34.36833 34.46833 -118.68889 -118.58889 UC/JEPS: Consortium Search Results
Search Results — 1987 specimen records retrieved (1987 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR127402  Acacia baileyana A. C. Sanders, Mark Elvin, , Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25569 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  UCR129417  Achillea millefolium A. C. Sanders, Mark Elvin 2002-6-20 25230 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  IRVC29270  Achyrachaena mollis Anuja Parikh, Nathan Gale 2003-5-12 s.n. Ventura Newhall Ranch, Salt Creek, survey area 76 N side of Santa Susana Mtns. 457 Comment
  SEINET11261878  Achyrachaena mollis Mark A. Elvin, Joseph G. Decruyenaere 2003-5-8 2719 Los Angeles Western Transverse Range; Santa Susana Mountains: Newhall Ranch, Potrero Canyon, beside road on south side of canyon.; 0 305 Comment
  UCR128130  Achyrachaena mollis Anuja Parikh, Nathan Gale 2003-5-12 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek, survey area 76 457 Comment
  UCR217345  Achyrachaena mollis Mark A. Elvin, Joseph G. Decruyenaere 2003-5-8 2719 Los Angeles Western Transverse Range; Santa Susana Mountains, Newhall Ranch, Potrero Canyon, beside road on south side of canyon 305 Comment
  CHSC98085  Acmispon brachycarpus A. C. Sanders; Andy Thompson 2003-4-15 25986 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. Hills. 396 Comment
  SD186199  Acmispon brachycarpus A. C. Sanders, Mark Elvin, et al. 2003-4-14 25960 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road south of Santa Clara River. 351 Comment
  SEINET1004367  Acmispon brachycarpus A. C. Sanders, Mark Elvin, et al. 2003-1 25960 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCD104082  Acmispon brachycarpus A. C. Sanders; Mark A. Elvin, et al. 2003-4-14 25960 Los Angeles NE end of Santa Susana Mtns. Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  SD186198  Acmispon micranthus A. C. Sanders, Mark Elvin, et al. 2003-4-14 25954 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  UCD104238  Acmispon micranthus A. C. Sanders; Mark A. Elvin, et al. 2003-4-14 25954 Los Angeles NE end of Santa Susana Mtns. Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  SD186204  Acmispon strigosus A. C. Sanders, Andy Thompson 2003-4-15 26014 Los Angeles Newhall Ranch, ca. 500 feet south of Magic Mountain theme park. 351 Comment
  SEINET1869738  Acmispon strigosus A. C. Sanders, Mark Elvin 2003-1 25949 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  IRVC27382  Acourtia microcephala A. C. Sanders, Mark Elvin 2003-8-7 27149 Los Angeles Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon NE end of Santa Susana Mtns. 351 Comment
  RSA713831  Acourtia microcephala A. C. Sanders 2003-7-15 27098 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, Magic Mountain area, 0.9 mi. south of Castaic Junction, west of water tanks'. 335 Comment
  SBBG119934  Acourtia microcephala A. C. Sanders 2003-7-15 27098 Los Angeles Newhall Ranch, Magic Mtn area, 0.9 mi S of Castaic Junction; Santa Susana Mtns 335 Comment
  UCR125920  Acourtia microcephala A. C. Sanders, Mark Elvin 2002-6-19 25180 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  UCR126711  Acourtia microcephala A. C. Sanders, Mark Elvin 2003-8-7 27149 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon 351 Comment
  UCR127185  Acourtia microcephala A. C. Sanders, Kim Marsden 2003-6-20 26985 Los Angeles Western Transverse Range/Santa Clara River Watershed, Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch 305 Comment
  UCR133645  Acourtia microcephala A. C. Sanders 2003-7-15 27098 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Magic Mountain area, 0.9 mi. south of Castaic Junction, west of 'water tanks 335 Comment
  UCR238098  Acourtia microcephala Mark A. Elvin 2003-7-1 2962 Los Angeles Western Transverse Range; Santa Susana Mountains, Newhall Ranch, 'Exon Mesa', 3.25 km SW (213 deg. ) of intersection of I-5 Fwy and Hwy 126, S of Santa Clara River 335 Comment
  A345387  Adenostoma fasciculatum Y. W. Winblad 1941-5-20 Unknown near Saugus, in Pico Canyon Comment
  IRVC27304  Adenostoma fasciculatum A. C. Sanders, Mark Elvin 2003-8-7 27152 Los Angeles Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon NE end of Santa Susana Mtns. 351 Comment
  IRVC28682  Adenostoma fasciculatum A. C. Sanders, Mark Elvin 2002-6-18 25129 Los Angeles Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park NE end of Santa Susana Mtns. 366 Comment
  RSA710275  Adenostoma fasciculatum A. C. Sanders, Mark A. Elvin 2003-8-7 27152 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon 351 Comment
  RSA725787  Adenostoma fasciculatum A. C. Sanders, Mark A. Elvin 2002-6-18 25129 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park. 366 Comment
  SEINET1869732  Adenostoma fasciculatum A. C. Sanders, Mark Elvin 2003-1 27152 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Long (Larres) Canyon, a tributary of the Santa Clara River NE of Potrero Canyon. 351 Comment
  UCR125151  Adenostoma fasciculatum A. C. Sanders, Mark Elvin 2002-6-18 25129 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR126708  Adenostoma fasciculatum A. C. Sanders, Mark Elvin 2003-8-7 27152 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon 351 Comment
  IRVC26939  Adiantum jordanii Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2729 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  UCR127864  Adiantum jordanii Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2729 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR172452  Agoseris grandiflora Anuja Parikh, Nathan Gale 2005-7-5 2122 Los Angeles Santa Susana Mtns., Newhall Ranch, slopes south of upper Potrero Canyon, south of Santa Clara River c. 2 mi. east of the Ventura Co. line, study area 19 396 Comment
  IRVC27308  Allophyllum divaricatum A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27146 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  SEINET2444429  Allophyllum divaricatum A. C. Sanders, Mark A. Elvin; Dave Fleitner 2003-8-6 27146 Los Angeles Ne end of Santa Susana Mtns.: Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle. 280 Comment
  UCR126717  Allophyllum divaricatum A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27146 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR162299  Allophyllum glutinosum Anuja Parikh, Nathan Gale 2004-7-21 2089 Los Angeles NE end of Santa Susana Mtns, Newhall Ranch (study area 21), ridges south of upper Potrero Canyon 427 Comment
  CAS-BOT-BC136686  Alnus rhombifolia A. C. Sanders; Mark Elvin; Dave Fleitner 2003-8-6 27143 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  RSA709746  Alnus rhombifolia A. C. Sanders, Dave Fleitner, Mark Elvin 2003-8-6 27143 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 320 Comment
  SEINET1869719  Alnus rhombifolia A. C. Sanders, Mark Elvin, Dave Fleitner 2003-1 27143 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle. 280 Comment
  UCR126630  Alnus rhombifolia A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27143 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR162294  Alnus rhombifolia Anuja Parikh, Nathan Gale 2004-6-22 2067 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  UCR125965  Amaranthus albus A. C. Sanders, Mark Elvin 2002-6-19 25157 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  IRVC27451  Amaranthus blitoides A. C. Sanders, Mark A. Elvin 2002-8-28 25597 Los Angeles Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park NE end of Santa Susana Mtns. 360 Comment
  IRVC28672  Amaranthus blitoides A. C. Sanders, Mark Elvin 2002-6-18 25112 Los Angeles Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 328 Comment
  IRVC28684  Amaranthus blitoides A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25540 Los Angeles Newhall Ranch, central Potrero Canyon, at circular cement cattle trough on south side of valley NE end of Santa Susana Mtns. 366 Comment
  IRVC28762  Amaranthus blitoides A. C. Sanders, Mark Elvin 2002-8-7 25558 Los Angeles north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur Santa Clara River Valley 274 Comment
  RSA725788  Amaranthus blitoides A. C. Sanders, Mark Elvin 2002-6-18 25112 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusment park. 328 Comment
  UCR124030  Amaranthus blitoides A. C. Sanders, Mark A. Elvin 2002-8-28 25597 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park 360 Comment
  UCR125130  Amaranthus blitoides A. C. Sanders, Mark Elvin 2002-6-18 25112 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 328 Comment
  UCR125260  Amaranthus blitoides A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25540 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, at circular cement cattle trough on south side of valley 366 Comment
  UCR127390  Amaranthus blitoides A. C. Sanders, Mark Elvin 2002-8-7 25558 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  RSA683890  Amaranthus hybridus A. C. Sanders, Mark Elvin, Cathleen Weigand, et al. 2002-8-6 25549 Los Angeles Santa Clara River Valley: north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  UCR127380  Amaranthus hybridus A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25549 Los Angeles Santa Clara River Valley, north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  IRVC28766  Amaranthus powellii A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25554 Los Angeles north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons Santa Clara River Valley 274 Comment
  UCR127371  Amaranthus powellii A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25554 Los Angeles Santa Clara River Valley, north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  UCR125902  Amaranthus retroflexus A. C. Sanders, Mark Elvin, Julie M. Vanderwier, M. S. Enright 2002-6-26 25302 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south of Santa Clara River on mesa 366 Comment
  CAS-BOT-BC42860  Ambrosia acanthicarpa J. Ewan 1931-11-11 s.n. Los Angeles Del Valle, Santa Clara River Valley 304 Comment
  POM182393  Ambrosia acanthicarpa Joseph A. Ewan 1931-11-11 5299 Los Angeles Del Valle, Santa Clara River Valley. 305 Comment
  UCR172460  Ambrosia acanthicarpa Anuja Parikh, Nathan Gale 2005-7-11 2132 Los Angeles Santa Clara River Valley, Newhall Ranch, N of the Santa Clara River, near Del Valle and the mouth of Chiquito Canyon, study area 29 274 Comment
  IRVC28690  Ambrosia psilostachya A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25475 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  IRVC28761  Ambrosia psilostachya A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25546 Los Angeles Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters NE end of Santa Susana Mtns. 396 Comment
  UCR123361  Ambrosia psilostachya A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25475 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR125134  Ambrosia psilostachya A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25546 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters 396 Comment
  UCR126346  Ambrosia psilostachya A. C. Sanders 2003-8-6 27119 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  UCR126995  Ammi majus A. C. Sanders, Kim Marsden 2003-6-20 26987 Los Angeles Western Transverse Range/Santa Clara River Watershed, Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch 305 Comment
  RSA177944  Amorpha californica var. californica Joseph A. Ewan 1931-5-16 4212 Los Angeles Dry Canyon above Calabasas, Santa Monica Mountains 304 Comment
  UCR128131  Amorpha californica var. californica Anuja Parikh, Nathan Gale 2003-5-12 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek, survey area 76 457 Comment
  UCR125408  Amsinckia intermedia A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25700 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR125413  Amsinckia intermedia A. C. Sanders, Mark Elvin 2003-3-5 25735 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  IRVC26441  Amsinckia menziesii var. intermedia A. C. Sanders, Mark Elvin, et al. 2003-3-4 25700 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  IRVC26443  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin, et al. 2003-3-5 25716 Los Angeles Newhall Ranch, "Grapevine Mesa" ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon NE end of Santa Susana Mtns. 335 Comment
  RSA0089906  Amsinckia menziesii var. menziesii A. C. Sanders, M. Elvin, Cathleen Weigand, M. S. Enright, M. Balk, N. Gale, A. Parikh, K. Rindlaub 2003-3-5 25716 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Grapevine Mesa ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon. 335 Comment
  UCR125431  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25716 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  UCR125925  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin 2002-6-19 25178 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  HSC3542  Amsinckia tessellata var. gloriosa David Porter 1965-4-24 Los Angeles 5 mi. W of Newhall on Pico Canyon Rd., Newhall 610 Comment
  UC1061754  Amsinckia tessellata var. tessellata P. L. Johannsen 1934-3-5 315 Los Angeles 1 mi ne Castac 457 Comment
  IRVC28559  Anemopsis californica A. C. Sanders 2003-8-6 27113 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  IRVC28696  Anemopsis californica A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25481 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  UCR123627  Anemopsis californica A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25481 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR125948  Anemopsis californica A. C. Sanders, Mark Elvin 2002-6-19 25172 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR126351  Anemopsis californica A. C. Sanders 2003-8-6 27113 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  UCR127400  Anethum graveolens A. C. Sanders, Mark Elvin, , Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25566 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  UCR172301  Anthemis cotula Anuja Parikh, Nathan Gale 2005-6-8 2116 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, between Potrero and Salt Creek Canyons, south of Santa Clara River near the Ventura Co. line, study area 14 335 Comment
  SBBG83173  Antirrhinum coulterianum R. Hoffmann 1929-5-19 Los Angeles 5 mi W of Castaic Comment
  UCR127059  Antirrhinum coulterianum Mark A. Elvin, Cathleen Weigand 2003-4-8 2459 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  UCR162589  Antirrhinum multiflorum Anuja Parikh, Nathan Gale 2004-7-12 2086 Los Angeles NE end of Santa Susana Mtns, Newhall Ranch (study area 22), ridges south of upper Potrero Canyon 427 Comment
  UCR126678  Apiastrum angustifolium A. C. Sanders, Mark A. Elvin 2003-4-16 26042 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 366 Comment
  UCR126699  Apiastrum angustifolium A. C. Sanders, Andy Thomson 2003-4-15 25989 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCR123270  Apium graveolens A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25493 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  UCR128186  Apium graveolens Mark A. Elvin, Cathleen Weigand 2003-5-21 2875 Ventura Western Transverse Range; Santa Susana Mountains, central part of Salt Canyon watershed, Newhall Ranch 518 Comment
  UCR129506  Apium graveolens A. C. Sanders, Mark Elvin 2002-6-20 25235 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR123248  Aptenia cordifolia A. C. Sanders, Mark Elvin, , Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25568 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  IRVC29281  Arabis sparsiflora var. arcuata Anuja Parikh, Nathan Gale 2003-5-15 s.n. Ventura Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 N side of Santa Susana Mtns. 457 Comment
  UCR128268  Arabis sparsiflora var. arcuata Anuja Parikh, Nathan Gale 2003-5-15 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 518 Comment
  UCR126520  Arctostaphylos glandulosa subsp. mollis Anuja Parikh, Nathan Gale 2003-5-13 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek 457 Comment
  IRVC29005  Arctostaphylos glauca A. C. Sanders, Mark Elvin 2002-6-25 25274 Los Angeles Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 366 Comment
  UCR125178  Arctostaphylos glauca A. C. Sanders, Mark Elvin 2002-6-25 25274 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  CAS-BOT-BC102222  Arctotheca A. C. Sanders; Andy Thompson 2003-4-15 26008 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, south edge of Magic Mountain theme park, 396 Comment
  CDA10102  Arctotheca prostrata A. C. Sanders, Andy Thompson 2003-4-15 26008 Los Angeles NE end of Santa Susana Mtns.; Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence Comment
  UCR126754  Arctotheca prostrata A. C. Sanders, Andy Thomson 2003-4-15 26008 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence 396 Comment
  IRVC26953  Argemone munita Mark A. Elvin, Kim Marsden, Cathleen Weigand 2003-8-15 3006 Los Angeles Newhall Ranch, mouth of Castaic Creek, S of SR 126 Santa Clarita Valley 290 Comment
  UCR128003  Argemone munita Mark A. Elvin, Kim Marsden, Cathleen Wiegand 2003-8-15 3006 Los Angeles Santa Clarita Valley, Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  IRVC29288  Aristida adscensionis Anuja Parikh, Nathan Gale 2003-6-5 s.n. Los Angeles Newhall Ranch, western face of the ridge between Potrero and Salt Canyons, just south of the Santa Clara River, survey area 78 N side of Santa Susana Mtns. 305 Comment
  UCR128126  Aristida adscensionis Anuja Parikh, Nathan Gale 2003-6-5 s.n. Los Angeles N side of Santa Susana Mtns., Newhall Ranch, western face of the ridge between Potrero and Salt Canyons, just south of the Santa Clara River, survey area 78 427 Comment
  UCR125926  Artemisia californica A. C. Sanders, Mark Elvin 2002-6-19 25196 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  CAS-BOT-BC167092  Artemisia douglasiana A. C. Sanders; Mark A. Elvin 2002-8-26 25590 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near Airport Mesa 305 Comment
  IRVC27954  Artemisia douglasiana A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27145 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  IRVC28722  Artemisia douglasiana A. C. Sanders, Mark A. Elvin 2002-8-26 25590 Los Angeles Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near "Airport Mesa" Northeastern Santa Susana Mtns./Santa Clara River Watershed 305 Comment
  IRVC29010  Artemisia douglasiana A. C. Sanders, Mark Elvin 2002-6-25 25284 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  RSA714588  Artemisia douglasiana A. C. Sanders 2002-8-26 25590 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa' 305 Comment
  SEINET1869752  Artemisia douglasiana A. C. Sanders, Mark A. Elvin 2002-1 25590 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, small spring at shouth edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near ''Airport Mesa' 305 Comment
  UCR125165  Artemisia douglasiana A. C. Sanders, Mark Elvin 2002-6-25 25284 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR126641  Artemisia douglasiana A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27145 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR126847  Artemisia douglasiana A. C. Sanders, Mark A. Elvin 2002-8-26 25590 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa 305 Comment
  IRVC28670  Artemisia dracunculus A. C. Sanders, Mark Elvin 2002-6-18 25109 Los Angeles Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 328 Comment
  IRVC28740  Artemisia dracunculus A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25577 Los Angeles Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, N of East Fork Salt Canyon NE end of Santa Susana Mtns. 488 Comment
  UCR125119  Artemisia dracunculus A. C. Sanders, Mark Elvin 2002-6-18 25109 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 328 Comment
  UCR126331  Artemisia dracunculus A. C. Sanders 2003-8-5 27110 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters 366 Comment
  UCR127374  Artemisia dracunculus A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25577 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, north of East Fork Salt Canyon 549 Comment
  UCR128264  Artemisia dracunculus Mark A. Elvin, Cathleen Weigand 2003-5-21 2887 Ventura Western Transverse Range; Santa Susana Mountains, central part of Salt Canyon watershed, Newhall Ranch 518 Comment
  CAS-BOT-BC140687  Artemisia tridentata A. C. Sanders; Mark Elvin 2003-8-7 27161 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom east of Del Valle 282 Comment
  IRVC27302  Artemisia tridentata A. C. Sanders, Mark Elvin 2003-8-7 27161 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  UC1190081  Artemisia tridentata H. J. Thompson 1951-1-1 1424 Los Angeles 1 mi e Newhall Ranch (along Highway #126, near where Castaic River joins the Santa Clara River); Castaic River 289 Comment
  UCR126704  Artemisia tridentata A. C. Sanders, Mark Elvin 2003-8-7 27161 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom east of Del Valle 282 Comment
  CAS-BOT-BC97274  Artemisia tridentata subsp. parishii J. Ewan 1931-11-11 5296 Los Angeles Del Valle, Santa Clara River Valley Comment
  CAS-BOT-BC97279  Artemisia tridentata subsp. parishii J. Ewan 1931-11-11 5296 Los Angeles Del Valle, Santa Clara River Valley Comment
  CAS-BOT-BC97281  Artemisia tridentata subsp. parishii H. J. Thompson 1951-1-1 1424 Los Angeles Castaic River near where it joins the Santa Clara River, 1 mi. E of Newhall Ranch along Hwy. #126 289 Comment
  CAS-BOT-BC97282  Artemisia tridentata subsp. parishii H. J. Thompson 1951-1-1 1424 A Los Angeles Castaic River near wher it joins the Santa Clara River, 1 mi. E of Newhall Ranch along Hwy. #126 289 Comment
  CAS-BOT-BC97287  Artemisia tridentata subsp. parishii J. Ewan 1931-11-11 5296 Los Angeles Del Valle, Santa Clara River Valley Comment
  POM182392  Artemisia tridentata subsp. parishii Joseph A. Ewan 1931-11-11 5296 Los Angeles Del Valle, Santa Clara River Valley. Comment
  UC1119419  Artemisia tridentata subsp. parishii R. St. John 1930-2-17 99 Los Angeles Salt Canyon, Plot 39? Santa Susana Quadrangle, Salt Canyon 304 Comment
  IRVC26361  Asclepias californica A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26046 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  RSA0104765  Asclepias californica A. C. Sanders, Mark Elvin 2003-4-16 26046 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park. 366 Comment
  UCR126631  Asclepias californica A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26046 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  UCR162588  Asclepias eriocarpa Anuja Parikh, Nathan Gale 2004-7-14 2087 Los Angeles NE end of Santa Susana Mtns, Newhall Ranch (study area 25), ridges north of upper Potrero Canyon 427 Comment
  IRVC28677  Asclepias fascicularis A. C. Sanders, Mark Elvin 2002-6-18 25118 Los Angeles Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park NE end of Santa Susana Mtns. 366 Comment
  IRVC28693  Asclepias fascicularis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25471 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  IRVC28734  Asclepias fascicularis A. C. Sanders, M. S. Enright 2002-8-8 25571 Los Angeles Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 NE end of Santa Susana Mtns. 366 Comment
  RSA725785  Asclepias fascicularis A. C. Sanders, Mark Elvin 2002-6-18 25118 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park. 366 Comment
  UCR123358  Asclepias fascicularis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25471 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR125271  Asclepias fascicularis A. C. Sanders, Mark Elvin 2002-6-18 25118 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR126345  Asclepias fascicularis A. C. Sanders 2003-8-6 27120 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  UCR127404  Asclepias fascicularis A. C. Sanders, M. S. Enright 2002-8-8 25571 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 457 Comment
  RSA695392  Asparagus officinalis A. C. Sanders, Mark Elvin 2002-6-19 25176 Los Angeles NE end of Santa Susana Mtn.; Newhall Ranch, head of Adobe Cyn. and pass into Long Cyn. 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 335 Comment
