34.16790 34.26790 -118.20208 -118.10208 UC/JEPS: Consortium Search Results
Search Results — 2392 specimen records retrieved (2392 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78037  Abies concolor Herman Knoche 1919-6-14 Series A, No. 846 Los Angeles Mt. Lowe 1828 Comment
  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-BC331560  Acer macrophyllum Joseph Andorfer Ewan 1932-7-4 7582 Los Angeles Millards Canyon above the falls, San Gabriel Mts. 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
  HSC12514  Acer macrophyllum Wendell Wood 1970-6-17 9 Los Angeles Chevy Chase and Linda Vista Rd., Glendale 366 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
  JEPS42646  Acer macrophyllum C. E. Hutchinson 1892-8-10 Los Angeles Altadena 243 Comment
  POM183629  Acer macrophyllum Joseph A. Ewan 1929-5-18 1254 Los Angeles Las Flores Canyon 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
  RSA650008  Acer macrophyllum G. Foster 1961-1 s.n. Los Angeles Angeles Crest Highway, 200 yds from Rd. 1 mile north of ranger station. 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
  RSA606909  Acer palmatum Louis C. Wheeler 1973-6-20 s.n. Los Angeles Altadena. 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
  UCD50274  Achnatherum coronatum Joseph Andorfer Ewan 1932-7-4 7591 Los Angeles Upper Millards Canyon. San Gabriel Mts. Los Angeles County. Upper Sonoran Zone. 1188 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
  POM365957  Achnatherum hymenoides H. M. Ritter 1931-4-15 38 -131 Los Angeles Alta Dena Comment
  CAS-BOT-BC213407  Acmispon argophyllus var. argophyllus Geo. B. Grant 1901-5-23 s.n. Los Angeles Mt. Lowe Comment
  CHSC36033  Acmispon heermannii R. Vandenburgh 1972-6-28 15 Los Angeles 1/2 mi. W. of Mt. Wilson in San Gabriel Mts/ on Los Angeles Crest Hwy. Comment
  A345399  Adenostoma fasciculatum J. G. Jack 1907-7-13 Unknown Pasadena, Las Casetas Canon Comment
  CAS-BOT-BC133185  Adenostoma fasciculatum W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. Comment
  CDA25689  Adenostoma fasciculatum T. C. Fuller, T. Suzuki 1958-5-9 s.n. Los Angeles Millard Canyon, Cheney Trail above Altadena. 0 Comment
  HSC12512  Adenostoma fasciculatum Wendell Wood 1970-6-17 7 Los Angeles Linda Vista Rd. and Chevy Chase, Glendale 366 Comment
  RSA390572  Adenostoma fasciculatum Howard Mullins 1931-4-19 s.n. Los Angeles Hillside chaparral, Flintridge 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
  UC72959  Adenostoma fasciculatum unknown May 1902 Los Angeles foothills near Los Angeles and Pasadena Comment
  UC72960  Adenostoma fasciculatum Miss E. D. Palmer 1904-11-12 Los Angeles vicinity Los Angeles (Rubio Canyon); Rubio Canyon 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
  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
  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
  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
  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
  RSA608330  Alisma triviale L. C. Wheeler 1951-8-20 6836 Los Angeles Pasadena: Devils Gate Dam. Comment
  UCR101246  Alisma triviale L. C. Wheeler 1951-8-20 6836 Los Angeles Pasadena: Devils Gate Dam 305 Comment
  JEPS520  Allium monticola F. W. Peirson 1918-6-10 1 Los Angeles divide between Lowe and Markham 1630 Comment
Read comments
Oct 16 2006
  POM83381  Allium monticola Geo L. Moxley 1925-5-28 1130 Los Angeles Granite rock slides between Mt. Lowe and Mt. Markham Comment
  RSA595180  Allium monticola L. C. Wheeler 1970-5-24 s.n. Los Angeles San Gabriel Mountains: Saddle between Mt. Markham and Mt. Lowe. 1615 Comment
  RSA679920  Allium monticola LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 929 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1). 1631 Comment
  RSA70172  Allium monticola F. W. Peirson 1920-6-10 1 Los Angeles San Gabriel Mountains, trail along west slope of Mt. Markham 1646 Comment
  UCR95749  Allium monticola L. C. Wheeler 1970-5-24 s.n. Los Angeles San Gabriel Mtns., Saddle between Mt. Markham and Mt. Lowe. 1616 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
  RSA410053  Allophyllum divaricatum Albert J. Perkins 1920-5-29 s.n. Los Angeles Arroyo Seco. Comment
  RSA682116  Allophyllum divaricatum Valerie L. Soza, Bill Hogshead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 Comment
Read comments
Jul 21 2016
  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
  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
  CAS-BOT-BC171445  Alnus rhombifolia W. R. Dudley 1899-7-22 s.n. Los Angeles Alpine Tavern, Mt. Lowe Comment
  JEPS58604  Alnus rhombifolia C. E. Hutchinson 1892-8-10 Los Angeles in small canyon near Altadena 243 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
  RSA607674  Ammannia robusta Louis C. Wheeler 1951-8-20 6834 Los Angeles Pasadena: Devils Gate Dam. Comment
  OBI13395  Amorpha californica Wesley O. Griesel 1962-5-24 s.n. Los Angeles San Rafael HIlls, Glendale 305 Comment
  SEINET895797 Image available Amorpha californica George B. Grant 1901-1 39 Unknown Pasedena. Southern California Comment
Read comments
Jan 5 2015
  CAS-BOT-BC180650  Amorpha californica var. californica Wesley O. Griesel 1962-5-24 s.n. Los Angeles San Rafael Hills, Glendale 304 Comment
  RSA80007  Amsinckia eastwoodiae F. W. Peirson 1919-3-26 333 Los Angeles vacant lot on south side of New York Drive, east of Hill Ave., Altadena. Comment
  SEINET3293460 Image available Amsinckia menziesii G. B. Grant 40 A Unknown Pasadena, Pasadena, Southern CA. Comment
Read comments
Jan 11 2015
  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
  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
  RSA644563  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1956-11 7271 Los Angeles San Gabriel Mountains: Upper Arroyo Seco near Ladybug Canyon, on north side Angeles Crest Highway. Comment
  RSA86715  Andropogon glomeratus var. scabriglumis F. W. Peirson 1926-3-20 6517 Los Angeles Arroyo Seco, near Altadena. Alt. 2500 ft. 762 Comment
  SD181779  Andropogon glomeratus var. scabriglumis Louis C. Wheeler Nov 1956 7271 Los Angeles San Gabriel Mountains, upper Arroyo Seco near Ladybug Canyon, on north side [of] Angeles Crest Highway, on seasonal seep, the rock declivity was cut by the highway builders. 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
  UCR146871  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1956-1 7271 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mountains: Upper Arroyo Seco near Ladybug Canyon, on north side Angeles Crest Highway Comment
  UCR231793  Anemopsis californica Darren T. Hasegawa 2007-6-1 s.n. Los Angeles San Gabriel Mtns, Pasadena, c. 1 mile north of Rose Bowl 305 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
  UCR231789  Anthemis cotula Darren T. Hasegawa 2007-6-1 s.n. Los Angeles San Gabriel Mtns., Pasadena, Devils Gate Reservoir, c. 0.5 mi. east of 210 Fwy 320 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
  JEPS5280  Antirrhinum kelloggii F. W. Peirson 1918-6-4 189 Los Angeles just ne Altadena (foothills e of Rubio Canyon); Angeles National Forest 609 Comment
  JEPS83291  Antirrhinum multiflorum David M. Thompson 1983-8-1 382 Los Angeles vicinity Red Box Gap and Red Box Gap Ranger Station (about 0.1 mi w on Hwy 2 (Angeles Crest Hwy) from its junction with road to Mt. Wilson Observatory, Chilao Flat Quad. (7.5', 1959)); Angeles National Forest, San Gabriel Mts. 1432 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
  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
  RSA80433  Antirrhinum multiflorum F. W. Peirson 1951-1 190 Los Angeles Summit of Mt. Lowe Comment
  RSA80434  Antirrhinum multiflorum F. W. Peirson 1924-5-26 4643 Los Angeles Trail to Switzers Camp, San Gabriel Mts 930 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
  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
  RSA277203  Arbutus unedo J. L. Huber 1969-6-16 1045 Los Angeles Residential, abandoned planting, Altadena. Comment
  CAS-BOT-BC23588  Arctostaphylos crustacea June Giddings no date on label s.n. Los Angeles Mount Lowe, Pasadena High School Comment
  CHSC3737  Arctostaphylos glandulosa Sue Boerqadine 1966-5-26 Los Angeles Switzer's Camp. 762 Comment
  GH350295  Arctostaphylos glandulosa J. F. Collins 1929-5-1 Unknown Mt. Lowe Comment
  RSA626710  Arctostaphylos glandulosa Raymond J. Dobbs 1924-4-30 934 Los Angeles 1/2 mile below Switzers. Comment
  CAS-BOT-BC23201  Arctostaphylos glandulosa subsp. glandulosa W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. 365 Comment
  CAS-BOT-BC23202  Arctostaphylos glandulosa subsp. glandulosa Vernon O. Bailey 1907-9-25 1287 Los Angeles Mt. Lowe, San Gabriel Mts. Comment
  CAS-BOT-BC23240  Arctostaphylos glandulosa subsp. glandulosa G. B. Grant 1901-5-23 s.n. Los Angeles Mt. Lowe Comment
  JEPS38673  Arctostaphylos glandulosa subsp. glandulosa F. W. Peirson 1918-5-19 142 Los Angeles 2 mi n Altadena; San Gabriel Mts., Echo Mountain 1036 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-BC23061  Arctostaphylos glandulosa subsp. mollis Mrs. Joseph Clemens 1922-5-30 s.n. Los Angeles Mt. Love Comment
  CAS-BOT-BC23062  Arctostaphylos glandulosa subsp. mollis Mrs. Joseph Clemens 1922-5-30 s.n. Los Angeles Mt. Love 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
  POM367283  Arctostaphylos glandulosa subsp. mollis Ella M. Kennedy 1923-3-12 s.n. Los Angeles Arroyo Seco Comment
  RSA182015  Arctostaphylos glandulosa subsp. mollis F. W. Peirson 1918-5-19 142 Los Angeles Echo Mountain;, 2 mi. n of Altadena 1037 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
  RSA706430  Arctostaphylos glandulosa subsp. mollis Tim Thibault, K. E. Olshewsky 2004-5-22 278 Los Angeles fire road off Hwy. 2 910 Comment
  RSA70850  Arctostaphylos glandulosa subsp. mollis F. W. Peirson 1920-5-9 142 Los Angeles east trail to Mt. Lowe 1341 Comment
  RSA70854  Arctostaphylos glandulosa subsp. mollis F. W. Peirson 1922-5-30 4724 Los Angeles West spur of Mt. Lowe. 1280 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
  GH350349  Arctostaphylos glauca Mrs. T. C. Pease 1910-5-10 Unknown Mt. Lowe Comment
  JEPS38733  Arctostaphylos glauca F. W. Peirson 1919-1-29 315 Los Angeles trail San Gabriel Mts., Mt. Lowe 1341 Comment
  JEPS49532  Arctostaphylos glauca Joseph Andorfer Ewan 1932-7-4 7588 Los Angeles Upper Millards Canyon San Gabriel Mts. 1097 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
  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
  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
  RSA70872  Arctostaphylos glauca F. W. Peirson 1919-1-29 315 Los Angeles Inspiration Point, Mt. Lowe 1372 Comment
  RSA70873  Arctostaphylos glauca Mabel Peirson 1925-2-14 5433 Los Angeles Arroyo Seco, not far above the stadium, Pasadena Comment
  SJSU3880  Arctostaphylos glauca C. W. Sharsmith 1964-1-1 7178 Los Angeles W fork San Gabriel R (near head), San Gabriel Mts 1219 Comment
  UC456161  Arctostaphylos glauca I. J. Condit 1907-1-3 Los Angeles Mt. Lowe Pasadena 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
  A362353  Arctostaphylos tomentosa J. G. Jack 1907-7-15 Unknown Mt. Lowe Comment
  GH362395  Arctostaphylos viscida J. F. Collins 1918-4-16 Unknown above Alpine Tavern, Mt. Lowe 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
  CHSC3665  Argemone munita Mary Mae Arthur 1966-6-4 48 Los Angeles San Gabriel Mts.- past Wilson turnoff on Angeles Crest Hy. Sandy turn out of road. 1219 Comment
  LA9333  Aristida divaricata F. M. Reed; 1905-4-2 3623 Los Angeles Altadena Comment
  SEINET3127927  Aristida divaricata G. B. Grant 1905-4-2 66 -6459 Los Angeles Altadena Comment
  UCR2169  Aristida purpurea var. parishii George B. Grant 1905-4-2 66- 6459 Los Angeles San Gabriel Mtns. Foothills, Altadena 732 Comment
  CAS-BOT-BC146298  Aristida ternipes var. gentilis George B. Grant 1905-4-2 66 -6459 Los Angeles Altadena. Comment
  CAS-BOT-BC146299  Aristida ternipes var. gentilis George B. Grant 1904-3-1 66 Los Angeles Altadena. Comment
  CAS-BOT-BC146300  Aristida ternipes var. gentilis G. B. Grant 1901-3-9 941 Los Angeles Altadena. Comment
  CAS-BOT-BC146302  Aristida ternipes var. gentilis Geo. B. Grant 1905-4-2 66 -6459 Los Angeles Altadena. Comment
  RSA385027  Aristida ternipes var. gentilis George B. Grant 1905-4-2 s.n. Los Angeles Altadena Comment
  RSA86724  Aristida ternipes var. hamulosa F. W. Peirson 1919-11-17 1590 Los Angeles in dense tufts, trail to Mt. Lowe, west of Eaton Canyon 609 Comment
  UC167155  Aristida ternipes var. hamulosa Geo. B. Grant 1905-4-2 66 -6459 Los Angeles Altadena 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
  POM305684  Artemisia californica Henry J. Ramsey, Henry J. Ramsey 1937-8-29 982 Los Angeles Altadena. 396 Comment
  RSA656870  Artemisia californica Joseph M. Keefe 2001-1-24 31010 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  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
  CAS-BOT-BC93831  Artemisia dracunculus Geo. B. Grant 1898-1-3 s.n. Los Angeles Altadena Comment
  CAS-BOT-BC93868  Artemisia dracunculus F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 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
  JEPS49874  Asclepias eriocarpa F. W. Peirson 1918-6-28 148 Los Angeles e of Rubio Canyon; San Gabriel Mts. 609 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
  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
  RSA417670  Aster greatae Geo L. Moxley 1914-9-6 274 Los Angeles Little Bear Canyon; San Gabriel Mts. Comment
  RSA417671  Aster greatae Fordyce Grinnell Jr. 1915-9-4 3119 Los Angeles Above Arroyo Seco-West Fork Divide. 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
  RSA415703  Astragalus trichopodus var. phoxus L. E. Hoffman 1926-3-18 s.n. Los Angeles Arroyo Seco, Los Angeles Comment
  SBBG70417  Athysanus pusillus M. N. Ackley 1928-2-12 124 Los Angeles Eaton Wash 365 Comment
  RSA86728  Avena barbata F. W. Peirson 1918-04 1600 Los Angeles Altadena. Comment
  RSA86729  Avena fatua F. W. Peirson 1918-04 1599 Los Angeles At 1085 New York Drive, Altadena 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
  POM306259  Baccharis salicifolia Henry J. Ramsey, Henry J. Ramsey 1938-1-2 1419 Los Angeles North Craig Ave., Altadena. 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
  POM350359  Baccharis salicifolia Howard Mullins 1931-3-7 s.n. Los Angeles one mile above Switzer's landing 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
  JEPS21269  Baccharis salicifolia subsp. salicifolia Frank W. Peirson 1918-10-15 283 Los Angeles foot of trail, Rubio Canyon, San Gabriel Mountains Echo Mtn.; San Gabriel Mountains, Rubio Canyon 548 Comment
  JEPS21270  Baccharis salicifolia subsp. salicifolia F. W. Peirson 1919-3-29 353 Los Angeles San Gabriel Mountains, Rubio Canon 548 Comment
  JEPS40679  Baccharis salicifolia subsp. salicifolia Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  UC1118900  Baccharis salicifolia subsp. salicifolia F. H. Raymond 1930-3-3 55 Los Angeles San Rafael Mountains Pasadena Quadrangle, San Rafael Mountains 243 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-BC400047  Berberis Joseph Andorfer Ewan 1932-7-4 7590 Los Angeles Millards [Millard] Canyon, San Gabriel Mts. 1158 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
  RSA311436  Berberis nevinii Kerry Knudsen 1976-11-22 s.n. Los Angeles Near corner of Arroyo Blvd. and Washington, Pasadena Comment
  RSA435910  Berberis nevinii F. W. Peirson 1921-3-3 s.n. Los Angeles Near stream, Arroyo Seco 335 Comment
  RSA435911  Berberis nevinii Luellapearl Hammer 1929-04 s.n. Los Angeles Sandy slope, Arroyo Seco 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-BC75814  Berberis pinnata F. Grinnell Jr. 1910-6-11 s.n. Los Angeles Switzers Trail. San Gabriel Mountains. 1066 Comment
  CAS-BOT-BC75816  Berberis pinnata Fordyce Grinnell 1916-3-18 s.n. Los Angeles Switzers Camp. San Gabriel Mountains. Comment
  SBBG60901  Bidens pilosa M. N. Ackley 1928-2-12 229 Los Angeles Eaton Wash 365 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
  JEPS5908  Bloomeria crocea Frank Peirson 1918-6-28 6 Los Angeles foothills e. of Rubio Canyon; base s. of San Gabriel Mts. 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
  CAS-BOT-BC15865  Boechera arcuata G. B. Grant 1906-6-10 6679 Los Angeles Mount Lowe. Castle Canyon. 1219 Comment
  CHSC95760  Boechera arcuata LeRoy Gross; Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 932 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1)). Near the saddle between Mt. Markham and Mt. Lowe. 1631 Comment
  RSA482644  Boechera arcuata Robert Gustafson 1973-5-17 s.n. Los Angeles 3 mi southwest of the Mt. Wilson turnoff on Angeles Crest Highway 1585 Comment
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Feb 15 2016
