mountains, Big Tujunga Canyon across from the mouth of Vasquez Creek 610 Comment
  CAS-BOT-BC365025  Solidago velutina subsp. californica F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San Gabriel Mts. 914 Comment
  CAS-BOT-BC365031  Solidago velutina subsp. californica Fordyce Grinnell 1903-12-22 24 Los Angeles Arroyo Seco Canon [Canyon], near Pasadena Comment
  CAS-BOT-BC365036  Solidago velutina subsp. californica Fordyce Grinnell 1915-9-4 s.n. Los Angeles Upper Arroyo Seco Canon [Canyon], San Gabriel Mts. Comment
  JEPS32448  Solidago velutina subsp. californica F. W. Peirson 1918-11-1 230 a Los Angeles Arroyo Seco , Arroyo Seco (San Gabriel Mts.) 1295 Comment
  RSA0104908  Solidago velutina subsp. californica R. G. Swinney 2011-10-18 15838 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  UCR273302  Solidago velutina subsp. californica R. G. Swinney 2011-10-18 15838 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  RSA600754  Sonchus oleraceus L. C. Wheeler 1967-6-16 9848 Los Angeles San Gabriel Mountains : Sunset Ridge by Millard Canyon; N of Coulter Reservoir. 640 Comment
  RSA738076  Sorghum halepense Kitty Brauer 1966-07 s.n. Los Angeles La Crescenta Comment
  CAS-BOT-BC167079  Spartium junceum Jun Hu; Weena Sangkatavat 2000-4-22 07 Los Angeles Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  CDA35050  Spartium junceum Scott D. White, J. Wood & J. Miner 2009-5-12 12696 Los Angeles San Gabriel Mountains; Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. Comment
  CDA4255  Spartium junceum T. C. Fuller, T. Suzuki 1959-3-19 2089 Los Angeles North side Foothill Boulevard, in Arroyo, east of Hillard Avenue, La Canada. 0 Comment
  CDA4265  Spartium junceum T. C. Fuller 1958-8-8 3482 Los Angeles Foothill Boulevard & Hillard Avenue, La Canada. 0 Comment
  RSA0106495  Spartium junceum R. G. Swinney 2011-10-18 15831 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA603403  Spartium junceum L. C. Wheeler 1975-8-22 s.n. Los Angeles San Gabriel Mountains: North side Sunset Ridge by Millard Canyon, by power line. Comment
  RSA660199  Spartium junceum Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 47 Los Angeles 2.7 miles from La Canada city limits (sign) pull off on left side of road as one is going up mountain. Comment
  RSA702439  Spartium junceum Scott D. White 2004-7-28 10654 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  RSA747736  Spartium junceum Scott D. White, J. Wood, J. Miner 2009-5-12 12696 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  SFV16674  Spartium junceum P. Wilson, J. M. Albert 1996-6-12 3430 Los Angeles San Gabriel Mountains Off Highway 2 and mile marker 29.13. 823 Comment
  SFV21905  Spartium junceum J. N. Hogue 2011-5-12 s. n. Los Angeles San Gabriel Mountains Roadside of Big Tujunga Canyon Road. 975 Comment
  UCR146504  Spartium junceum Scott D. White 2004-7-28 10654 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  UCR172710  Spartium junceum Jun Hu, Weena Sangkatavat 2000-4-22 07 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  UCR172780  Spartium junceum Wayne Law, Jun Hu 2000-4-30 01 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  UCR213789  Spartium junceum Scott D. White, Justin M. Wood, Jamie Miner 2009-5-12 12696 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  UCR273285  Spartium junceum R. G. Swinney 2011-10-18 15831 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  RSA65491  Spergula arvensis F. W. Peirson 1869 Los Angeles Devil's Gate, Arroyo Seco Comment
  RSA0098137  Spergularia rubra Orlando Mistretta, Christine Mistretta 2011-7-13 5934 Los Angeles Big Tujunga Cyn. Along Angeles Forest Hwy, 1.0 miles W of junction With Big Tujunga Cyn Road. 793 Comment
  RSA82554  Stachys albens F. W. Peirson 1927-8-14 7840 Los Angeles Arroyo Seco south base of San Gabriel Mts. 549 Comment