  SEINET3880809  Asparagus officinalis A. C. Sanders, Mark A. Elvin 2002-6-19 25176 Los Angeles Ne end of Santa Susana Mtns.: Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Canyon' 1.5 mi SE of Del Valle, SW of Castaic Junciton, N of Potrero Canyon.; 0 335 Comment
  UCR125924  Asparagus officinalis A. C. Sanders, Mark Elvin 2002-6-19 25176 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  IRVC26362  Astragalus didymocarpus A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26050 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  RSA712910  Astragalus didymocarpus A. C. Sanders, Mark A. Elvin 2003-4-16 26050 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park. 366 Comment
  RSA714887  Astragalus didymocarpus A. C. Sanders, Mark A. Elvin 2003-4-14 25970 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  SBBG120066  Astragalus didymocarpus A. C. Sanders, M. Elvin 2003-4-14 25970 Los Angeles NE end of Santa Susana Mtns; Newhall Ranch, hills immediately SW of Magic Mtn, just across dirt service rd, S of Santa Clara River 351 Comment
  SD186190  Astragalus didymocarpus A. C. Sanders, Mark Elvin, et al. 2003-4-14 25970 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain. 351 Comment
  SEINET1004370  Astragalus didymocarpus A. C. Sanders, Mark Elvin, et al. 2003-1 25970 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  SEINET255354  Astragalus didymocarpus A. C. Sanders, Mark Elvin 2003-4-14 25970 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills immediately southewest of Magic Mountain, just across dirt service road, south of Santa Cara River 351 Comment
  UC635653  Astragalus didymocarpus H. L. Mason 1926-4-26 2963 Los Angeles four mi w Saugus; w of Saugus Comment
  UCD104718  Astragalus didymocarpus A. C. Sanders; Mark A. Elvin, et al. 2003-4-14 25970 Los Angeles NE end of Santa Susana Mtns. Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  UCR125489  Astragalus didymocarpus A. C. Sanders, Mark Elvin 2003-4-14 25970 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR126633  Astragalus didymocarpus A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26050 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  CAS-BOT-BC182301  Astragalus didymocarpus var. didymocarpus H. L. Mason 1926-4-26 2963 Los Angeles Four miles west of Saugus Comment
  UCR127024  Astragalus didymocarpus var. didymocarpus Mark A. Elvin, Cathleen Weigand 2003-4-8 2460 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  LA204949  Astragalus douglasii var. douglasii M. E. Jones; 1934-4-26 sn Los Angeles Castaic Canyon, Ridge Road Comment
  CAS-BOT-BC182981  Astragalus gambelianus A. C. Sanders 2003-4-17 26066 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  IRVC26984  Astragalus gambelianus A. C. Sanders 2003-4-17 26066 Los Angeles Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines NE end of Santa Susana Mtns. 396 Comment
  IRVC29285  Astragalus gambelianus Anuja Parikh, Nathan Gale 2003-5-21 s.n. Ventura Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 N side of Santa Susana Mtns. 457 Comment
  RSA709834  Astragalus gambelianus A. C. Sanders 2003-4-17 26066 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines. 10 Comment
  SD178160  Astragalus gambelianus A. C. Sanders 2003-4-17 26066 Los Angeles Northeast end of Santa Susana Mtns.: Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines. At foot of slope on canyon bottom. 395 Comment
  UCD104807  Astragalus gambelianus A. C. Sanders 2003-4-17 26066 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines. 396 Comment
  UCR126580  Astragalus gambelianus A. C. Sanders 2003-4-17 26066 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  UCR128128  Astragalus gambelianus Anuja Parikh, Nathan Gale 2003-5-21 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 518 Comment
  IRVC26366  Astragalus trichopodus A. C. Sanders, Mark A. Elvin 2003-4-16 26043 Los Angeles Newhall Ranch, near confluence of Castaic Creek and Hasley Canyon Santa Clara River watershed 305 Comment
  IRVC29104  Astragalus trichopodus A. C. Sanders 2003-6-20 27000 Los Angeles "Off-haul Canyon" between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  RSA712917  Astragalus trichopodus A. C. Sanders, Mark A. Elvin 2003-4-16 26043 Los Angeles Santa Clara River watershed: Newhall Ranch, near confluence of Castaic Creek and Hasley Canyon. 305 Comment
  RSA733362  Astragalus trichopodus A. C. Sanders 2003-6-20 27000 Los Angeles Western Transverse Range/Santa Clara River Watershed: Off-haul Canyon between San Martinez Grande Canyon and Ventura Co. line, north of Hwy. 126 and ca. 1km NNW of Mayo Spur 305 Comment
  SD234387  Astragalus trichopodus A. C. Sanders 2003-6-20 27000 Los Angeles Western Transverse Range / Santa Clara River Watershed: Off-haul Canyon between San Martinez Grand Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur. 305 Comment
  UCR126680  Astragalus trichopodus A. C. Sanders, Mark A. Elvin 2003-4-16 26043 Los Angeles Santa Clara River watershed, Newhall Ranch, near confluence of Castaic Creek and Hasley Canyon 335 Comment
  UCR127179  Astragalus trichopodus A. C. Sanders 2003-6-20 27000 Los Angeles Western Transverse Range/Santa Clara River Watershed, 'Off-haul Canyon' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and c. 1 km NNW of Mayo Spur, Newhall Ranch 366 Comment
  IRVC28597  Astragalus trichopodus var. phoxus A. C. Sanders, Mark Elvin 2002-6-19 25198 Los Angeles Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 282 Comment
  POM187626  Astragalus trichopodus var. phoxus Joseph A. Ewan 1930-5-17 5502 Los Angeles Pico Canyon above Newhall. 457 Comment
  UCR125917  Astragalus trichopodus var. phoxus A. C. Sanders, Mark Elvin 2002-6-19 25198 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  UCR125384  Athysanus pusillus A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25727 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon NE of 'Grapevine Mesa,' SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, west of 'oil tanks' near BM 1073 Comment
  UCR126790  Athysanus pusillus Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2733 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  RSA683891  Atriplex A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25474 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR238074  Atriplex argentea Mark A. Elvin, M. S. Enright 2002-7-22 2111 Los Angeles Western Transverse Range, Newhall Ranch, Salt Creek 305 Comment
  IRVC28760  Atriplex canescens A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25547 Los Angeles Newhall Ranch, central Potrero Canyon, NE of old ranch headquarters NE end of Santa Susana Mtns. 366 Comment
  UC472165  Atriplex canescens J. Ewan 1931-11-11 5298 Los Angeles Del Valle , Del Valle (Santa Clara River Valley) Comment
  UCR125135  Atriplex canescens A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25547 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, NE of old ranch headquarters 366 Comment
  UCR129422  Atriplex canescens A. C. Sanders, Mark Elvin 2002-6-18 25142 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  SD233801  Atriplex heterosperma A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25491 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley. 299 Comment
  UC1787285  Atriplex heterosperma A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25491 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley. 299 Comment
  UCR123268  Atriplex heterosperma A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25491 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  UCR125261  Atriplex heterosperma A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25539 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, at circular cement cattle trough on south side of valley 366 Comment
  UCR125401  Atriplex heterosperma A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25474 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR126364  Atriplex heterosperma A. C. Sanders 2003-8-6 27121 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  UCR127258  Atriplex heterosperma A. C. Sanders, Mark A. Elvin 2003-5-15 26740 Ventura Santa Susana Mtns., Salt Canyon, near Los Angeles Co. line, Newhall Ranch 335 Comment
  UCR162291  Atriplex heterosperma Anuja Parikh, Nathan Gale 2004-6-22 2068 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  IRVC28705  Atriplex lentiformis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25485 Los Angeles Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley NE end of Santa Susana Mtns. 300 Comment
  IRVC29100  Atriplex lentiformis A. C. Sanders 2003-6-20 26995 Los Angeles "Off-haul Canyon" between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  SD234360  Atriplex lentiformis A. C. Sanders 2003-6-20 26995 Los Angeles Western Transverse Range / Santa Clara River Watershed: Off-haul Canyon between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur. 305 Comment
  UCR123630  Atriplex lentiformis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25485 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  UCR127184  Atriplex lentiformis A. C. Sanders 2003-6-20 26995 Los Angeles Western Transverse Range/Santa Clara River Watershed, 'Off-haul Canyon' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and c. 1 km NNW of Mayo Spur, Newhall Ranch 366 Comment
  HSC95405  Atriplex micrantha A. C. Sanders, Mark A. Elvin, Cathleen Weigand 2002-7-30 25491 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley. 300 Comment
  RSA706655  Atriplex micrantha A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25491 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley. 300 Comment
  RSA717923  Atriplex micrantha A. C. Sanders, Mark Elvin 2003-5-15 26740 Ventura Salt Canyon, near Los Angeles Co. line, Newhall Ranch 335 Comment
  SBBG72586  Atriplex rosea R. Hoffmann 1927-8-30 Los Angeles W of Castaic Comment
  UCR125244  Atriplex rosea A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25515 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  IRVC28686  Atriplex serenana A. C. Sanders, Mark A. Elvin 2003-5-15 26739 Ventura Salt Canyon, near Los Angeles Co. line, Newhall Ranch Santa Susana Mtns. 335 Comment
  IRVC28702  Atriplex serenana A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25489 Los Angeles Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley NE end of Santa Susana Mtns. 300 Comment
  RSA703832  Atriplex serenana A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25489 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley. 300 Comment
  UCR123266  Atriplex serenana A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25489 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  UCR127266  Atriplex serenana A. C. Sanders, Mark A. Elvin 2003-5-15 26739 Ventura Santa Susana Mtns., Salt Canyon, near Los Angeles Co. line, Newhall Ranch 335 Comment
  IRVC27445  Atriplex serenana var. serenana A. C. Sanders, Mark A. Elvin 2002-8-28 25598 Los Angeles Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park NE end of Santa Susana Mtns. 360 Comment
  IRVC28600  Atriplex serenana var. serenana A. C. Sanders, Mark Elvin 2002-6-19 25203 Los Angeles Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 282 Comment
  RSA692081  Atriplex serenana var. serenana A. C. Sanders, Mark Elvin 2002-8-28 25598 Los Angeles NE end of Santa Susana Mts.: Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusment park 360 Comment
  UCR124032  Atriplex serenana var. serenana A. C. Sanders, Mark A. Elvin 2002-8-28 25598 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park 360 Comment
  UCR125946  Atriplex serenana var. serenana A. C. Sanders, Mark Elvin 2002-6-19 25203 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  UCR162595  Atriplex serenana var. serenana Anuja Parikh, Nathan Gale 2004-6-26 2071 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 14), near the Ventura County line, south of the river downstream of Potrero Canyon & Mayo Spur 335 Comment
  RSA0012148  Atriplex suberecta Mark A. Elvin, M. S. Enright 2002-7-22 2110 Los Angeles Newhall Ranch, Salt Creek 274 Comment
  RSA730752  Atriplex suberecta A. C. Sanders, Mark Elvin 2002-6-18 25113 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusment park. 328 Comment
  SD234362  Atriplex suberecta A. C. Sanders, Mark Elvin 2002-6-18 25113 Riverside NE end of Santa Susana Mtns.: Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park. 327 Comment
  SD239700  Atriplex suberecta Mark A. Elvin, M. S. Enright 2002-7-22 2110 Los Angeles Wesetern Transverse Range: Newhall Ranch, Salt Creek (Val Verde 7.5'Q) 289 Comment
  UCR125122  Atriplex suberecta A. C. Sanders, Mark Elvin 2002-6-18 25113 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 328 Comment
  UCR125267  Atriplex suberecta A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25511 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, dry side canyon near its mouth on north side of road, oil production area 366 Comment
  UCR238072  Atriplex suberecta Mark A. Elvin, M. S. Enright 2002-7-22 2110 Los Angeles Western Transverse Range, Newhall Ranch, Salt Creek 305 Comment
  UCR125390  Avena barbata A. C. Sanders, Mark Elvin 2003-3-5 25733 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UCR125416  Avena fatua A. C. Sanders, Mark Elvin 2003-3-5 25738 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  IRVC26110  Azolla filiculoides A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27137 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  RSA709378  Azolla filiculoides A. C. Sanders 2003-8-6 27137 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 320 Comment
  RSA756078  Azolla filiculoides A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27131 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  SD239478  Azolla filiculoides A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27131 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle (Val Verde 7.5'Q) 280 Comment
  UC1783437  Azolla filiculoides A. C. Sanders 25227 Los Angeles Santa Clara Riverbed 304 Comment
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Dec 7 2014
  UCR127645  Azolla filiculoides A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27137 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR127646  Azolla filiculoides A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27131 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR127647  Azolla filiculoides A. C. Sanders, Mark Elvin 2002-6-20 25227 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  RSA709377  Azolla microphylla A. C. Sanders, Mark Elvin 2002-6-20 25227 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  CAS-BOT-BC168648  Baccharis douglasii A. C. Sanders 2003-8-6 27116 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  IRVC28560  Baccharis douglasii A. C. Sanders 2003-8-6 27116 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  IRVC28704  Baccharis douglasii A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25486 Los Angeles Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley NE end of Santa Susana Mtns. 300 Comment
  IRVC28743  Baccharis douglasii A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25525 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction Santa Clara River Valley 305 Comment
  RSA709750  Baccharis douglasii A. C. Sanders 2003-8-6 27116 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  IRVC27022  Baccharis emoryi Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2996 Los Angeles S side of the Santa Clara River, ca 200 m upstream from the mouth of Potrero Creek Santa Clarita Valley 274 Comment
  UCR123364  Baccharis glutinosa A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25486 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  UCR125182  Baccharis glutinosa A. C. Sanders, Mark Elvin 2002-6-25 25261 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR126349  Baccharis glutinosa A. C. Sanders 2003-8-6 27116 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  UCR127384  Baccharis glutinosa A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25525 Los Angeles Santa Clara River Valley, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  SD167270  Baccharis pilularis Anuja Parikh, Nathan Gale 2004-5-13 2007 Los Angeles Northeast end of Santa Susana Mountains: Newhall Ranch near Magic Mountain Theme Park. 366 Comment
  LA105287  Baccharis salicifolia Barry A. Prigge; 1988-10-8 8371 Los Angeles Santa Susana Mountains, East Canyon, ca. 2 mi. SSE of Newhall and from the mouth of the canyon at the Old Road to ca 1/8 mi. up canyon 444 Comment
  UCR128004  Baccharis salicina Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2996 Los Angeles Santa Clarita Valley, S side of the Santa Clara River, c. 200 m upstream from the mouth of Potrero Creek 274 Comment
  UCR163181  Baccharis salicina Anuja Parikh, Nathan Gale 2004-6-21 2054 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 29), near mouth of Chiquito Canyon 396 Comment
  RSA713823  Baccharis sarothroides Mark Elvin 2003-6-12 2947 Los Angeles Santa Clarita Valley: Newhall Ranch, S of Magic Mountain Amusement Park, W of The Old Road. 366 Comment
  UCR126786  Baccharis sarothroides Mark A. Elvin 2003-6-12 2947 Los Angeles Santa Clarita Valley, Newhall Ranch, south of Magic Mountain Amusement Park, west of The Old Road 366 Comment
  UCR162366  Baccharis sarothroides Anuja Parikh, Nathan Gale 2004-5-13 2007 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch (study area 46), near Magic Mountain Theme Park 396 Comment
  UCR162367  Baccharis sarothroides Anuja Parikh, Nathan Gale 2004-5-13 2008 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch (study area 46), near Magic Mountain Theme Park 396 Comment
  UCR127142  Bassia hyssopifolia A. C. Sanders, Mark A. Elvin 2003-5-15 26741 Ventura Santa Susana Mtns., Salt Canyon, near Los Angeles Co. line, Newhall Ranch 335 Comment
  UCR127388  Bassia hyssopifolia A. C. Sanders, Mark Elvin 2002-8-7 25560 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  IRVC28713  Berula erecta A. C. Sanders, Mark Elvin 2002-6-25 25258 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  IRVC28744  Berula erecta A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25524 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction Santa Clara River Valley 305 Comment
  IRVC29017  Berula erecta A. C. Sanders, Mark Elvin 2002-6-25 25294 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  RSA683892  Berula erecta A. C. Sanders, Mark Elvin 2002-6-25 25258 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, large natural spring at north foot of Airport Mesa, 0.75 mi. SW of Castaic Junction. 305 Comment
  SD233721  Berula erecta A. C. Sanders, Mark Elvin 2002-6-25 25294 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. Comment
  UCR125137  Berula erecta A. C. Sanders, Mark Elvin 2002-6-25 25258 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR125170  Berula erecta A. C. Sanders, Mark Elvin 2002-6-25 25294 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR127383  Berula erecta A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25524 Los Angeles Santa Clara River Valley, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  CHSC98079  Beta vulgaris A. C. Sanders; Mark Elvin 2003-8-7 27158 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom east of Del Valle. Riparian forest, bordered by agricultural fields on alluvial slopes to the north. 282 Comment
  UCR126597  Beta vulgaris A. C. Sanders, Mark Elvin 2003-8-7 27158 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom east of Del Valle 282 Comment
  UCD97727  Beta vulgaris subsp. vulgaris A. C. Sanders; Mark Elvin 2003-8-7 27158 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom east of Del Valle. 282 Comment
  UCR128012  Bolboschoenus maritimus subsp. paludosus Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 3004 Los Angeles Santa Clarita Valley, Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  UCR128180  Bolboschoenus maritimus subsp. paludosus Mark A. Elvin, Cathleen Weigand 2003-5-21 2878 Ventura Western Transverse Range; Santa Susana Mountains, central part of Salt Canyon watershed, Newhall Ranch 518 Comment
  UCR129414  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, Mark Elvin 2002-6-20 25244 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  IRVC26305  Bowlesia incana Mark A. Elvin, Cathleen Weigand 2003-5-21 2871 Ventura central part of Salt Canyon watershed, Newhall Ranch Santa Susana Mountains 518 Comment
  IRVC26317  Bowlesia incana A. C. Sanders, Andy Thompson 2003-4-15 25995 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  IRVC26448  Bowlesia incana A. C. Sanders, Mark Elvin, et al. 2003-3-5 25709 Los Angeles Newhall Ranch, "Grapevine Mesa" ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon NE end of Santa Susana Mtns. 335 Comment
  IRVC26453  Bowlesia incana A. C. Sanders, Mark Elvin, et al. 2003-3-5 25720 Los Angeles Newhall Ranch, canyon NE of "Grapevine Mesa," SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, W of "oil tanks" near BM 1073 NE end of Santa Susana Mtns. Comment
  RSA709605  Bowlesia incana A. C. Sanders, A. Thompson 2003-4-15 25995 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  UCR125396  Bowlesia incana A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25720 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon NE of 'Grapevine Mesa,' SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, west of 'oil tanks' near BM 1073 Comment
  UCR125397  Bowlesia incana A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25709 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  UCR126655  Bowlesia incana A. C. Sanders, Andy Thomson 2003-4-15 25995 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCR128189  Bowlesia incana Mark A. Elvin, Cathleen Weigand 2003-5-21 2871 Ventura Western Transverse Range; Santa Susana Mountains, central part of Salt Canyon watershed, Newhall Ranch 518 Comment
  SBBG72251  Brassica geniculata R. Hoffmann 1929-5-19 Los Angeles 5 mi W of Castaic Comment
  UCR127403  Brassica geniculata A. C. Sanders, M. S. Enright 2002-8-8 25570 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 457 Comment
  UCR126826  Brassica nigra A. C. Sanders 2003-6-19 26976 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 366 Comment
  UCR127405  Brassica nigra A. C. Sanders, M. S. Enright 2002-8-8 25572 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 457 Comment
  UCR127063  Brassica tournefortii Mark A. Elvin, Cathleen Weigand 2003-4-8 2467 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  CHSC35172  Brickellia californica James Henrickson 1972-11-2 8097 Los Angeles 8 miles NW of Newhall, NW of jct. of Hwy 5 and Hasley Canyon Road. 365 Comment
  HSC79905  Brickellia californica James Henrickson 1972-11-2 8097 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 & Hasley Cyn. Rd. 366 Comment
  UCR162580  Brickellia longifolia Anuja Parikh, Nathan Gale 2004-7-9 2081 Los Angeles NE end of Santa Susana Mtns, Newhall Ranch (study area 19), south of the river between Potrero and Salt Creek Canyons 427 Comment
  UCR172451  Brickellia longifolia Anuja Parikh, Nathan Gale 2005-7-5 2124 Los Angeles Santa Susana Mtns., Newhall Ranch, slopes south of upper Potrero Canyon, south of Santa Clara River c. 2 mi. east of the Ventura Co. line, study area 19 396 Comment
  CHSC34437  Brickellia nevinii James Henrickson 1972-11-2 8103 Los Angeles 8 mi NW of Newhall, NW of jct. of Hwy 5 and Hasley Cyn. Rd. 365 Comment
  IRVC28739  Brickellia nevinii A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25578 Los Angeles Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, N of East Fork Salt Canyon NE end of Santa Susana Mtns. 488 Comment
  RSA292479  Brickellia nevinii James Henrickson 1972-11-2 8103 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 & Hasley Cyn. Rd. 366 Comment
  RSA683894  Brickellia nevinii A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand, et al. 2002-8-8 25578 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, N of East Fork Salt Canyon 488 Comment