  RSA679923  Boechera arcuata LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 932 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1). 1631 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
  UC111290  Boechera arcuata O. M. Oleson 1907-3-28 Los Angeles near Pasadena; Rubio Canyon Comment
  CAS-BOT-BC16087  Boechera californica George B. Grant 1904-5-5 6197 Los Angeles Arroyo Seco Canyon. Comment
  POM307358  Boechera californica Henry J. Ramsey 1937-3-21 2181 Los Angeles North Craig Ave., Altadena. Comment
  RSA482648  Boechera californica Geo C. Johnstone 1925-4-10 s.n. Los Angeles Mount Lowe Comment
  RSA482650  Boechera californica Frank M. Yocom 1914-5-15 s.n. Los Angeles Rubio Canyon. 731 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
  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
  RSA66080  Brassica rapa F. W. Peirson 1919-1-26 306 Los Angeles Hills east of Rubio Canyon 548 Comment
  RSA66083  Brassica rapa F. W. Peirson 1918-03 s.n. Los Angeles At Altadena. 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
  GH386494  Brickellia californica L. C. Wheeler 1952-10-11 6373 Unknown Chevy Chase Drive, San Rafael Hills west of Pasadena 365 Comment
  GH386495  Brickellia californica L. O. Gaiser 1948-11-23 Unknown Altadena Comment
  GH386496  Brickellia californica L. O. Gaiser 1948-11-24 Unknown Altadena Comment
  GH386497  Brickellia californica L. O. Gaiser 1948-11-19 Unknown Altadena 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
  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
  RSA609526  Brickellia californica L. C. Wheeler 1952-10-11 6373 Los Angeles San Rafael Hills: Chevy Chase Drive. Comment
  UCR108330  Brickellia californica L. C. Wheeler 1952-10-11 6373 Los Angeles San Rafael Hills, Chevy Chase Drive 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
  CAS-BOT-BC106133  Brickellia nevinii Fordyce Grinnell 1915-11-1 s.n. Los Angeles Echo Mt. near Pasadena Comment
  CAS-BOT-BC106148  Brickellia nevinii Fordyce Grinnell 1915-9-5 s.n. Los Angeles Echo Mts. - San Gabriel Mts. Comment
  GH404172  Brickellia nevinii L. C. Wheeler 1952-10-11 6372 Unknown Chevy Chase Drive, San Rafael Hills west of Pasadena 365 Comment
  GH404177  Brickellia nevinii L. C. Wheeler 1952-10-11 6374 Unknown Chevy Chase Drive, San Rafael Hills west of Pasadena 365 Comment
  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
  RSA609525  Brickellia nevinii L. C. Wheeler 1952-10-11 6372 Los Angeles San Rafael Hills: Chevy Chase Drive. Comment
  RSA609527  Brickellia nevinii L. C. Wheeler 1952-10-11 6374 Los Angeles San Rafael Hills: Chevy Chase Drive. Comment
  RSA659836  Brickellia nevinii Orlando Mistretta, Mike Hammitt 1991-6-21 s.n. Los Angeles Fern Canyon. 793 Comment
  UCR108331  Brickellia nevinii L. C. Wheeler 1952-10-11 6372 Los Angeles San Rafael Hills, Chevy Chase Drive Comment
  RSA624639  Bromus arizonicus L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Gould Mesa Picnic Ground. 427 Comment
  UC188874  Bromus arizonicus Geo. B. Grant Apr. 1902 4093 Los Angeles Altadena; Southern California, Altadena 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
  RSA611065  Bromus carinatus var. carinatus L. C. Wheeler 1970-5-4 s.n. Los Angeles 55 E. Pine Street, Altadena. Comment
  UCR108642  Bromus carinatus var. carinatus L. C. Wheeler 1970-5-4 s.n. Los Angeles Altadena, 55 E. Pine Street 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
  CAS-BOT-BC155580  Bromus grandis Geo. B. Grant 1906-6-10 s.n. Los Angeles Mount Lowe. Pasadena. 1524 Comment
  POM364033  Bromus grandis T. M. Bonser 1891-6-30 s.n. Los Angeles [San Gabriel Mountains] Mt. Lowe. 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
  UCR9397  Bromus grandis D. H. Wilken 1965-6-24 294 Los Angeles San Gabriel Mountains, Upper Arroyo Seco near Strawberry Peak 1067 Comment
  SBBG56574  Bromus hordeaceus M. N. Ackley -- 45 Los Angeles Altadena 365 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
Read comments
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
  LA13824  Bromus rubens Carl Epling; May 1925 sn Los Angeles Arroyo Seco Comment
  POM363931  Bromus rubens George R. Johnstone 1925-4-11 s.n. Los Angeles Mt. Lowe 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
  RSA679919  Bromus tectorum LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 928 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1). 1631 Comment
  JEPS5837  Calandrinia breweri Frank W. Peirson 1919-3-27 357 Los Angeles hills w Arroyo Seco; San Gabriel Mountains 426 Comment
  RSA717414  Calandrinia ciliata Gary Kovnat, LeRoy Gross 2003-1-19 2 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace mid meadow. Comment
  CLARK-A1528-3356  Callistemon salignus Carlos D. Jativa 1973-5-15 2753 Los Angeles Pasadena 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
  CHSC26513  Calochortus albus P. Bailey 1971-5-28 56 Los Angeles Millard Canyon, 6 miles N of Pasadena, San Gabriel Mts. 457 Comment
  PASA518  Calochortus albus J. E. Giguette May , '26 Los Angeles Flintridge 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
  RSA68638  Calochortus plummerae Frank W. Peirson 1918-6-12 8 Los Angeles Burnt area in hills east of Rubio Canyon, San Gabriel Mountains. Comment
  JEPS52562  Calyptridium monandrum Frank W. Peirson 1918-6-4 33 Los Angeles Foothills e of Rubio Canyon 609 Comment
  JEPS31648  Calystegia macrostegia subsp. intermedia F. W. Peirson 1918-6-28 151 Los Angeles foothills e Rubio Canyon (San Gabriel Mountains); , fthills e of Rubio Canyon 579 Comment
  RSA394913  Calystegia macrostegia subsp. intermedia Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena Comment
  RSA71099  Calystegia macrostegia subsp. intermedia F. W. Peirson 1920-4-22 151 Los Angeles foothills east of Rubio Canyon 533 Comment
  CHSC70114  Calystegia occidentalis subsp. fulcrata Robert A. Schlising 1971-7-10 2994 Los Angeles 0.8 mi W of Red box Jct to Mt. Wilson, along Angeles Crest Highway (Hwy2). Comment
  POM184691  Calystegia occidentalis subsp. fulcrata Joseph A. Ewan 1932-6-17 7351 Los Angeles Long canyon of Arroyo Seco 1098 Comment
  UC1178601  Calystegia occidentalis subsp. fulcrata Peter Kamb 1947-6-1 556 Los Angeles Angeles Crest Highwy 1 mi below Red Box Gap (San Gabriel Mountains); , below Red Box Gap 1341 Comment
  POM305882  Camissonia bistorta Henry J. Ramsey, Henry J. Ramsey 1937-5-16 1138 Los Angeles Altadena, North Craig Avenue. 396 Comment
  RSA465665  Camissonia bistorta Howard Mullins 1931-4-15 s.n. Los Angeles Flintridge Comment
  RSA466150  Camissonia californica L. E. Hoffman 1934-5-13 s.n. Los Angeles Millard's Canyon, Angeles National Forest. [San Gabriel Mountains.] Comment
  RSA466153  Camissonia californica M. Bisbee 1917-5-24 1931 Los Angeles San Rafael Hills, north of Eagle Rock. 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
  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
  SBBG15852  Camissoniopsis bistorta W. G. Webb 1935-4-17 Los Angeles Arroyo Seco Comment
  UC54695  Camissoniopsis bistorta L. A. Greata May, 1903 312 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
  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
  RSA66536  Capsella bursa-pastoris F. W. Peirson 1920-4-20 2106 Los Angeles 1085 New York Drive, Altadena. 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
  UCR101169  Cardamine oligosperma L. C. Wheeler 1957-3-31 7248 Los Angeles San Rafael Hills, Normandy Drive, c. 100 yds north of Los Angeles County-Pasadena city line 338 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
  UC822622  Carex alma Bryan 1929-7-4 Los Angeles Switzer's Camp Arroyo Secco 975 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
  CAS-BOT-BC32081  Carex multicaulis George B. Grant 1901-5-1 s.n. Los Angeles Mt. Lowe Comment
  POM80374  Carex multicaulis George B. Grant 1901-05 s.n. Los Angeles Mt. Lowe Comment
  CAS-BOT-BC115635  Carex triquetra George Bernard Grant 1901-8-1 139 Los Angeles Aroyo Seco Canyon. 609 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
  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
  JEPS13643  Castilleja applegatei subsp. martinii Peter Kamb 1947-6-1 548 Los Angeles n slope Mt. Disappointment; San Gabriel Mts. 1463 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
  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
  RSA448671  Castilleja applegatei subsp. martinii Geo. C. Johnstone 1925-4-10 s.n. Los Angeles Mount Lowe 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
  UCSB8704  Castilleja foliolosa Wedberg, Lee 1954-4-26 Los Angeles Dam, Pasadena; Devil's Gate 548 Comment
  CAS-BOT-BC243782  Castilleja gleasoni F. Grinnell Jr. 1910-6-11 s.n. Los Angeles Switzer's Trail, San Gabriel Mountains 1066 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
  SBBG66947  Castilleja minor subsp. spiralis M. N. Ackley 1927-6-5 1035 Los Angeles trail to Switzerland 762 Comment
  UCSC001472  Catalpa bignonioides Peter Kamb 1947-5-25 542 Los Angeles Altadena 396 Comment
  RSA429525  Caulanthus heterophyllus var. heterophyllus Anstruther Davidson 1893-05 s.n. Los Angeles Rubio Canon, Los Angeles. Comment
  RSA66841  Caulanthus heterophyllus var. heterophyllus F. W. Peirson 1918-6-6 63 Los Angeles East of Rubio Canyon 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
  A349002  Ceanothus crassifolius G. B. Grant 1902-06-01 - 1902-07-01 147 Unknown Mt. Lowe Comment
  A425499  Ceanothus crassifolius J. G. Jack 1907-7-12 Unknown Pasadena, Willard's Canon Comment
  CAS-BOT-BC48735  Ceanothus crassifolius Geo. B. Grant 1906-6-10 6671 Los Angeles Mt. Lome, Castle Canyon 914 Comment
  CAS-BOT-BC48740  Ceanothus crassifolius Geo. B. Grant 1901-1-1 s.n. Los Angeles So. Calif. From Mt. Lowe, S. Cal. Comment
  CAS-BOT-BC48743  Ceanothus crassifolius Geo. B. Grant 1901-1-1 8988 Los Angeles So. Calif. From Mt. Lowe, S. Cal. Comment
  CAS-BOT-BC48746  Ceanothus crassifolius Geo. B. Grant 1901-1-1 s.n. Los Angeles So. Calif. From Mt. Lowe, S. Cal. 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
  GH349044  Ceanothus crassifolius G. B. Grant 1902-06-01 - 1902-07-01 Unknown Mt. Lowe 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
  JEPS42402  Ceanothus crassifolius Frank W. Peirson 1919-1-19 302 a Los Angeles foot of Rubio Canyon; San Gabriel Mts., foot of Rubio Canyon 548 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
  RSA398854  Ceanothus crassifolius George B. Grant 1903-1 2547 Los Angeles Mt. Lowe Comment
  RSA398855  Ceanothus crassifolius Bonnie C. Templeton 1929-12-15 1449 Los Angeles Arroyo Seco, near Camp Switzers. 900 Comment
  RSA398858  Ceanothus crassifolius Geo. C. Johnstone 1925-4-10 s.n. Los Angeles Mount Lowe 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
  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
  RSA77145  Ceanothus crassifolius F. W. Peirson 1919-1-19 302 Los Angeles Rubio Canyon, San Gabriel Mountains. 549 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
  SEINET3162179  Ceanothus crassifolius G. B. Grant 1901-1 147 Los Angeles Mt. Lowe, S. Cal. Comment
  SEINET3836782 Image available Ceanothus crassifolius G. B. Grant 1901-1 3896 Unknown From Mt. Lowe, So. Cal. Comment
Read comments
Nov 13 2015
  UC452582  Ceanothus crassifolius Geo. B. Grant 1901-1 147 Los Angeles Mt. Lowe 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
  UCSB3867  Ceanothus crassifolius Sage, Paul 1958-2-21 Los Angeles On ridge above Millard Canyon in Altadena 0.5 miles above Chaney Trail at a point about 2.3 mi. N. of Loma Alta St. 914 Comment
  SBBG71367  Ceanothus crassifolius var. crassifolius unknown 1894-3-11 Los Angeles Mt Lowe Comment
  RSA399015  Ceanothus cuneatus M. B. Dunkle 1936-4-9 4718 Los Angeles San Rafael Valley Comment
  UC71947  Ceanothus cuneatus var. cuneatus E. D. Palmer Mar. 1902 Los Angeles Echo Mt. Comment
  RSA164759  Ceanothus cyaneus Wesley O. Griesel 1963-5-17 784 Los Angeles About 1/4 mi southeast of Devil's gate Dam Pasadena 366 Comment
  CAS-BOT-BC50148  Ceanothus integerrimus Geo. B. Grant 1901-5-23 s.n. Los Angeles Mt. Lowe - Alpine Tavern 1584 Comment
  CAS-BOT-BC50153  Ceanothus integerrimus W. R. Dudley 1900-7-9 s.n. Los Angeles Mount Lowe, San Gabriel Mt. Comment
  CAS-BOT-BC50156  Ceanothus integerrimus W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. Comment
  CAS-BOT-BC50158  Ceanothus integerrimus Geo. B. Grant 1904-6-26 s.n. Los Angeles Mt. Lowe, Pasadena 1828 Comment
  CAS-BOT-BC50163  Ceanothus integerrimus Herman Knoche 1919-6-14 Series A, No. 853 Los Angeles Mt. Lowe 1828 Comment
  GH349520  Ceanothus integerrimus Mrs. T. C. Pease 1910-5-10 Unknown Mt. Lowe Comment
  RSA682124  Ceanothus integerrimus Valerie L. Soza, Bill Hogshead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 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
  UCSB3911  Ceanothus integerrimus Kamb, Peter 1947-6-1 Los Angeles North slope of Mt Disappointment, San Gabriel Mts 1463 Comment
  CAS-BOT-BC51032  Ceanothus integerrimus var. macrothyrsus Vernon Bailey 1907-9-25 1289 Los Angeles Mt. Lowe 1524 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-BC50526  Ceanothus leucodermis W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San gabriel Mts. Comment
  CAS-BOT-BC50556  Ceanothus leucodermis Geo. B. Grant April 14, ? s.n. Los Angeles Arroy Seco Comment
  CAS-BOT-BC50565  Ceanothus leucodermis Geo. B. Grant 1901-5-23 s.n. Los Angeles Alpine Tavern, Mt. Lowe 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
  RSA77163  Ceanothus leucodermis F. W. Peirson 1918-5-19 112 Los Angeles Dawn Station along the trolley to Mt. Lowe, San Gabriel Mts. 1037 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
  RSA95363  Ceanothus megacarpus F. W. Peirson 1918-5-5 731 Los Angeles along road to [Brents] on the Malibu, Santa Monica Mts. Comment
Read comments
Apr 20 2019
  CAS-BOT-BC50457  Ceanothus oliganthus Geo. B. Grant 1904-5-5 s.n. Los Angeles Arroyo Seco Canyon, S. Cal Comment
  CAS-BOT-BC50458  Ceanothus oliganthus Geo. B. Grant 1906-6-10 s.n. Los Angeles Castle Canyon, Mt. Lowe 914 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
  UCSB3952  Ceanothus oliganthus Decker, Helen 1946-4-14 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains 1097 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
  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
  UC50448  Ceanothus oliganthus var. oliganthus H. M. Hall Apr 1903 3743 Los Angeles Arroyo Seco Comment
  GH425436  Ceanothus tomentosus C. C. Kingman 1911-4-15 Unknown Rubio Canyon, San Gabriel Mts. Comment
  POM351504  Centaurea melitensis L. E. Hoffman 1929-6-8 s.n. Los Angeles Arroyo Seco Canyon Comment
  POM351508  Centaurea melitensis Howard Mullins 1931-4-19 s.n. Los Angeles Flintridge. Comment
  RSA656868  Centaurea melitensis Joseph M. Keefe 2001-1-24 31011 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  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
  JEPS46376  Centaurium venustum Frank W. Peirson 1918-6-28 144 Los Angeles Lower Rubio Canyon San Gabriel Mts. 579 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
  RSA656869  Ceratonia siliqua Joseph M. Keefe 2001-1-24 31012 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  SD181358  Cercocarpus betuloides J. Henrickson 2000-4-29 20732 Los Angeles Ca. 11 air miles NE of La Cresenta along Angeles Crest Highway north of Mt. Wilson in the San Gabriel Mountains. Near Red Box Gap. 1399 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
  CAS-BOT-BC142102  Cercocarpus betuloides var. betuloides Geo. B. Grant 1902-6-1 s.n. Los Angeles Summit of Mt. Lowe 1676 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
  RSA656566  Cercocarpus betuloides var. betuloides James Henrickson 2000-4-29 20732 Los Angeles Ca. 11 air miles NE of La Cresenta along Angeles Crest Highway north of Mt. Wilson in the San Gabriel Mountains. Near Red Box Gap 1400 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
  HSC12510  Cercocarpus montanus var. glaber Wendell Wood 1970-6-20 15 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 Comment
  CAS-BOT-BC279510  Chaenactis artemisiifolia W. R. Dudley 1900-7-1 s.n. Los Angeles Mount Lowe Comment
  CAS-BOT-BC279511  Chaenactis artemisiifolia F. Grinnell Jr. 1910-6-22 s.n. Los Angeles Switzers Trail, San Gabriel Mts. 1066 Comment
  CAS-BOT-BC279513  Chaenactis artemisiifolia W. R. Dudley 1900-7-9 s.n. Los Angeles Mount Lowe Comment
  CAS-BOT-BC279519  Chaenactis artemisiifolia M. E. Jones 1902-6-20 s.n. Los Angeles Mt. Lowe, Pasadena Comment
  POM30266  Chaenactis artemisiifolia Marcus E. Jones 1902-6-20 s.n. Los Angeles Mt. Lowe Comment
  JEPS34175  Chaenactis glabriuscula F. W. Peirson 1918-6-28 243 Los Angeles foothills e of (which is about 2 mi n of Pasadena) Rubio Canyon 609 Comment