  UCR132946  Stachys albens Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  UCR136832  Stachys albens John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR136828  Stellaria media John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR238469  Stellaria media Orlando Mistretta, Christine Mistretta 2008-5-5 2652 Los Angeles Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon 628 Comment
  CAS-BOT-BC375135  Stephanomeria cichoriacea Wesley O. Griesel 1961-9-23 s.n. Los Angeles Switzers Camp, San Gabriel Mts. 762 Comment
  CAS-BOT-BC375136  Stephanomeria cichoriacea unspecified 1911-9-4 s.n. Los Angeles San Gabriel Mtns., Switzers Trail Comment
  CAS-BOT-BC375138  Stephanomeria cichoriacea Fordyce Grinnell, Jr. 1903-12-22 42 Los Angeles Arroyo Seco canon [Canyon], near Pasadena Comment
  CAS-BOT-BC375143  Stephanomeria cichoriacea F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canon [Canyon], near Pasadena, San Gabriel Mts. Comment
  POM21343  Stephanomeria cichoriacea Fordyce Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena; San Gabriel Mts. Comment
  UC1586206  Stephanomeria cichoriacea Tim Ross 1991-8-16 5805 Los Angeles Clear Creek Canyon, roadcut along Angeles Forest Hwy San Gabriel Mountains, Condor Peak USGS 7.5' Quad. 1085 Comment
  UCR85817  Stephanomeria cichoriacea T. S. Ross 1991-8-16 5805 Los Angeles San Gabriel Mtns., Clear Creek Canyon, roadcut along Angeles Forest Hwy 1085 Comment
  UCSB33663  Stephanomeria cichoriacea Griesel, Wesley 1961-9-23 Los Angeles Switzers Camp, San Gabriel Mts. 762 Comment
  SEINET218746  Stephanomeria pauciflora A. J. Breitung 1953-6-7 15412 Los Angeles Paradise Canyon. Comment
  RSA0011378  Stephanomeria virgata Orlando Mistretta, Christine Mistretta 2011-7-13 5948 Los Angeles Big Tujunga Canyon, near head of Maple Cyn, S of Angeles Forest Hwy, 1.9 miles W of jct. of Angeles Forest Hwy and Angeles Crest Hwy. 942 Comment
  UCR132355  Stephanomeria virgata John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  UCR273290  Stephanomeria virgata R. G. Swinney 2011-10-18 15839 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  OBI2591  Stipa coronata Larry E. Brown 1970-5-2 1796 Los Angeles Along State Rte 2, ca 5 mi from La Canada Comment
  UCR100770  Stipa lepida L. C. Wheeler 1967-6-16 9843 Los Angeles San Gabriel Mtns., Sunset Ridge by Millard Canyon, north side (NE) of Coulter Reservoir 640 Comment
  SBBG63201  Stylocline gnaphaloides M. N. Ackley -Mar-1929 Los Angeles Montrose 365 Comment
  RSA42880  Symphoricarpos mollis Anstruther Davidson 1889-5-30 s.n. Los Angeles Millard's Canyon, pasadena Comment
  RSA428880  Symphoricarpos mollis Anstruther Davidson 1891-5-30 s.n. Los Angeles Millards Canyon Comment
  RSA428883  Symphoricarpos mollis L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
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Jan 1 2017
  CAS-BOT-BC97959  Symphyotrichum greatae Fordyce Grinnell 1915-9-4 s.n. Los Angeles Upper Arroyo Seco [Canon] Canyon, San Gabriel Mts. Comment
  CAS-BOT-BC97961  Symphyotrichum greatae F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San Gabriel Mts. 914 Comment
  CAS-BOT-BC97962  Symphyotrichum greatae Peter H. Raven; W. O. Griesel 1961-10-13 16842 Los Angeles Upper Arroyo Seco, about 200 yards above [Switzers] Switzer Camp 762 Comment
  CAS-BOT-BC97963  Symphyotrichum greatae Geo. B. Grant 1904-6-17 6290 Los Angeles Arroyo Seco Canyon Comment
  CAS-BOT-BC97965  Symphyotrichum greatae F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro [Canon] Canyon, near Pasadena, San Gabriel Mountains Comment
  CAS-BOT-BC97970  Symphyotrichum greatae A. J. McC. 1892-9-14 102 Los Angeles Pasadena Comment
  CAS-BOT-BC97975  Symphyotrichum greatae F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San Gabriel Mts. 914 Comment
  HSC30001  Symphyotrichum greatae P. H. Raven, Wesley O. Griesel 1970-10-13 16842 Los Angeles Upper Arroyo Seco, about 200 yards above Switzers Camp 762 Comment
  OBI16996  Symphyotrichum greatae Wesley O. Griesel 1961-9-2 s.n. Los Angeles Switzer's Camp, Arroyo Seco, San Gabriel Mtns 762 Comment