  UCD129640  Brickellia nevinii Anuja Parikh; Nathan Gale 2003-6-24 s.n. Los Angeles Western Transverse Range/Santa Clara River Watershed: Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, northwest of Del Valle. 120 Comment
  UCR127375  Brickellia nevinii A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25578 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, north of East Fork Salt Canyon 549 Comment
  UCR133672  Brickellia nevinii Anuja Parikh, Nathan Gale 2003-6-24 s.n. Los Angeles Western Transverse Range/Santa Clara River Watershed, Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, NW of Del Valle 457 Comment
  UCR162574  Brickellia nevinii Anuja Parikh, Nathan Gale 2004-7-1 2074 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 15), south of the river near Potrero Canyon 366 Comment
  UCR238077  Brickellia nevinii Mark A. Elvin, Julie M. Vanderwier 2002-7-18 2104 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, ridge west of Potrero Canyon 396 Comment
  IRVC26367  Bromus carinatus A. C. Sanders, Mark A. Elvin 2003-4-16 26044 Los Angeles Newhall Ranch, near confluence of Castaic Creek and Hasley Canyon Santa Clara River watershed 305 Comment
  RSA712916  Bromus carinatus A. C. Sanders, Mark A. Elvin 2003-4-16 26044 Los Angeles Santa Clara River watershed: Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi south of of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  RSA722916  Bromus carinatus A. C. Sanders, Mark A. Elvin 2003-4-16 26044 Los Angeles Santa Clara watershed; Newhall Ranch near confluence of Castaic Creek and Hansley Canyon. 93 Comment
  SD186028  Bromus carinatus A. C. Sanders, Mark A. Elvin 2003-4-16 26044 Los Angeles Newhall Ranch, near confluence of Castaic Creek and Hasley Canyon 305 Comment
  UCR126679  Bromus carinatus A. C. Sanders, Mark A. Elvin 2003-4-16 26044 Los Angeles Santa Clara River watershed, Newhall Ranch, near confluence of Castaic Creek and Hasley Canyon 335 Comment
  CAS-BOT-BC149579  Bromus carinatus var. carinatus A. C. Sanders; Mark A. Elvin 2003-4-16 26044 Los Angeles Santa Clara River watershed. Newhall Ranch, near confluence of Castaic Creek and Hasley Canyon. 335 Comment
  UCR128275  Bromus carinatus var. carinatus Anuja Parikh, Nathan Gale 2003-5-15 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 518 Comment
  UCR127648  Bromus catharticus A. C. Sanders, Mark Elvin 2002-6-25 25268 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR127054  Bromus diandrus Mark A. Elvin, Cathleen Weigand 2003-4-8 2466 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  UCR127273  Bromus diandrus A. C. Sanders, Mark A. Elvin 2003-5-15 26737 Ventura Santa Susana Mtns., canyon below old ranch site in upper south fork of Salt Canyon along dirt road to the crest of the range, Newhall Ranch 518 Comment
  IRVC29282  Bromus grandis Anuja Parikh, Nathan Gale 2003-5-15 s.n. Ventura Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 N side of Santa Susana Mtns. 457 Comment
  UCR128274  Bromus grandis Anuja Parikh, Nathan Gale 2003-5-15 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 518 Comment
  CHSC36027  Bromus hordeaceus James Henrickson 1979-5-18 18136 Los Angeles Ca 1 mile N of Valencia, E of College of the Canyon between Valencia and McBean Parkway. 426 Comment
  UCR126695  Bromus madritensis A. C. Sanders, Andy Thomson 2003-4-15 25993 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCR127436  Bromus madritensis A. C. Sanders, Mark A. Elvin 2003-5-15 26733 Ventura Santa Susana Mtns., canyon below old ranch site in upper south fork of Salt Canyon along dirt road to the crest of the range, Newhall Ranch 518 Comment
  UCR125404  Bromus rubens A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25695 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  RSA709606  Bromus sterilis A. C. Sanders, A. Thompson 2003-4-15 25993 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  UCR126654  Bromus trinii A. C. Sanders, Andy Thomson 2003-4-15 25997 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  IRVC26445  Calandrinia ciliata A. C. Sanders, Mark Elvin, et al. 2003-3-4 25694 Los Angeles Newhall Ranch, along dirt road on eastern slopes below "Grapevine Mesa," 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  IRVC28844  Calandrinia ciliata Mark A. Elvin, Cathleen Weigand 2003-4-8 2465 Los Angeles Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks Santa Clarita Valley 351 Comment
  UCR125403  Calandrinia ciliata A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25694 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along dirt road on eastern slopes below 'Grapevine Mesa,' 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR127022  Calandrinia ciliata Mark A. Elvin, Cathleen Weigand 2003-4-8 2465 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  CAS-BOT-BC132345  Calochortus clavatus Reid Moran 1941-8-17 862 Los Angeles Pico Canyon 600 Comment
  CAS-BOT-BC132348  Calochortus clavatus J. Ewan 1930-5-17 5512 Los Angeles Pico Canyon above Newhall 548 Comment
  CAS-BOT-BC132349  Calochortus clavatus Reid Moran 1941-8-17 862 Los Angeles Pico Canyon 600 Comment
  IRVC26176  Calochortus clavatus Mark A. Elvin, Cathleen Weigand 2003-4-7 2436 Los Angeles Newhall Ranch, junction of Hasley Canyon and Castaic Creek Castaic Valley 335 Comment
  SBBG132181  Calochortus clavatus A. Parikh, N. Gale 2014-5-8 808 Los Angeles N of Santa Clara River, 1.3 km S of intersection of Hasley Cyn Rd and Del Valle Rd 392 Comment
  SBBG57679  Calochortus clavatus R. Hoffmann 1929-4-26 Los Angeles 5 mi W of Castaic Comment
  UCR126578  Calochortus clavatus A. C. Sanders 2003-4-17 26065 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  UCR126697  Calochortus clavatus A. C. Sanders, Andy Thomson 2003-4-15 25991 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCR127008  Calochortus clavatus A. C. Sanders 2003-6-18 26931 Los Angeles Western Transverse Range/Santa Clara River Watershed, near mouth of 'Off-haul Canyon' c. 1 mile west of Mayo Spur between San Martinez Grande Canyon the Ventura Co. line, north of Hwy 126, Newhall Ranch 305 Comment
  UCR127056  Calochortus clavatus Mark A. Elvin, Cathleen Weigand 2003-4-7 2436 Los Angeles Castaic Valley, Newhall Ranch, junction of Hasley Canyon and Castaic Creek 335 Comment
  UCR128123  Calochortus clavatus Anuja Parikh, Nathan Gale 2003-6-5 s.n. Los Angeles N side of Santa Susana Mtns., Newhall Ranch, western face of the ridge between Potrero and Salt Canyons, just south of the Santa Clara River, survey area 78 427 Comment
  UCR16298  Calochortus clavatus Dave Cerf 1971-5-8 s.n. Los Angeles San Martinez Grande Canyon Road 1 mi north of Hwy 126 305 Comment
  RSA26278  Calochortus clavatus var. clavatus Reid V. Moran 1941-8-17 862 Los Angeles Pico Canyon. 600 Comment
  IRVC26957  Calochortus clavatus var. gracilis A. C. Sanders 2003-4-17 26065 Los Angeles Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines NE end of Santa Susana Mtns. 396 Comment
  RSA735589  Calochortus clavatus var. gracilis A. Edwards, A. Rudalevige 2008-4-29 123 Los Angeles Transverse Ranges, Santa Susana mtns region, At the Los Angeles County Fire Depts Del Valle Training Facility.Near center of 24 acre site 354 Comment
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Oct 23 2015
  SBBG121996  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2005-4-16 767 Los Angeles N of Santa Clara River, 0.8 km S of intersection of Hasley Cyn Rd and Del Valle Rd 418 Comment
  SBBG122075  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2003-5-20 1747 Los Angeles N of Santa Clara River, 3 mi NW of Castaic Junction, S slopes of Hasley Cyn 385 Comment
  SBBG122076  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2003-5-20 1746 Los Angeles N of Santa Clara River, 3 mi NW of Castaic Junction, S slopes of Hasley Cyn 375 Comment
  SBBG124789  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2010-4-22 2157 Los Angeles Newhall Ranch, Long Cyn, 1.5 km N of Potrero Cyn, 1.5 km S of Del Valle 333 Comment
  SBBG132180  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2014-5-19 809 Los Angeles N of Santa Clara River near Val Verde, 0.2 km N of Hunstock St, 0.1 km SE of Del Valle Rd 395 Comment
  UCR174486  Calochortus clavatus var. gracilis Anuja Parikh, Nathan Gale 2005-4-22 2104 Los Angeles Western Transverse Range, Newhall Ranch (study area 51), VCC, near Castaic Creek 330 Comment
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Apr 9 2009
  UCR162204  Calystegia Anuja Parikh, Nathan Gale 2004-7-1 2075 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 15), south of the river near Potrero Canyon 366 Comment
  UCR162516  Calystegia longipes Anuja Parikh, Nathan Gale 2004-6-1 2019 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 2) in vicinity of confluence of Chiquito Canyon 274 Comment
  UCR162590  Calystegia macrostegia Anuja Parikh, Nathan Gale 2004-7-12 2085 Los Angeles NE end of Santa Susana Mtns, Newhall Ranch (study area 22), ridges south of upper Potrero Canyon 427 Comment
  UC1123613  Calystegia macrostegia subsp. cyclostegia P. L. Johannsen 1934-2-20 298 Ventura near mouth Salt Creek; Santa Susana Quad., near mouth Salt Creek Comment
  IRVC28598  Calystegia peirsonii A. C. Sanders, Mark Elvin 2002-6-19 25200 Los Angeles Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 282 Comment
  RSA714883  Calystegia peirsonii A. C. Sanders, Mark Elvin, et al. 2003-4-14 25967 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  SBBG119980  Calystegia peirsonii A. C. Sanders, M. Elvin 2003-4-14 25967 Los Angeles NE end of Santa Susana Mtns, Newhall Ranch, hills immediately SW of Magic Mtn, just across dirt service rd, S of Santa Clara River 351 Comment
  SBBG122096  Calystegia peirsonii A. Parikh, N. Gale 2000-4-30 1731 Los Angeles SE of confluence of Castaic Crk and Santa Clara River, N side of Santa Susana Mtns 310 Comment
  SD186168  Calystegia peirsonii A. C. Sanders, Mark Elvin, et al. 2003-4-14 25967 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain. 351 Comment
  UCR125156  Calystegia peirsonii A. C. Sanders, Mark Elvin 2002-6-18 25119 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR125485  Calystegia peirsonii A. C. Sanders, Mark Elvin 2003-4-14 25967 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR125945  Calystegia peirsonii A. C. Sanders, Mark Elvin 2002-6-19 25200 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  UCR128154  Calystegia peirsonii Mark A. Elvin, Cathleen Weigand 2003-4-7 2447 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  RSA717319  Camissonia A. C. Sanders, Mark A. Elvin 2003-4-14 25958 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt services road, south of Santa Clara River. 351 Comment
  UCR127654  Camissonia A. C. Sanders, Mark Elvin 2003-4-14 25958 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  IRVC26345  Camissonia bistorta A. C. Sanders, Andy Thompson 2003-4-15 26017 Los Angeles Newhall Ranch, disturbed alluvial flat ca. 500 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 351 Comment
  IRVC26465  Camissonia bistorta A. C. Sanders, Mark Elvin, et al. 2003-3-4 25699 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  UCR125407  Camissonia bistorta A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25699 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR126567  Camissonia bistorta A. C. Sanders, Andy Thomson 2003-4-15 26017 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, disturbed alluvial flat c. 500 ft. south of Magic Mountain theme park 351 Comment
  IRVC29099  Camissonia boothii A. C. Sanders 2003-6-20 26994 Los Angeles "Off-haul Canyon" between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  RSA725755  Camissonia boothii A. C. Sanders 2003-6-20 26994 Los Angeles Western Transverse Range/Santa Clara River Watershed: Off-haul Canyon between San Martinez Grande Canyon and Ventura Co. line, north of Hwy. 126 and ca. 1km NNW of Mayo Spur. 305 Comment
  SEINET1907235  Camissonia boothii A. C. Sanders 2003-1 26994 Los Angeles Western Transverse Range/Santa Clara River Watershed: ''Off-haul Canyon'' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur. 305 Comment
  UCR127161  Camissonia boothii A. C. Sanders 2003-6-20 26994 Los Angeles Western Transverse Range/Santa Clara River Watershed, 'Off-haul Canyon' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and c. 1 km NNW of Mayo Spur, Newhall Ranch 366 Comment
  IRVC26256  Camissonia boothii subsp. decorticans Mark A. Elvin 2003-4-9 2471 Los Angeles Newhall Ranch Commerce Center, canyon N of SR 126 from 'Grapevine Mesa' Santa Clarita Valley 335 Comment
  RSA187624  Camissonia boothii subsp. decorticans Joseph A. Ewan 1930-5-17 5508 Los Angeles Pico Canyon above Newhall. 549 Comment
  UCR127365  Camissonia boothii subsp. decorticans Mark A. Elvin 2003-4-9 2471 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  UCR129411  Camissonia californica A. C. Sanders, Mark Elvin 2002-6-20 25254 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR142074  Camissoniopsis A. C. Sanders, Mark A. Elvin 2003-6-20 27004 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  SD186261  Camissoniopsis bistorta A. C. Sanders, Andy Thompson 2003-4-15 26017 Los Angeles Newhall Ranch, 500 ft. south of Magic Mountain theme park. 351 Comment
  UCR125427  Capsella bursa-pastoris A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25712 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  UCR127399  Capsella bursa-pastoris A. C. Sanders, Mark Elvin, , Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25565 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  RSA714513  Cardaria draba A. C. Sanders, Andy Thompson 2003-4-15 26019 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park. 316 Comment
  SD186147  Cardaria draba A. C. Sanders, Andy Thompson 2003-4-15 26019 Los Angeles Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park. 316 Comment
  UCR125935  Carduus pycnocephalus A. C. Sanders, Mark Elvin 2002-6-19 25170 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  SEINET3897006  Carex alma A. C. Sanders, Mark A. Elvin 2002-6-19 25147 Los Angeles Ne end of Santa Susana Mtns.: Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just sourht of Santa Clara River (Val Verd 7.5').; 0 305 Comment
  SEINET7549354 Image available Carex alma A. C. Sanders, Mark Elvin 2002-6-19 25147 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River (Val Verde 7.5' Q.) 305 Comment
  UCR162582  Carex alma Anuja Parikh, Nathan Gale 2004-6-21 2060 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 29), near mouth of Chiquito Canyon 396 Comment
  UCR168038  Carex alma A. C. Sanders, Mark A. Elvin 2002-6-19 25147 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR162295  Carex praegracilis Anuja Parikh, Nathan Gale 2004-6-22 2065 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  IRVC26197  Castilleja affinis A. C. Sanders 2003-6-19 26969 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  POM180171  Castilleja affinis J. Ewan 1930-5-17 5509 Los Angeles Pico Canyon above Newhall. 549 Comment
  UCR126998  Castilleja affinis A. C. Sanders 2003-6-19 26969 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  UCR129406  Castilleja affinis A. C. Sanders, Mark Elvin 2002-6-20 25248 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  SBBG66951  Castilleja applegatei subsp. pinetorum R. Hoffmann 1929-4-26 Los Angeles 5 mi W of Castaic Comment
  RSA714913  Castilleja exserta A. C. Sanders, Mark A. Elvin 2003-4-14 25978 Los Angeles Santa Clara River watershed; Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  UCR125499  Castilleja exserta A. C. Sanders, Mark Elvin 2003-4-14 25978 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  UCR125500  Castilleja exserta A. C. Sanders, Mark Elvin 2003-4-14 25972 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR126591  Castilleja exserta A. C. Sanders 2003-4-17 26069 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  UCR128266  Castilleja exserta Mark A. Elvin, Cathleen Weigand 2003-5-21 2885 Ventura Western Transverse Range; Santa Susana Mountains, central part of Salt Canyon watershed, Newhall Ranch 518 Comment
  UCR126523  Castilleja foliolosa Anuja Parikh, Nathan Gale 2003-5-14 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek 457 Comment
  UCR128270  Castilleja foliolosa Anuja Parikh, Nathan Gale 2003-5-15 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 518 Comment
  UCR172448  Castilleja minor subsp. spiralis Anuja Parikh, Nathan Gale 2005-7-7 2127 Los Angeles Santa Clara River Valley, near confluence of Castaic Creek and the river, Newhall Ranch, study area 44 290 Comment
  UCR172456  Castilleja subinclusa subsp. franciscana Anuja Parikh, Nathan Gale 2005-6-2 2114 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, SW of Magic Mountain, study area 46 366 Comment
  UCR126794  Caucalis microcarpa Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2728 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  CAS-BOT-BC48739  Ceanothus crassifolius Roxana S. Ferris 1941-3-9 10321 Los Angeles Pico Canyon, Santa Susana Mountains, about 2 miles west of U.S. Highway #99 Comment
  IRVC26376  Ceanothus crassifolius Anuja Parikh, Nathan Gale 2003-5-13 s.n. Ventura Newhall Ranch, Salt Creek N side of Santa Susana Mtns. 457 Comment
  IRVC27306  Ceanothus crassifolius A. C. Sanders, Mark Elvin 2003-8-7 27150 Los Angeles Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon NE end of Santa Susana Mtns. 351 Comment
  LA36843  Ceanothus crassifolius Roxana S. Ferris; 1941-3-9 10321 Los Angeles Santa Susana Mountains, Pico Canyon, Ca. 2 mi. W of U.S. Hwy. 99 Comment
  UCR126521  Ceanothus crassifolius Anuja Parikh, Nathan Gale 2003-5-13 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek 457 Comment
  UCR126710  Ceanothus crassifolius A. C. Sanders, Mark Elvin 2003-8-7 27150 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon 351 Comment
  GH349050  Ceanothus crassifolius var. planus R. S. Ferris 1941-3-9 10321 Unknown Pico Canyon, Santa Susana Mountains, about 2 miles west of U.S. HIghway #99 Comment
  RSA27114  Ceanothus crassifolius var. planus Roxana S. Ferris 1941-3-9 10321 Los Angeles Pico Canyon, Santa Susana Mountains, about 2 miles west of US Highway #99 Comment
  IRVC28846  Ceanothus cuneatus Mark A. Elvin, Cathleen Weigand 2003-4-8 2458 Los Angeles Newhall Ranch, flats S of confluence of Hasley Canyon with Castaic Creek Santa Clarita Valley 297 Comment
  SBBG119452  Ceanothus cuneatus M. A. Elvin, C. Weigand 2003-4-8 2458 Los Angeles flats S of confluence of Hasley Cyn with Castaic Crk, Newhall Ranch 297 Comment
  UCR127058  Ceanothus cuneatus Mark A. Elvin, Cathleen Weigand 2003-4-8 2458 Los Angeles Santa Clarita Valley, Newhall Ranch, flats south of confluence of Hasley Canyon with Castaic Creek 297 Comment
  UC1070857  Ceanothus leucodermis P. L. Johannsen 1934-2-17 288 Los Angeles Pico Canyon Santa Susana quad. 640 Comment
  UCR126793  Ceanothus oliganthus Mark A. Elvin 2003-8-13 2987 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  UC1071164  Ceanothus oliganthus var. oliganthus P. L. Johannsen 1934-2-17 289 Los Angeles Pico Canyon Santa Susana quad. 640 Comment
  SBBG65834  Centaurea melitensis R. Hoffmann 1929-4-26 Los Angeles ca. 5 mi W of Castaic Comment
  UCR125942  Centaurea melitensis A. C. Sanders, Mark Elvin 2002-6-19 25190 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  UCR172450  Centaurium exaltatum Anuja Parikh, Nathan Gale 2005-7-7 2125 Los Angeles Santa Clara River Valley, near confluence of Castaic Creek and the river, Newhall Ranch, study area 44 290 Comment
  UCR128120  Cerastium glomeratum Anuja Parikh, Nathan Gale 2003-5-15 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 518 Comment
  UCR125180  Cercocarpus betuloides A. C. Sanders, Mark Elvin 2002-6-25 25272 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  CAS-BOT-BC142148  Cercocarpus betuloides var. betuloides Roxana S. Ferris 1941-3-10 10326 Los Angeles Ridge west of U.S. Highway #99 near Pico Canyon Road 472 Comment
  SBBG122095  Cercocarpus betuloides var. betuloides A. Parikh, N. Gale 2000-4-30 1730 Los Angeles Newhall Ranch, SE of confluence of Castaic Crk and Santa Clara River, N side of Santa Susana Mtns 345 Comment
  IRVC26426  Chaenactis glabriuscula A. C. Sanders, Mark Elvin 2003-3-5 25728 Los Angeles Newhall Ranch, "Exon Mesa," due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  IRVC27309  Chaenactis glabriuscula A. C. Sanders, Mark Elvin, et al. 2003-4-14 25950 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River NE end of Santa Susana Mtns. 351 Comment
  UCR125385  Chaenactis glabriuscula A. C. Sanders, Mark Elvin 2003-3-5 25728 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UCR126636  Chaenactis glabriuscula A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26054 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  UCR126718  Chaenactis glabriuscula A. C. Sanders, Mark Elvin 2003-4-14 25950 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR163182  Chenopodium Anuja Parikh, Nathan Gale 2004-6-21 2055 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 29), near mouth of Chiquito Canyon 396 Comment
  UCR127391  Chenopodium album A. C. Sanders, Mark Elvin 2002-8-7 25557 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  RSA732722  Chenopodium album var. album A. C. Sanders 2002-7-20 25220 Los Angeles NE end of Santa Ana Mtns: Santa Clara River bottom at confluence with castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  UCR127887  Chenopodium album var. lanceolatum A. C. Sanders, Mark Elvin 2002-6-20 25220 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  IRVC28746  Chenopodium berlandieri A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25521 Los Angeles Santa Clara River Valley, S side at edge of farm fields near mouth of "Long Canyon" ca. 1 km due S of Del Valle NE end of Santa Susana Mtns. 274 Comment
  IRVC28749  Chenopodium berlandieri A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25538 Los Angeles Newhall Ranch, central Potrero Canyon, at circular cement cattle trough on south side of valley NE end of Santa Susana Mtns. 366 Comment
  IRVC29001  Chenopodium berlandieri A. C. Sanders, Mark Elvin 2002-6-25 25267 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  RSA706654  Chenopodium berlandieri A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25538 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, central Potrero Canyon, at circular cement cattle trough on south side of valley 366 Comment
  UCR125139  Chenopodium berlandieri A. C. Sanders, Mark Elvin 2002-6-25 25267 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR125238  Chenopodium berlandieri A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25521 Los Angeles NE end of Santa Susana Mtns., Santa Clara River Valley, south side at edge of farm fields near mouth of 'Long Canyon' c. 1 km due south of Del Valle 274 Comment
  UCR125262  Chenopodium berlandieri A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25538 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, at circular cement cattle trough on south side of valley 366 Comment
  UCR125400  Chenopodium berlandieri A. C. Sanders, Mark Elvin 2002-6-20 25231 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR126350  Chenopodium berlandieri A. C. Sanders 2003-8-6 27115 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  UCR127382  Chenopodium berlandieri A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25523 Los Angeles Santa Clara River Valley, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR237898  Chenopodium berlandieri Mark A. Elvin 2003-4-22 2530 Los Angeles Western Transverse Range, Newhall Ranch, bee site on open former oil well pad just east of Grapevine Mesa, S of Santa Clara River and Hwy 126, c. 4 mi. east of Ventura Co. line 314 Comment