  UCR111499  Chaenactis glabriuscula A. C. Sanders, D. Malueg 1998-6-22 22023 Los Angeles San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE 549 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
  CAS-BOT-BC277346  Chaenactis glabriuscula var. glabriuscula F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  POM351745  Chaenactis glabriuscula var. lanosa L. E. Hoffman 1926-3-18 s.n. Los Angeles Arroyo Seco river. Comment
  POM351806  Chaenactis santolinoides Anstruther Davidson 1893-6-12 s.n. Los Angeles Mt. Disappointment Comment
  RSA670952  Chamaesyce maculata Joseph M. Keefe 2001-1-24 31014 Los Angeles East side of Arroyo Seco, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  RSA70398  Chamaesyce serpillifolia F. W. Peirson 1920-6-14 2162 Los Angeles At Peirson home, 1082 New York Drive, Altadena 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
  CAS-BOT-BC70022  Cheilanthes covillei Geo. B. Grant 1902-6-1 s.n. Los Angeles Mt. Lowe 1524 Comment
  RSA679922  Cheilanthes covillei LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 931 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1). 1631 Comment
  RSA685706  Cheilanthes covillei Geo L. Moxley 1910-7-20 419 Los Angeles Mt. Washburb, Near Switzers Camp, Arroyo Seco Canyon Comment
  UC1874981  Cheilanthes covillei Ruth Kirkpatrick 2001-7-30 1080 Los Angeles San Gabriel Mountains at Red Box Picnic Area on Angeles Crest Hwy (Hwy 2), Angeles National Forest Red Box Station. Angeles Crest Hwy and Mount Wilson/Red Box 1432 Comment
  UC62621  Cheilanthes covillei Geo. B. Grant 1901-1 247 Los Angeles Mt Lowe 1524 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
  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
  SEINET5764404 Image available Chenopodium californicum Unknown 1904-1 167 a Los Angeles Pasadena Comment
  UC1971374  Chenopodium desiccatum Louis C. Wheeler 1973-8-2 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Coulter Reservoir, Sunset Ridge. Comment
  RSA631087  Chenopodium multifidum L. C. Wheeler 1947-4-13 6466 Los Angeles San Gabriel Mountains; Millard Canyon. 640 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
  SEINET5765126 Image available Chenopodium pumilio Unknown 1906-1 7178 Los Angeles Pasadena 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
  GH369880  Chorizanthe parryi G. B. Grant 1901-06-01 - 1901-07-01 122 Unknown Pasadena, Mt. Lowe 1219 Comment
  CAS-BOT-BC252777  Chorizanthe parryi var. parryi Geo. B. Grant 1902-6-1 171 Los Angeles Mt. Lowe, So. Cal. 1219 Comment
  CAS-BOT-BC252778  Chorizanthe parryi var. parryi Geo. B. Grant 1902-6-1 171 Los Angeles Mt. Lowe, So. Cal. 1219 Comment
  JEPS57709  Chorizanthe parryi var. parryi Frank W. Peirson 1919-5-21 446 Los Angeles Arroyo Seco San Gabriel Mountains, Arroyo Seco 381 Comment
  UC72684  Chorizanthe parryi var. parryi Geo. B. Grant Jun 1902 171 Los Angeles Mount Lowe Mount Lowe (Southern California) Comment
  CAS-BOT-BC244652  Chorizanthe staticoides G. B. Grant 1904-6-17 s.n. Los Angeles Altadena Comment
  CAS-BOT-BC244669  Chorizanthe staticoides F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  CAS-BOT-BC244715  Chorizanthe staticoides Grant 1901-5-23 3909 Los Angeles Echo Mtn near Hotel Comment
  CAS-BOT-BC244725  Chorizanthe staticoides F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  JEPS57759  Chorizanthe staticoides Frank W. Peirson 1918-6-12 26 Los Angeles foothills e Rubio Canyon (San Gabriel Mountains); , foothills e Rubio Canyon 609 Comment
  POM306235  Chorizanthe staticoides Henry J. Ramsey, Henry J. Ramsey 1937-5-27 s.n. Los Angeles N. Craig Avenue, Altadena. Comment
  POM307202  Chorizanthe staticoides Henry J. Ramsey, Henry J. Ramsey 1937-6-23 2068 Los Angeles North Craig Ave., Altadena. Comment
  RSA18521  Chorizanthe staticoides Carl B. Wolf 1927-7-24 677 Los Angeles Chevy Chase Drive between Flintridge and Glendale Comment
  RSA392668  Chorizanthe staticoides Geo. L. Moxley 1914-5-30 217 Los Angeles San Rafael Hills 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
  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
  CAS-BOT-BC285408  Cirsium occidentale var. californicum Peter Kamb 1947-6-1 559 Los Angeles Angeles Crest highway 1 mi. below Red Box Gap, San Gabriel Mts 1341 Comment
  POM352154  Cirsium occidentale var. californicum Geo. L. Moxley 1915-7-4 353 Los Angeles Arroyo Seco Canyon. Comment
  POM352157  Cirsium occidentale var. occidentale Howard Mullins 1931-4-19 s.n. Los Angeles Chevy Chase, Flintridge Comment
  POM352182  Cirsium occidentale var. occidentale T. S. Clare, Johnstone 1929-10-20 s.n. Los Angeles Eaton Canyon Rd. San Gabriel Mts. 915 Comment
  RSA657960  Cirsium occidentale var. occidentale C. Schapiro 1979-4-10 3 Los Angeles Verdugo Mountains; On fire road at intersection of Linda Vista Rd. and Figueroa St., North Glendale 762 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
  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
  RSA529890  Cistus ladanifer T. S. Ross 1991-8-16 5798 Los Angeles Woodwardia canyon, San Gabriel Mtns (N of Pasadena) 819 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
  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
  SEINET10956560  Citrus limon Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2497 Los Angeles City of Pasadena. Vartan Family Grocery, 1511 E. Washington Blvd. 270 Comment
  CAS-BOT-BC172429  Clarkia bottae Geo. B. Grant 1906-6-10 6666 Los Angeles Mt. Lowe, Castle Canyon Trail 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
  UC173996  Clarkia bottae G. B. Grant 1906-6-10 6666 Los Angeles Mt. Lowe Comment
  CHSC3723  Clarkia cylindrica Sue Boergadine 1966-5-26 Los Angeles Switzer's Camp. 762 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
  HSC12679  Clarkia dudleyana Wendell Wood 1970-6-24 38 Los Angeles Linda Vista Ave. and Foothill Hwy., Pasadena 305 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
  RSA73341  Clarkia dudleyana F. W. Peirson 1920-6-10 4456 Los Angeles North slope of Echo Mtn. 915 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
  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
  CAS-BOT-BC163716  Clarkia purpurea subsp. quadrivulnera F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  CLARK-A1528-2658  Clarkia purpurea subsp. quadrivulnera Robin L. Kobaly 1972-5-17 RLK 720517 Los Angeles San Gabriel Mountains Comment
  RSA610411  Clarkia purpurea subsp. quadrivulnera R. S. Woglum 1930-5-17 s.n. Los Angeles Western Transverse Ranges: South slope of the San Gabriel Mountains, Pasadena. 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
  RSA448582  Clarkia unguiculata Paul Currie 1969-1 33 Los Angeles Along road to Mt. Wilson, c. 15 miles northeast of La Canada 1067 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
  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
  A369575  Clematis lasiantha M. Strong 1922-5-30 Unknown Mt. Lowe Comment
  CAS-BOT-BC91379  Clematis lasiantha Geo. B. Grant 1900-6-1 s.n. Los Angeles Mount Lowe. Comment
  CAS-BOT-BC91381  Clematis lasiantha Geo. B. Grant 1901-1-1 194 Los Angeles Mount Lowe. Comment
  CAS-BOT-BC91389  Clematis lasiantha Mrs. Jos Clemens 1922-5-30 s.n. Los Angeles Mount Lowe. 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
  GH369543  Clematis lasiantha G. B. Grant 1902-6-3 194 Unknown Mt. Lowe, S Cal Comment
  GH369545  Clematis lasiantha Mrs. T. C. Pease 1910-5-10 Unknown Mt. Lowe 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
  RSA386203  Clematis lasiantha Albert J. Perkins 1895-4-25 s.n. Los Angeles Mt. Lowe. Comment
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Apr 13 2014
  RSA84410  Clematis lasiantha F. W. Peirson 51 Los Angeles Rubio Canyon, south base of San Gabriel Mountains. Comment
  RSA84465  Clematis lasiantha F. W. Peirson 1926-3-20 6516 Los Angeles Arroyo Seco, near Pasadena 915 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
  LA207186  Clematis ligusticifolia Carl Epling; May 1926 sn Los Angeles Arroyo Seco 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
  POM45047  Collinsia heterophylla I. E. Diehl 1902-6-27 243 Los Angeles San Gabriel Moutains region Mt. Lowe Comment
  RSA682115  Collinsia heterophylla Valerie L. Soza, Bill Hoghead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 Comment
  UCSB9592  Collinsia heterophylla Wedberg, Lee 1954-4-26 Los Angeles Devil's Gate Dam, Pasadena 243 Comment
  CAS-BOT-BC240953  Collinsia parryi Geo. B. Grant 1904-5-5 6260 Los Angeles Arroyo Seco Canyon Comment
  LA209062  Collinsia parryi Carl Epling; May 1926 sn Los Angeles Arroyo Seco 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
  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
  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
  RSA71126  Convolvulus arvensis F. W. Peirson 890 Los Angeles New York Ave, Altadena. Comment
  RSA412300  Cordylanthus rigidus subsp. setiger Fordyce Griffiths Jr. 1910-06 3428 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  UC485340  Coreopsis californica var. californica Geo. B. Grant Apr 1902 681 Los Angeles Altadena, Comment
  SEINET3146399  Coreopsis douglasii G. B. Grant 681 Los Angeles Altadena 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
  GH387120  Corethrogyne filaginifolia C. C. Kingman 1910-11-10 Unknown Altadena Comment
  PASA1815  Corethrogyne filaginifolia Frank W. Peirson 1919-10-26 Los Angeles Foot of Rubio Canyon, Altadena 548 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
  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
  POM304730  Corethrogyne filaginifolia var. filaginifolia Henry J. Ramsey, Henry J. Ramsey 1937-9-2 I 66 Los Angeles Angeles Crest Highway. Comment
  POM304731  Corethrogyne filaginifolia var. filaginifolia Henry J. Ramsey, Henry J. Ramsey 1937-9-2 I 65 Los Angeles Lady Bug Canyon, Angeles Crest Highway Comment
  POM356133  Corethrogyne filaginifolia var. filaginifolia Fordyce Grinnell Jr. 1915-9-6 s.n. Los Angeles Low hills, near Pasadena 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
  RSA602767  Cortaderia selloana L. C. Wheeler 1972-12-24 12802 Los Angeles San Gabriel Mountains: Las Flores Canyon. 823 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
  RSA738050  Cotoneaster M. A. Sanatay s.n. Los Angeles San Rafael Hills 213 Comment
  CAS-BOT-BC143495  Cotoneaster pannosus Jeannette L. Huber 1972-4-9 1219 Los Angeles On old Cobb estate, north end of Lake Avenue, Altadena Comment
  CAS-BOT-BC143496  Cotoneaster pannosus Jeannette L. Huber 1974-2-12 1412 Los Angeles On old Cobb estate, north end of Lake Avenue, Altadena 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
  SBBG70342  Crassula connata M. N. Ackley 1928-5-12 113 Los Angeles Eaton Wash 365 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
  RSA600786  Crassula connata var. connata L. C. Wheeler 1948-4-26 6635 Los Angeles Altadena. Oak Grove Park, Devil's Gate Dam. 321 Comment
  OBI70867  Crassula tillaea Louis C. Wheeler 1948-4-26 6634 Los Angeles Altadena. Oak Grove Park, Devil's Gate Dam 305 Comment
  RSA600787  Crassula tillaea L. C. Wheeler 1948-4-26 6634 Los Angeles Altadena. Oak Grove Park, Devil's Gate Dam. 305 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
  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
  UCR99457  Crassula tillaea L. C. Wheeler 1948-4-26 6634 Los Angeles Altadena. Oak Grove Park, Devil's Gate Dam 305 Comment
  JEPS31076  Crocanthemum scoparium var. vulgare Frank W. Peirson 1919-6-12 115 Los Angeles Mt. Lowe foothills 579 Comment
  CHSC95751  Croton californicus Joseph Marlowe Keefe 2001-1-24 31016 Los Angeles San Rafael Mountains. East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena, California,. 250 Comment
  RSA305071  Croton californicus H. J. Ramsey, Henry J. Ramsey 1937-1-2 348 Los Angeles Altadena, vicinity of Craig Ave. 396 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
  RSA656867  Croton californicus Joseph M. Keefe 2001-1-24 31016 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  SFV21139  Croton californicus J. M. Keefe 2001-1-24 31016 Los Angeles San Rafael Hills Pasadena. East side of Arroyo Seco, 2 m west of curb, across street from 1590 Arroyo Blvd at Howard Street. 250 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
  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
  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
  RSA369507  Cryptantha micromeres Martha Hilend 1929-5-14 s.n. Los Angeles Mt. Lowe. 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
  UC1178544  Cryptantha muricata Peter Kamb 1947-6-1 552 Los Angeles n slope Mt. Disappointment; San Gabriel Mts. 1554 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
  UCR116706  Cupaniopsis anacardioides Sharon Dougherty 2001-7-3 s.n. Los Angeles San Gabriel Mtns. (foothills), Pasadena, Cal Tech (Jet Propulsion Laboratory) 457 Comment
  RSA682605  Cupressus arizonica Valerie Soza, Bill Hoghead, Amber Maurice 2003-5-17 s.n. Los Angeles Transverse Ranges; San Gabrield Mountains region: Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena. 915 Comment
  JEPS47108  Cuscuta californica Frank W. Peirson 1918-6-28 150 a Los Angeles e of Rubio Canyon; San Gabriel Mts. 609 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
  RSA632513  Cuscuta pentagona L. C. Wheeler 1965-10-6 s.n. Los Angeles Devil's Gate Dam, Pasadena Comment
  UCR124252  Cuscuta pentagona L. C. Wheeler 1965-10-6 s.n. Los Angeles Devil's Gate Dam: Pasadena 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
  JEPS49768  Cycladenia humilis var. venusta Joseph Andorfer Ewan 1932-6-17 7237 Los Angeles summit Mt. Disappointment; San Gabriel Mts., Mt. Disappointment 1828 Comment
  POM184711  Cycladenia humilis var. venusta Joseph A. Ewan 1932-6-17 7237 Los Angeles Summit Mount Disappointment, San Gabriel Mts. 1828 Comment
  RSA70361  Cycladenia humilis var. venusta Joseph A. Ewan 1932-6-17 7237 Los Angeles Summit Mount Disappointment, San Gabriel Mts. 1828 Comment
  POM307837  Cynodon dactylon Henry J. Ramsey, Henry J. Ramsey 1938-1-9 2764 Los Angeles Altadena. 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
  RSA602966  Cyrtomium falcatum L. C. Wheeler 1972-12-24 12797 Los Angeles San Gabriel Mountains: near center of Las Flores Canyon. 762 Comment
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Apr 5 2007
  UCR101201  Cyrtomium falcatum L. C. Wheeler 1972-12-24 12797 Los Angeles San Gabriel Mtns., center of Las Flores Canyon 762 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
  JEPS12565  Deinandra fasciculata Frank W. Peirson 1918-6-28 236 Los Angeles e of Rubio Canyon; San Gabriel Mountains 609 Comment
  HSC12410  Delphinium cardinale Wendell Wood 1970-6-20 16 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 Comment
  RSA394502  Delphinium cardinale Fordyce Grinnell Jr. 1910-06 1788 Los Angeles Long Canyon, San Gabriel Mountains. 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
  JEPS5902  Delphinium parryi Frank Peirson 1918-6-1 48 Los Angeles foothills e Rubio Canyon (n base of mts., back and slightly e of Altadena); San Gabriel Mountains 609 Comment
  RSA398741  Delphinium parryi Unspecified s.n. Los Angeles Milard's Canyon [Millard Canyon]. Comment
  RSA69413  Delphinium parryi subsp. parryi F. W. Peirson 1918-6-12 48 Los Angeles Burnt area in hills east of Rubio Canyon, San Gabriel Mountains. 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
  RSA490037  Delphinium patens subsp. hepaticoideum Anstruther Davidson 1892-06 s.n. Los Angeles Altadena. Comment
  SBBG15507  Delphinium patens subsp. hepaticoideum W. G. Webb 1935-4-17 Los Angeles Arroyo Seco Comment
  UC639627  Delphinium patens subsp. hepaticoideum Victor Duran 1929-6-10 2394 Los Angeles hillsides near Echo Mountain; San Gabriel Mountains 914 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
  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
  RSA433216  Dendromecon rigida Anstruther Davidson 1892-5-3 s.n. Los Angeles Devil's Gate, Pasadena. 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
  UC54696  Dendromecon rigida L. A. Greata May, 1903 314 -316 Los Angeles Arroyo Seco 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
  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
  SBBG72170  Descurainia pinnata M. N. Ackley 1928-2-12 134 Los Angeles Eaton Wash 365 Comment
  RSA65821  Descurainia pinnata subsp. menziesii F. W. Peirson 1918-03 1900 Los Angeles At Altadena. Comment
  CAS-BOT-BC402260  Dicentra chrysantha Geo. B. Grant 1904-6-26 4409 Los Angeles Mt Lowe Comment
  CAS-BOT-BC402264  Dicentra chrysantha F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Upper Millards Canon [Canyon] near Mt Lowe. San Gabriel Mountains 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
  CAS-BOT-BC209178  Dichanthelium acuminatum subsp. acuminatum H. E. Hasse 1901-7-1 s.n. Los Angeles Cienega, below head of west fork San Gabriel Canyon Comment