  RSA702441  Symphyotrichum greatae Scott D. White 2004-7-28 10650 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  SBBG119065  Symphyotrichum greatae S. D. White 2004-7-28 10650 Los Angeles "The Pines" picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jct with Angeles Crest Hwy; T2N R12W S8 976 Comment
  SEINET3854195 Image available Symphyotrichum greatae Peter H. Raven, W. O. Griesel 1961-10-13 16842 Los Angeles Upper Arroyo Seco, about 200 yards above Switzers Camp 762 Comment
  UCD136506  Symphyotrichum greatae Peter H. Raven; W. O. Griesel 1961-10-13 16842 Los Angeles Upper Arroyo Seco, about 200 yards above Switzers Camp. 762 Comment
  UCSB33690  Tamarix gallica Filice, Diane 1965-5-8 Los Angeles Angeles Crest, 6 miles from La Canada, San Gabriel Mountains 762 Comment
  UCR197081  Tanacetum parthenium LeRoy Gross, Sarah M. Siedschlag 2007-6-4 2777 Los Angeles Transverse Ranges; San Gabriel Mountains, southern side of mountains, along Mount Lukens Road (2N76.2). Road survey for the National Forest 771 Comment
  RSA455559  Tauschia arguta L. E. Hoffman 1932-3-14 s.n. Los Angeles Millard's Canyon, Angeles National Forest [San Gabriel Mountains]. Comment
  RSA455561  Tauschia arguta L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
  RSA455562  Tauschia arguta Anstruther Davidson 1890-09 s.n. Los Angeles Millards Canon, Pasadena. Comment
  CAS-BOT-BC399744  Thalictrum polycarpum A. J. Mc. 1892-9-14 s.n. Riverside Millard's Canon [Canyon] Comment
  LA209787  Thelypteris puberula var. sonorensis Lawrence L. Kiefer; 1967-4-2 3171 Los Angeles San Gabriel Mountains, N of Altadena, Fern Canyon, tributary of Arroyo Seco, ca 1/4 mi from confluence 426 Comment
  RSA762409  Thinopyrum intermedium Orlando Mistretta, Christine Mistretta 2008-5-9 3013 Los Angeles Southern California Edison transmission line corridor (Segment 11, structure 63) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 844 Comment
  JEPS54161  Thysanocarpus curvipes Frank W. Peirson 1919-3-27 388 Los Angeles hills w Arroyo Seco; San Gabriel Mountains, hills w of Arroyo Seco 426 Comment
  RSA747748  Thysanocarpus curvipes Scott D. White, J. Wood, J. Miner 2009-5-12 12704 Los Angeles Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  JEPS54208  Thysanocarpus laciniatus Frank W. Peirson 1918-5-19 59 Los Angeles Millards Canyon; San Gabriel Mts., Millards Canyon 609 Comment
  RSA66788  Thysanocarpus laciniatus F. W. Peirson 1918-5-19 59 Los Angeles Millard's Canyon, south base of San Gabriel Mts. Comment
  RSA386596  Toxicodendron diversilobum James B. McNair 1934-5-13 s.n. Los Angeles Big Tujunga Canyon Comment
  SEINET200095  Toxicodendron diversilobum Peter B. Young 1959-4-1 27 Los Angeles Small dry canyon 1/2 mile from road; near large horseshoe turn, 3 miles from Foothill Boulv. On Angeles Crest Highway. Comment
  UCD117071  Toxicodendron diversilobum Peter B. Young 1959-4-1 27 Los Angeles 1/2 mile from road; near large horseshoe turn, 3 miles from Foothill Boulevard on Angeles Crest Highway. Comment
  RSA607959  Tribulus terrestris Louis C. Wheeler 1950-9-23 6791 Los Angeles San Gabriel Mountains: Vogel Flat. Big Tujunga Canyon. 561 Comment
  RSA802045  Tribulus terrestris Orlando Mistretta, Kristie Haydu 2011-7-20 5963 Los Angeles Arroyo Seco Canyon area. Angeles Crest Hwy near junction with Grizzly Flat Road. 902 Comment
  RSA447099  Trichostema lanatum Fordyce Grinnell Jr. 1910-06 s.n. Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  SFV3255  Trichostema lanatum K. A. Wilson 1962-5-26 1294 Los Angeles San Gabriel Mountains Big Tujunga Canyon Road, 4 miles west of Mill Creek Road. 945 Comment
  SFV16224  Trifolium hirtum P. A. Krueger 1994-5-18 46 Los Angeles San Gabriel Mountains 1.9 miles north on Mount Lowe Truck Trail from Chaney Trail. 950 Comment
  RSA0107699  Trifolium obtusiflorum R. G. Swinney 2011-10-18 15846 Los Angeles San Gabriel Mountains: 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2. 1021 Comment
  UCR273162  Trifolium obtusiflorum R. G. Swinney 2011-10-18 15846 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021