  RSA706649  Chenopodium botrys A. C. Sanders, Mark Elvin 2002-6-20 25218 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  UCR129398  Chenopodium botrys A. C. Sanders, Mark Elvin 2002-6-20 25218 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR125937  Chenopodium californicum A. C. Sanders, Mark Elvin 2002-6-19 25186 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  HSC95241  Chenopodium rubrum A. C. Sanders, Mark A. Elvin, Cathleen Weigand 2002-8-1 25522 Los Angeles Santa Clara River Valley, Newhall Ranch, large natural spring at N foot of "Airport Mesa," 0.75 mi. SW of Castaic Jct. 305 Comment
  IRVC28745  Chenopodium rubrum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25522 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction Santa Clara River Valley 305 Comment
  RSA683889  Chenopodium rubrum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25522 Los Angeles Santa Clara River Valley; Newhall Ranch, large natural spring at north foot of Airport Mesa, 0,75 mi. SW of Castaic Junction. 305 Comment
  UCR123264  Chenopodium rubrum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25487 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  UCR127381  Chenopodium rubrum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25522 Los Angeles Santa Clara River Valley, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  RSA712909  Chorizanthe coriacea A. C. Sanders, Mark A. Elvin 2003-4-16 26052 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park. 366 Comment
  UCR126635  Chorizanthe coriacea A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26052 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  UCR126690  Chorizanthe coriacea A. C. Sanders, Andy Thomson 2003-4-15 26016 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, disturbed alluvial flat c. 500 ft. south of Magic Mountain theme park 351 Comment
  RSA726192  Chorizanthe parryi Mark A. Elvin 2003-6-19 2948 Los Angeles Western Tansverse Range: hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch 366 Comment
  SEINET11261911  Chorizanthe parryi Mark A. Elvin 2003-6-30 2961 Los Angeles Western Transverse Range; Santa Clarita Valley area: Newhall Ranch, west side of Grapevine Mesa, 4 km SW (2161/4) of intersection of I-5 Fwy and Hwy 126 (Val Verde 7.5' Q.); 0 366 Comment
  CAS-BOT-BC168203  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-19 2948 Los Angeles Western Transverse Range: hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch 366 Comment
  CAS-BOT-BC250939  Chorizanthe parryi var. fernandina Mark A. Elvin; Cathleen Weigand 2003-4-8 2453 Los Angeles Santa Clarita Valley: Newhall Ranch Commerce Center, confluence of Hasley Canyon and Castaic Creek, N of Hwy 126 319 Comment
  CAS-BOT-BC250940  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-30 2961 Los Angeles Western Transverse Range; Santa Clarita Valley Area: Newhall Ranch, west side of Grapevine Mesa, 4 km SW (216 deg. ) of intersection of I-5 Fwy and Hwy 126 366 Comment
  CAS-BOT-BC252761  Chorizanthe parryi var. fernandina A. C. Sanders; Mark Elvin 2003-8-7 271554 Los Angeles Newhall Ranch, Long (Larres) Canyon a tributary of the Santa Clara River NE of Potrero Canyon, Val Verde 7.5' Q., NE end of Santa Susana Mtns. 350 Comment
  CAS-BOT-BC252762  Chorizanthe parryi var. fernandina Mark Elvin 2003-6-19 2948 Los Angeles Hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch, Val Verde 7.5' Q., Western Transverse Range 365 Comment
  CAS-BOT-BC252763  Chorizanthe parryi var. fernandina Vipul Joshi; Mark Elvin; Tricia Wotipka 2003-6-11 2940 Los Angeles Newhall Ranch, ridge ca 900 m SW of Airport Mesa, Val Verde 7.5' Q., N end of Santa Susana Mtns. 365 Comment
  IRVC27301  Chorizanthe parryi var. fernandina A. C. Sanders, Mark Elvin 2003-8-7 27154 Los Angeles Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon NE end of Santa Susana Mtns. 351 Comment
  IRVC28395  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-19 2948 Los Angeles hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch Western Transverse Range 366 Comment
  JEPS105689  Chorizanthe parryi var. fernandina unknown May 2000 Los Angeles Newhall Ranch area S of Castaic Junction, edge of mesa S of Santa Clara River Comment
  RSA709771  Chorizanthe parryi var. fernandina A. C. Sanders 2003-8-7 27154 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon 351 Comment
  RSA714980  Chorizanthe parryi var. fernandina Mark A. Elvin, Vipul Joshi, Tricia Wotipka 2003-6-11 2940 Los Angeles N end of Santa Susana Mtns.: Newhall Ranch, ridge ca 900 m SW of 'Airport Mesa' 366 Comment
  RSA791802  Chorizanthe parryi var. fernandina Mark A. Elvin, Cathleen Weigand 2003-4-8 2453 Los Angeles Santa Clarita Valley: Newhall Ranch Commerce Center, confluence of Hasley Canyon and Castaic Creek, north of highway 126. 319 Comment
  RSA791803  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-30 2961 Los Angeles Western Transverse Range; Santa Clarita Valley Area: Newhall Ranch, west side of Grapevine Mesa, 4 km southwest (216 degrees) of intersection of I-5 Freeway and Highway 126. 366 Comment
  SBBG119985  Chorizanthe parryi var. fernandina M. A. Elvin 2003-6-11 2940 Los Angeles ridge ca. 900 m SW of Airport Mesa, Newhall Ranch, N end of Santa Susana Mtns 366 Comment
  SBBG120544  Chorizanthe parryi var. fernandina R. Burgess, P. Munro 2000-5-25 3866 Los Angeles S side of Hwy 126, E of Ventura County line 274 Comment
  SBBG122078  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2001-5-30 1735 Los Angeles 0.5 km N of Hwy 126, 0.25 km W of San Martinez Grande Cyn Rd 340 Comment
  SBBG122080  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2001-6-4 1736 Los Angeles mesa N of confluence of Hasley Cyn and Castaic Crk, 1 km W of Castaic Junction, N of Hwy 126 325 Comment
  SBBG122081  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2002-5-4 1737 Los Angeles 1.5 km S of Castaic Junction, 0.5 km W of Six Flags Magic Mtn 345 Comment
  SBBG122097  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2000-5-6 1732 Los Angeles upper slope of SW part of Grapevine Mesa, 2.5 km ESE of Del Valle, N side Santa Susana Mtns 375 Comment
  SBBG124787  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2010-4-7 2156 Los Angeles Newhall Ranch, 1.8 km S of jct of Interstate 5 and Hwy 126 345 Comment
  SBBG124788  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2010-4-7 2155 Los Angeles Newhall Ranch, 0.1 km W of Potrero Cyn, S of Santa Clara River, 1 km S of Hwy 126 315 Comment
  SBBG128649  Chorizanthe parryi var. fernandina M. A. Elvin 2003-6-30 2961 Los Angeles Newhall Ranch, W side of Grapevine Mesa, 4 km SW (216 deg ) of intersection of I-5 Fwy and Hwy 126 366 Comment
  SBBG128650  Chorizanthe parryi var. fernandina M. A. Elvin, C. Weigand 2003-4-8 2453 Los Angeles Newhall Ranch Commerce Center, confluence of Hasley Cyn and Castaic Crk, N of Hwy 126 319 Comment
  SBBG128665  Chorizanthe parryi var. fernandina M. A. Elvin 2003-4-24 2527 Los Angeles Vallencia, Newhall Ranch , entrance to Magic Mtn Theme Park, survey area 62 366 Comment
  SBBG132186  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2014-5-13 2168 Los Angeles 1.7 km SE of Hwy 126, 1.3 km N of Potrero Cyn Rd; N side of Santa Susana Mtns; Newhall Ranch 310 Comment
  SBBG132187  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2014-5-12 2167 Los Angeles 2.9 km SE of Hwy 126, 2.1 km W of Interstate 5; N side of Santa Susana Mtns; Newhall Ranch 380 Comment
  SBBG132188  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2014-5-11 2166 Los Angeles 1.8 km SE of Hwy 126, 2.0 km W of Interstate 5; N side of Santa Susana Mtns; Newhall Ranch 400 Comment
  SBBG132189  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2014-5-11 2165 Los Angeles 1.4 km SE of Hwy 126, 1.9 km W of Interstae 5; N side of Santa Susana Mtns; Newhall Ranch 349 Comment
  SBBG132190  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2014-5-11 2164 Los Angeles 1.2 km SE of Hwy 126, 2.8 km W of Interstate 5; N side of Santa Susana Mtns; Newhall Ranch 330 Comment
  SBBG132191  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2014-5-11 2163 Los Angeles 1.2 km SE of Hwy 126, 2.4 km W of Interstate 5; N side of Santa Susana Mtns; Newhall Ranch 380 Comment
  SBBG35221  Chorizanthe parryi var. fernandina M. A. Elvin 2003-6-19 2948 Los Angeles hills W of San Martinez Grande Cyn, N of CA St Hwy 126, Newhall Ranch 366 Comment
  SD178201  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-19 2948 Los Angeles Western Transverse Range: hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch. On open flat. 366 Comment
  SD186287  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-11 2940 Los Angeles N end of Santa Susana Mtns.: Newhall Ranch, ridge ca 900 m SW of Airport Mesa 111 Comment
  SD241136  Chorizanthe parryi var. fernandina Mark A. Elvin, Cathleen Weigand 2003-4-8 2453 Los Angeles Santa Clarita Valley: Newhall Ranch Commerce Center, confluence of Hasley Canyon and Castaic Creek, N of Hwy 126 (Newhall 7.5'Q) 319 Comment
  SD241137  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-30 2961 Los Angeles Western Transverse Range; Santa Clarita Valley Area: Newhall Ranch, west side of Grapevine Mesa 4 km SW (216a^z) of intersection of I-5 Fwy and Hwy 126 (Val Verde 7.5'Q) 366 Comment
  SD241924  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-4-24 2527 Los Angeles Santa Clara River Valley: Valencia, Newhall Ranch, entrance to Magic Mountain Theme Park, survey area 62 (Newhall 7.5'Q) 477 Comment
  SEINET1906981  Chorizanthe parryi var. fernandina Mark A. Elvin, Vipul Joshi, Tricia Wotipka 2003-1 2940 Los Angeles N end of Santa Susana Mtns.: Newhall Ranch, ridge ca 900 m SW of 'Airport Mesa 366 Comment
  SEINET3828568  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-1 2961 Los Angeles Western Transverse Range; Santa Clarita Valley Area: Newhall Ranch, west side of Grapevine Mesa, 4km SW (216 degrees) of intersection of I-5 Fwy and Hwy 126 (Val Verde 7.5') 366 Comment
  UC1792811  Chorizanthe parryi var. fernandina Mark A. Elvin, Vipul Joshi, Tricia Wotipka 2003-6-11 2940 Los Angeles N end of Santa Susana Mtns.: Newhall Ranch, ridge ca 900 m SW of 'Airport Mesa' 365 Comment
  UCD170165  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-30 2961 Los Angeles Western Transverse Range; Santa Clarita Valley Area: Newhall Ranch, west side of Grapevine Mesa, 4 km SW (216 degrees) of intersection of I-5 Fwy and Hwy. 111 Comment
  UCD170167  Chorizanthe parryi var. fernandina Mark A. Elvin; Cathleen Weigand 2003-4-8 2453 Los Angeles Santa Clarita Valley: Newhall Ranch Commerce Center, confluence of Halsey Canyon and Castaic Creek, N of Hwy 126. 319 Comment
  UCD99798  Chorizanthe parryi var. fernandina Mark A. Elvin; Vipul Joshi, Tricia Wotipka 2003-6-11 2940 Los Angeles N end of Santa Susana Mtns.: Newhall Ranch, ridge ca 900 m SW of 'Airport Mesa'. 366 Comment
  UCD99801  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-19 2948 Los Angeles Western Transverse Range: hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch. 366 Comment
  UCR125433  Chorizanthe parryi var. fernandina A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25718 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  UCR126003  Chorizanthe parryi var. fernandina Mark A. Elvin, Tricia Wotipka, Julie M. Vanderwier 2002-8-22 2138 Los Angeles Western Transverse Range, Newhall Ranch, north of Santa Clara River, west of Martinez Grande Rd. 351 Comment
  UCR126596  Chorizanthe parryi var. fernandina A. C. Sanders, Mark Elvin (#2969) 2003-8-7 27154 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon 351 Comment
  UCR126776  Chorizanthe parryi var. fernandina Mark A. Elvin, Vipul Joshi, Tricia Wotipka 2003-6-11 2940 Los Angeles N end of Santa Susana Mtns., Newhall Ranch, ridge c. 900 m SW of 'Airport Mesa 366 Comment
  UCR128096  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-19 2948 Los Angeles Western Transverse Range, hills west of San Martinez Grande Canyon and north of Calif. Hwy 126, Newhall Ranch 366 Comment
  UCR237902  Chorizanthe parryi var. fernandina Mark A. Elvin, Cathleen Weigand 2003-4-8 2453 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, confluence of Hasley Canyon and Castaic Creek, N of Hwy 126 319 Comment
  UCR237903  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-4-24 2527 Los Angeles Santa Clara RiverValley, Valencia, Newhall Ranch, entrance to Magic Mountain Theme Park, survey area 62 549 Comment
  UCR238092  Chorizanthe parryi var. fernandina Mark A. Elvin 2003-6-30 2961 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, west side of Grapevine Mesa, 4 km SW (216 deg. ) of intersection of I-5 Fwy and Hwy 126 366 Comment
  CAS-BOT-BC244721  Chorizanthe staticoides A. C. Sanders; Mark Elvin; et al. 2003-4-16 26045 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtsn. theme park 396 Comment
  CAS-BOT-BC244726  Chorizanthe staticoides Carl B. Wolf 1936-5-26 s.n. Los Angeles Santa Clara Valley, 1 mi. west of Castaic Junction 335 Comment
  CAS-BOT-BC244799  Chorizanthe staticoides Carl B. Wolf 1936-5-26 s.n. Los Angeles Santa Clara Valley, 1 mi. west of Castaic Junction 335 Comment
  CAS-BOT-BC245249  Chorizanthe staticoides A. C. Sanders 2003-6-18 26934 Los Angeles N end of Santa Susana Mtns.: ridge ca 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM-1302 ft., Newhall Ranch. Plants of Los Angeles Co. 396 Comment
  IRVC26326  Chorizanthe staticoides A. C. Sanders, Andy Thompson 2003-4-15 26002 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  IRVC26370  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26045 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  IRVC28992  Chorizanthe staticoides A. C. Sanders 2003-6-18 26934 Los Angeles ridge ca 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM 1302 ft., Newhall Ranch N end of Santa Susana Mtns. 366 Comment
  IRVC29106  Chorizanthe staticoides A. C. Sanders 2003-6-20 27002 Los Angeles "Off-haul Canyon" between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  RSA17081  Chorizanthe staticoides Carl B. Wolf 1936-5-26 7829 Los Angeles Santa Clara Valley, 1 mi. west of Castaic Junction. 335 Comment
  RSA712911  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin 2003-4-16 26045 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park. 366 Comment
  RSA714516  Chorizanthe staticoides A. C. Sanders, Andy Thompson 2003-4-15 26002 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 396 Comment
  RSA733364  Chorizanthe staticoides A. C. Sanders 2003-6-20 27002 Los Angeles Western Transverse Range/Santa Clara River Watershed: 'Off-haul Canyon' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy. 126 and ca. 1km NNW of Mayo Spur. 305 Comment
  SBBG122070  Chorizanthe staticoides A. Parikh, N. Gale 2000-5-6 1733 Los Angeles upper slope of SW part of Grapevine Mesa, 2.5 km ESE of Del Valle, N side Santa Susana Mtns 375 Comment
  SD186289  Chorizanthe staticoides Andy C. Sanders, Andy Thompson 2003-4-15 26002 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, ca 1000 ft. south of Magic Mountain Theme Park 395 Comment
  SD186292  Chorizanthe staticoides Andy C. Sanders, Mark A. Elvin, et al. 2003-4-16 26045 Los Angeles NE end of Santa Susana Mts., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 366 Comment
  UCD99990  Chorizanthe staticoides A. C. Sanders 2003-6-18 26934 Los Angeles N end of Santa Susana Mtns.: ridge ca 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM 1302 ft., Newhall Ranch. 366 Comment
  UCR125395  Chorizanthe staticoides A. C. Sanders, Mark Elvin 2003-3-5 25744 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UCR125432  Chorizanthe staticoides A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25717 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  UCR126632  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26045 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  UCR126753  Chorizanthe staticoides A. C. Sanders, Andy Thomson 2003-4-15 26002 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCR127012  Chorizanthe staticoides A. C. Sanders 2003-6-18 26934 Los Angeles N end of Santa Susana Mtns., ridge c. 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM 1302 ft., Newhall Ranch 396 Comment
  UCR127177  Chorizanthe staticoides A. C. Sanders 2003-6-20 27002 Los Angeles Western Transverse Range/Santa Clara River Watershed, 'Off-haul Canyon' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and c. 1 km NNW of Mayo Spur, Newhall Ranch 366 Comment
  SBBG62285  Chorizanthe xanti var. xanti R. Hoffmann 1929-5-19 Los Angeles 5 mi W of Castaic Comment
  IRVC28848  Chrysothamnus nauseosus Mark A. Elvin, Cathleen Weigand 2003-4-8 2456 Los Angeles Newhall Ranch, flats S of confluence of Hasley Canyon with Castaic Creek Santa Clarita Valley 297 Comment
  UCR126792  Chrysothamnus nauseosus Mark A. Elvin 2003-8-13 s.n. Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  UCR162591  Chrysothamnus nauseosus Anuja Parikh, Nathan Gale 2004-7-12 2084 Los Angeles NE end of Santa Susana Mtns, Newhall Ranch (study area 22), ridges south of upper Potrero Canyon 427 Comment
  UCR125263  Cirsium occidentale var. californicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25536 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, at circular cement cattle trough on south side of valley 366 Comment
  UCR127876  Cirsium occidentale var. californicum Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2749 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  IRVC28380  Cirsium occidentale var. occidentale Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2746 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  UCR125968  Cirsium occidentale var. occidentale A. C. Sanders, Mark Elvin 2002-6-19 25161 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR127879  Cirsium occidentale var. occidentale Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2746 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR123362  Cirsium vulgare A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25476 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR125969  Cirsium vulgare A. C. Sanders, Mark Elvin 2002-6-19 25162 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR172457  Clarkia Anuja Parikh, Nathan Gale 2005-7-20 2147 Los Angeles Santa Susanna Mtns., Newhall Ranch, uppermost Potrero Canyon, study area 21 488 Comment
  IRVC26298  Clarkia purpurea Mark A. Elvin, Cathleen Weigand 2003-5-21 2877 Ventura central part of Salt Canyon watershed, Newhall Ranch Santa Susana Mountains 518 Comment
  IRVC29658  Clarkia purpurea Mark A. Elvin 2003-6-12 2945 Los Angeles Newhall Ranch, S of Magic Mountain Amusement Park, W of The Old Road Santa Clarita Valley 366 Comment
  UCD104887  Clarkia purpurea A. C. Sanders; Mark A. Elvin, et al. 2003-4-14 25951 Los Angeles NE end of Santa Susana Mtns. Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  UCR125482  Clarkia purpurea A. C. Sanders, Mark Elvin 2003-4-14 25951 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR126785  Clarkia purpurea Mark A. Elvin 2003-6-12 2945 Los Angeles Santa Clarita Valley, Newhall Ranch, south of Magic Mountain Amusement Park, west of The Old Road 366 Comment
  UCR128184  Clarkia purpurea Mark A. Elvin, Cathleen Weigand 2003-5-21 2877 Ventura Western Transverse Range; Santa Susana Mountains, central part of Salt Canyon watershed, Newhall Ranch 518 Comment
  IRVC29284  Clarkia purpurea subsp. quadrivulnera Anuja Parikh, Nathan Gale 2003-5-21 s.n. Ventura Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 N side of Santa Susana Mtns. 457 Comment
  UCR128129  Clarkia purpurea subsp. quadrivulnera Anuja Parikh, Nathan Gale 2003-5-21 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 518 Comment
  IRVC29103  Clarkia unguiculata A. C. Sanders 2003-6-20 26999 Los Angeles "Off-haul Canyon" between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  UCR125919  Clarkia unguiculata A. C. Sanders, Mark Elvin 2002-6-19 25163 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR127180  Clarkia unguiculata A. C. Sanders 2003-6-20 26999 Los Angeles Western Transverse Range/Santa Clara River Watershed, 'Off-haul Canyon' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and c. 1 km NNW of Mayo Spur, Newhall Ranch 366 Comment
  UCR237900  Clarkia unguiculata Mark A. Elvin 2003-4-22 2532 Los Angeles Western Transverse Range, Newhall Ranch, bee site on open former oil well pad just east of Grapevine Mesa, S of Santa Clara River and Hwy 126, c. 4 mi. east of Ventura Co. line 314 Comment
  IRVC26450  Claytonia parviflora A. C. Sanders, Mark Elvin, et al. 2003-3-5 25724 Los Angeles Newhall Ranch, canyon NE of "Grapevine Mesa," SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, W of "oil tanks" near BM 1073 NE end of Santa Susana Mtns. Comment
  UCR125381  Claytonia parviflora A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25724 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon NE of 'Grapevine Mesa,' SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, west of 'oil tanks' near BM 1073 Comment
  UCR125429  Claytonia perfoliata A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25714 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  UCR126589  Claytonia perfoliata A. C. Sanders 2003-4-17 26073 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  IRVC29305  Collinsia heterophylla Anuja Parikh, Nathan Gale 2003-5-13 s.n. Ventura Newhall Ranch, Salt Creek N side of Santa Susana Mtns. 457 Comment
  RSA714879  Collinsia heterophylla A. C. Sanders, Mark A. Elvin 2003-4-14 25977 Los Angeles Santa Clara River watershed; Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  UCR125494  Collinsia heterophylla A. C. Sanders, Mark Elvin 2003-4-14 25977 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  UCR127875  Collinsia heterophylla Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2742 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR128103  Collinsia heterophylla Anuja Parikh, Nathan Gale 2003-5-13 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek 457 Comment
  RSA0117361  Collinsia parryi Anuja Parikh, Nathan Gale 2005-4-13 2102 Los Angeles NE end of Santa Susana Mtns.: Long Canyon, Newhall Ranch, Study Area 31. 305 Comment
  SBBG122017  Collinsia parryi A. Parikh, N. Gale 2005-4-13 2102 Los Angeles Long Cyn, 0.9 km N of Potrero Cyn, 1.9 km SE of Del Valle, Newhall Ranch; Santa Susana Mtns 330 Comment
  SD152597  Collinsia parryi Craig Reiser 1999-4-9 Los Angeles Canyon ca. 1 mile west of Magic Mountain amusement park Comment
  UCR172463  Collinsia parryi Anuja Parikh, Nathan Gale 2005-4-13 2102 Los Angeles NE end of Santa Susana Mtns., Long Canyon, Newhall Ranch, Study Area 31 335 Comment
  CAS-BOT-BC174789  Collinsia parviflora Mark A. Elvin; Scott Boczkiewicz 2003-5-14 2731 Ventura NE end of Santa Susana Mtns.: Newhall Ranch, Salt Creek, east of the creek 457 Comment
  IRVC26940  Collinsia parviflora Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2731 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  RSA0117314  Collinsia parviflora Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2731 Ventura NE end of Santa Susana Mtns.: Newhall Ranch, Salt Creek, east of the creek. 366 Comment
  UCR127881  Collinsia parviflora Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2731 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  RSA714799  Conium maculatum A. C. Sanders 2003-6-18 26932 Los Angeles Western Transverse Range/Santa Clara River Watershed: in mouth of Off-haul Canyon ca. 1 mile west of Mayo Spur between San Martinez Grande Canyon and the Ventura Co. line, north of Hwy 126, Newhall Ranch. 305 Comment
  UCR127014  Conium maculatum A. C. Sanders 2003-6-18 26932 Los Angeles Western Transverse Range/Santa Clara River Watershed, in mouth of 'Off-haul Canyon' c. 1 mile west of Mayo Spur between San Martinez Grande Canyon the Ventura Co. line, north of Hwy 126, Newhall Ranch 305 Comment
  UCR238081  Convolvulus arvensis Mark A. Elvin, Julie M. Vanderwier 2002-7-17 2098 Los Angeles Western Transverse Range; Santa Clarita Valley, west face of Potrero Mesa, south of Santa Clara River, above Pico Canyon Rd. 305 Comment