  JEPS64192  Dichelostemma capitatum Frank W. Peirson 1918-5-21 7 Los Angeles Arroyo Seco San Gabriel Mts. 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
  POM307836  Digitaria sanguinalis Henry J. Ramsey, Henry J. Ramsey 1938-1-9 2765 Los Angeles Altadena. Comment
  POM365099  Digitaria sanguinalis L. E. Hoffman 1932-8-16 s.n. Los Angeles Arroyo Seco, Angeles Forest. [San Gabriel Mountains]. Comment
  UCD64091  Digitaria sanguinalis F. W. Peirson 1917-9-1 1592 Los Angeles 1077 New York Avenue, Altadena. Comment
  SEINET13693637  Diplacus aurantiacus G. B. Grant 1904-5-24 286 Los Angeles Altadena. 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-BC150648  Diplacus longiflorus F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  PASA101  Diplacus longiflorus Loletta Hiebert Los Angeles Arroyo Seco Comment
  RSA65169  Dodecahema leptoceras F. W. Peirson 1951-1 1777 Los Angeles Rubio Wash, Altadena Comment
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Dec 17 2015
  UC54699  Drymocallis glandulosa var. wrangelliana L. A. Greata May 1903 313 Los Angeles Arroyo Seco 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
  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
  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
  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
  CAS-BOT-BC428113  Dudleya cymosa subsp. cymosa Geo. B. Grant 1906-6-10 6677 Los Angeles Mt Lowe, Castle Canyon Comment
  CAS-BOT-BC428114  Dudleya cymosa subsp. cymosa Geo. B. Grant 1904-6-27 6311 Los Angeles Mt Lowe Comment
  RSA668078  Dudleya cymosa subsp. pumila Michael C. Long 2001-6-5 MCL- 680 Los Angeles San Gabriel Mountains, Eaton Canyon 100m N of Mt. Wilson Toll Road (large white bridge, on lower West side canyon walls. 390 Comment
  RSA668079  Dudleya cymosa subsp. pumila Michael C. Long 2001-6-5 MCL- 680 Los Angeles San Gabriel Mountains, Eaton Canyon 100m N of Mt. Wilson Toll Road (large white bridge, on lower West side canyon walls. 390 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
  RSA83407  Dudleya cymosa subsp. pumila Joseph A. Ewan 1932-7-4 7572 Los Angeles Millard's Canyon, above the falls 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
  CAS-BOT-BC411390  Dudleya lanceolata A. C. Sanders; D. Malueg 1998-6-22 22020 Los Angeles San Gabriel Mtns.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln. and along trail to the NE 548 Comment
  RSA653257  Dudleya lanceolata A. C. Sanders, D. Malueg 1998-6-22 22020 Los Angeles San Gabriel Mtns.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Lane, and along trail to the NE. 549 Comment
  UCR111505  Dudleya lanceolata A. C. Sanders, D. Malueg 1998-6-22 22020 Los Angeles San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE 549 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
  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
  CAS-BOT-BC197258  Echinochloa muricata var. microstachya J. H. Thomas 1956-9-29 6461 Los Angeles Pasadena. Behind Devils Gate Dam Comment
  CAS-BOT-BC445603  Echinodorus berteroi Louis C. Wheeler 1951-8-20 6835 Los Angeles Pasadena; Devils Gate Dam. Comment
  RSA600781  Echinodorus berteroi L. C. Wheeler 1949-6-22 6708 Los Angeles Altadena, Devil's Gate Dam 321 Comment
  RSA600782  Echinodorus berteroi L. C. Wheeler 1949-6-22 6708 Los Angeles Altadena, Devil's Gate Dam 321 Comment
  RSA608331  Echinodorus berteroi L. C. Wheeler 1951-8-20 6835 Los Angeles Pasadena: Devils Gate Dam. 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
  UCSB3674  Ehrendorferia chrysantha Kamb, Peter 1947-6-9 Los Angeles Angeles Crest highway at Ladybug Canyon, San Gabriel Mts. 1280 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
  CAS-BOT-BC206767  Elymus glaucus subsp. glaucus Nora Pettibone; Frank W. Hubby 1896-5-28 s.n. Los Angeles Rubio Canyon, near Pasadena, Sierra Madre Comment
  POM305408  Emmenanthe penduliflora Henry J. Ramsey, Henry J. Ramsey 1937-5-16 692 Los Angeles Altadena, North Craig Avenue. 396 Comment
  RSA401547  Emmenanthe penduliflora var. penduliflora Fordyce Grinnell Jr. 1910-06 3151 Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  RSA0044684  Encelia actoni LeRoy Gross 2012-6-17 5550 Los Angeles Mount Wilson Road to Henninger Flats. Short distance east of the Eaton Canyon bridge. 420 Comment
  UCR257216  Encelia actoni LeRoy Gross 2012-6-17 5550 Los Angeles Transverse Ranges; San Gabriel Mountains, Mount Wilson Road to Henninger Flats; short distance east of the Eaton Canyon Bridge 420 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-BC166207  Epilobium canum subsp. canum F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Mt. Lowe - San Gabriel Ridge, San Gabriel Mountains 1615 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-BC166248  Epilobium canum subsp. canum Fordyce Grinnell 1915-11-1 s.n. Los Angeles Echo Mts., near Pasadena Comment
  CAS-BOT-BC166257  Epilobium canum subsp. canum F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Upper Millards [Canon] Canyon, San Gabriel Mountains 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
  CAS-BOT-BC166276  Epilobium canum subsp. canum J. Ewan 1929-9-21 3485 Los Angeles Millards Canyon, 4 mi above falls, San Gabriel Mts. 1158 Comment
  POM209281  Epilobium canum subsp. canum Frank W. Johnson 1905-9-14 s.n. Los Angeles Rubio Farm. 610 Comment
Read comments
May 12 2015
  POM21340  Epilobium canum subsp. canum Fordyce Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena; San Gabriel Mts. Comment
  POM305691  Epilobium canum subsp. canum Henry J. Ramsey, Henry J. Ramsey 1937-8-29 975 Los Angeles Altadena. 396 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
  RSA72101  Epilobium canum subsp. canum F. W. Peirson 1919-10-26 4517 Los Angeles Along Pacific Electric tracks to Rubio Canyon, San Gabriel Mts. 549 Comment
  RSA72103  Epilobium canum subsp. canum F. W. Peirson 1918-10-15 279 Los Angeles Foot of Echo Mountain Trail to Mount Lowe and San Gabriel Range. 549 Comment
  CAS-BOT-BC171920  Epilobium canum subsp. latifolium Fordyce Grinnell 1916-9-2 s.n. Los Angeles Near Pasadena, San Gabriel Mts. Comment
  POM187614  Epilobium canum subsp. latifolium Joseph A. Ewan 1929-9-21 s.n. Los Angeles Millards Canyon, 4 miles above falls. Comment
  POM21345  Epilobium canum subsp. latifolium Fordyce Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena; San Gabriel Mts. 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
  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
  RSA684666  Equisetum hyemale var. affine Geo C. Johnstone 1925-4-10 s.n. Los Angeles Mount Lowe 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
  POM306343  Eremocarpus setiger Henry J. Ramsey, Henry J. Ramsey 1937-8-12 s.n. Los Angeles Altadena Comment
  RSA76951  Eremocarpus setiger F. W. Peirson 1919-10-26 2046 Los Angeles Along Pacific Electric tracks to Rubio Canyon, San Gabriel Mts. 549 Comment
  CAS-BOT-BC286888  Ericameria ericoides A. J. McC. 1892-10-1 105 Los Angeles Pasadena 609 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
  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-BC131653  Ericameria parishii var. parishii Fordyce Grinnell 1915-9-4 s.n. Los Angeles Switzer's Trail, San Gabriel Mt. 1066 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
  CAS-BOT-BC293120  Ericameria pinifolia Frank W. Peirson 1918-10-20 s.n. Los Angeles Rubio Wash at New York Ave., Altadena 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
Read comments
Feb 19 2017
  CAS-BOT-BC296183  Erigeron foliosus var. foliosus F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Mt. Lowe, San Gabriel Ridge, San Gabriel Mountains 1615 Comment
  CAS-BOT-BC296197  Erigeron foliosus var. foliosus F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  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
  CAS-BOT-BC296256  Erigeron foliosus var. foliosus F. Grinnell Jr. 1910-6-22 s.n. San Bernardino Switzer Trail, San Gabriel Mts. 1066 Comment
  CAS-BOT-BC296257  Erigeron foliosus var. foliosus F. Grinnell Jr. 1910-6-22 s.n. San Bernardino Switzer Trail, San Gabriel Mts. 1066 Comment
  POM357476  Erigeron foliosus var. foliosus Fordyce Grinnell Jr. 1910-7-22 s.n. Los Angeles Switzer's Camp 915 Comment
  SJSU3878  Erigeron foliosus var. foliosus C. W. Sharsmith 1964-1-1 7177 Los Angeles near head of Bear Canyon (Arroyo Seco drainage), San Gabriel Mountains 1371 Comment
  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
  GH402804  Eriodictyon crassifolium G. B. Grant 1901-1-1 417 Unknown Mt. Lowe Comment
  LA205562  Eriodictyon crassifolium Carl Epling; May 1925 sn Los Angeles Arroyo Seco Comment
  CAS-BOT-BC189111  Eriodictyon crassifolium var. crassifolium Geo. B. Grant 1901-3-24 s.n. Los Angeles Rubio Wash Comment
  CAS-BOT-BC189112  Eriodictyon crassifolium var. crassifolium Geo. B. Grant 1904-5-5 6191 Los Angeles Arroya Seco Comment
  CAS-BOT-BC376122  Eriodictyon crassifolium var. crassifolium Marck Menke 2002-3-29 134 Los Angeles San Gabriel Mts., Angeles Crest Highway (Hwy. 2) at a pullout southeast of the intersection with Angeles Forest Highway Comment
  CAS-BOT-BC376584  Eriodictyon crassifolium var. crassifolium Marck Menke 2002-3-29 135 Los Angeles San Gabriel Mts., Angeles Crest Highway (Hwy. 2) at a pullout southeast of the intersection with Angeles Forest Highway Comment
  RSA454996  Eriodictyon crassifolium var. crassifolium L. E. Hoffman 1926-3-18 s.n. Los Angeles Arroyo Seco 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-BC189168  Eriodictyon crassifolium var. nigrescens Geo. B. Grant 1901-1-1 417 San Luis Obispo Mount Lowe 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
  JEPS37  Eriodictyon crassifolium var. nigrescens Frank W. Peirson 1918-5-19 171 Los Angeles Echo Mountain; San Gabriel Mountains, Echo Mountain 990 Comment
  POM155610  Eriodictyon crassifolium var. nigrescens P. A. Munz 1927-1 41 Los Angeles Mt. Lowe. 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
  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
  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
  RSA77239  Eriodictyon crassifolium var. nigrescens F. W. Peirson 1918-5-19 171 Los Angeles north of Dawn Station on trail to Dawn Mine, Millards Canyon Comment
  CAS-BOT-BC188950  Eriodictyon parryi Geo. B. Grant 1904-6-26 4266 Los Angeles [Mount Lowe?] Comment
  CAS-BOT-BC188951  Eriodictyon parryi G. B. Grant 1901-5-23 11761 Los Angeles Above Alpine Tavern, Mount Lowe 1584 Comment
  CAS-BOT-BC188958  Eriodictyon parryi E. M. Zeile 1924-6-18 s.n. Los Angeles Mount Lowe, belove mule-car track 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
  GH402922  Eriodictyon trichocalyx J. F. Collins 1918-4-16 Unknown above Alpine Tavern, Mt. Lowe Comment
  JEPS63  Eriodictyon trichocalyx F. W. Peirson 1918-6-10 169 Los Angeles Mt. Lowe 1584 Comment
  RSA669975  Eriodictyon trichocalyx Joseph M. Keefe 1977-6-6 22025 Los Angeles Angeles Crest Highway, 0.9 mile west of turnoff to Red Box Ranger Station, north of Pasadena, San Gabriel Mountains. 1250 Comment
  SFV16065  Eriodictyon trichocalyx P. A. Krueger 1994-5-18 36 Los Angeles San Gabriel Mountains 5.5 miles north on Mount Lowe Truck Trail from Chaney Trail. 900 Comment
  CAS-BOT-BC219333  Eriodictyon trichocalyx var. trichocalyx Vernon Bailey 1907-9-25 s.n. Los Angeles Mt. Lowe 1524 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
  RSA639153  Eriodictyon trichocalyx var. trichocalyx Louis C. Wheeler 1973-7-21 s.n. Los Angeles San Gabriel Mountains: Ridge on divide between Big Tujunga and Devil Canyon 0.2 mile north of windy gap on Angeles Crest Highway. 1616 Comment
  UCD119326  Eriodictyon trichocalyx var. trichocalyx Louis C. Wheeler 1973-7-21 s.n. Los Angeles San Gabriel Mountains: Ridge on divide between Big Tujunga and Devil Canyon 0.2 mile north of windy gap on Angeles Crest Highway. Comment
  RSA766427  Eriogonum elongatum Raymond J. Dobbs 1927-8-20 s.n. Los Angeles [Switzers?] 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
  RSA65159  Eriogonum elongatum var. elongatum F. W. Peirson 1919-10-26 19 Los Angeles Along Pacific Electric tracks to Rubio Canyon, San Gabriel Mts. 549 Comment
  A364032  Eriogonum fasciculatum J. G. Jack 1907-7-13 Unknown Pasadena, Las Casetas Canon Comment
  GH364020  Eriogonum fasciculatum Mrs. T. C. Pease 1910-5-10 Unknown Mt. Lowe Comment
  LA206778  Eriogonum fasciculatum M. Zaitlin; 1951-3-17 sn Los Angeles San Gabriel Mountains, Angeles Crest Highway 761 Comment
  POM305240  Eriogonum fasciculatum Henry J. Ramsey, Henry J. Ramsey 1937-5-27 566 Los Angeles Altadena, north Craig Ave. Comment
  RSA0035189  Eriogonum fasciculatum Geraldine Dodd 1992-5-2 4 Los Angeles 3.5 miles north of corner of Loma Alta Dr. and Lake Ave. in Altadena. Sam Merrill hiking trail. San Gabriel Mts. 1219 Comment
  CAS-BOT-BC249932  Eriogonum fasciculatum var. foliolosum F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  HSC12475  Eriogonum fasciculatum var. foliolosum Wendell Wood 1970-6-20 14 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 Comment
  JEPS56972  Eriogonum fasciculatum var. foliolosum Frank W. Peirson 1919-1-26 305 Los Angeles Rubio Canyon San Gabriel Mountains, Rubio Canyon 548 Comment
  POM305047  Eriogonum fasciculatum var. foliolosum Henry J. Ramsey, Henry J. Ramsey 1937-1-15 375 Los Angeles Altadena. 396 Comment
  POM306179  Eriogonum fasciculatum var. foliolosum Henry J. Ramsey, Henry J. Ramsey 1937-9-2 s.n. Los Angeles Angeles Crest Highway: Johnny Canyon. Comment
  POM306265  Eriogonum fasciculatum var. foliolosum Henry J. Ramsey, Henry J. Ramsey 1938-1-1 1413 Los Angeles North Craig Ave., Altadena. Comment
  POM306282  Eriogonum fasciculatum var. foliolosum Henry J. Ramsey, Henry J. Ramsey 1938-5-22 1396 Los Angeles North Craig Ave., Altadena. Comment
  POM306342  Eriogonum fasciculatum var. foliolosum Henry J. Ramsey, Henry J. Ramsey 1937-8-23 1424 Los Angeles Altadena. 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
  RSA393405  Eriogonum fasciculatum var. foliolosum Adele G. Axtman 1931-7-15 s.n. Los Angeles Low hillside near Devil's Gate Dam, Pasadena 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
  RSA65151  Eriogonum fasciculatum var. foliolosum F. W. Peirson 1919-1-26 305 Los Angeles San Gabriel Mountains: Rubio Reservoir, foot of Rubio Canyon 549 Comment
  RSA656866  Eriogonum fasciculatum var. foliolosum Joseph M. Keefe 2001-1-24 31017 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  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
  A364160  Eriogonum fasciculatum var. polifolium F. Grinnell, Jr. 1917-6-30 Unknown Altadena 457 Comment
  CAS-BOT-BC250104  Eriogonum fasciculatum var. polifolium W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts Comment
  CAS-BOT-BC250118  Eriogonum fasciculatum var. polifolium Geo. B. Grant 1904-6-26 3412 Los Angeles Mt. Lowe Comment
  RSA393457  Eriogonum fasciculatum var. polifolium Fordyce Grinnell Jr. 1910-06 1520 Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  RSA393463  Eriogonum fasciculatum var. polifolium N. C. Cooper 1949-6-18 4209 Los Angeles Angeles Crest Highway, San Gabriel Mountains 1220 Comment
  UCSB12954  Eriogonum fasciculatum var. polifolium Suter, Richard 1961-3-30 Los Angeles .5 miles east of the Old Toll Road Bridge north of Pasadena; in center of Eaton Wash 274 Comment
  CAS-BOT-BC253458  Eriogonum gracile F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon, near Pasadena, San Gabriel Mts. Comment
  POM306339  Eriogonum gracile var. gracile Henry J. Ramsey, Henry J. Ramsey 1937-8-23 1421 Los Angeles Altadena. Comment
  CAS-BOT-BC267625  Eriogonum saxatile W. R. Dudley 1899-7-20 s.n. Los Angeles Mt. Lowe Comment
  RSA766270  Eriogonum saxatile Joseph A. Ewan 1932-6-17 7254 Los Angeles Summit Mount Disappointment, San Gabriel Mts. 1829 Comment
  UC1863862  Eriogonum saxatile G. B. Grant 1907-6-25 5069 Los Angeles Mt. Lowe Comment
  CAS-BOT-BC297912  Eriophyllum confertiflorum Geo. B. Grant 1902-6-26 4162 Los Angeles Mt Lowe Comment
  CAS-BOT-BC297952  Eriophyllum confertiflorum Geo. B. Grant 1904-6-26 4162 Los Angeles Mt Lowe Comment
  CAS-BOT-BC297960  Eriophyllum confertiflorum F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  HSC12333  Eriophyllum confertiflorum Wendell Wood 1970-6-21 21 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 Comment
  POM183627  Eriophyllum confertiflorum Joseph A. Ewan 1929-5-18 3422 Los Angeles Las Flores Canyon Comment
  POM357928  Eriophyllum confertiflorum Norman C. Cooper 1949-6-18 4213 Los Angeles Angeles Crest Highway 915 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
  UCD132154  Eriophyllum confertiflorum J. E. Law 1923-4-3 247 Los Angeles Altadena. Comment
  JEPS34717  Eriophyllum confertiflorum var. confertiflorum F. W. Peirson 1918-6-28 239 Los Angeles foot-hills e Rubio Canyon; San Gabriel Mts. 609 Comment
  RSA753999  Eriophyllum confertiflorum var. confertiflorum Anonymous 670604 Los Angeles San Gabriel Mts., Angeles National Forest, Switzers campground 1006 Comment
  UC1080189  Eriophyllum confertiflorum var. confertiflorum Sherwin Carlquist 1955-4-5 338 Los Angeles hills above San Rafael Avenue; Pasadena, Flintridge Comment
  RSA600554  Erodium botrys Louis C. Wheeler 1959-5-26 7534 Los Angeles San Gabriel Mountains: Confluence of Arroyo Seco and Prieto Canyon. Comment
  RSA656865  Erodium botrys Joseph M. Keefe 2001-1-24 31019 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  UCR231796  Erodium brachycarpum Darren T. Hasegawa 2007-6-1 s.n. Los Angeles San Gabriel Mtns., Pasadena, Devils Gate Reservoir, c. 0.5 mi. east of 210 Fwy 320 Comment
  UCR99464  Erodium brachycarpum L. C. Wheeler 1948-4-26 6636 Los Angeles Altadena. Canyon Crest Drive and Lincoln Avenue. 402 Comment
  RSA70491  Erodium cicutarium F. W. Peirson 1919-2-28 2022 Los Angeles At Frank Peirson residence, 1085 New York Drive, Altadena Comment
  UCR95470  Erodium cicutarium L. C. Wheeler 1967-3-3 9170 Los Angeles San Gabriel Mtns., Sunset Ridge, west of Chaney Trail Comment
  RSA70496  Erodium macrophyllum F. W. Peirson 1918-5-5 2024 Los Angeles along road to [Brents] on the Malibu, Santa Monica Mts. Comment
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Jun 21 2018
  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
  RSA70493  Erodium moschatum F. W. Peirson 1919-2-28 2023 Los Angeles At Frank Peirson residence, 1085 New York Drive, Altadena Comment
  SFV21138  Erodium moschatum J. M. Keefe 2001-1-24 31019 Los Angeles San Rafael Hills Pasadena. East side of Arroyo Seco, 2 m west of curb, across street from 1590 Arroyo Blvd at Howard Street. 250 Comment
  UC455741  Erysimum capitatum I. J. Condit 1907-1-3 Los Angeles Mt. Lowe Pasadena Comment
  UC50330  Erysimum capitatum H. M. Hall Apr. 1903 3744 Los Angeles Arroyo Seco Comment
  GH379533  Erysimum capitatum var. angustatum C. C. Kingman 1910-2-2 Unknown Las Flores Canyon, San Gabriel Mts. Comment
  JEPS53579  Erysimum capitatum var. capitatum Frank W. Peirson 1919-3-27 337 Los Angeles Arroyo Seco Canyon San Gabriel Mountains 411 Comment
  POM307852  Erysimum capitatum var. capitatum Henry J. Ramsey, Henry J. Ramsey 1938-3-5 2722 Los Angeles North Craig Ave., Altadena 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
  UC72726  Eschscholzia californica Pupils of Los Angeles High School June 1902 Los Angeles Altadena Comment
  RSA604202  Eucalyptus camaldulensis Louis C. Wheeler 1972-5-25 s.n. Los Angeles Cobb Estate. Comment
  RSA682604  Eucalyptus pulverulenta Valerie L. Soza, Bill Hoghead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 Comment
  UC1929778  Eucalyptus pulverulenta Valerie Soza, Bill Hogshead, Amber Maurice 2003-5-17 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson); elev. 915-1555m/3000-5100ft Comment
  RSA604201  Eucalyptus rudis Louis C. Wheeler 1972-5-25 s.n. Los Angeles Cobb Estate. Comment
  LA209963  Eucrypta chrysanthemifolia var. chrysanthemifolia Carl Epling; May 1925 Los Angeles Arroyo Seco 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
  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
  RSA656864  Euphorbia peplus Joseph M. Keefe 2001-1-24 31020 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  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
  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
  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
  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
  RSA80363  Foeniculum vulgare F. W. Peirson 1920-6-22 2164 Los Angeles Fruiting branch from New York Drive, Altadena 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
  LA207722  Frangula californica Carl Epling; May 1926 sn Los Angeles Arroyo Seco Comment
  SEINET7417481 Image available Frangula californica W. Griesel 1963-4-26 768 Los Angeles ca. 0.5 mi SE of Devils Gate Dam, Pasadena 366 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
  CAS-BOT-BC52568  Frangula californica subsp. californica R. S. Woglum 1934-6-15 s.n. Los Angeles Altadena Comment
  SBBG71291  Frangula californica subsp. californica M. N. Ackley 1928-2-12 931 Los Angeles Eaton Wash 381 Comment
  SEINET7417528 Image available Frangula californica subsp. californica Unknown 1904-1 1114 Los Angeles Pasadena Comment
  CAS-BOT-BC53323  Frangula californica subsp. cuspidata W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. 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
  POM308321  Fremontodendron mexicanum H. J. Ramsey 1937-7-12 3062 Los Angeles Altadena, dry mesa. Comment
  CAS-BOT-BC304323  Galinsoga parviflora F. W. Peirson 1931-4-11 9375 Los Angeles 1077 New York Ave, Altadena Comment
  CAS-BOT-BC304324  Galinsoga parviflora F. W. Peirson 1931-4-11 9375 Los Angeles 1077 New York Ave, Altadena Comment
  UCR18427  Galinsoga parviflora O. F. Clarke 1977-1-30 s.n. Los Angeles San Gabriel Mtns. Foothills, Pasadena [Altadena], north end of Lake Ave. Comment
  POM358609  Galinsoga parviflora var. parviflora F. W. Peirson 1931-4-11 9375 Los Angeles 1077 New York Avenue, Altadena. Comment
  UC447161  Galinsoga parviflora var. parviflora J. Ewan 1931-4-12 4162 Los Angeles Peirson's residence Altadena (back yard) Comment
  UC501447  Galinsoga parviflora var. parviflora Frank W. Peirson 1931-4-11 9375 Los Angeles 1077 New York Avenue Altadena Comment
  CHSC3677  Galium angustifolium Mary MacArthur 1966-5-26 32 Los Angeles Sivrtzers camp - San Gabriel Mts. 914 Comment
  UCD121578  Galium angustifolium A. C. Sanders; D. Malueg 1998-6-22 22021 Los Angeles San Gabriel Mtns.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE. 549 Comment
  UCR111504  Galium angustifolium A. C. Sanders, D. Malueg 1998-6-22 22021 Los Angeles San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE 549 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
  RSA654867  Galium angustifolium subsp. gabrielense A. C. Sanders, D. Malueg 1998-6-22 22026 Los Angeles San Gabriel Mtns.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Lane, and along trail to the NE. 549 Comment
  UCD121589  Galium angustifolium subsp. gabrielense A. C. Sanders; D. Malueg 1998-6-22 22026 Los Angeles San Gabriel Mts.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln, and along trail to the NE. 549 Comment
  UCR111501  Galium angustifolium subsp. gabrielense A. C. Sanders, D. Malueg 1998-6-22 22026 Los Angeles San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE 549 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
  POM183470  Galium cliftonsmithii Joseph A. Ewan 1929-5-18 1251 Los Angeles Las Flores Canyon Comment
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May 15 2009
  CAS-BOT-BC217511  Galium grande A. J. McC 1893-7-29 120 Los Angeles Pasadena 1219 Comment
  UCR111735  Galium murale A. C. Sanders, D. Malueg 1998-6-22 22019 Los Angeles San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE 549 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
  UC447162  Gamochaeta pensylvanica J. Ewan 1931-4-12 4160 Los Angeles Peirson's residence, backyard Altadena Comment
  UCR129779  Gamochaeta pensylvanica L. C. Wheeler 1936-3-8 4080 Los Angeles San Gabriel Mtns, Millard Canyon 457 Comment
  LA40320  Garrya flavescens Martha Hilend; 1929-5-14 sn Los Angeles San Gabriel Mountains, Mount Lowe Comment
  RSA682125  Garrya flavescens var. pallida Valerie L. Soza, Bill Hoghead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 Comment
  CAS-BOT-BC123871  Garrya veatchii George Bernard Grant May s.n. Los Angeles Mt. Lowe. Echo Mt. Comment
  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-BC158016  Garrya veatchii Vernon Bailey 1907-9-25 s.n. Los Angeles Mt. Lowe 1524 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
  GH401975  Garrya veatchii J. T. Howell 1928-2-18 3350 Unknown Trail to Switzer's Arroyo Seco, San Gabriel Mts. 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
  RSA391429  Garrya veatchii I. M. Johnston 1925-4-10 s.n. Los Angeles Mt. Lowe. 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
  RSA392405  Garrya veatchii Bonnie C. Templeton 1959-5-9 s.n. Los Angeles On Angeles Crest Highway between Mill Creek Road Junction and Red Box Gap, 1220 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
  RSA397374  Garrya veatchii Bonnie C. Templeton 1956-4-22 7685 Los Angeles Along Angeles Crest Hwy, below Mt. Wilson turnoff, San Gabriel Mtns. 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
  RSA89604  Garrya veatchii R. M. Beeks 1951-6-12 192 Los Angeles Angeles Crest Hwy, San Gabriel Mts, 3 miles below Redbox. 915 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
  SJSU3877  Garrya veatchii C. W. Sharsmith 1964-1-1 7176 Los Angeles near head of Bear Canyon (Arroyo Seco drainage), San Gabriel Mts 1066 Comment
  SJSU3879  Garrya veatchii C. W. Sharsmith 1964-1-1 7175 Los Angeles near head of Bear Canyon (Arroyo Seco drainage), San Gabriel Mts 1066 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
  POM355352  Gayophytum oligospermum Fordyce Grinnell Jr. 1910-6-4 s.n. Los Angeles San Gabriel Mountains Comment
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Feb 3 2011
  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
  SFV20698  Genista monspessulana S. Kimball 1999-4-30 60 Los Angeles Pasadena, Arroyo Seco. Trail along cement channel of stream. 300 Comment
  SBBG39911  Gilia achilleifolia subsp. multicaulis W. G. Webb 1935-4-17 Los Angeles Arroyo Seco Comment
  PASA778  Gilia capitata J. E. Giguette May, '26 Los Angeles Flintridge 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
  POM50889  Gnaphalium californicum L. R. Abrams 1901-4-7 1426 Los Angeles Devil's Gate. 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-BC305274  Grindelia hirsutula F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 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-BC307282  Hazardia squarrosa var. grindelioides Fordyce Grinnell 1915-9-6 s.n. Los Angeles Jumbo Knob, San Rafael Hills near Pasadena 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
  POM359473  Hazardia squarrosa var. grindelioides Geo L. Moxley 1914-9-3 259 Los Angeles San Rafael Hills, near Pasadena 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
  RSA80682  Helianthemum scoparium F. W. Peirson 1920-4-22 115 Los Angeles foothill of Rubio Canyon 533 Comment
  CAS-BOT-BC305434  Helianthus annuus F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  CAS-BOT-BC305435  Helianthus annuus 1901-3-9 s.n. Los Angeles Altadena Comment
  JEPS35467  Helianthus annuus F. W. Peirson 1919-3-11 326 Los Angeles first canyon e Rubio Canyon; San Gabriel Mts. 548 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
  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
  CHSC3722  Heteromeles arbutifolia Sue Boergadine 1966-5-26 Los Angeles Switzer's Camp. Comment
  HSC12393  Heteromeles arbutifolia Wendell Wood 1970-6-21 23 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 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
  CAS-BOT-BC318863  Heterotheca grandiflora F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 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
  JEPS41667  Heuchera caespitosa Frank W. Peirson 1918-6-10 67 Los Angeles n of Pasadena (n slope of Mt. Lowe near the summit); San Gabriel Mountains, Mt. Lowe 1676 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-BC317341  Heuchera elegans W. R. Dudley 1900-7-9 s.n. Los Angeles Mount Lowe Comment
  CAS-BOT-BC48126  Heuchera elegans Geo. B. Grant 1906-6-1 570 Los Angeles So. Calif. - Summit of Mt. Lowe 1828 Comment
  CAS-BOT-BC48129  Heuchera elegans W. R. Dudley 1899-7-20 s.n. Los Angeles Mount Lowe Comment
  CAS-BOT-BC48168  Heuchera elegans Mrs. Joseph Clemens 1922-5-30 s.n. Los Angeles Mt. Lowe Comment
  CAS-BOT-BC48174  Heuchera elegans Geo. B. Grant 1901-1-1 570 Los Angeles So. Calif. - Summit of Mt. Lowe 1828 Comment
  CAS-BOT-BC48175  Heuchera elegans Geo. B. Grant 1906-6-1 570 Los Angeles So. Calif. - Summit of Mt. Lowe 1828 Comment
  JEPS26538  Heuchera elegans Peter Kamb 1947-6-1 599 Los Angeles n slope of Mt Disappointment; San Gabriel Mts 1463 Comment
  PASA2230  Heuchera elegans Frank W. Peirson 1922-5-30 Los Angeles West spur of Mt. Lowe 1341 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
  SBBG98225  Heuchera elegans G. B. Grant -Jun-1906 570 Los Angeles Mt Lowe Comment
  SEINET3161012  Heuchera elegans G. B. Grant 570 Los Angeles Summit of Mt. Lowe, S. CA 1829 Comment
  UC457281  Heuchera elegans Martha Hilend 1929-5-14 Los Angeles Mt. Lowe Comment
  UC494222  Heuchera elegans Thomas R. Gaines Los Angeles Mt. Lowe 1584 Comment
  UC50197  Heuchera elegans Geo. B. Grant June 1906 570 Los Angeles summit of Mt. Lowe; Pacific Caost, Mt. Lowe 1828 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-BC319764  Hieracium argutum F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Upper Millards Canyon, San Gabriel Mountains Comment
  CAS-BOT-BC319765  Hieracium argutum F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena, San Gabriel Mountains Comment
  CAS-BOT-BC319766  Hieracium argutum F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Upper Millards Canyon, San Gabriel Mountains Comment
  POM21164  Hieracium argutum Fordyce Grinnell Jr 1917-7-29 s.n. Los Angeles Upper Millard's Canyon, 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
  RSA482871  Hirschfeldia incana Howard Mullins 1931-4-19 s.n. Los Angeles Chevy Chase, Flintridge 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
  RSA85264  Holodiscus discolor F. W. Peirson 75 Los Angeles Montana St. Pasadena 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-BC149942  Holodiscus discolor var. discolor W. R. Dudley 1900-7-9 s.n. Los Angeles Mount Low, San Gabriel Mts. Comment
  CAS-BOT-BC149945  Holodiscus discolor var. discolor C. S. Morris 1908-6-15 113 Los Angeles Summit Mt. Lowe, N. slope Comment
  CAS-BOT-BC149946  Holodiscus discolor var. discolor Grant 1904-6-26 s.n. Los Angeles Mt. Lowe Comment
  CAS-BOT-BC149959  Holodiscus discolor var. discolor Grant 1904-6-5 6275 Los Angeles Milland Canyon Comment
  RSA85267  Holodiscus microphyllus F. W. Peirson s.n. Los Angeles Mt. Lowe, San Gabriel Mountains. Comment
  SEINET10717814  Hordeum Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2502 Los Angeles City of Pasadena. Vartan Family Grocery, 1511 E. Washington Blvd. 270 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
  RSA87060  Hordeum murinum subsp. glaucum F. W. Peirson 1918-04 1605 Los Angeles New York Drive, Altadena Comment
  POM307812  Horkelia cuneata subsp. puberula Henry J. Ramsey 1938-3-5 2748 Los Angeles North Craig Ave., Altadena Comment
  POM366515  Horkelia cuneata subsp. puberula Geo. L. Moxley 1915-7-5 355 Los Angeles Ridge between Arroyo Seco and Millard's Canyons. Comment
  POM50166  Horkelia cuneata subsp. puberula L. R. Abrams 1901-04 s.n. Los Angeles Devil's Gate 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
  RSA85202  Horkelia cuneata subsp. puberula F. W. Peirson 1919-4-5 362 Los Angeles Allen Ranch near Eaton Canyon, south base of the San Gabriel Mountains Comment
Read comments
Sep 10 2014
  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
  SBBG68135  Hosackia oblongifolia var. oblongifolia M. N. Ackley 1927-6-5 537 Los Angeles trail to Switzerland 762 Comment
  CAS-BOT-BC311943  Hulsea heterochroma W. R. Dudley 1900-7-9 s.n. Los Angeles Mt. Lowe 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
  UCR231782  Isomeris arborea Darren T. Hasegawa 2007-6-1 s.n. Los Angeles San Gabriel Mtns, Pasadena, c. 1 mile north of Rose Bowl 305 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
  SFV16168  Juglans californica var. californica P. A. Krueger 1994-5-18 42 Los Angeles San Gabriel Mountains 3 miles north on Mount Lowe Truck Trail from Chaney Trail. 1000 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
Read comments
Dec 7 2018
  UC1971179  Juncus bufonius Louis C. Wheeler 1973-5-5 Los Angeles San Gabriel Mountains: Mill Canyon 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
  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
  A365744  Keckiella cordifolia F. Grinnell, Jr. 1917-7-29 Unknown Upper Millards Canon. San Gabriel Mountains Comment
  CAS-BOT-BC235738  Keckiella cordifolia F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Upper Millards Canon [Canyon], San Gabriel Mountains Comment
  CAS-BOT-BC235761  Keckiella cordifolia F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  GH365736  Keckiella cordifolia G. B. Grant 1901-06-01 - 1901-07-01 1935 Unknown Altadena Comment