  UCR127394  Conyza bonariensis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25529 Los Angeles Santa Clara River Valley, Newhall Ranch, Santa Clara River at dirt road crossing near Del Valle 274 Comment
  IRVC27425  Conyza coulteri A. C. Sanders, Mark A. Elvin 2002-8-28 25602 Los Angeles Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park NE end of Santa Susana Mtns. 360 Comment
  RSA692076  Conyza coulteri A. C. Sanders, Mark A. Elvin 2002-8-28 25602 Los Angeles NE end of Santa Susana Mts.: Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusment park 360 Comment
  UCR124026  Conyza coulteri A. C. Sanders, Mark A. Elvin 2002-8-28 25602 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park 360 Comment
  IRVC28562  Cordylanthus rigidus A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27125 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  RSA0084751  Cordylanthus rigidus A. C. Sanders, Mark A. Elvin, Dave Fleitner 2003-8-6 27125 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters. 320 Comment
  UCR126352  Cordylanthus rigidus A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27125 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR162509  Cordylanthus rigidus subsp. setiger Anuja Parikh, Nathan Gale 2004-9-13 2099 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, Castaic Creek just north of Calif. Hwy 126 290 Comment
  IRVC26447  Coreopsis bigelovii A. C. Sanders, Mark Elvin, et al. 2003-3-5 25711 Los Angeles Newhall Ranch, "Grapevine Mesa" ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon NE end of Santa Susana Mtns. 335 Comment
  RSA732534  Coreopsis bigelovii A. C. Sanders, Mark A. Elvin, C. Weigand, M. S. Enright, M. Balk, N. Gale, A. Parikh 2003-3-5 25711 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, 'Grapevine Mesa' ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  SEINET1004570  Coreopsis bigelovii A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-1 25711 Los Angeles NE end of Santa Sussana Mtns.: Newhall Ranch, ''Grapevine Mesa'' ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon. 335 Comment
  UC1119216  Coreopsis bigelovii P. L. Johannsen 1934-3-5 314 Los Angeles 1 mi ne Castac; Santa Susana Quad. 457 Comment
  UCR125435  Coreopsis bigelovii A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25711 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  UCR126703  Coreopsis tinctoria A. C. Sanders, Mark Elvin 2003-8-7 27182 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR127885  Coreopsis tinctoria Mark A. Elvin, Kim Marsden 2003-8-8 2972 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River, c. 100 m east of the Ventura Co. line 290 Comment
  UCR162297  Coreopsis tinctoria Anuja Parikh, Nathan Gale 2004-6-3 2035 Los Angeles Newhall Ranch, along Santa Clara River (SCR sect. 4) between confluence of Castaic Creek and Castaic Junction 305 Comment
  LA105286  Corethrogyne filaginifolia Barry A. Prigge; 1988-10-8 8361 Los Angeles Santa Susana Mountains, East Canyon, ca. 2 mi. SSE of Newhall and from the mouth of the canyon at the Old Road to ca 1/8 mi. up canyon 444 Comment
  UCR162576  Coronopus didymus Anuja Parikh, Nathan Gale 2004-6-1 2017 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 2) in vicinity of confluence of Chiquito Canyon 274 Comment
  UCR123265  Cotula coronopifolia A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25488 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  UCR125496  Crassula connata A. C. Sanders, Mark Elvin 2003-4-14 25975 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  IRVC29006  Croton californicus A. C. Sanders, Mark Elvin 2002-6-25 25277 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  RSA703833  Croton californicus A. C. Sanders, Mark Elvin 2002-6-25 25277 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 274 Comment
  UCR125173  Croton californicus A. C. Sanders, Mark Elvin 2002-6-25 25277 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR124028  Croton setiger A. C. Sanders, Mark A. Elvin 2002-8-28 25596 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park 360 Comment
  UCR125270  Croton setiger A. C. Sanders, Mark Elvin 2002-6-18 25117 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR126335  Croton setiger A. C. Sanders 2003-8-5 27106 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters 366 Comment
  UCR126820  Croton setiger A. C. Sanders 2003-6-19 26971 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  RSA715305  Crypsis schoenoides Anuja Parikh, Nathan Gale 2005-7-1 2121 Los Angeles Newhall Ranch, upper Potrero Canyon, S of Santa Clara River ca. 2 mi. E of the Ventura Co. line, study area 18. 366 Comment
  UCR126359  Crypsis schoenoides A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27130 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR126642  Crypsis schoenoides A. C. Sanders, Mark Elvin 2003-8-7 27168 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR172453  Crypsis schoenoides Anuja Parikh, Nathan Gale 2005-7-1 2121 Los Angeles Santa Susana Mtns., Newhall Ranch, upper Potrero Canyon, south of Santa Clara River c. 2 mi. east of the Ventura Co. line, study area 18 366 Comment
  IRVC26354  Cryptantha corollata A. C. Sanders, Mark A. Elvin 2003-4-16 26040 Los Angeles Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank Santa Clara River watershed 305 Comment
  IRVC28381  Cryptantha corollata Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2747 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  SD186128  Cryptantha corollata A. C. Sanders, Mark A. Elvin 2003-4-16 26040 Los Angeles Newhall Ranch, ca. 0.4 mile north of Highway 126, west of Castaic Creek and north of its confluence with the Santa Clara River. 305 Comment
  UCR126681  Cryptantha corollata A. C. Sanders, Mark A. Elvin 2003-4-16 26040 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 366 Comment
  UCR127880  Cryptantha corollata Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2747 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR128020  Cryptantha corollata Anuja Parikh, Nathan Gale 2003-5-13 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek 457 Comment
  IRVC26355  Cryptantha intermedia A. C. Sanders, Mark A. Elvin 2003-4-16 26039 Los Angeles Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank Santa Clara River watershed 305 Comment
  IRVC26464  Cryptantha intermedia A. C. Sanders, Mark Elvin, et al. 2003-3-4 25697 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  RSA712914  Cryptantha intermedia A. C. Sanders, Mark Elvin 2003-4-16 26040 Los Angeles Santa Clara River watershed: Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  UCR125405  Cryptantha intermedia A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25697 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR126601  Cryptantha intermedia A. C. Sanders, Mark A. Elvin 2003-4-16 26039 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 366 Comment
  UCR129421  Cryptantha intermedia A. C. Sanders, Mark Elvin 2002-6-18 25139 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  SD186132  Cryptantha intermedia var. johnstonii A. C. Sanders, Mark A. Elvin 2003-4-16 26039 Los Angeles Newhall Ranch, ca. 0.4 mile north of Highway 126, west of Castaic Creek and north of its confluence with the Santa Calar River, 0.6 mile south of Commerce Center Dr. along Franklin Parkway. 305 Comment
  IRVC28850  Cryptantha micrantha var. lepida Mark A. Elvin, Cathleen Weigand 2003-4-7 2451 Los Angeles Newhall Ranch Commerce Center, S of Castaic Creek, N of SR 126 Santa Clarita Valley 297 Comment
  UCR127092  Cryptantha micrantha var. lepida Mark A. Elvin, Cathleen Weigand 2003-4-7 2451 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  IRVC26373  Cryptantha microstachys Anuja Parikh, Nathan Gale 2003-4-30 s.n. Los Angeles Castaic Junction, Newhall, SW of the junction of SR 126 and US 5, N of the Santa Clara River Santa Clarita Valley 305 Comment
  IRVC27857  Cryptantha microstachys Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2759 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  IRVC28845  Cryptantha microstachys Mark A. Elvin, Cathleen Weigand 2003-4-8 2464 Los Angeles Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks Santa Clarita Valley 351 Comment
  RSA714914  Cryptantha microstachys A. C. Sanders, Mark Elvin, et al. 2003-4-14 25979 Los Angeles Santa Clara River watershed: Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  RSA726184  Cryptantha microstachys Anuja Parikh, Nathan Gale 2003-4-30 s.n. Los Angeles Santa Clarita Valley: Castaic Junction, Newhall, SW of the junction of SR 126 and US5, N of the Santa Clara River 305 Comment
  RSA727091  Cryptantha microstachys Mark Elvin, Scott Boczkiewicz 2003-5-14 2759 Ventura NE end of Santa Susana Mtns.: Newhall Ranch, Salt Creek, east of the creek. 366 Comment
  SD234334  Cryptantha microstachys Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2759 Ventura NE end of Santa Susana Mtns: Newhall Ranch, Salt Creek, east of the creek (Val Verde 7.5'Q) 366 Comment
  SEINET1004982  Cryptantha microstachys Mark A. Elvin, Scott Boczkiewicz 2003-1 2759 Ventura NE end of Santa Susana Mtns.: Newhall Ranch, Salt Creek, east of the creek. 457 Comment
  SEINET1869751  Cryptantha microstachys Mark A. Elvin, Cathleen Wigand 2003-1 2464 Los Angeles Santa Clarita Valley: Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks. 351 Comment
  UCR125493  Cryptantha microstachys A. C. Sanders, Mark Elvin 2003-4-14 25979 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  UCR126545  Cryptantha microstachys Anuja Parikh, Nathan Gale 2003-4-30 s.n. Los Angeles Santa Clarita Valley, Castaic Junction, Newhall, SW of the junction of SR 126 and US 5, north of the Santa Clara River 305 Comment
  UCR126774  Cryptantha microstachys Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2763 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR126781  Cryptantha microstachys Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2759 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR127070  Cryptantha microstachys Mark A. Elvin, Cathleen Weigand 2003-4-8 2464 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  IRVC26334  Cryptantha muricata A. C. Sanders, Andy Thompson 2003-4-15 25987 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  IRVC26363  Cryptantha muricata A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26051 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  UC1063843  Cryptantha muricata P. L. Johannsen 1934-3-5 317 Los Angeles 1 mi ne Castac; Santa Susana Quad. 426 Comment
  UCR126569  Cryptantha muricata A. C. Sanders, Andy Thomson 2003-4-15 25987 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCR126634  Cryptantha muricata A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26051 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  UCR127175  Cryptantha muricata A. C. Sanders, Mark A. Elvin 2003-6-20 27007 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  RSA0079599  Cryptantha muricata var. muricata A. C. Sanders, A. Thompson 2003-4-15 25987 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  IRVC26183  Cucurbita foetidissima A. C. Sanders 2003-6-19 26982 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  IRVC28668  Cucurbita foetidissima A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25106 Los Angeles Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 335 Comment
  UCR125126  Cucurbita foetidissima A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25106 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 366 Comment
  UCR125266  Cucurbita foetidissima A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25509 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, dry side canyon near its mouth on north side of road, oil production area 366 Comment
  UCR126347  Cucurbita foetidissima A. C. Sanders 2003-8-6 27118 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  UCR126838  Cucurbita foetidissima A. C. Sanders 2003-6-19 26982 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 366 Comment
  CHSC98203  Cuscuta californica A. C. Sanders; Andy Thompson 2003-4-15 25992 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft south of Magic Mountain theme park. Hills. 396 Comment
  IRVC26209  Cuscuta californica A. C. Sanders, Kim Marsden 2003-6-20 26986 Los Angeles Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  IRVC26332  Cuscuta californica A. C. Sanders, Andy Thompson 2003-4-15 25992 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  IRVC28679  Cuscuta californica A. C. Sanders, Mark Elvin 2002-6-18 25122 Los Angeles Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park NE end of Santa Susana Mtns. 366 Comment
  UCR125159  Cuscuta californica A. C. Sanders, Mark Elvin 2002-6-18 25122 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR126696  Cuscuta californica A. C. Sanders, Andy Thomson 2003-4-15 25992 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCR126996  Cuscuta californica A. C. Sanders, Kim Marsden 2003-6-20 26986 Los Angeles Western Transverse Range/Santa Clara River Watershed, Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch 305 Comment
  RSA709607  Cuscuta californica var. californica A. C. Sanders, A. Thompson 2003-4-15 25992 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  RSA703838  Cuscuta ceanothi A. C. Sanders, Mark Elvin 2002-6-20 25222 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  RSA709769  Cuscuta ceanothi A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27144 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters. 320 Comment
  RSA709747  Cuscuta pentagona A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27126 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters. 320 Comment
  UCR126355  Cuscuta pentagona A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27126 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  CHSC100670  Cuscuta subinclusa A. C. Sanders; Mark Elvin, Dave Fleitner 2003-8-6 27144 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle., below bluffs on south side of river. 280 Comment
  IRVC27953  Cuscuta subinclusa A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27144 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  IRVC28607  Cuscuta subinclusa A. C. Sanders, Mark Elvin 2002-6-20 25222 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  UCR126629  Cuscuta subinclusa A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27144 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR129501  Cuscuta subinclusa A. C. Sanders, Mark Elvin 2002-6-20 25222 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR127036  Cynara scolymus A. C. Sanders 2003-6-18 26929 Los Angeles Western Transverse Range/Santa Clara River Watershed, near mouth of 'Off-haul Canyon' c. 1 mile west of Mayo Spur between San Martinez Grande Canyon the Ventura Co. line, north of Hwy 126, Newhall Ranch 305 Comment
  UCR162510  Cyperus difformis Anuja Parikh, Nathan Gale 2004-9-15 2100 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 5) in vicinity of Castaic Junction 305 Comment
  UCR125970  Cyperus eragrostis A. C. Sanders, Mark Elvin 2002-6-19 25175 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR126551  Cyperus esculentus Mark A. Elvin, Kim Marsden 2003-8-8 2977 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River, c. 100 m east of the Ventura Co. line 290 Comment
  UCR172291  Cyperus esculentus Anuja Parikh, Nathan Gale 2005-7-11 2137 Los Angeles Santa Clara River Valley, Newhall Ranch, N of the Santa Clara River, near Del Valle and the mouth of Chiquito Canyon, study area 29 274 Comment
  RSA703842  Cyperus involucratus A. C. Sanders, Mark A. Elvin 2002-6-20 25246 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  UCR129416  Cyperus involucratus A. C. Sanders, Mark Elvin 2002-6-20 25246 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  IRVC28609  Cyperus odoratus A. C. Sanders, Mark Elvin 2002-6-20 25233 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  RSA703839  Cyperus odoratus A. C. Sanders, Mark A. Elvin 2002-6-20 25233 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  UCR129508  Cyperus odoratus A. C. Sanders, Mark Elvin 2002-6-20 25233 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  CAS-BOT-BC189873  Dactyloctenium aegyptium A. C. Sanders; Mark Elvin; Cathleen Weigand; et al 2002-8-6 25552 Los Angeles Santa Clara River Valley. North of Highway 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons. 274 Comment
  HSC95418  Dactyloctenium aegyptium A. C. Sanders, Mark A. Elvin, Cathleen Wiegand 2002-8-6 25552 Los Angeles N of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  RSA695425  Dactyloctenium aegyptium A. C. Sanders, Mark A. Elvin, Cathleen Weigand, et al. 2002-8-6 25552 Los Angeles Santa Clara River Valley: north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  SBBG129301  Dactyloctenium aegyptium A. Parikh, N. Gale 2012-5-29 2160 Los Angeles Newhall Ranch, 1.7 km SW of intersection of Interstate 5 and Hwy 126, N side of Santa Susana Mtns 320 Comment
  SD233691  Dactyloctenium aegyptium A. C. Sanders, Mark Elvin, Cathleen Weigand, et al 2002-8-6 25552 Los Angeles Santa Clara river Valley: north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons. 274 Comment
  UCR127372  Dactyloctenium aegyptium A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25552 Los Angeles Santa Clara River Valley, north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  UCR263618  Dactyloctenium aegyptium Anuja Parikh, Nathan Gale 2012-5-29 2160 Los Angeles Western Transverse Range; N side of Santa Susana Mountains, Newhall Ranch, 1.7 km SW of the intersection of Interstate 5 and Hwy 126 320 Comment
  IRVC29582  Datisca glomerata A. C. Sanders, Mark Elvin 2002-6-25 25283 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  UCR125166  Datisca glomerata A. C. Sanders, Mark Elvin 2002-6-25 25283 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR125249  Datura wrightii A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25543 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters 396 Comment
  UCR125955  Datura wrightii A. C. Sanders, Mark Elvin 2002-6-19 25148 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  RSA714788  Daucus carota A. C. Sanders, Kim Marsden 2003-6-20 26987 Los Angeles Western Transverse Range/Santa Clara River Watershed: Del Valle area, between San Martinez Grand Canyon Rd. and (San Martinez) Chiquto Canyon Rd., north of Hwy 126, Newhall Ranch. 305 Comment
  UCR126615  Daucus carota A. C. Sanders, Mark Elvin 2003-8-7 27160 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom east of Del Valle 282 Comment
  SD186074  Deinandra fasciculata Mark A. Elvin 2003-6-12 2944 Los Angeles Newhall Ranch, south of magic Moountain Amusement Park, west of The Old Road. 366 Comment
  RSA715156  Delphinium parryi A. C. Sanders, Mark A. Elvin 2003-4-14 25982 Los Angeles Santa Clara River watershed; Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  UCR125562  Delphinium parryi A. C. Sanders, Mark Elvin 2003-4-14 25982 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  UCR140170  Delphinium parryi A. C. Sanders 2003-4-17 26068 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  RSA726185  Descurainia obtusa subsp. adenophora Anuja Parikh, Nathan Gale 2003-4-30 s.n. Los Angeles Santa Clarita Valley: Castaic Junction, Newhall, SW of the junction of SR 126 and US5, N of the Santa Clara River 305 Comment
  UCR126546  Descurainia obtusa subsp. adenophora Anuja Parikh, Nathan Gale 2003-4-30 s.n. Los Angeles Santa Clarita Valley, Castaic Junction, Newhall, SW of the junction of SR 126 and US 5, north of the Santa Clara River 305 Comment
  IRVC26371  Descurainia pinnata subsp. halictorum Anuja Parikh, Nathan Gale 2003-4-30 s.n. Los Angeles Castaic Junction, Newhall, SW of the junction of SR 126 and US 5, N of the Santa Clara River Santa Clarita Valley 305 Comment
  UCR126547  Descurainia pinnata subsp. halictorum Anuja Parikh, Nathan Gale 2003-4-30 s.n. Los Angeles Santa Clarita Valley, Castaic Junction, Newhall, SW of the junction of SR 126 and US 5, north of the Santa Clara River 305 Comment
  UCR127017  Descurainia sophia Mark A. Elvin, Cathleen Weigand 2003-4-7 2442 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  UC1133903  Dichelostemma capitatum P. L. Johannsen 1934-3-5 318 Los Angeles 1 mi ne Castac; Santa Susana Quad. 457 Comment
  UCR125417  Dichelostemma capitatum A. C. Sanders, Mark Elvin 2003-3-5 25739 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  RSA732531  Dichelostemma capitatum subsp. capitatum A. C. Sanders, M. Elvin 2003-3-5 25739 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Exon Mesa, due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River. 335 Comment
  UCR126888  Digitaria A. C. Sanders, Mark Elvin 2002-6-20 25228 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR127061  Dimorphotheca sinuata Mark A. Elvin, Cathleen Weigand 2003-4-7 2439 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  UCR127064  Dimorphotheca sinuata Mark A. Elvin, Cathleen Weigand 2003-4-8 2463 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  IRVC28625  Distichlis spicata Mark A. Elvin, Cathleen Weigand 2003-5-21 2882 Ventura central part of Salt Canyon watershed, Newhall Ranch Santa Susana Mountains 518 Comment
  IRVC28695  Distichlis spicata A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25484 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  IRVC29105  Distichlis spicata A. C. Sanders 2003-6-20 27001 Los Angeles "Off-haul Canyon" between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  RSA733363  Distichlis spicata A. C. Sanders 2003-6-20 27001 Los Angeles Western Transverse Range/Santa Clara River Watershed: Off-haul Canyon between San Martinez Grande Canyon and Ventura Co. line, north of Hwy. 126 and ca. 1km NNW of Mayo Spur 305 Comment
  SD234240  Distichlis spicata A. C. Sanders 2003-6-20 27001 Los Angeles Western Transverse Range/Santa Clara River Watershed: off-haul Canyon between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur (Val Verde 7.5' Q) 305 Comment
  UCR123626  Distichlis spicata A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25484 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR125175  Distichlis spicata A. C. Sanders, Mark Elvin 2002-6-25 25295 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR127178  Distichlis spicata A. C. Sanders 2003-6-20 27001 Los Angeles Western Transverse Range/Santa Clara River Watershed, 'Off-haul Canyon' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and c. 1 km NNW of Mayo Spur, Newhall Ranch 366 Comment
  UCR128178  Distichlis spicata Mark A. Elvin, Cathleen Weigand 2003-5-21 2882 Ventura Western Transverse Range; Santa Susana Mountains, central part of Salt Canyon watershed, Newhall Ranch 518 Comment
  SD241166  Duchesnea indica A. C. Sanders, Andy Thompson 2003-4-15 26010 Los Angeles NE end of Santa Susana Mountains: Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence (Newhall 7.5'Q) 381 Comment
  UCR127641  Duchesnea indica A. C. Sanders, Andy Thomson 2003-4-15 26010 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence 396 Comment
  IRVC29655  Dudleya lanceolata Mark A. Elvin 2003-6-12 2942 Los Angeles Newhall Ranch, S side of Potrero Canyon, S of Potrero Mesa Santa Clarita Valley 335 Comment
  UCR126777  Dudleya lanceolata Mark A. Elvin 2003-6-12 2942 Los Angeles Santa Clarita Valley, Newhall Ranch, south side of Potrero Canyon, south of Potrero Mesa 335 Comment
  UCR127653  Dudleya lanceolata A. C. Sanders, Mark Elvin 2002-6-18 25133 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  UCR127379  Echinochloa colona A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25550 Los Angeles Santa Clara River Valley, north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  UCR127392  Echinochloa colona A. C. Sanders, Mark Elvin 2002-8-7 25556 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  UCR129410  Echinochloa crus-galli A. C. Sanders, Mark Elvin 2002-6-20 25237 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR162512  Eclipta prostrata Anuja Parikh, Nathan Gale 2004-9-9 2092 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 2) in vicinity of confluence of Chiquito Canyon 274 Comment