  HSC12392  Keckiella cordifolia Wendell Wood 1970-6-21 19 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 Comment
  JEPS11571  Keckiella cordifolia Frank W. Peirson 1918-6-28 205 Los Angeles e of Rubio Canyon; San Gabriel Mountains 609 Comment
  POM308403  Keckiella cordifolia Henry J. Ramsey, Henry J. Ramsey 1937-12-7 3117 Los Angeles Altadena, North Craig Avenue. 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
  RSA79774  Keckiella cordifolia F. W. Peirson 205 Los Angeles Mt. Lowe, San Gabriel Mountains. 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
  NY790439  Keckiella ternata subsp. ternata A. J. McClatchie 1893-6-28 s.n. Los Angeles Mt. Lowe, near Altadena Comment
  POM155817  Keckiella ternata subsp. ternata M. L. Bryan 1928-4-17 97 Los Angeles Mt. Lowe, San Gabriel Mountains. Comment
  POM21347  Keckiella ternata subsp. ternata Fordyce Griffiths Jr. 1917-7-29 s.n. Los Angeles Mt. Lowe, San Gabriel Ridge. 1616 Comment
  POM308422A  Keckiella ternata subsp. ternata Henry J. Ramsey, Henry J. Ramsey 1937-9-2 3098 Los Angeles Ladybug Canyon, Angeles Crest Highway. Comment
  RSA400467  Keckiella ternata subsp. ternata Fordyce Griffiths Jr. 1910-06 3506 Los Angeles West Fork divide, San Gabriel Mountains. Comment
  RSA400476  Keckiella ternata subsp. ternata Unspecified 1983-7-18 2776 Los Angeles San Gabriel Mountains, Angeles Crest Highway at the junction of the Mt. Wilson turnoff. 1463 Comment
  RSA639154  Keckiella ternata subsp. ternata Louis C. Wheeler 1973-7-21 s.n. Los Angeles San Gabriel Mountains: Ridge on divide between Big Tujunga and Devil Canyon 0.2 mile north of windy gap on Angeles Crest Highway. 1616 Comment
  CAS-BOT-BC246114  Keckiella ternata var. ternata Geo. B. Grant 1904-6-27 1796 Los Angeles Mt. Lowe 1828 Comment
  CAS-BOT-BC246116  Keckiella ternata var. ternata F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Mt. Lowe, San Gabriel Ridge, San Gabriel Mountains 1615 Comment
  CAS-BOT-BC246117  Keckiella ternata var. ternata W. R. Dudley 1900-7-9 s.n. Los Angeles Near summit of Mt. Lowe, San Gabriel Mountains Comment
  UCD123781  Keckiella ternata var. ternata Louis C. Wheeler 1973-7-21 s.n. Los Angeles San Gabriel Mountains: Ridge on divide between Big Tujunga and Devil Canyon 0.2 mile north of windy gap on Angeles Crest Highway. 1615 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
  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
  RSA87132  Lamarckia aurea F. W. Peirson 1918-04 1554 Los Angeles New York Drive, Altadena Comment
  UCD63296  Lamarckia aurea J. E. Law 1923-3-18 250 Los Angeles Altadena. 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
  RSA656863  Lantana montevidensis Joseph M. Keefe 2001-1-24 31021 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  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
  CAS-BOT-BC352719  Lasthenia coronaria Geo. B. Grant 1901-3-24 15615 Los Angeles Rubio Wash Comment
  JEPS9911  Lasthenia coronaria Frank W. Peirson 1919-3-27 330 Los Angeles Arroyo Seco Canyon San Gabriel Mountains, Arroyo Seco Canyon 411 Comment
  UC75846  Lasthenia coronaria unknown May 1901 99 Los Angeles Altadena 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
  UCSB3107  Lathyrus vestitus var. alefeldii Wedberg, Lee 1954-4-26 Los Angeles Devil's Gate Dam, Pasadena 243 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
  RSA405698  Lathyrus vestitus var. vestitus I. M. Johnston 1922-4-10 s.n. Los Angeles Mt. Lowe Comment
  RSA406662  Lathyrus vestitus var. vestitus L. E. Hoffman s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
Read comments
Jan 1 2017
  CAS-BOT-BC221609  Lepechinia fragrans F. Grinnell Jr. 1910-6-11 s.n. Los Angeles Switzers Trail, San Gabriel Mts. 1066 Comment
  LA64420  Lepechinia fragrans J. A. Ewan; 1929-7-11 2060 Los Angeles San Gabriel Mountains, near Switzers Camp 914 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
  RSA741093  Lepechinia fragrans Justin M. Wood 2008-11-21 243 Los Angeles Above La Canada, off of ANF Road (2N76). 985 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
  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
  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
  RSA624578  Lepidium didymum L. C. Wheeler 1973-4-9 s.n. Los Angeles Millard Canyon; approx. national forest boundary Comment
  CHSC95806  Lepidium latifolium LeRoy Gross 2002-10-5 668 Los Angeles Transverse Ranges: San Gabriel-Verdugo Mountains Region: Devils Gate Reservoir, northeast of the San Rafael Hills, in the Arroyo Seco river channel. Just west of the city of Altadena. 335 Comment
  RSA670280  Lepidium latifolium LeRoy Gross 2002-10-5 668 Los Angeles Devils Gate Reservoir, northeast of the San Rafael Hills, in the Arroyo Seco river channel. Just west of the city of Altadena. 335 Comment
  SFV21022  Lepidium latifolium L. Gross 2002-10-5 668 Los Angeles Devils Gate Reservoir, northeast of the San Rafael Hills, in the Arroyo Seco, just west of Altadena. 335 Comment
  UC1870182  Lepidium latifolium LeRoy Gross 2002-10-5 668 Los Angeles Transverse Ranges: San Gabriel-Verdugo Mountains Region: Devils Gate Reservoir, northeast of the San Rafael Hills, in the Arroyo Seco river channel. Just west of the city of Altadena 335 Comment
  UCR141501  Lepidium latifolium LeRoy Gross 2002-10-5 668 Los Angeles Transverse Ranges: San Gabriel-Verdugo Mtns, Devil's Gate Reservoir, NE of the San Rafael Hills, in the Arroyo Seco river channel, just west of the city of Altadena 335 Comment
  CAS-BOT-BC12983  Lepidium virginicum Ramsay Mar. 20 s.n. Los Angeles Foothills. Rubio Canyon. Comment
  CAS-BOT-BC60046  Lepidium virginicum var. menziesii F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena. 457 Comment
  POM307838  Lepidium virginicum var. robinsonii Henry J. Ramsey 1938-1-9 2763 Los Angeles North Craig Ave., Altadena 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-BC328078  Lepidospartum squamatum Ernest Braunton 1902-9-1 695 Los Angeles Arroyo Seco 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
  PASA1349  Lepidospartum squamatum Frank W. Peirson 1919-10-20 Los Angeles Brae-Burn Road near the Rubio stream bed. Altadena Comment
  POM305225  Lepidospartum squamatum Henry J. Ramsey, Henry J. Ramsey 1937-8-23 489 Los Angeles Altadena. 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
  UC53936  Lepidospartum squamatum Ernest Braunton 1902-9-1 695 Los Angeles Arroyo Seco 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
  PASA2012  Leptodactylon californicum Loletta Hiebert Los Angeles Rubio Canyon 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
  CLARK-A1528-1365  Leptodactylon californicum subsp. glandulosum Robin L. Kobaly 1972-5-17 RLK 720517 Los Angeles San Gabriel Mountains 365 Comment
  JEPS69845  Leptodactylon californicum subsp. glandulosum Frank W. Peirson 1918-5-19 158 Los Angeles Echo Mountain; San Gabriel Mts., Echo Mountain 1005 Comment
  CAS-BOT-BC339274  Lessingia glandulifera var. glandulifera Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  CAS-BOT-BC339284  Lessingia glandulifera var. glandulifera Ernest Braunton 1902-9-1 694 Los Angeles Arroyo Seco Comment
  UC63388  Lessingia glandulifera var. glandulifera Ernest Braunton 1902-9-1 694 Los Angeles Arroyo Seco 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
  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
  CAS-BOT-BC226749  Linanthus californicus Geo. B. Grant 1900-4-11 s.n. Los Angeles Alpine Tavern, Mt. Lowe 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
  CAS-BOT-BC226768  Linanthus californicus F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 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
  HSC12389  Linanthus californicus Wendell Wood 1970-6-20 18 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 Comment
  LA88297  Linanthus californicus O. H. Kappler; 1925-6-7 1461 Los Angeles San Gabriel Mountains, Mount Wilson area, along Angeles Crest Hwy 1523 Comment
  RSA468423  Linanthus californicus B. C. Templeton 1959-5-9 s.n. Los Angeles On Angeles Crest Highway between Mill Creek Road Junction and Red Box Gap, 1220 Comment
  RSA468429  Linanthus californicus Fordyce Grinnell Jr. 1910-06 s.n. Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  RSA468437  Linanthus californicus Martha Hilend 1929-5-14 s.n. Los Angeles Mt. Lowe. 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
  SD114159  Linanthus californicus Darley F. Howe 1953-5-31 2296 Los Angeles Arroyo Seco, Angeles Crest Highway, San Gabriel Mountains. 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
  RSA595620  Linanthus concinnus L. C. Wheeler 1970-5-24 s.n. Los Angeles San Gabriel Mountains: Saddle between Mt. Markham and Mt. Lowe. 1615 Comment
  RSA679921  Linanthus concinnus LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 930 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1). 1631 Comment
  RSA73012  Linanthus concinnus F. W. Peirson 365 Los Angeles Summit of Mt. Lowe. 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
  POM308353  Linaria bipartita Henry J. Ramsey, Henry J. Ramsey 1937-3-21 3030 Los Angeles Altadena. Comment
  RSA80175  Linaria canadensis F. W. Peirson 187 Los Angeles Burned area east of Rubio Canyon 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
  CAS-BOT-BC432206  Lithophragma bolanderi G. B. Grant 1906-6-10 s.n. Los Angeles Castle Canyon, Mt. Lowe 1219 Comment
  CAS-BOT-BC432207  Lithophragma bolanderi Geo. B. Grant 1906-6-10 6675 Los Angeles Mt. Lowe, Castle Canyon 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
  GH363848  Lithophragma heterophyllum O. D. Allen 1885-04-01 - 1885-05-01 Unknown Millard's Canon, Sierra Nevada Mts. 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
  UCSB33630  Lobelia dunnii Griesel, Wesley 1961-9-2 Los Angeles Switzers Camp, San Gabriel Mts. 762 Comment
  POM21369  Lobelia dunnii var. serrata Fordyce Grinnell Jr. 1917-7-29 s.n. Los Angeles Upper Millard's Canyon, San Gabriel Mountains. 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
  RSA0031846  Lobularia maritima Geraldine Dodd 1992-5-2 003 Los Angeles 2 miles north of corner of Loma Alta Dr. & Lake Ave. in Altadena. Sam Merrill hiking trail. 975 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
  RSA656862  Lolium perenne Joseph M. Keefe 2001-1-24 31022 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  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
  UC73337  Lomatium lucidum Geo. B. Grant 1901-1 429 Los Angeles Altadena 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
  CAS-BOT-BC234861  Lonicera subspicata var. denudata W. R. Dudley 1900-7-9 s.n. Los Angeles Mount Lowe, San Gabriel Mts. Comment
  CHSC22036  Lonicera subspicata var. denudata Robert A. Schlising 1971-7-10 2995 Los Angeles 0.8 mi W of Red Box Jct to Mt. Wilson, along Angeles Crest Highway (Hwy 2). Comment
  HSC3951  Lonicera subspicata var. denudata C. E. Fellows 1965-9-7 142 Los Angeles 3 mi. from intersection of Angeles Crest Hwy. and Angeles Forest Hwy. on Angeles Crest Hwy. 1220 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
  RSA455377  Lonicera subspicata var. denudata G. D. Wallace 1965-7-18 s.n. Los Angeles Angeles Crest Hwy, 2 miles past Switzer Park . Comment
  RSA455380  Lonicera subspicata var. denudata Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena Comment
  RSA455381  Lonicera subspicata var. denudata George B. Grant 1904-6-15 s.n. Los Angeles Canyons, Pasadena Comment
  RSA656860  Lonicera subspicata var. denudata Joseph M. Keefe 2001-1-24 31024 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  RSA656861  Lonicera subspicata var. denudata Joseph M. Keefe 2001-1-24 31023 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  UC532165  Lonicera subspicata var. denudata L. F. Robbins July 1927 Los Angeles near Altadena Comment
  UCR23218  Lotus argophyllus Polly Schiffman 1981-5-23 024 Los Angeles Angeles National Forest, San Gabriel Mtns: 0.5 mi north of Red Box Ranger Station and 20 mi north of La Canada-Flintridge on Angeles Crest Hwy 1601 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
  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
  RSA682117  Lotus nevadensis var. davidsonii Valerie L. Soza, Bill Hogshead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 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
  RSA670800  Lotus purshianus var. purshianus Joseph M. Keefe 2001-1-24 31026 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  JEPS55921  Lotus salsuginosus F. W. Peirson 1918-6-4 94 Los Angeles hills e Rubio Canyon; San Gabriel Mts. 609 Comment
  RSA0031844  Lotus scoparius Geraldine Dodd 1992-5-9 006 Los Angeles 3 miles north of corner of Loma Alta Dr. & Lake Ave. in Altadena. Sam Merrill hiking trail. San Gabriel Mts. 1066 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
  RSA656859  Lotus scoparius var. brevialatus Joseph M. Keefe 2001-1-24 31025 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  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
  JEPS55866  Lotus strigosus F. W. Peirson 1918-6-4 97 Los Angeles e of Rubio Canyon; San Gabriel Mts. 609 Comment
  POM50639  Lotus strigosus L. R. Abrams 1901-04 1287 Los Angeles Devil's Gate 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
  RSA406433  Lotus unifoliolatus D. S. Krause 1939-07 s.n. Los Angeles Open fields in foothills, La Canada Comment
  RSA90343  Lotus wrangelianus F. W. Peirson 1918-5-5 4072 Los Angeles along road to [Brents] on the Malibu, Santa Monica Mts. 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
  GH366777  Lupinus arboreus J. G. Lemmon 89 [?] Unknown Lowe Mountain 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
  RSA738069  Lupinus excubitus K. Crawford 1949-5-22 152 Los Angeles San Rafael Mts 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
  UCR231787  Lupinus excubitus Darren T. Hasegawa 2007-6-1 s.n. Los Angeles San Gabriel Mtns., Pasadena, Devils Gate Reservoir, c. 0.5 mi. east of 210 Fwy 320 Comment
  RSA407098  Lupinus excubitus var. austromontanus Anstruther Davidson 1893-6-12 s.n. Los Angeles Mt. Disappointment. 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
  RSA406945  Lupinus latifolius var. latifolius Fordyce Grinnell Jr. 1910-07 s.n. Los Angeles Switzer's Camp, San Gabriel Mountains 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-BC211722  Lupinus longifolius Wesley O. Griesel 1961-5-19 s.n. Los Angeles State Highway #2, La Canada burn, San Gabriel Mts. 609 Comment
  GH369051  Lupinus longifolius C. C. Kingman 1910-2-11 Unknown Altadena 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
  RSA529893  Lupinus longifolius T. S. Ross 1991-8-16 5797 Los Angeles Woodwardia canyon, San Gabriel Mtns (N of Pasadena) 819 Comment
  UCR23221  Lupinus longifolius Polly Schiffman 1981-5-23 022 Los Angeles Angeles National Forest, San Gabriel Mtns: 0.5 mi north of Red Box Ranger Station and 20 mi north of La Canada-Flintridge on Angeles Crest Hwy 1601 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
  CHSC26204  Lupinus polycarpus G. R. Jaffray Jr. 1961-2-12 Los Angeles Altadena. 304 Comment
  UCR111503  Lupinus sparsiflorus A. C. Sanders, D. Malueg 1998-6-22 22024 Los Angeles San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE 549 Comment
  RSA679914  Lupinus stiversii LeRoy Gross, Sarah J. De Groot 2003-5-17 922 Los Angeles Mt. Lowe fire road (2N50.1) 1402 Comment
  RSA86965  Lupinus stiversii F. W. Peirson 1921-5-3 2405 Los Angeles Ridge Westward from Mt. Lowe near pint where the trail from Millard's Canyon crosses it, San Gabriel Mts 1296 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
  RSA435927  Mahonia dictyota Fordyce Grinnell Jr. 1910-3-19 S.N. Los Angeles Switzers trail. San Gabriel Mountains 762 Comment
  RSA452616  Mahonia dictyota Fordyce Grinnell Jr. 1910-6-11 S.N. Los Angeles Switzers trail. San Gabriel Mountains 1067 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
  RSA435922  Mahonia pinnata Luellapearl Hammer 1929-04 S.N. Los Angeles Sandy slope, Arroyo Seco Comment
  RSA306273  Malacothamnus fasciculatus Henry J. Ramsey, Mrs. Ramsey 1938-5-22 1406 Los Angeles North Craig Ave., Altadena. Comment
  RSA308299  Malacothamnus fasciculatus Henry J. Ramsey, Henry J. Ramsey 1937-5-16 3084 Los Angeles Altadena, N. Craig Ave. Comment
  RSA434308B  Malacothamnus fremontii Bonnie C. Templeton 1926-3-18 s.n. Los Angeles Arroyo Seco. Comment
  CAS-BOT-BC345413  Malacothrix clevelandii Geo. B. Grant 1906-6-10 6668 Los Angeles Mt Lowe, Pasadena Comment
  CAS-BOT-BC345415  Malacothrix clevelandii Geo. B. Grant 1906-6-10 6668 Los Angeles Mt Lowe, Castle Canyon Trail 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
  RSA656858  Malacothrix saxatilis var. tenuifolia Joseph M. Keefe 2001-1-24 31027 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  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