  UCR169886  Eleocharis A. C. Sanders, Mark A. Elvin 2002-6-25 25260 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR163184  Eleocharis macrostachya Anuja Parikh, Nathan Gale 2004-6-16 2047 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, Castaic Creek north of Calif. Hwy 126 and SW of Commerce Center Dr. 290 Comment
  UCR126700  Eleocharis montevidensis A. C. Sanders, Mark Elvin 2003-8-7 27178 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  IRVC26948  Eleocharis parishii A. C. Sanders, Mark Elvin 2003-8-7 27178 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  IRVC29011  Eleocharis parishii A. C. Sanders, Mark Elvin 2002-6-25 25287 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  UCR125148  Eleocharis parishii A. C. Sanders, Mark Elvin 2002-6-25 25287 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR126553  Eleocharis parishii Mark A. Elvin, Kim Marsden 2003-8-8 2978 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River, c. 100 m east of the Ventura Co. line 290 Comment
  UCR162511  Eleocharis parishii Anuja Parikh, Nathan Gale 2004-9-9 2091 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 2) in vicinity of confluence of Chiquito Canyon 274 Comment
  UCR162638  Eleocharis rostellata Anuja Parikh, Nathan Gale 2004-6-17 2051 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 44) in vicinity of confluence of Castaic Creek and Santa Clara River 290 Comment
  UCR169506  Eleocharis rostellata A. C. Sanders, Mark Elvin 2002-6-25 25260 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR126358  Eleusine indica A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27132 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  IRVC28586  Elymus condensatus A. C. Sanders, Mark Elvin 2002-6-19 25179 Los Angeles Newhall Ranch, head of "Adobe Cyn." and pass into "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  IRVC28987  Elymus condensatus A. C. Sanders 2003-6-19 26978 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  UCR125918  Elymus condensatus A. C. Sanders, Mark Elvin 2002-6-19 25179 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  UCR126829  Elymus condensatus A. C. Sanders 2003-6-19 26978 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  UCR127406  Elymus condensatus A. C. Sanders, M. S. Enright 2002-8-8 25573 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 457 Comment
  IRVC26375  Elymus elymoides subsp. elymoides Anuja Parikh, Nathan Gale 2003-5-14 s.n. Ventura Newhall Ranch, Salt Creek N side of Santa Susana Mtns. 457 Comment
  UCR126524  Elymus elymoides subsp. elymoides Anuja Parikh, Nathan Gale 2003-5-14 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek 457 Comment
  IRVC28575  Elymus glaucus A. C. Sanders, Mark Elvin 2002-6-19 25151 Los Angeles Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River NE end of Santa Susana Mtns. 305 Comment
  UCR125958  Elymus glaucus A. C. Sanders, Mark Elvin 2002-6-19 25151 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR162592  Elymus multisetus Anuja Parikh, Nathan Gale 2004-7-9 2082 Los Angeles NE end of Santa Susana Mtns, Newhall Ranch (study area 19), south of the river between Potrero and Salt Creek Canyons 427 Comment
  IRVC28650  Elymus triticoides A. C. Sanders, Mark Elvin 2002-6-25 25263 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  IRVC28698  Elymus triticoides A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25479 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  UCR123629  Elymus triticoides A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25479 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR125184  Elymus triticoides A. C. Sanders, Mark Elvin 2002-6-25 25263 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR126723  Emmenanthe penduliflora A. C. Sanders, Mark Elvin 2003-4-14 25968 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  IRVC26983  Encelia actoni A. C. Sanders 2003-4-17 26064 Los Angeles Newhall Ranch, ca. 1 km south of Magic Mountain amusement park and north of the powerlines NE end of Santa Susana Mtns. 396 Comment
  UCR126581  Encelia actoni A. C. Sanders 2003-4-17 26064 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  UCR238076  Encelia actoni Mark A. Elvin, Julie M. Vanderwier 2002-7-18 2105 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, ridge west of Potrero Canyon 396 Comment
  IRVC26293  Encelia californica Mark A. Elvin, Cathleen Weigand 2003-5-21 2886 Ventura central part of Salt Canyon watershed, Newhall Ranch Santa Susana Mountains 518 Comment
  UCR128265  Encelia californica Mark A. Elvin, Cathleen Weigand 2003-5-21 2886 Ventura Western Transverse Range; Santa Susana Mountains, central part of Salt Canyon watershed, Newhall Ranch 518 Comment
  IRVC28557  Epilobium canum A. C. Sanders 2003-8-5 27109 Los Angeles Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  SEINET1869718  Epilobium canum A. C. Sanders 2003-1 27109 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters. 320 Comment
  UCR126332  Epilobium canum A. C. Sanders 2003-8-5 27109 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters 366 Comment
  IRVC26985  Epilobium canum subsp. canum Mark A. Elvin 2003-8-13 2981 Los Angeles Newhall Ranch, Potrero Canyon S of Potrero Creek NE end of the Santa Susana Mtns. 360 Comment
  UCR128016  Epilobium canum subsp. canum Mark A. Elvin 2003-8-13 2981 Los Angeles NE end of the Santa Susana Mtns., Newhall Ranch, Potrero Canyon south of Potrero Creek 360 Comment
  UCR128008  Epilobium canum subsp. latifolium Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2993 Los Angeles Santa Clarita Valley, S side of the Santa Clara River, c. 200 m upstream from the mouth of Potrero Creek 274 Comment
  UCR125947  Epilobium ciliatum A. C. Sanders, Mark Elvin 2002-6-19 25173 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR126716  Epilobium ciliatum A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27147 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  CAS-BOT-BC167380  Equisetum hyemale A. C. Sanders; Mark A. Elvin 2002-8-26 25583 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near Airport Mesa 305 Comment
  IRVC28718  Equisetum hyemale A. C. Sanders, Mark A. Elvin 2002-8-26 25583 Los Angeles Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near "Airport Mesa" Northeastern Santa Susana Mtns./Santa Clara River Watershed 305 Comment
  UCR126841  Equisetum hyemale A. C. Sanders, Mark A. Elvin 2002-8-26 25583 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa 305 Comment
  RSA714717  Equisetum hyemale var. affine A. C. Sanders, Mark Elvin 2002-8-26 25583 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near Airport Mesa 305 Comment
  IRVC26951  Equisetum laevigatum A. C. Sanders, Mark Elvin 2003-8-7 27166 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  UCR126622  Equisetum laevigatum A. C. Sanders, Mark Elvin 2003-8-7 27166 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR172287  Equisetum laevigatum Anuja Parikh, Nathan Gale 2005-7-11 2133 Los Angeles Santa Clara River Valley, Newhall Ranch, N of the Santa Clara River, near Del Valle and the mouth of Chiquito Canyon, study area 29 274 Comment
  UCR126361  Eragrostis A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27128 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  CAS-BOT-BC174317  Eragrostis barrelieri A. C. Sanders; Kim Marsden 2003-6-20 26989 Los Angeles Western Transverse Range/Santa Clara River Watershed: Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch 305 Comment
  CAS-BOT-BC174318  Eragrostis barrelieri A. C. Sanders; Mark A. Elvin 2002-8-27 25593 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, Santa Clara River Valley, south of Hwy 126 274 Comment
  RSA712906  Eragrostis barrelieri A. C. Sanders, Mark A. Elvin 2002-8-27 25593 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, Santa River Valley, south of Hwy 126. 274 Comment
  SBBG129300  Eragrostis barrelieri A. Parikh, N. Gale 2012-5-29 2161 Los Angeles Newhall Ranch, 1.7 km SW of intersection of Interstate 5 and Hwy 126, N side of Santa Susana Mtns 320 Comment
  UCR127666  Eragrostis barrelieri A. C. Sanders, Kim Marsden 2003-6-20 26989 Los Angeles Western Transverse Range/Santa Clara River Watershed, Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch 305 Comment
  UCR127667  Eragrostis barrelieri A. C. Sanders, Mark A. Elvin 2002-8-27 25593 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, Santa Clara River Valley, south of Hwy 126 274 Comment
  UCR163104  Eragrostis barrelieri Anuja Parikh, Nathan Gale 2004-6-3 2039 Los Angeles Newhall Ranch, along Santa Clara River (SCR sect. 4) between confluence of Castaic Creek and Castaic Junction 305 Comment
  UCR127377  Eragrostis cilianensis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25551 Los Angeles Santa Clara River Valley, north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  IRVC28750  Eragrostis mexicana A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25534 Los Angeles Newhall Ranch, "Potrero Mesa," north of the mouth of Potrero Canyon, above the Santa Clara River NE end of Santa Susana Mtns. 366 Comment
  UCR125248  Eragrostis mexicana A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25534 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, "Potrero Mesa,' north of the mouth of Potrero Canyon, above the Santa Clara River 366 Comment
  UCR162288  Eragrostis mexicana Anuja Parikh, Nathan Gale 2004-6-2 2029 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  SBBG129299  Eragrostis pectinacea var. pectinacea A. Parikh, N. Gale 2012-5-29 2162 Los Angeles Newhall Ranch, 1.7 km SW of intersection of Interstate 5 and Hwy 126, N side of Santa Susana Mtns 320 Comment
  UCR163174  Eragrostis pectinacea var. pectinacea Anuja Parikh, Nathan Gale 2004-6-2 2027 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  IRVC28554  Eremocarpus setigerus A. C. Sanders 2003-8-5 27106 Los Angeles Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  IRVC28984  Eremocarpus setigerus A. C. Sanders 2003-6-19 26971 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  SD234451  Eremothera boothii A. C. Sanders 2003-6-20 26994 Los Angeles Western Transverse Range/Santa Clara River Watershed: Off-haul Canyon between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur (Val Verde 7.5' Q) 305 Comment
  UCR238075  Eremothera boothii subsp. decorticans Mark A. Elvin, Julie M. Vanderwier 2002-7-18 2106 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, ridge west of Potrero Canyon 396 Comment
  IRVC27008  Eriastrum densifolium A. C. Sanders, Mark Elvin 2003-8-7 27170 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  IRVC29107  Eriastrum densifolium A. C. Sanders, Mark A. Elvin 2003-6-20 27005 Los Angeles lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle Western Transverse Range/Santa Clara River Watershed 305 Comment
  RSA0105908  Eriastrum densifolium subsp. austromontanum K. C. Zakar 1969-07 s.n. Los Angeles San Francisquito Canyon, Saugus. 305 Comment
  UCR125939  Eriastrum densifolium subsp. densifolium A. C. Sanders, Mark Elvin 2002-6-19 25184 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  UCR126624  Eriastrum densifolium subsp. densifolium A. C. Sanders, Mark Elvin 2003-8-7 27170 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR127173  Eriastrum densifolium subsp. densifolium A. C. Sanders, Mark A. Elvin 2003-6-20 27005 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  UCR162373  Eriastrum densifolium subsp. densifolium Anuja Parikh, Nathan Gale 2004-6-16 2045 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, Castaic Creek north of Calif. Hwy 126 and SW of Commerce Center Dr. 290 Comment
  IRVC28993  Eriastrum sapphirinum A. C. Sanders 2003-6-18 26935 Los Angeles ridge ca 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM 1302 ft., Newhall Ranch N end of Santa Susana Mtns. 366 Comment
  SBBG122105  Eriastrum sapphirinum A. Parikh, N. Gale 2005-6-2 2149 Los Angeles 2.2 km W of jct of Interstate 5 and Valencia Blvd, 1.4 km S of Six Flags Magic Mtn, N side of Santa Susana Mtns 390 Comment
  SBBG58327  Eriastrum sapphirinum R. Hoffmann 1930-5-19 Los Angeles 3 mi W of Castaic Comment
  UCR127003  Eriastrum sapphirinum A. C. Sanders, Kim Marsden 2003-6-20 26991 Los Angeles Western Transverse Range/Santa Clara River Watershed, Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch 305 Comment
  UCR127013  Eriastrum sapphirinum A. C. Sanders 2003-6-18 26935 Los Angeles N end of Santa Susana Mtns., ridge c. 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM 1302 ft., Newhall Ranch 396 Comment
  UCR129423  Eriastrum sapphirinum A. C. Sanders, Mark Elvin 2002-6-18 25137 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  CHSC36045  Ericameria nauseosa var. mohavensis James Henrickson 1972-11-2 8105 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 and Hasley Cyn. Rd. On ridges above fields. 365 Comment
  HSC79917  Ericameria nauseosa var. mohavensis James Henrickson 1972-11-2 8105 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 & Hasley Cyn. Rd. 366 Comment
  IRVC26171  Ericameria palmeri A. C. Sanders, Kim Marsden 2003-6-20 26993 Los Angeles Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  UCR126994  Ericameria palmeri A. C. Sanders, Kim Marsden 2003-6-20 26993 Los Angeles Western Transverse Range/Santa Clara River Watershed, Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch 305 Comment
  CHSC34435  Ericameria palmeri var. pachylepis James Henrickson 1972-11-2 8096 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 and Hasley Cyn. Rd. Hillside above fields. 365 Comment
  IRVC28596  Ericameria palmeri var. pachylepis A. C. Sanders, Mark Elvin 2002-6-19 25194 B Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  IRVC28728  Ericameria palmeri var. pachylepis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25507 Los Angeles Newhall Ranch, central Potrero Canyon, dry side canyon near its mouth on north side of road, NE of bench mark 1205 NE end of Santa Susana Mtns. 366 Comment
  LA105288  Ericameria palmeri var. pachylepis Barry A. Prigge; 1988-10-8 8377 Los Angeles Santa Susana Mountains, East Canyon, ca 2 mi. SSE of Newhall and about 1/8 mi. up the canyon from the Old Road 444 Comment
  RSA703837  Ericameria palmeri var. pachylepis A. C. Sanders, Mark A. Elvin 2002-6-19 25194 B Los Angeles NE end of Santa Susana Mtn.; Newhall Ranch, head of Adobe Cyn. and pass into Long Cyn. 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 335 Comment
  SBBG62870  Ericameria palmeri var. pachylepis R. Hoffmann 1928-6-27 Los Angeles ca. 2 mi S of Castaic Comment
  UCR125237  Ericameria palmeri var. pachylepis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25507 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, dry side canyon near its mouth on north side of road, NE of bench mark 1205 396 Comment
  UCR129503  Ericameria palmeri var. pachylepis A. C. Sanders, Mark Elvin 2002-6-19 25194 B Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  HSC79921  Ericameria pinifolia James Henrickson 1973-11-2 8094 Los Angeles 8 mi. NW of Newhall on Chaparral hillside above fields NW of junction of Hwy. 5 and Hasley Cyn. Rd. 366 Comment
  IRVC28588  Ericameria pinifolia A. C. Sanders, Mark Elvin 2002-6-19 25183 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  RSA292490  Ericameria pinifolia James Henrickson 1973-11-2 8094 Los Angeles 8 miles NW of Newhall on Chaparral hillside above fields Nw of jct of Hwy 5 & Hasley Canyon road. 366 Comment
  RSA695389  Ericameria pinifolia A. C. Sanders, Mark A. Elvin 2002-6-19 25183 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Long Cyn. 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 335 Comment
  UCR125929  Ericameria pinifolia A. C. Sanders, Mark Elvin 2002-6-19 25183 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  UCR127174  Ericameria pinifolia A. C. Sanders, Mark A. Elvin 2003-6-20 27006 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  IRVC29003  Erigeron foliosus A. C. Sanders, Mark Elvin 2002-6-25 25270 Los Angeles Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 366 Comment
  UCR125176  Erigeron foliosus A. C. Sanders, Mark Elvin 2002-6-25 25270 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  A402846  Eriodictyon crassifolium R. V. Moran 1941-5-17 863 Unknown Pico Canyon, north of San Fernando Comment
  CAS-BOT-BC189069  Eriodictyon crassifolium Reid Moran 1941-5-17 863 Los Angeles Pico Canyon, N of San Fernando Comment
  HSC13529  Eriodictyon crassifolium David Porter 1965-4-24 Los Angeles 5 mi. W of Newhall on Pico Canyon Rd., Newhall 610 Comment
  IRVC28595  Eriodictyon crassifolium var. nigrescens A. C. Sanders, Mark Elvin 2002-6-19 25193 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  RSA26288  Eriodictyon crassifolium var. nigrescens Reid V. Moran 1941-5-17 863 Los Angeles Pico Canyon, north of San Fernando. 600 Comment
  UCR125932  Eriodictyon crassifolium var. nigrescens A. C. Sanders, Mark Elvin 2002-6-19 25193 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  CAS-BOT-BC255411  Eriogonum Kim Marsden; K. Rindlaub 2003-5-10 s.n. Ventura Newhall Ranch, Salt Creek, survey area 73, Val Verde 7.5' Q., N side of Santa Susana Mtns. 426 Comment
  UCR162782  Eriogonum Kim Marsden, K. Rindlaub 2003-5-10 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek, survey area 73 427 Comment
  IRVC26910  Eriogonum angulosum Mark A. Elvin, Kim Marsden 2003-8-8 2970 B Los Angeles Newhall Ranch, SW face of Potrero Mesa Santa Clarita Valley 305 Comment
  IRVC28798  Eriogonum angulosum A. C. Sanders, Mark A. Elvin 2002-8-26 25580 Los Angeles Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle Western Transverse Range/Santa Clara River Watershed 335 Comment
  IRVC28809  Eriogonum angulosum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25516 Los Angeles Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters NE end of Santa Susana Mtns. 313 Comment
  IRVC28811  Eriogonum angulosum A. C. Sanders 2003-8-5 27112 Los Angeles Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  RSA709374  Eriogonum angulosum A. C. Sanders, Mark A. Elvin 2002-8-26 25580 Los Angeles Western Transverse Range/Santa Clara River Watershed: Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle. 335 Comment
  RSA750962  Eriogonum angulosum Mark A. Elvin 2003-6-19 2949 Los Angeles hills west of San Martinez Grande Canyon and north of Calif. Hwy 126, Newhall Ranch 366 Comment
  SD197874  Eriogonum angulosum Mark A. Elvin 2003-6-19 2949 Los Angeles Hills west of San Martinez Grande Canyon and north of CA Hjighway 126, Newhall Ranch. 366 Comment
  SEINET1004565  Eriogonum angulosum Mark A. Elvin, Kim Marsden 2003-1 297 -B Los Angeles Santa Clarita Valley:Newhall Ranch, SW face of Potrero Mesa. 305 Comment
  SEINET3246222  Eriogonum angulosum Mark A. Elvin 2003-1 2949 Los Angeles Western Transverse Range: hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch. 366 Comment
  UCD99684  Eriogonum angulosum A. C. Sanders 2002-8-26 25580 Los Angeles Western Transverse Range/Santa Clara River Watershed; Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon. WNW of Del Valle. 335 Comment
  UCD99685  Eriogonum angulosum A. C. Sanders 2003-8-5 27112 Los Angeles NE end of Santa Susana Mtns; Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters. 320 Comment
  UCR127629  Eriogonum angulosum A. C. Sanders 2003-8-5 27112 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters 366 Comment
  UCR127660  Eriogonum angulosum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25516 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  UCR127665  Eriogonum angulosum A. C. Sanders, Mark A. Elvin 2002-8-26 25580 Los Angeles Western Transverse Range/Santa Clara River Watershed, Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle 335 Comment
  UCR127670  Eriogonum angulosum Mark A. Elvin, Kim Marsden 2003-8-8 2970 B Los Angeles Santa Clarita Valley, Newhall Ranch, SW face of Potrero Mesa 305 Comment
  UCR127671  Eriogonum angulosum Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 3007 Los Angeles Santa Clarita Valley, Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  UCR128098  Eriogonum angulosum Mark A. Elvin 2003-6-19 2949 Los Angeles Western Transverse Range, hills west of San Martinez Grande Canyon and north of Calif. Hwy 126, Newhall Ranch 366 Comment
  UCR128134  Eriogonum angulosum Anuja Parikh, Nathan Gale 2003-5-26 s.n. Los Angeles N side of Santa Susana Mtns., Newhall Ranch, Salt Creek, lower end of east fork in survey area 79 427 Comment
  UCR163334  Eriogonum baileyi Anuja Parikh, Nathan Gale 2004-6-22 2061 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  IRVC27938  Eriogonum baileyi var. baileyi Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 3003 Los Angeles Newhall Ranch, mouth of Castaic Creek, S of SR 126 Santa Clarita Valley 290 Comment
  IRVC28799  Eriogonum baileyi var. baileyi A. C. Sanders, Mark Elvin 2003-8-7 27172 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  IRVC28810  Eriogonum baileyi var. baileyi A. C. Sanders, Mark Elvin 2002-6-20 25253 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  RSA709375  Eriogonum baileyi var. baileyi A. C. Sanders, Mark A. Elvin 2002-6-20 25253 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  SD178198  Eriogonum baileyi var. baileyi A. C. Sanders, Mark Elvin 2002-6-20 25253 Los Angeles Northeast end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 289 Comment
  SD234490  Eriogonum baileyi var. baileyi Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 3003 Los Angeles Santa Carita Valley: Newhall Ranch, mouth of Castaic Creek, S of SR 126. 289 Comment
  SEINET1004569  Eriogonum baileyi var. baileyi Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-1 3003 Los Angeles Santa Clarita Valley: Newhall Ranch, mouth of Castaic Creek, S of SR 126. 290 Comment
  SEINET7856433  Eriogonum baileyi var. baileyi A. C. Sanders, Mark Elvin 2003-8-7 27172 Los Angeles NE end of Santa Susana Mtns.; Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur. 267 Comment
  UCR127655  Eriogonum baileyi var. baileyi A. C. Sanders 2003-8-6 27124 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR127656  Eriogonum baileyi var. baileyi A. C. Sanders, Mark Elvin 2003-8-7 27172 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR127662  Eriogonum baileyi var. baileyi A. C. Sanders, Mark Elvin 2002-6-20 25253 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR128094  Eriogonum baileyi var. baileyi Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 3003 Los Angeles Santa Clarita Valley, Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  UCR172447  Eriogonum baileyi var. baileyi Anuja Parikh, Nathan Gale 2005-7-7 2128 Los Angeles Santa Clara River Valley, near confluence of Castaic Creek and the river, Newhall Ranch, study area 44 290 Comment
  IRVC27202  Eriogonum brachyanthum A. C. Sanders, Mark Elvin 2002-6-20 25255 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  IRVC28800  Eriogonum brachyanthum A. C. Sanders, Mark Elvin 2003-8-7 27171 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  RSA709373  Eriogonum brachyanthum A. C. Sanders, Mark A. Elvin 2003-8-7 27171 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur. 267 Comment
  UCR127658  Eriogonum brachyanthum A. C. Sanders, Mark Elvin 2003-8-7 27171 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR127663  Eriogonum brachyanthum A. C. Sanders, Mark Elvin 2002-6-20 25255 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR127664  Eriogonum brachyanthum A. C. Sanders, Mark Elvin 2002-6-20 25256 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR162584  Eriogonum brachyanthum Anuja Parikh, Nathan Gale 2004-5-31 2013 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 1) at and below confluence of Potrero Canyon 259 Comment
  IRVC29287  Eriogonum cithariforme Anuja Parikh, Nathan Gale 2003-5-26 s.n. Los Angeles Newhall Ranch, Salt Creek, lower end of east fork in survey area 79 N side of Santa Susana Mtns. 305 Comment
  RSA766380  Eriogonum cithariforme Joseph A. Ewan 1930-5-17 5505 Los Angeles Pico Canyon above Newhall 549 Comment