  GH347003  Malosma laurina W. T. Gillis 1978-7-29 14855 Unknown north of Altadena, Las Flores Canyon, Cobb Estate, foothills of San Gabriel Mts. Comment
  HSC12386  Malosma laurina Wendell Wood 1970-6-21 22 Los Angeles Linda Vista Rd. and Chevy Chase, Glendale. 366 Comment
  JEPS66249  Malosma laurina Frank W. Peirson 1918-6-28 105 Los Angeles Lower Rubio Canyon San Gabriel Mts., Lower Rubio Canyon 609 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
  RSA602764  Malosma laurina L. C. Wheeler 1972-12-24 12799 Los Angeles San Gabriel Mountains: Las Flores Canyon. 823 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
  RSA76947  Malosma laurina F. W. Peirson 1920-7-13 105 Los Angeles along wash land by Rubio Canyon stream; Altadena 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
  UCR239900  Malosma laurina O. F. Clarke 2004-5-24 s.n. Los Angeles San Gabriel Mtns. Foothills, Lake Ave., Pasadena 553 Comment
  UCSB3623  Malosma laurina Kamb, Peter 1948-1-10 Los Angeles Upper Sonoran Zone; Millards Canyon, San Gabriel Mts. 762 Comment
  RSA608756  Malus sylvestris Louis C. Wheeler 1963-10-13 8406 Los Angeles Altadena: 47 E. Pine Street. 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
  RSA657472  Marah macrocarpa Joseph M. Keefe 2001-1-24 31029 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  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
  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
  RSA82530  Marrubium vulgare F. W. Peirson 1920-4-22 1048 Los Angeles At 1085 New York Drive, Altadena. Comment
  UCR219243  Marrubium vulgare Lorraine Weller 2010-8-17 010910- 01 Los Angeles Altadena Community Garden, corner of Lincoln Ave. & Palm St., Altadena 395 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-BC422753  Meconella denticulata Geo. B. Grant 1900-4-12 s.n. Los Angeles Mt Lowe, Castle Canon [Canyon] Comment
  JEPS51534  Meconella denticulata Frank W. Peirson 1918-5-19 36 Los Angeles Millards Canyon San Gabriel Mtns 609 Comment
  LA206251  Meconella denticulata Carl Epling; May 1926 sn Los Angeles Arroyo Seco Comment
  UC1178663  Meconella denticulata Peter Kamb 1947-5-25 536 Los Angeles near Sunset Ridge Guard station; San Gabriel Mtns, Millard Canyon 670 Comment
  CAS-BOT-BC281521  Melica imperfecta L. A. Greata 1900-4-11 s.n. Los Angeles Mt Lowe 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
  POM357044  Melica imperfecta George R. Johnstone 1925-4-11 s.n. Los Angeles Mt. Lowe Comment
  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
  RSA679918  Melica imperfecta LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 927 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1). 1631 Comment
  RSA87337  Melica imperfecta F. W. Peirson 1922-5-30 5365 Los Angeles Dawn Station, Mt. Lowe, San Gabriel Mountains. Comment
  RSA87457  Melica imperfecta F. W. Peirson 1918-04 1569 Los Angeles Altadena. 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
  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
  RSA679924  Mentzelia montana LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 933 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1). 1631 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
  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
  RSA82099  Mimulus aurantiacus Unspecified 1920-4-22 4494 Los Angeles Rubio Canyon, south base of San Gabriel Mountains. 534 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
  GH367079  Mimulus aurantiacus var. pubescens G. B. Grant 1904-5-24 286 Unknown Altadena Comment
  HSC12517  Mimulus aurantiacus var. pubescens Wendell Wood 1970-6-20 12 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 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
  RSA439240  Mimulus aurantiacus var. pubescens Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena. 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
  POM43813  Mimulus brevipes Martin 1903-6-3 s.n. Los Angeles Rubio Canyon, Mt. Lowe. Comment
  RSA102534  Mimulus brevipes C. S. Williamson 1901-7-24 s.n. Los Angeles Mt. Lowe. Comment
  RSA420383  Mimulus brevipes G. R. Johnstone 1925-4-10 s.n. Los Angeles Mt. Lowe. 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
  RSA420673  Mimulus cardinalis Fordyce Grinnell Jr. 1910-06 3466 Los Angeles West Fork divide, San Gabriel Mountains. Comment
  RSA80121  Mimulus cardinalis F. W. Peirson 1910-08 194 Los Angeles Mt. Lowe, San Gabriel Mountains. 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
  UC56258  Mimulus cardinalis Ernest Braunton July 1902 549 Los Angeles Arroyo Seco 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
  UCR231788  Mimulus cardinalis Darren T. Hasegawa 2007-6-1 s.n. Los Angeles San Gabriel Mtns, Pasadena, c. 1 mile north of Rose Bowl 305 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
  RSA80496  Mimulus fremontii var. fremontii F. W. Peirson 1905-5-28 1122 Los Angeles Rubio Canyon wash above New York Ave., Altadena. Comment
  LA209384  Mimulus guttatus Carl Epling; May 1926 sn Los Angeles Arroyo Seco Comment
  LA209386  Mimulus guttatus Carl Epling; M. Epling May 1920 sn Los Angeles Pasadena, Arroyo Seco Comment
  RSA80120  Mimulus johnstonii F. W. Peirson 1920-6-10 196 Los Angeles Divide between Mt. Lowe and Mt. Markham 1646 Comment
  RSA0035190  Mimulus longiflorus Geraldine Dodd 1992-5-9 7 Los Angeles 3 miles north of the corner of Loma Alta Dr. and Lake Ave. in Altadena. Sam Merrill hiking trail. San Gabriel Mts. 1066 Comment
  JEPS11362  Mimulus nasutus F. W. Peirson 1918-5-19 197 Los Angeles back of Altadena; San Gabriel Mts., Millards Canyon 762 Comment
  POM306773  Mimulus pilosus Henry J. Ramsey, Henry J. Ramsey 1937-9-2 1624 Los Angeles Ladybug Canyon, Angeles Crest Highway. 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
  CAS-BOT-BC388664  Minuartia douglasii Geo. B. Grant 1906-6-10 6669 Los Angeles Mt Lowe, Castle Canyon Trail 1219 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
  SEINET3152588  Monardella breweri subsp. lanceolata G. B. Grant 796 -A Los Angeles Mt. Lowe. Comment
  SEINET892770  Monardella breweri subsp. lanceolata G. B. Grant 1903-1 796 -a Los Angeles Mt. Lowe. No other locality information specified 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
  RSA65202  Mucronea californica F. W. Peirson 1951-1 1778 Los Angeles Rubio Wash, Altadena Comment
  CAS-BOT-BC262698  Muhlenbergia californica W. R. Dudley 1899-7-1 s.n. Los Angeles Near Alpine Tavern, Mount Lowe 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
  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
  GH355839  Muhlenbergia microsperma G. B. Grant 1901-06-01 - 1901-07-01 Unknown Altadena, Cal. Comment
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Jul 4 2012
  UC76934  Muhlenbergia microsperma Geo. B. Grant June 1901 801 Los Angeles Altadena 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
  UC821970  Nassella lepida Agnes Chase Apr 12 1910-Apr 15 1910 5559 Los Angeles near mouth of Rubio Canyon (base of mt); Echo Mt. Comment
  UC822010  Nassella pulchra Agnes Chase 1910-4-18 5589 Ventura hillside facing sea 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
  RSA75129  Nemacladus pinnatifidus F. W. Peirson 1918-6-12 219 Los Angeles In area recently burned over, in hills east of Rubio Canyon, San Gabriel Mts. 548 Comment
  JEPS5226  Nemacladus ramosissimus Frank W. Peirson 1918-6-4 220 Los Angeles foothills e. of Rubio Canyon; San Gabriel Mountains 609 Comment
  JEPS78508  Nemacladus ramosissimus Frank W. Peirson 1918-6-4 220 Los Angeles foothills e. of Rubio Canyon; San Gabriel Mountains 609 Comment
  RSA75121  Nemacladus ramosissimus F. W. Peirson 1918-6-4 220 Los Angeles Burned area in Hlls east of Rubio Canyon 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
  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
  CAS-BOT-BC231564  Nicotiana glauca J. H. Thomas 1956-9-29 6460 Los Angeles Pasadena. Behind Devil's Gate Dam Comment
  CAS-BOT-BC231565  Nicotiana glauca Jean L. Pawek 1964-9-14 626 Los Angeles San Gabriel Mountains, near Switzer Camp 914 Comment
  HSC12516  Nicotiana glauca Wendell Wood 1970-6-17 11 Los Angeles Linda Vista Rd. & Chevy Chase, Glendale 366 Comment
  JEPS12500  Nicotiana glauca Frank W. Peirson 1919-3-27 352 Los Angeles Arroyo Seco; San Gabriel Mountains 381 Comment
  POM305054  Nicotiana glauca Henry J. Ramsey, Henry J. Ramsey 1937-1-2 366 Los Angeles Altadena. 396 Comment
  POM306268  Nicotiana glauca Henry J. Ramsey, Henry J. Ramsey 1938-1-2 1411 Los Angeles North Craig Ave., Altadena. Comment
  POM307173  Nicotiana glauca Henry J. Ramsey, Henry J. Ramsey 1937-8-29 2097 Los Angeles Altadena. 396 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
  POM13161  Oenothera laciniata P. A. Munz 1922-7-17 6127 Los Angeles Pasadena. New York Ave. Comment
  RSA75430  Oenothera laciniata F. W. Peirson 1922-6-14 3093 Los Angeles 1085 New York Drive, Altadena. Comment
  UC218024  Oenothera laciniata P. A. Munz 1922-7-17 6127 Los Angeles New York Ave. Pasadena Comment
  UC873993  Oenothera laciniata P. A. Munz 1922-7-17 6127 Los Angeles New York Ave. Pasadena 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
  RSA612187  Opuntia littoralis L. C. Wheeler 1972-4-19 s.n. Los Angeles San Gabriel Mountains: Las Flores Canyon. Comment
  JEPS11683  Orobanche bulbosa Frank W. Peirson 1919-5-14 417 Los Angeles e. trail Mt. Lowe; San Gabriel Mts., Mt. Lowe 1295 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
  UC174039  Oxalis albicans subsp. pilosa G. B. Grant 1901-5-9 8378 Los Angeles Altadena 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
  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
  RSA686728  Pellaea andromedifolia L. E. Hoffman 1931-11-25 s.n. Los Angeles Millard's Canyon Comment
  CAS-BOT-BC67582  Pellaea mucronata Parish 1901-3-24 3644 Los Angeles Rubio Wash 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
  UC1795033  Pellaea mucronata subsp. mucronata Ruth Kirkpatrick 2001-7-30 1079 Los Angeles San Gabriel Mountains at Red Box Picnic Area on Angeles Crest Hwy (Hwy 2), Angeles National Forest Red Box Station. Angeles Crest Hwy and Mount Wilson/Red Box 1432 Comment
  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
  JEPS13628  Penstemon centranthifolius Peter Kamb 1947-6-1 551 Los Angeles n slope Mt. Disappointment San Gabriel Mts. 1554 Comment
  RSA79779  Penstemon centranthifolius F. W. Peirson 1905-1 200 Los Angeles Mt. Lowe, San Gabriel Mountains. Comment
  UC219121  Penstemon grinnellii G. B. Grant 1904-6-26 Los Angeles Mt. Lowe Mt. Lowe (Southern California) Comment
  UCR23177  Penstemon grinnellii Polly Schiffman 1981-5-23 025 Los Angeles Angeles National Forest, San Gabriel Mtns: 0.5 mi north of Red Box Ranger Station and 20 mi north of La Canada-Flintridge on Angeles Crest Hwy 1601 Comment
  POM4526  Penstemon grinnellii subsp. grinnellii George B. Grant 1904-6-26 s.n. Los Angeles Mt. Lowe. Comment
  RSA79854  Penstemon grinnellii subsp. grinnellii F. W. Peirson 1905-1 201 Los Angeles Mt. Lowe, San Gabriel Mountains. Comment
  JEPS13629  Penstemon grinnellii var. grinnellii Peter Kamb 1947-6-1 550 Los Angeles n slope Mt. Disappointment San Gabriel Mts. 1524 Comment
  NY601182  Penstemon grinnellii var. grinnellii F. W. Peirson 1918-6-10 201 Unknown Mt. Lower, San Gabriel Mountains 5000 Comment
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Aug 21 2016
  NY601205  Penstemon grinnellii var. grinnellii G. T. Hastings 1931-6-8 s.n. Unknown Mt. Lowe, on trail to Arroyo Seco. Comment
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Jun 6 2016
  SFV16156  Penstemon grinnellii var. grinnellii P. A. Krueger 1994-5-18 33 Los Angeles San Gabriel Mountains 5.5 miles north on Mount Lowe Truck Trail from Chaney Trail. 900 Comment
  JEPS7998  Penstemon grinnellii var. scrophularioides F. W. Peirson 1918-6-10 201 Los Angeles Mt. Lowe San Gabriel Mts., Mt. Lowe 1524 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
  JEPS7558  Penstemon heterophyllus var. australis F. W. Peirson 1918-6-10 202 Los Angeles Mt. Lowe San Gabriel Mts., Mt. Lowe 762 Comment
  NY601634  Penstemon heterophyllus var. australis A. M. Ottley 1920-5-8 641 Los Angeles San Rafael Hills Comment
  NY601673  Penstemon heterophyllus var. australis F. W. Johnson 1913-9-7 1537 Los Angeles Echo Mountain, Altadena 1066.8 Comment
  RSA408094  Penstemon heterophyllus var. australis Albert J. Perkins 1914-5-10 s.n. Los Angeles Mt. Lowe. Comment
  SD37447  Penstemon heterophyllus var. heterophyllus Florence Post 1931-5-4 2054 c Los Angeles Flintridge Hills, hillside Comment
  UC76099  Penstemon heterophyllus var. heterophyllus Geo. B. Grant June 1901 937 Los Angeles Mt. Lowe Mt. Lowe (So. Cal.) 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
  HSC12391  Penstemon spectabilis Wendell Wood 1970-6-20 17 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 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
  POM308414  Penstemon spectabilis subsp. subviscosus Henry J. Ramsey, Henry J. Ramsey 1937-5-27 3106 Los Angeles Altadena, North Craig Ave. 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
  RSA657469  Penstemon spectabilis subsp. subviscosus C. Schapiro 1979-4-10 2 Los Angeles Verdugo Mountains; On fire road at intersection of Linda Vista Rd. and Figueroa St., North Glendale 762 Comment
  JEPS11603  Penstemon spectabilis var. subviscosus Frank W. Peirson 1924-6-16 Los Angeles foothills near Pasadena; San Gabriel Mountains, foothills near Pasadena Comment
  JEPS85719  Penstemon spectabilis var. subviscosus Frank W. Peirson 1924-6-16 Los Angeles near Pasadena (foothills of the San Gabriel Mountains); San Gabriel Mountains Comment
  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
  UCSB33680  Phacelia brachyloba Miller, Brian 1960-7-11 Los Angeles Switzer's Inslet, San Gabriel Mountains 914 Comment
  RSA654868  Phacelia grandiflora A. C. Sanders, D. Malueg 1998-6-22 22025 Los Angeles San Gabriel Mtns.: Altadena, ca. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Lane, and along trail to the NE. 549 Comment
  SFV16223  Phacelia grandiflora P. A. Krueger 1994-5-18 44 Los Angeles San Gabriel Mountains 2.4 miles north on Mount Lowe Truck Trail from Chaney Trail. 900 Comment
  UCR111502  Phacelia grandiflora A. C. Sanders, D. Malueg 1998-6-22 22025 Los Angeles San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE 549 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
  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
  RSA74922  Phacelia imbricata subsp. imbricata F. W. Peirson 1905-5-28 974 Los Angeles Rubio Wash above New York Ave., Pasadena 366 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
  RSA428048  Phacelia longipes Robert Gustafson 1973-5-17 s.n. Los Angeles 3 mi southwest of the Mt. Wilson turnoff on Angeles Crest Highway 1585 Comment
  RSA679925  Phacelia longipes LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 934 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1). 1631 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
  POM127603  Phacelia minor George B. Grant 1901-1 965 Los Angeles Mt. Lowe. Comment
  POM49698  Phacelia minor L. R. Abrams 1901-4-7 s.n. Los Angeles Devil's Gate Comment
  RSA0031809  Phacelia minor Geraldine Dodd 1992-5-9 009 Los Angeles San Gabriel Mts. 3 miles north of corner of Loma Alta Dr. & Lake Ave. in Altadena.Sam Merrill hiking trail. 1066 Comment
  RSA74500  Phacelia minor F. W. Peirson 1918-1 162 Los Angeles burned area east of Rubio Canyon 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
  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
  CAS-BOT-BC134022  Phacelia ramosissima var. latifolia F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  RSA738064  Phacelia tanacetifolia Jane Snyder 1966-5-10 2 Los Angeles San Rafael Hills. 213 Comment
  SEINET3158356  Phacelia whitlavia G. B. Grant 1901-1-1 965 Los Angeles Mt. Lowe Comment
  RSA623860  Phalaris minor K. Scott 1921-5-12 s.n. Los Angeles Lincoln Ave, Pasadena Comment
  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-BC141301  Phoradendron serotinum subsp. tomentosum Geo. B. Grant 1900-4-1 s.n. Los Angeles Mt. Lowe 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
  SEINET3871796  Pinus attenuata Clayton Newberry 1994-5-30 7229 Los Angeles San Gabriel Mountains. Angeles National Forest, SR 2 (Angeles Crest Highway) at Cloudburst Canyon.; 0 1890 Comment
  SFV7868  Pinus attenuata T. Gordon, M. H. Grayum, J. R. Swanson, D. Walls, S. Zalusky 1976-1-21 1234 Los Angeles San Gabriel Mountains Angeles Forest Highway. 1220 Comment
  UC1200601  Pinus attenuata Peter Kamb 1946-1-21 11 .1 Los Angeles below Mt. Lowe (Echo Mountain); San Gabriel Mountains 914 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