  SD212686  Eriogonum cithariforme Anuja Parikh, Nathan Gale 2005-7-5 2123 Los Angeles Santa Susana Mountains: Newhall Ranch, slopes South of upper Potrero Canyon, South of Santa Clara River circa 2 miles East of the Ventura County line, study area 19 366 Comment
  UCR174490  Eriogonum cithariforme Anuja Parikh, Nathan Gale 2005-7-5 2123 Los Angeles Santa Susana Mtns., Newhall Ranch, slopes south of upper Potrero Canyon, south of Santa Clara River c. 2 mi. east of the Ventura Co. line, study area 19 396 Comment
  IRVC26921  Eriogonum cithariforme var. agninum Mark A. Elvin 2003-5-25 2927 A Los Angeles Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage NE end of Santa Susana Mtns. 595 Comment
  RSA709376  Eriogonum cithariforme var. agninum Mark A. Elvin 2003-5-25 2927 -A Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage. 595 Comment
  SD178264  Eriogonum cithariforme var. agninum Mark A. Elvin 2003-5-25 2927 A Los Angeles Northeast end of Santa Susana Mountains: Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage. 594 Comment
  UCD99814  Eriogonum cithariforme var. agninum Mark A. Elvin 2003-5-25 2927 A Los Angeles NE end of Santa Susana Mtns; Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage. 595 Comment
  UCR126824  Eriogonum cithariforme var. agninum A. C. Sanders 2003-6-19 26974 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  UCR127649  Eriogonum cithariforme var. agninum A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25579 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, north of East Fork Salt Canyon 549 Comment
  UCR127674  Eriogonum cithariforme var. agninum Mark A. Elvin 2003-5-25 2927 A Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage 595 Comment
  UCR128132  Eriogonum cithariforme var. agninum Anuja Parikh, Nathan Gale 2003-5-26 s.n. Los Angeles N side of Santa Susana Mtns., Newhall Ranch, Salt Creek, lower end of east fork in survey area 79 427 Comment
  UCR162298  Eriogonum covilleanum Anuja Parikh, Nathan Gale 2004-6-2 2034 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  IRVC28555  Eriogonum elongatum A. C. Sanders 2003-8-5 27107 Los Angeles Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  IRVC28747  Eriogonum elongatum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25518 Los Angeles Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters NE end of Santa Susana Mtns. 313 Comment
  SEINET6417990  Eriogonum elongatum James Henrickson 1972-11-2 8098 Los Angeles 8 miles NW of Newhall, ca. 1 mile W of Highway 5 on grassy slopes above Hasley Cyn. Rd. 366 Comment
  UCR125246  Eriogonum elongatum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25518 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  UCR126334  Eriogonum elongatum A. C. Sanders 2003-8-5 27107 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters 366 Comment
  CHSC36043  Eriogonum elongatum var. elongatum James Henrickson 1972-11-2 8098 Los Angeles 8 mi. NW of Newhall, ca. 1 mi. W. of Hwy. 5 on grassy slopes above Hasley Cyn. Rd. 365 Comment
  SBBG62027  Eriogonum elongatum var. elongatum R. Hoffmann 1928-7-7 Los Angeles 5 mi W of Castaic Comment
  IRVC26153  Eriogonum fasciculatum A. C. Sanders 2003-6-19 26968 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  UCR127000  Eriogonum fasciculatum A. C. Sanders 2003-6-19 26968 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  IRVC28667  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25105 Los Angeles Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 335 Comment
  UCR125127  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25105 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 366 Comment
  UCR162640  Eriogonum fasciculatum subsp. polifolium Anuja Parikh, Nathan Gale 2004-6-17 2050 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 44) in vicinity of confluence of Castaic Creek and Santa Clara River 290 Comment
  IRVC26963  Eriogonum fasciculatum var. fasciculatum Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 2998 Los Angeles Newhall Ranch, mouth of Castaic Creek, S of SR 126 Santa Clarita Valley 290 Comment
  IRVC26187  Eriogonum fasciculatum var. foliolosum Mark A. Elvin 2003-5-25 2927 B Los Angeles Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage NE end of Santa Susana Mtns. 595 Comment
  RSA725927  Eriogonum fasciculatum var. foliolosum Mark A. Elvin 2003-5-25 2927 -B Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage. 595 Comment
  UCR125235  Eriogonum fasciculatum var. foliolosum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25505 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, dry side canyon near its mouth on north side of road, NE of bench mark 1205 396 Comment
  UCR125236  Eriogonum fasciculatum var. foliolosum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25506 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, dry side canyon near its mouth on north side of road, NE of bench mark 1205 396 Comment
  UCR125927  Eriogonum fasciculatum var. foliolosum A. C. Sanders, Mark Elvin 2002-6-19 25195 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  UCR127239  Eriogonum fasciculatum var. foliolosum Mark A. Elvin 2003-5-25 2927 B Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage 595 Comment
  UCR128002  Eriogonum fasciculatum var. foliolosum Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 2998 Los Angeles Santa Clarita Valley, Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  UC635080  Eriogonum fasciculatum var. polifolium Herbert L. Mason 1926-4-26 2962 Los Angeles 4 mi w Saugus Comment
  CAS-BOT-BC175235  Eriogonum gracile A. C. Sanders 2003-7-15 27099 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Magic Mountain area, 0.9 mi. south of Castaic Junction, west of water tanks 335 Comment
  RSA713828  Eriogonum gracile A. C. Sanders 2003-7-15 27099 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, Magic Mountain area, 0.9 mi. south of Castaic Junction, west of 'water tanks'. 335 Comment
  UCR124027  Eriogonum gracile A. C. Sanders, Mark A. Elvin 2002-8-28 25601 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park 360 Comment
  UCR133644  Eriogonum gracile A. C. Sanders 2003-7-15 27099 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Magic Mountain area, 0.9 mi. south of Castaic Junction, west of 'water tanks 335 Comment
  IRVC26924  Eriogonum gracile var. gracile Mark A. Elvin, Kim Marsden 2003-8-8 2970 A Los Angeles Newhall Ranch, Potrero Canyon SW of the junction of Potrero Creek and the Santa Clara River Santa Clarita Valley 305 Comment
  IRVC26930  Eriogonum gracile var. gracile Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 3002 Los Angeles Newhall Ranch, mouth of Castaic Creek, S of SR 126 Santa Clarita Valley 290 Comment
  IRVC28801  Eriogonum gracile var. gracile A. C. Sanders 2003-8-4 27104 Los Angeles Newhall Ranch, canyon in low hills north of Potrero Canyon NE end of Santa Susana Mtns. 305 Comment
  IRVC28808  Eriogonum gracile var. gracile A. C. Sanders, Mark Elvin 2002-6-18 25136 Los Angeles Newhall Ranch, "Sawtooth Ridge" area ca. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 NE end of Santa Susana Mtns. 366 Comment
  SD234496  Eriogonum gracile var. gracile Mark A. Elvin, Kim Marsden 2003-8-8 2970 A Los Angeles Santa Clarita Valley: Newhall Ranch, Potrero Canyon SW of the junction of Potrero Creek and the Santa Clara river. 305 Comment
  SEINET7856441  Eriogonum gracile var. gracile M. A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 3002 Los Angeles Santa Clarita Valley; Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  SEINET7856448  Eriogonum gracile var. gracile M. A. Elvin 2003-8-13 2985 Los Angeles Santa Clarita Valley; Newhall Ranch, Santa Clara River at the mouth of Long Canyon. 274 Comment
  SEINET7862092  Eriogonum gracile var. gracile A. C. Sanders 2003-8-4 27104 Los Angeles NE end of Santa Susana Mtns.; [Newhall Ranch, canyon in low hills north of Potrero Canyon.] 305 Comment
  SEINET7862101  Eriogonum gracile var. gracile M. A. Elvin 2003-5-25 2927 A Los Angeles NE end of Santa Susana Mtns.; [Newhall Ranch, Salt Creek, mesa in middle of Salt Creek drainage.] 595 Comment
  UC1735813  Eriogonum gracile var. gracile Dean W. Taylor 1989-12-9 10597 Los Angeles Castaic Creek, S of Castaic, 0.3 miles S of Tapia Canyon Road, 426 Comment
  UCR126627  Eriogonum gracile var. gracile A. C. Sanders, Mark Elvin 2003-8-7 27173 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR127657  Eriogonum gracile var. gracile A. C. Sanders 2003-8-4 27104 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon in low hills north of Potrero Canyon 305 Comment
  UCR127659  Eriogonum gracile var. gracile A. C. Sanders, Mark Elvin 2002-6-20 25216 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR127661  Eriogonum gracile var. gracile A. C. Sanders, Mark Elvin 2002-6-18 25136 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  UCR127668  Eriogonum gracile var. gracile A. C. Sanders 2003-6-18 26936 Los Angeles N end of Santa Susana Mtns., ridge c. 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM 1302 ft., Newhall Ranch 396 Comment
  UCR127669  Eriogonum gracile var. gracile Mark A. Elvin, Kim Marsden 2003-8-8 2970 A Los Angeles Santa Clarita Valley, Newhall Ranch, Potrero Canyon SW of the junction of Potrero Creek and the Santa Clara River 305 Comment
  UCR127672  Eriogonum gracile var. gracile Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 3002 Los Angeles Santa Clarita Valley, Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  UCR127673  Eriogonum gracile var. gracile Mark A. Elvin 2003-8-13 2985 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  UCR127828  Eriogonum gracile var. gracile Mark A. Elvin 2003-6-19 2951 Los Angeles Western Transverse Range, hills west of San Martinez Grande Canyon and north of Calif. Hwy 126, Newhall Ranch 366 Comment
  SBBG61957  Eriogonum gracillimum R. Hoffmann 1928-7-7 Los Angeles 5 mi W of Castaic Jct Comment
  SBBG62129  Eriogonum gracillimum R. Hoffmann 1928-7-7 Los Angeles 5 mi W of Castaic Jct Comment
  UCR163176  Eriogonum gracillimum Anuja Parikh, Nathan Gale 2004-6-16 2048 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, Castaic Creek north of Calif. Hwy 126 and SW of Commerce Center Dr. 290 Comment
  RSA292457  Eriogonum roseum James Henrickson 1972-11-2 8087 Los Angeles 4 mi. N. of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Rd. 372 Comment
  JEPS97067  Eriogonum thurberi Ralph Hoffmann 1929-4-27 Los Angeles near Castaic (Little Martinez Creek) Comment
  SBBG65500  Eriogonum thurberi R. Hoffmann 1929-4-27 Los Angeles near Castaic, Little Martinez Crk Comment
  SBBG65509  Eriogonum thurberi R. Hoffmann 1928-7-9 Los Angeles Little Martinez Crk, 3 mi W of Castaic 205 Comment
  IRVC26191  Eriophyllum confertiflorum A. C. Sanders 2003-6-19 26975 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  UCR126825  Eriophyllum confertiflorum A. C. Sanders 2003-6-19 26975 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  UC566762  Eriophyllum confertiflorum var. confertiflorum H. L. Mason 1926-4-26 2957 Los Angeles 4 mi w Saugus Comment
  UCR163173  Erodium brachycarpum Anuja Parikh, Nathan Gale 2004-6-21 2058 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 29), near mouth of Chiquito Canyon 396 Comment
  UC1130275  Erodium cicutarium P. L. Johannsen 1934-3-5 313 Los Angeles 1 mi ne Castac; Santa Susana Quad. 457 Comment
  UCR125392  Erodium cicutarium A. C. Sanders, Mark Elvin 2003-3-5 25741 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UCR125391  Erodium moschatum A. C. Sanders, Mark Elvin 2003-3-5 25740 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  IRVC26943  Erysimum capitatum Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2740 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  UCR127873  Erysimum capitatum Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2740 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR128024  Erysimum capitatum Anuja Parikh, Nathan Gale 2003-5-13 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek 457 Comment
  UCR128272  Erysimum capitatum Anuja Parikh, Nathan Gale 2003-5-12 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek, survey area 76 457 Comment
  UCR128182  Erysimum capitatum var. capitatum Anuja Parikh, Nathan Gale 2003-5-15 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 518 Comment
  UCR126554  Eucalyptus camaldulensis Mark A. Elvin, Kim Marsden 2003-8-8 2979 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River, c. 100 m east of the Ventura Co. line 290 Comment
  IRVC26455  Eucrypta chrysanthemifolia A. C. Sanders, Mark A. Elvin, et al. 2003-3-5 25721 Los Angeles Newhall Ranch, canyon NE of "Grapevine Mesa," SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, W of "oil tanks" near BM 1073 NE end of Santa Susana Mtns. Comment
  RSA0128960  Eucrypta chrysanthemifolia A. C. Sanders, Mark A. Elvin 2003-4-14 25980 Los Angeles Santa Clara River watershed; Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  RSA725905  Eucrypta chrysanthemifolia A. C. Sanders, Mark A. Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25721 Los Angeles NE end of Santa Susand Mtns.: Newhall Ranch, canyon NE of Grapevine Mesa, SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, W of oil tanks near BM 1073. Comment
  UCR125378  Eucrypta chrysanthemifolia A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25721 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon NE of 'Grapevine Mesa,' SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, west of 'oil tanks' near BM 1073 Comment
  UCR125492  Eucrypta chrysanthemifolia A. C. Sanders, Mark Elvin 2003-4-14 25980 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  SBBG120062  Eucrypta chrysanthemifolia var. chrysanthemifolia A. C. Sanders 2003-4-14 25980 Los Angeles Newhall Ranch, ca. 0.4 mi N of St Hwy 126, W of Castaic Crk and N of its confluence with Santa Clara River, 0.6 mi S of Commerce Center Drive along Franklin Parkway 305 Comment
  IRVC28683  Euphorbia albomarginata A. C. Sanders, Mark Elvin 2002-6-18 25130 Los Angeles Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park NE end of Santa Susana Mtns. 366 Comment
  UCR125152  Euphorbia albomarginata A. C. Sanders, Mark Elvin 2002-6-18 25130 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR126715  Euphorbia maculata A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27148 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR128011  Euphorbia maculata Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 3001 Los Angeles Santa Clarita Valley, Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  IRVC26352  Euphorbia polycarpa A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26047 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  IRVC28983  Euphorbia polycarpa A. C. Sanders 2003-6-19 26970 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  RSA712903  Euphorbia polycarpa A. C. Sanders, Mark Elvin 2003-4-16 26047 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park. 366 Comment
  SD186181  Euphorbia polycarpa A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26047 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway. 366 Comment
  UCR125160  Euphorbia polycarpa A. C. Sanders, Mark Elvin 2002-6-18 25123 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR126614  Euphorbia polycarpa A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26047 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  UCR127023  Euphorbia polycarpa A. C. Sanders 2003-6-19 26970 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  RSA716812  Euphorbia serpillifolia A. C. Sanders 2003-8-7 27167 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur. 267 Comment
  SD186182  Euphorbia serpillifolia A. C. Sanders, Mark Elvin 2003-8-7 27167 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle. 267 Comment
  SEINET12803702  Euphorbia serpillifolia A. C. Sanders, Mark Elvin 2003-1 27167 Los Angeles NE end of Santa Susana Mtns. Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of May Spur 267 Comment
  UCR126621  Euphorbia serpillifolia A. C. Sanders, Mark Elvin 2003-8-7 27167 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR172289  Euphorbia serpillifolia Anuja Parikh, Nathan Gale 2005-7-11 2134 Los Angeles Santa Clara River Valley, Newhall Ranch, N of the Santa Clara River, near Del Valle and the mouth of Chiquito Canyon, study area 29 274 Comment
  IRVC27006  Euphorbia serpyllifolia A. C. Sanders, Mark Elvin 2003-8-7 27167 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  IRVC26369  Festuca microstachys A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26053 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  IRVC29271  Festuca microstachys Anuja Parikh, Nathan Gale 2003-5-12 s.n. Ventura Newhall Ranch, Salt Creek, survey area 76 N side of Santa Susana Mtns. 457 Comment
  UCR126611  Festuca microstachys A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26053 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  UCR128276  Festuca microstachys Anuja Parikh, Nathan Gale 2003-5-12 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek, survey area 76 457 Comment
  UCR125399  Festuca myuros A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25696 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR126842  Ficus carica A. C. Sanders, Mark A. Elvin 2002-8-26 25584 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa 305 Comment
  IRVC28570  Filago californica A. C. Sanders, Mark Elvin, et al. 2003-4-14 25962 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River NE end of Santa Susana Mtns. 351 Comment
  RSA710272  Filago californica A. C. Sanders, Mark A. Elvin 2003-4-14 25962 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  UCR126727  Filago californica A. C. Sanders, Mark Elvin 2003-4-14 25962 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR128018  Foeniculum vulgare Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2990 Los Angeles Santa Clarita Valley, S side of the Santa Clara River, c. 200 m upstream from the mouth of Potrero Creek 274 Comment
  UCR163335  Forestiera pubescens Anuja Parikh, Nathan Gale 2004-6-22 2062 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  UCR126833  Fraxinus uhdei A. C. Sanders, Mark A. Elvin 2002-8-26 25592 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa 305 Comment
  UCR162365  Gaillardia pulchella Anuja Parikh, Nathan Gale 2004-6-15 2041 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 5) in vicinity of Castaic Junction 305 Comment
  GH385720  Galium angustifolium R. V. Moran 1941-5-17 861 Unknown Pico Canyon, north of San Fernando Comment
  IRVC26189  Galium angustifolium A. C. Sanders 2003-6-19 26973 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  IRVC28741  Galium angustifolium A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25576 Los Angeles Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, N of East Fork Salt Canyon NE end of Santa Susana Mtns. 488 Comment
  IRVC29004  Galium angustifolium A. C. Sanders, Mark Elvin 2002-6-25 25271 Los Angeles Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 366 Comment
  LA208355  Galium angustifolium Joseph Andorfer Ewan; 1930-5-17 5507 Los Angeles Pico Canyon above Newhall 548 Comment
  RSA714789  Galium angustifolium A. C. Sanders 2003-6-19 26973 Los Angeles Western Transverse Range/Santa Clara River Watershed: hills west of San Martinez Grande Canyon, northe of Hwy 126, Newhall Ranch. 10 Comment
  UCD121579  Galium angustifolium A. C. Sanders 2003-6-19 26973 Los Angeles Western Transverse Range/Santa Clara River Watershed: hills west of San Martinez Grande Canyon, north of Hwy. 126, Newhall Ranch. 366 Comment
  UCR125177  Galium angustifolium A. C. Sanders, Mark Elvin 2002-6-25 25271 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  UCR126822  Galium angustifolium A. C. Sanders 2003-6-19 26973 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  UCR127373  Galium angustifolium A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25576 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, north of East Fork Salt Canyon 549 Comment
  POM180172  Galium angustifolium subsp. angustifolium Joseph A. Ewan 1930-5-17 5507 Los Angeles Pico Canyon above Newhall. 549 Comment
  SBBG68819  Galium angustifolium subsp. angustifolium R. Hoffmann 1929-4-26 Los Angeles 5 mi W of Castaic Comment
  UCR162368  Galium nuttallii subsp. nuttallii Anuja Parikh, Nathan Gale 2004-5-13 2009 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch (study area 46), near Magic Mountain Theme Park 396 Comment
  UCR172300  Gastridium ventricosum Anuja Parikh, Nathan Gale 2005-6-8 2117 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, between Potrero and Salt Creek Canyons, south of Santa Clara River near the Ventura Co. line, study area 14 335 Comment
  UCR126356  Gazania linearis A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27134 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR162287  Gilia Anuja Parikh, Nathan Gale 2004-6-2 2030 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  CAS-BOT-BC248285  Gilia angelensis Mark A. Elvin 2003-4-22 2529 Los Angeles Western Transverse Range: Newhall Ranch, bee site on open former oil well pad just east of Grapevine Mesa, S of Santa Clara River and Hwy 126, c. 4 mi. east of Ventura Co. line 314 Comment
  IRVC26456  Gilia angelensis A. C. Sanders, Mark Elvin, et al. 2003-3-4 25691 Los Angeles Newhall Ranch, along dirt road on eastern slopes below "Grapevine Mesa," 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  RSA714915  Gilia angelensis A. C. Sanders, Mark Elvin, et al. 2003-4-14 25965 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  RSA732530  Gilia angelensis A. C. Sanders, Mark Elvin 2003-3-5 25743 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Exon Mesa, due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River. 335 Comment
  RSA791801  Gilia angelensis Mark Elvin 2003-4-22 2529 Los Angeles Western Transverse Range: Newhall Ranch, bee site on open former oil well pad just east of Grapevine Mesa, south of Santa Clara River and highway 126, c. 4 miles east of Ventura county line. 314 Comment
  SD234475  Gilia angelensis A. C. Sanders, Mark Elvin 2003-3-5 25743 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Exon Mesa due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River (Newhall 7.5' Q) 334 Comment
  SD241127  Gilia angelensis Mark A. Elvin 2003-4-22 2529 Los Angeles Western Transverse Range: Newhall Ranch, bee site on open former oil well pad just east of Grapevine Mesa, S. of Santa Clara River and Hwy 126, c. 4 mi east of Ventura Co. line (Val Verde 7.5'Q) 341 Comment
  SEINET11261918  Gilia angelensis Mark A. Elvin 2003-4-22 2529 Los Angeles Western Transverse Range: Newhall Ranch, bee site on open former oil well pad just east of Grapevine Mesa, S of Santa Clara River and Hwy 126, c. 4 mi east of Ventura Co. line. ( Val Verde 7.5' Q.); 0 314 Comment
  UC909021  Gilia angelensis Herbert L. Mason 1926-4-26 2955 Los Angeles 4 mi w Saugus; w of Saugus Comment
  UCR125394  Gilia angelensis A. C. Sanders, Mark Elvin 2003-3-5 25743 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UCR125424  Gilia angelensis A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25691 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along dirt road on eastern slopes below 'Grapevine Mesa,' 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR125487  Gilia angelensis A. C. Sanders, Mark Elvin 2003-4-14 25965 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR237897  Gilia angelensis Mark A. Elvin 2003-4-22 2529 Los Angeles Western Transverse Range, Newhall Ranch, bee site on open former oil well pad just east of Grapevine Mesa, S of Santa Clara River and Hwy 126, c. 4 mi. east of Ventura Co. line 314 Comment
  IRVC26356  Gilia capitata A. C. Sanders, Mark A. Elvin 2003-4-16 26038 Los Angeles Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank Santa Clara River watershed 305 Comment
  IRVC26466  Gilia capitata A. C. Sanders, Mark Elvin, et al. 2003-3-5 25710 Los Angeles Newhall Ranch, "Grapevine Mesa" ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon NE end of Santa Susana Mtns. 335 Comment