  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
  NY61873  Pinus flexilis F. W. Johnson 1920-5-13 2276 Unknown This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
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Dec 6 2015
  RSA682606  Pinus halepensis Valerie Soza, Bill Hoghead, Amber Maurice 2003-5-17 s.n. Los Angeles Transverse Ranges; San Gabrield Mountains region: Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena. 915 Comment
  UCR132336  Pinus halepensis John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
  A357105  Pinus monophylla G. B. Grant 1901-1-1 989 Unknown From Mt. Lowe, S. Cal. Comment
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Jun 10 2012
  CAS-BOT-BC78865  Pinus monophylla Geo. B. Grant 1904-6-26 5315 Los Angeles Mt. Lome 1828 Comment
  CAS-BOT-BC78871  Pinus monophylla W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. Comment
  CAS-BOT-BC78872  Pinus monophylla Geo. B. Grant 1901 to 1905 989 Los Angeles From Mt. Lowe Comment
  CAS-BOT-BC78897  Pinus monophylla S. Parnay Mar. s.n. Los Angeles Mt. [Low] Lowe, one of the mouth of Santa Ana [Canon] Canyon Comment
  GH357094  Pinus monophylla G. B. Grant 1901-1-1 989 Unknown From Mt. Lowe, S. Cal. Comment
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Jun 10 2012
  NY61872  Pinus monophylla F. W. Johnson 1920-5-13 2276 Unknown San Gabriel Mountains, Pasadina: summit of Mt. Lowe Comment
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Jan 17 2015
  POM197020  Pinus monophylla George B. Grant 1901-1 s.n. Los Angeles Mt. Lowe Comment
  RSA384362  Pinus monophylla George B. Grant 1903-1 989 Los Angeles Mt. Lowe Comment
  RSA384367  Pinus monophylla L. E. Hoffman 1931-10-21 s.n. Los Angeles Dark Canyon, Angeles Forest Comment
  UC1134058  Pinus monophylla H. A. Jensen 1933-3-6 267 Los Angeles summit Mt. Lowe; Angeles National Forest, Pasadena Quadrangle Comment
  UC215354  Pinus monophylla Geo. B. Grant 1901-1-1 ex. 989 Los Angeles Mt. Lowe Mt. Lowe (rocky places in the mountains) 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
  RSA602766  Piptatherum miliaceum L. C. Wheeler 1972-12-24 12801 Los Angeles San Gabriel Mountains: Las Flores Canyon. 823 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
  SD90022  Pittosporum phillyraeoides Jeannette L. Huber, R. V. Langmuir 1972-3-19 1202 Los Angeles Altadena. Growing under native conditions on old, abandoned Cobb estate. 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
  SEINET3152909  Plagiobothrys nothofulvus G. B. Grant 1904-5-5 995 Los Angeles Altadena Comment
  UC166871  Plagiobothrys nothofulvus unknown 1904-5-5 995 /6182 Los Angeles Altadena Comment
  UC76140  Plagiobothrys nothofulvus Geo. B. Grant Apr 1902 995 Los Angeles Altadena Comment
  JEPS6396  Plantago erecta Alice M. Ottley 1920-4-30 509 Los Angeles Arroyo Seco Pasadena Comment
  SEINET3161440  Plantago erecta G. B. Grant 1906-4-2 1104 Los Angeles Altadena Comment
  UC166763  Plantago erecta Geo. B. Grant 1906-4-2 Los Angeles Altadena 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
  CHSC19521  Platanus racemosa Wendell Wood 1970-6-17 10 Los Angeles Linda Vista Rd. and Chevy Chase. Glendale. On canyon hillside. 365 Comment
  HSC12322  Platanus racemosa Wendell Wood 1970-6-17 10 Los Angeles Chevy Chase and Linda Vista Rd., Glendale 366 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
  LA206297  Platystemon californicus Carl Epling; M. Epling May 1925 sn Los Angeles Arroyo Seco Comment
  CAS-BOT-BC246622  Poa howellii Geo. B. Grant 1901-5-23 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. 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
  CAS-BOT-BC236186  Poa secunda subsp. secunda 1900-4-11 s.n. Los Angeles Mount Lowe Comment
  CHSC99444  Poa secunda subsp. secunda LeRoy Gross; Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 926 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1) Near 3423386N, 118.10365W. UTM Zone 11; 3788444N 0398352E. 1631 Comment
  LA12627  Poa secunda subsp. secunda Carl Epling; May 1925 sn Los Angeles Arroyo Seco Comment
  RSA484165  Poa secunda subsp. secunda George R. Johnstone 1925-4-11 s.n. Los Angeles Mt. Lowe Comment
  RSA679917  Poa secunda subsp. secunda LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 926 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1). 1631 Comment
  RSA65558  Polycarpon depressum F. W. Peirson 1918-6-4 46 Los Angeles Burned area in Hlls east of Rubio Canyon Comment
  UCR101263  Polycarpon depressum L. C. Wheeler 1962-4-24 8049 Los Angeles San Gabriel Mtns., Between [Chaney] Trail and La Vina Sanitarium, ridge south side of West Ravine 396 Comment
  JEPS51379  Polycarpon tetraphyllum Frank W. Peirson 1931-5-25 9376 Los Angeles Altadena; 1077 New York Avenue. Comment
  POM187463  Polycarpon tetraphyllum L. C. Wheeler 1933-6-24 1833 Los Angeles 1077 New York Ave, Altadena. 381 Comment
  RSA576937  Polycarpon tetraphyllum L. C. Wheeler 1933-6-24 1883 Los Angeles 1077 New York Ave, Altadena. 381 Comment
  RSA65560  Polycarpon tetraphyllum F. W. Peirson 1931-5-25 9376 Los Angeles At 1077 New York Ave. Altadena. Comment
  SBBG70011  Polycarpon tetraphyllum E. Rockwell -May-1921 71 Los Angeles Eaton Cyn 304 Comment
  UC501533  Polycarpon tetraphyllum Frank W. Peirson 1931-5-25 9376 Los Angeles Altadena; 1077 New York Avenue 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
  RSA68337  Polygonum aviculare subsp. aviculare F. W. Peirson 1951-1 1796 Los Angeles 1077 New York Ave., Altadena Comment
  POM122114  Polygonum lapathifolium Unspecified 1901-9-19 s.n. Los Angeles Summit of Mt. Lowe 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
  RSA689869  Polypodium californicum Albert J. Perkins 1895-4-18 s.n. Los Angeles Mt. Lowe 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
  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
  RSA623816  Polypogon viridis I. L. Wiggins 1921-11-16 s.n. Los Angeles Arroyo Seco Comment
  UCR208038  Polystichum imbricans Geo. L. Moxley 1915-7-19 383 Los Angeles San Gabriel Mtns., Arroyo Seco Canyon Comment
  RSA693283  Polystichum imbricans subsp. curtum May N. Ackley 1928-6-29 110 Los Angeles Dark Canyon Oake Wilde. 701 Comment
  RSA85035  Polystichum imbricans subsp. curtum F. W. Peirson 1919-12-2 1507 Los Angeles West fork of Rubio Canyon, south base of San Gabriel Mtns 838 Comment
  RSA693288  Polystichum imbricans subsp. imbricans L. E. Hoffman 1930-5-12 s.n. Los Angeles Millard's Canyon. Angeles National Forest. Comment
  RSA693289  Polystichum imbricans subsp. imbricans L. E. Hoffman 1930-5-12 s.n. Los Angeles Millard's Canyon. Angeles National Forest. 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
  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
  SEINET10885761  Prunus Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2501 Los Angeles City of Pasadena. Vartan Family Grocery, 1511 E. Washington Blvd. 270 Comment
  CAS-BOT-BC154935  Prunus ilicifolia Grant 1900-4-11 s.n. Los Angeles Mt. Lowe 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
  GH346579  Prunus ilicifolia G. B. Grant 1901-06-01 - 1901-07-01 1046 Unknown Mount Lowe Comment
  GH346580  Prunus ilicifolia G. B. Grant 1901-06-01 - 1901-07-01 1046 Unknown Mount Lowe 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
  POM306715  Prunus ilicifolia Henry J. Ramsey, Henry J. Ramsey 1937-5-16 1667 Los Angeles Altadena, N. Craig Avenue. 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
  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
  CAS-BOT-BC356703  Pseudognaphalium californicum F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  SFV16167  Pseudognaphalium californicum P. A. Krueger 1994-5-18 39 Los Angeles San Gabriel Mountains 3.9 miles north on Mount Lowe Truck Trail from Chaney Trail. 1300 Comment
  UCD134977  Pseudognaphalium leucocephalum Collector Unknown 1922-9-22 275 Los Angeles Altadena. 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
  CAS-BOT-BC357303  Pseudognaphalium microcephalum Le Roy Abrams 1901-4-7 1424 Los Angeles Arroyo Seco above Devils Gate Comment
  CAS-BOT-BC357359  Pseudognaphalium microcephalum F. Grinnell Jr. 1908-10-8 s.n. San Bernardino Switzer Camp, San Gabriel Mts. 914 Comment
  JEPS20504  Pseudognaphalium microcephalum Frank W. Peirson 1919-1-26 303 Los Angeles Rubio Canon San Gabriel Mts., Rubio Canon 548 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-BC80063  Pseudotsuga macrocarpa William R. Dudley 1899-7-22 s.n. Los Angeles Sides of Mt. Lowe 1219 Comment
  CAS-BOT-BC80069  Pseudotsuga macrocarpa G. B. Grant 1900-4-11 s.n. Los Angeles Mt. Lowe 1524 Comment
  CAS-BOT-BC80070  Pseudotsuga macrocarpa G. B. Grant 1904-2-14 6125 Los Angeles Mt. Lowe Comment
  CAS-BOT-BC80071  Pseudotsuga macrocarpa W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. Comment
  GH355369  Pseudotsuga macrocarpa G. B. Grant Feb 04 1050 Unknown Mt. Lowe 1524 Comment
  HSC12362  Pseudotsuga macrocarpa Wendell Wood 1970-6-24 61 Los Angeles Angeles Crest Hwy. 6 mi beyond intersection with Foothill Blvd. 762 Comment
  RSA384625  Pseudotsuga macrocarpa Geo C. Johnstone 1920-4-10 s.n. Los Angeles Mt. Lowe 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
  SEINET3875017  Pseudotsuga macrocarpa Clayton Newberry 1994-5-30 7230 Los Angeles San Gabriel Mountains. Angeles National Forest, SR 2 (Angeles Crest Hwy at Cloudburst Canyon.; 0 1890 Comment
  UC1348837  Pseudotsuga macrocarpa unknown 1938-9-21 8387 Los Angeles Altadena 609 Comment
  UC1402302  Pseudotsuga macrocarpa B. P. Gruendyke 1938-9-21 8387 Los Angeles Altadena 609 Comment
  UCD135108  Pseudotsuga macrocarpa Steve Mason; Helen M. Mason 1993-5-15 24 b Los Angeles On Angeles Crest Hwy. 3.5 mi. above Big Tujunga Cnyn. Rd. 1584 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
  UCSB12271  Pseudotsuga macrocarpa Suter, Richard 1961-2-25 Los Angeles 10 yds. northeast of Angeles Crest Highway at Junction with Mt. Wilson Turnoff above La Canada, California 1249 Comment
  A355363  Pseudotsuga menziesii G. B. Grant Feb. 1904 Unknown Mt. Lowe 1524 Comment
Read comments
Jun 3 2018
  UCR99461  Psilocarphus tenellus L. C. Wheeler 1948-4-26 6637 Los Angeles Pasadena, Oak Grove Park 305 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
  SD248282  Pteris vittata Joseph Cahill 2011-2-5 Los Angeles San Gabriel Mountains: Rubio Canyon, c. 0.8 mi NW of trailhead at Rubio Vista Road (Mount Wilson 7.5'Q) 664 Comment
  SEINET5586213  Pteris vittata Joseph Cahill 2011-1 s.n. Los Angeles San Gabriel Mountains: Rubio Canyon, c. 0.8 mi. NW of trailhead at Rubio Vista Rd. 664 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
  UCR247416  Pteris vittata Joseph Cahill 2011-2-5 s.n. Los Angeles San Gabriel Mountains, Rubio Canyon, c. 0.8 mi. NW of trailhead at Rubio Vista Rd. 664 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
  SBBG61784  Pterostegia drymarioides M. N. Ackley 1928-2-12 889 Los Angeles Eaton Wash 365 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-BC45779  Quercus Lee Sowden 1926-10-2 s.n. Los Angeles Mt. Lowe near Pasadena, at summit 1341 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
  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
  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
  RSA657474  Quercus agrifolia var. agrifolia Joseph M. Keefe 2001-1-24 31030 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  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
  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
  A344220  Quercus chrysolepis G. B. Grant 1904-5-23 Unknown Mt. Lowe Comment
  CAS-BOT-BC62368  Quercus chrysolepis Geo. B. Grant 1902-7-1 3712 Los Angeles Mt. Lowe 1828 Comment
  CAS-BOT-BC62528  Quercus chrysolepis W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. Comment
  CAS-BOT-BC62531  Quercus chrysolepis G. B. Grant 1897-12-5 s.n. Los Angeles Alpine Tavern, Mt. Lowe, San Gabriel Mts. Comment
  CAS-BOT-BC62536  Quercus chrysolepis W. R. Dudley 1900-7-9 s.n. Los Angeles Mount Lowe, San Gabriel Mts. Comment
  CAS-BOT-BC62574  Quercus chrysolepis Grimmell 1908-10-8 s.n. Los Angeles Switzer Camp. San Gabriel Mts. 914 Comment
  GH344177  Quercus chrysolepis G. B. Grant 1902-07-01 - 1902-08-01 1085 Unknown Mt. Lowe 1828 Comment
  GH344249  Quercus chrysolepis L. E. Hoffman 1931-11-5 Unknown Millard's Canyon, Mountain Canyons Comment
  GH344256  Quercus chrysolepis J. F. Collins 1918-4-16 Unknown above Alpine Tavern, Mt. Lowe Comment
  GH344260  Quercus chrysolepis J. F. Collins 1918-4-16 Unknown above Alpine Tavern, Mt. Lowe Comment
  GH344280  Quercus chrysolepis C. C. Kingman 1910-5-21 Unknown Altadena Comment
  GH344283  Quercus chrysolepis J. F. Collins 1928-4-16 Unknown above Alpine Tavern, Mt. Lowe Comment
  JEPS37335  Quercus chrysolepis Frank W. Peirson 1918-5-19 16 Los Angeles Echo Mountain San Gabriel Range 1036 Comment
  JEPS46639  Quercus chrysolepis Ernest Braunton 1892-2 Los Angeles near Mt. Lowe 914 Comment
  LA46439  Quercus chrysolepis Carl Epling; May 1926 sn Los Angeles Arroyo Seco Comment
  POM180345  Quercus chrysolepis Edwin B. Bartram 1920-6-30 528 Los Angeles Mt. Lowe 1433 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
  SD1101  Quercus chrysolepis Fidella G. Woodcock Sep 1930 Los Angeles Mt. Lowe, interior mountains, mostly canyonsides, dry ridges Comment
  UC72508  Quercus chrysolepis Geo. B. Grant Jul 1902 1085 Los Angeles Mt. Lowe Comment
  UCD45456  Quercus chrysolepis F. W. Peirson 1918-5-19 16 Los Angeles Echo Mountain, 3400 ft. San Gabriel Range. 1036 Comment
  UCSB33683  Quercus chrysolepis Miller, Brian 1960-7-13 Los Angeles Switzer's Inslet, San Gabriel Mountains 914 Comment
  SD1108  Quercus douglasii Fidella G. Woodcock Unknown Los Angeles Mt. Lowe, summit 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-BC86213  Quercus dumosa J. Ewan 1929-9-21 2291 Los Angeles Trailside in Upper Millards Canyon 1249 Comment
  CAS-BOT-BC86222  Quercus dumosa Geo. B. Grant 1902-6-1 1088 Los Angeles Mt. Lowe 1524 Comment
  CAS-BOT-BC86361  Quercus dumosa W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. 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
Read comments
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
  RSA682123  Quercus durata Valerie L. Soza, Bill Hoghead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 Comment
  CAS-BOT-BC518731  Quercus durata var. gabrielensis Mitch Provance 2016-3-1 316 -23 Los Angeles San Gabriel Mountains: Altadena, lower slopes just NE of Canon Blvd. and Dev\onwood Rd. 570 Comment
  JEPS37777  Quercus durata var. gabrielensis Frank W. Peirson 1919-5-14 376 Los Angeles e trail Mt. Lowe San Gabriel Mountains, Mt. Lowe Comment
  POM20902  Quercus durata var. gabrielensis Fordyce Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canyon near Pasadena; San Gabriel Mts. 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
  RSA477125  Quercus durata var. gabrielensis I. M. Johnston 1925-4-11 s.n. Los Angeles Mount Lowe 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
  RSA682412  Quercus durata var. gabrielensis Valerie L. Soza, Bill Hoghead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 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
  RSA87162  Quercus durata var. gabrielensis F. W. Peirson 1919-5-14 376 Los Angeles East trail to Mt. Lowe 640 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
  UCR272315  Quercus durata var. gabrielensis Mitch Provance 2016-3-1 316- 23 Los Angeles San Gabriel Mountains, Altadena, lower slopes just NE of Canon Blvd. and Devonwood Rd. 570 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
  A343699  Quercus wislizeni G. B. Grant 1902-06-01 - 1902-07-01 Unknown Summit of Mt Lowe Comment
  CAS-BOT-BC104859  Quercus wislizeni Abbot Kinney 1902-9-1 s.n. Los Angeles Mt. Lowe Comment
  CAS-BOT-BC104865  Quercus wislizeni W. R. Dudley 1899-7-22 s.n. Los Angeles Mount Lowe. San Gabriel Mts. Comment
  UCD47612  Quercus wislizeni T. E. Weier 1941-6-24 s.n. Los Angeles Angeles Crest. Comment
  HSC8307  Quercus wislizeni var. frutescens C. E. Fellows 1965-9-7 141 Los Angeles 3 mi past Angeles Forest Hwy. on Angeles Crest hwy. 1220 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
  SD1078  Quercus wislizeni var. frutescens Fidella G. Woodcock Sep 1930 Los Angeles Mt. Lowe Comment
  UC848384  Quercus wislizeni var. frutescens J. Franklin Collins 1918-4-16 A Los Angeles above Alpine Tavern; Mt. Lowe Comment
  CAS-BOT-BC362466  Rafinesquia californica Le Roy Abrams 1901-4-8 1432 Los Angeles Devil's Gate Comment
  JEPS37567  Rafinesquia californica F. W. Peirson 1918-6-4 251 Los Angeles foothills e Rubio Canyon (San Gabriel Mts., near Altadena); San Gabriel Mts. 609 Comment
  POM50195A  Rafinesquia californica L. R. Abrams 1901-04 s.n.-A Los Angeles Devil's Gate. Comment