  RSA712913  Gilia capitata A. C. Sanders, Mark Elvin 2003-4-16 26038 Los Angeles Santa Clara River watershed: Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi south of of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  SD186281  Gilia capitata A. C. Sanders, Mark A. Elvin 2003-4-16 26038 Los Angeles Newhall Ranch, ca. 0.4 north of Highway 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mile south of Commerce Center Dr. along Franklin Parkway. 305 Comment
  SD234981  Gilia capitata A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub. 2003-3-5 25710 Los Angeles NE end of Santa Susana Mountains: Newhall Ranch, Grapevine Mesa ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon (Val Verde 7.5' Q) 334 Comment
  UCR125398  Gilia capitata A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25710 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  UCR126682  Gilia capitata A. C. Sanders, Mark A. Elvin 2003-4-16 26038 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 366 Comment
  UC908401  Gilia capitata subsp. abrotanifolia Herbert L. Mason 1926-4-26 2952 Los Angeles 4 mi w Saugus; w of Saugus Comment
  RSA732532  Gilia capitata subsp. capitata A. C. Sanders, Mark Elvin, C. Weigand, M. S. Enright, M. Balk, N. Gale, A. Parikh, K. Rindlaub 2003-3-5 25710 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Grapevine Mesa ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  IRVC28620  Glycyrrhiza lepidota A. C. Sanders, Mark Elvin 2002-6-20 25252 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  UCR129396  Glycyrrhiza lepidota A. C. Sanders, Mark Elvin 2002-6-20 25252 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR162637  Glycyrrhiza lepidota Anuja Parikh, Nathan Gale 2004-6-17 2052 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 44) in vicinity of confluence of Castaic Creek and Santa Clara River 290 Comment
  IRVC26299  Gnaphalium californicum Mark A. Elvin, Cathleen Weigand 2003-5-21 2876 Ventura central part of Salt Canyon watershed, Newhall Ranch Santa Susana Mountains 518 Comment
  IRVC26942  Gnaphalium californicum Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2738 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  IRVC28729  Gnaphalium californicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25504 Los Angeles canyon draining into Santa Clara River Valley from the south off "Round Mtn." (peak 1476), north of Potrero Canyon NE end of Santa Susana Mtns. 305 Comment
  RSA706651  Gnaphalium californicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25504 Los Angeles NE end of Santa Susana Mtns.: canyon draining into Santa Clara River Valley from the south off Round Mtn. (peak 1476), north of Potrero Canyon 305 Comment
  UCR125255  Gnaphalium californicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25504 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  UCR125956  Gnaphalium californicum A. C. Sanders, Mark Elvin 2002-6-19 25149 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR127872  Gnaphalium californicum Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2738 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR128185  Gnaphalium californicum Mark A. Elvin, Cathleen Weigand 2003-5-21 2876 Ventura Western Transverse Range; Santa Susana Mountains, central part of Salt Canyon watershed, Newhall Ranch 518 Comment
  IRVC26964  Gnaphalium canescens subsp. microcephalum Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 2999 Los Angeles Newhall Ranch, mouth of Castaic Creek, S of SR 126 Santa Clarita Valley 290 Comment
  IRVC28733  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25513 Los Angeles Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters NE end of Santa Susana Mtns. 313 Comment
  UCR125259  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25513 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  UCR128009  Gnaphalium canescens subsp. microcephalum Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 2999 Los Angeles Santa Clarita Valley, Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  UCR128183  Gnaphalium canescens subsp. microcephalum Anuja Parikh, Nathan Gale 2003-5-15 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 518 Comment
  UCR142064  Gnaphalium leucocephalum Mark A. Elvin 2003-8-13 2983 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  UCR142065  Gnaphalium leucocephalum Mark A. Elvin, Kim Marsden, Cathleen Wiegand 2003-8-15 3005 Los Angeles Santa Clarita Valley, Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  UCR125964  Gnaphalium luteoalbum A. C. Sanders, Mark Elvin 2002-6-19 25145 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR127091  Gnaphalium palustre Mark A. Elvin, Cathleen Weigand 2003-4-7 2452 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  UCR129504  Gnaphalium palustre A. C. Sanders, Mark Elvin 2002-6-20 25232 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR172446  Gnaphalium stramineum Anuja Parikh, Nathan Gale 2005-7-8 2131 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills between Potrero Canyon and Long Canyon, study area 25 412 Comment
  UCR162300  Gutierrezia californica Anuja Parikh, Nathan Gale 2004-7-16 2088 Los Angeles NE end of Santa Susana Mtns, Newhall Ranch (study area 23), ridges northeast of upper Potrero Canyon 427 Comment
  UCR126835  Haplopappus squarrosus A. C. Sanders, Mark A. Elvin 2002-8-26 25581 Los Angeles Western Transverse Range/Santa Clara River Watershed, Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle 335 Comment
  UCR126789  Haplopappus venetus Mark A. Elvin 2003-6-12 2947 B Los Angeles Santa Clarita Valley, Newhall Ranch, south of Magic Mountain Amusement Park, west of The Old Road 366 Comment
  UCR126831  Haplopappus venetus A. C. Sanders, Mark A. Elvin 2002-8-27 25594 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, Santa Clara River Valley, south of Hwy 126 274 Comment
  UCR126836  Haplopappus venetus A. C. Sanders, Mark A. Elvin 2002-8-26 25582 Los Angeles Western Transverse Range/Santa Clara River Watershed, Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle 335 Comment
  IRVC29002  Helianthus annuus subsp. lenticularis A. C. Sanders, Mark Elvin 2002-6-25 25269 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  UCR125140  Helianthus annuus subsp. lenticularis A. C. Sanders, Mark Elvin 2002-6-25 25269 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  OBI72021  Helianthus inexpectatus Mark Elvin 2002-7-17 2099 Los Angeles Western Transverse Range: Newhall ranch, large natural spring at N foot of "Airport Mesa", 0.75 mi SW of Castaic Jctn, above confluence of Castaic Crk with Santa Clara River (Newhall 7.5' Q 305 Comment
  OBI72022  Helianthus inexpectatus Mark Elvin, Tricia Wotipka 2002-9-5 2140 Los Angeles Western Transverse Range: Newhall ranch, large natural spring at N foot of "Airport Mesa", 0.75 mi SW of Castaic Jctn, above confluence of Castaic Crk with Santa Clara River (Newhall 7.5' Q 305 Comment
  OBI79413  Helianthus inexpectatus Mark Elvin 2014-9-12 s.n. Los Angeles Western Transverse Range, Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River. 305 Comment
  RSA0016426  Helianthus inexpectatus A. C. Sanders, Mark Elvin 2002-6-25 25257 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, large natural spring at north foot of Airport Mesa, 0.75 mi. SW of Castaic Junction. 305 Comment
  RSA0016427  Helianthus inexpectatus Anuja Parikh, Nathan Gale 2002-9-26 s.n. Los Angeles Western Transverse Range: Newhall Ranch, large natural spring at north foot of 'Airport Mesa', 0.75 mi. SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River. 305 Comment
  SBBG124396  Helianthus inexpectatus A. Parikh, N. Gale 2011-8-11 2158 a Los Angeles Newhall Ranch, 1.25 km SW of Castaic Junction and 1.5 km upstream of confluence of Castaic Crk and Santa Clara River 305 Comment
  SBBG125149  Helianthus inexpectatus A. Parikh, N. Gale 2011-8-11 2158 b Los Angeles Newhall Ranch, 1.25 km SW of Castaic Junction and 1.5 km upstream of confluence of Castaic Crk and Santa Clara River 305 Comment
  SD249144  Helianthus inexpectatus Mark Elvin 2014-9-12 Los Angeles Western Transverse Range, Newhall Ranch, large natural spring at north foot of Airport Mesa 0.75 mile SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River. 305 Comment
  UC1953168  Helianthus inexpectatus Mark Elvin with Julie Vanderwier 2002-8-12 2124 Los Angeles Western Transverse Range: Newhall Ranch, large natural spring at north foot of Airport Mesa, 0.75 mi SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River. Comment
  UC1953169  Helianthus inexpectatus Mark A. Elvin, Tricia Wotipka 2002-9-5 2140 Los Angeles Western Transverse Range: Newhall Ranch, large natural spring at north foot of Airport Mesa, 0.75 mi SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River Comment
  UCR125136  Helianthus inexpectatus A. C. Sanders, Mark Elvin 2002-6-25 25257 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR169825  Helianthus inexpectatus Anuja Parikh, Nathan Gale 2002-9-26 s.n. Los Angeles Western Transverse Range, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River 305 Comment
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Jul 9 2012
  UCR170019  Helianthus inexpectatus A. C. Sanders, Mark A. Elvin 2002-8-28 25605 Los Angeles Western Transverse Range, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River 305 Comment
  UCR170020  Helianthus inexpectatus A. C. Sanders, Mark A. Elvin 2002-8-28 25607 Los Angeles Western Transverse Range, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River 305 Comment
  UCR170392  Helianthus inexpectatus A. C. Sanders, Mark A. Elvin 2002-8-28 25604 Los Angeles Western Transverse Range, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River 305 Comment
  UCR170445  Helianthus inexpectatus A. C. Sanders, Mark A. Elvin 2002-8-28 25606 Los Angeles Western Transverse Range, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River 305 Comment
  IRVC28714  Helianthus nuttallii A. C. Sanders, Mark Elvin 2002-6-25 25257 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  SD212494  Helianthus nuttallii A. C. Sanders, Mark Elvin 2002-6-25 25257 Los Angeles Northeast end of Santa Susana Mountains; Newhall Ranch, large natural spring at north foot of Airport Mesa, 0.75 mile southwest of Castaic Junction. 305 Comment
  RSA0008271  Helianthus nuttallii subsp. parishii J. M. Porter 2006-11-5 12260 .4 Los Angeles Newhall Ranch, Castaic Spring, ca. 400 m S of the Santa Clara River, between Dead End Canyon and Middle Canyon. 1000 Comment
  RSA0008272  Helianthus nuttallii subsp. parishii J. M. Porter 2006-11-5 12260 .3 Los Angeles Newhall Ranch, Castaic Spring, ca. 400 m S of the Santa Clara River, between Dead End Canyon and Middle Canyon. 1000 Comment
  RSA0008273  Helianthus nuttallii subsp. parishii J. M. Porter 2006-11-5 12260 .2 Los Angeles Newhall Ranch, Castaic Spring, ca. 400 m S of the Santa Clara River, between Dead End Canyon and Middle Canyon. 1000 Comment
  RSA0008274  Helianthus nuttallii subsp. parishii J. M. Porter 2006-11-5 12260 .1 Los Angeles Newhall Ranch, Castaic Spring, ca. 400 m S of the Santa Clara River, between Dead End Canyon and Middle Canyon. 1000 Comment
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Jun 26 2019
  UC1751200  Helianthus nuttallii subsp. parishii Ken Koch Aug 2002 Los Angeles Newhall Ranch area, Santa Clara River floodplain south of Hwy 126 west of Intersatate 5 (location marked on map; provided by Mary Showers of Calif. Dept. Fish & Game Comment
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May 1 2014
  IRVC28584  Heliotropium curassavicum A. C. Sanders, Mark Elvin 2002-6-19 25171 Los Angeles Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River NE end of Santa Susana Mtns. 305 Comment
  IRVC28699  Heliotropium curassavicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25477 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  UCR123363  Heliotropium curassavicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25477 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR125949  Heliotropium curassavicum A. C. Sanders, Mark Elvin 2002-6-19 25171 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  IRVC28663  Hemizonia fasciculata A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25100 Los Angeles Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 335 Comment
  IRVC29657  Hemizonia fasciculata Mark A. Elvin 2003-6-12 2944 Los Angeles Newhall Ranch, S of Magic Mountain Amusement Park, W of The Old Road Santa Clarita Valley 366 Comment
  UCR125132  Hemizonia fasciculata A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25100 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 366 Comment
  UCR126788  Hemizonia fasciculata Mark A. Elvin 2003-6-12 2944 Los Angeles Santa Clarita Valley, Newhall Ranch, south of Magic Mountain Amusement Park, west of The Old Road 366 Comment
  UCR126823  Hemizonia fasciculata A. C. Sanders 2003-6-19 26980 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 366 Comment
  SEINET7096640  Hemizonia kelloggii A. G. Vestal 1955-6-9 s.n. Los Angeles Pico Canyon south and west of Route 99. NAD27, 343806? deg. , -118.6021? deg. (converted to WGS84) UTM Zone 11, 352703mE, 3805326mN. Comment
  UCR238073  Hemizonia paniculata Mark A. Elvin, M. S. Enright 2002-7-22 2112 Los Angeles Western Transverse Range, Newhall Ranch, Salt Creek 305 Comment
  UCR129502  Herniaria hirsuta subsp. cinerea A. C. Sanders, Mark Elvin 2002-6-20 25223 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  CHSC34438  Heteromeles arbutifolia James Henrickson 1972-11-2 8100 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 and Hasley Cyn. Rd. 365 Comment
  HSC79919  Heteromeles arbutifolia James Henrickson 1972-11-2 8100 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 and Hasley Canyon Rd. 366 Comment
  IRVC28681  Heteromeles arbutifolia A. C. Sanders, Mark Elvin 2002-6-18 25128 Los Angeles Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park NE end of Santa Susana Mtns. 366 Comment
  IRVC28709  Heteromeles arbutifolia A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25494 Los Angeles canyon draining into Santa Clara River Valley from the south off "Round Mtn." (peak 1476), north of Potrero Canyon NE end of Santa Susana Mtns. 305 Comment
  RSA725786  Heteromeles arbutifolia A. C. Sanders, Mark A. Elvin 2002-6-18 25128 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park. 366 Comment
  UCR125150  Heteromeles arbutifolia A. C. Sanders, Mark Elvin 2002-6-18 25128 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR125256  Heteromeles arbutifolia A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25494 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  UCR133646  Heterotheca grandiflora A. C. Sanders 2003-7-15 27097 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Magic Mountain area, 0.9 mi. south of Castaic Junction, west of 'water tanks 335 Comment
  UCR174905  Heterotheca grandiflora Anuja Parikh, Nathan Gale 2004-4-19 2001 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch (study area 51), VCC, near Castaic Creek 330 Comment
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Apr 28 2009
  HSC79918  Heterotheca sessiliflora James Henrickson 1972-11-2 8102 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 & Hasley Cyn. Rd. 366 Comment
  IRVC27452  Heterotheca sessiliflora A. C. Sanders, Mark A. Elvin 2002-8-28 25600 Los Angeles Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park NE end of Santa Susana Mtns. 360 Comment
  IRVC28556  Heterotheca sessiliflora A. C. Sanders 2003-8-5 27108 Los Angeles Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  IRVC28664  Heterotheca sessiliflora A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25102 Los Angeles Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 335 Comment
  RSA692075  Heterotheca sessiliflora A. C. Sanders, Mark Elvin 2002-8-28 25600 Los Angeles NE end of Santa Susana Mts.: Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusment park 360 Comment
  RSA709748  Heterotheca sessiliflora A. C. Sanders, Dave Fleitner, Mark Elvin 2003-8-6 27138 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 320 Comment
  RSA730755  Heterotheca sessiliflora A. C. Sanders, Mark Elvin, Julie Vanderwier, Kim Marsden 2002-6-18 25102 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills 1 mi. SSW of Castaic Junction, west of Magic Mountain amusement park. 335 Comment
  UCR124029  Heterotheca sessiliflora A. C. Sanders, Mark A. Elvin 2002-8-28 25600 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park 360 Comment
  UCR125131  Heterotheca sessiliflora A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25102 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 366 Comment
  UCR126333  Heterotheca sessiliflora A. C. Sanders 2003-8-5 27108 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters 366 Comment
  UCR126617  Heterotheca sessiliflora A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27138 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR162374  Heterotheca sessiliflora subsp. fastigiata Anuja Parikh, Nathan Gale 2004-6-16 2046 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, Castaic Creek north of Calif. Hwy 126 and SW of Commerce Center Dr. 290 Comment
  UCR174489  Hordeum brachyantherum subsp. brachyantherum Anuja Parikh, Nathan Gale 2005-4-23 2105 Los Angeles Western Transverse Range, Newhall Ranch (study area 51), VCC, near Castaic Creek 330 Comment
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Apr 9 2009
  CHSC35452  Hordeum murinum subsp. leporinum James Henrickson 1979-5-18 18142 Los Angeles Ca 1 miles N of Valencia, E of College of the Canyon between Valencia and McBean Parkway. 426 Comment
  CAS-BOT-BC173252  Isocoma menziesii var. vernonioides A. C. Sanders; Mark A. Elvin 2002-8-26 25582 Los Angeles Western Transverse Range/Santa Clara River Watershed: Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle 335 Comment
  RSA714591  Isocoma menziesii var. vernonioides A. C. Sanders 2002-8-27 25594 Los Angeles Northeastern Santa Susana Mtns./ Santa Clara River Watershed: Newhall Ranch, Santa Clara River Valley, south of Hwy 126. 274 Comment
  IRVC26210  Isomeris arborea A. C. Sanders 2003-6-19 26981 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  IRVC28615  Isomeris arborea A. C. Sanders, Mark Elvin 2002-6-20 25242 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  UCR126837  Isomeris arborea A. C. Sanders 2003-6-19 26981 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  UCR129402  Isomeris arborea A. C. Sanders, Mark Elvin 2002-6-20 25242 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  CAS-BOT-BC324737  Iva axillaris A. C. Sanders; Mark Elvin 2002-6-20 25243 Los Angeles Santa Clar River bottom at confluence with Castaic Creek near and above bench mark 926 at foot of bluffs on south of riverNE end of Santa Susana Mtns. 289 Comment
  IRVC28616  Iva axillaris A. C. Sanders, Mark Elvin 2002-6-20 25243 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  IRVC29018  Iva axillaris A. C. Sanders, Mark Elvin 2002-6-25 25296 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  UCR125141  Iva axillaris A. C. Sanders, Mark Elvin 2002-6-25 25296 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR129404  Iva axillaris A. C. Sanders, Mark Elvin 2002-6-20 25243 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  CHSC98062  Juglans californica A. C. Sanders; Mark Elvin 2003-8-7 27165 Los Angeles NE end of Santa Susana Mtns.; Newhall Ranch, Santa Clara River bottom east of Del Valle. 282 Comment
  IRVC27334  Juglans californica A. C. Sanders, Mark Elvin 2003-8-7 27165 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  IRVC28759  Juglans californica A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25548 Los Angeles Newhall Ranch, upper Potrero Canyon NE end of Santa Susana Mtns. 400 Comment
  RSA695394  Juglans californica A. C. Sanders, Mark A. Elvin, Cathleen Weigand 2002-8-1 25548 Los Angeles Newhall Ranch, Santa Clara River at dirt road crossing near Del Valle 274 Comment
  RSA709770  Juglans californica A. C. Sanders, Mark A. Elvin 2003-8-7 27165 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom east of Del Valle. 282 Comment
  SEINET1869731  Juglans californica A. C. Sanders, Mark Elvin 2003-1 27165 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch , Santa Clara River bottom east of Del Valle. 282 Comment
  UCR125133  Juglans californica A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25548 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper Potrero Canyon 400 Comment
  UCR125250  Juglans californica A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25544 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters 396 Comment
  UCR126712  Juglans californica A. C. Sanders, Mark Elvin 2003-8-7 27165 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom east of Del Valle 282 Comment
  UCR238078  Juglans californica Mark A. Elvin, Julie M. Vanderwier 2002-7-18 2103 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, ridge west of Potrero Canyon 396 Comment
  UC1950784  Juncus A. C. Sanders, Mark A. Elvin 2002-6-22 25279 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom, 0.5 mi SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 274 Comment
  IRVC26962  Juncus acutus A. C. Sanders, Mark Elvin 2003-8-7 27179 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  RSA709602  Juncus acutus A. C. Sanders, Mark A. Elvin 2003-8-7 27179 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur. 267 Comment
  UCR126353  Juncus acutus A. C. Sanders 2003-8-6 27123 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR126701  Juncus acutus A. C. Sanders, Mark Elvin 2003-8-7 27179 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  IRVC28561  Juncus acutus subsp. leopoldii A. C. Sanders 2003-8-6 27123 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  UCR162514  Juncus acutus subsp. leopoldii Anuja Parikh, Nathan Gale 2004-6-21 2057 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 29), near mouth of Chiquito Canyon 396 Comment
  IRVC28576  Juncus balticus A. C. Sanders, Mark Elvin 2002-6-19 25152 Los Angeles Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River NE end of Santa Susana Mtns. 305 Comment
  UCR125922  Juncus balticus A. C. Sanders, Mark Elvin 2002-6-19 25182 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  UCR125963  Juncus balticus A. C. Sanders, Mark Elvin 2002-6-19 25152 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR126363  Juncus balticus A. C. Sanders 2003-8-6 27122 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  IRVC29013  Juncus bufonius A. C. Sanders, Mark Elvin 2002-6-25 25290 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  UCR125145  Juncus bufonius A. C. Sanders, Mark Elvin 2002-6-25 25290 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR126552  Juncus bufonius Mark A. Elvin, Kim Marsden 2003-8-8 2973 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River, c. 100 m east of the Ventura Co. line 290 Comment
  UCR172297  Juncus bufonius Anuja Parikh, Nathan Gale 2005-7-16 2143 Los Angeles Santa Clara River Valley, Newhall Ranch, along of the Santa Clara River, just below Del Valle and the mouth of Chiquito Canyon, study area 13 274 Comment
  UCR126702  Juncus bufonius var. congestus A. C. Sanders, Mark Elvin 2003-8-7 27180 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  SD237245  Juncus macrophyllus A. C. Sanders, Mark Elvin 2002-6-25 25279 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom , 0.5 mi. SE of Del Valle, SW of Castaic Junction N of Potrero Cyn. 274 Comment
  UCR169505  Juncus macrophyllus A. C. Sanders, Mark Elvin 2002-6-25 25279 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR172293  Juncus macrophyllus Anuja Parikh, Nathan Gale 2005-7-15 2139 Los Angeles Santa Clara River Valley, Newhall Ranch, along of the Santa Clara River, just below Del Valle and the mouth of Chiquito Canyon, study area 13 274 Comment
  UCR172295  Juncus mexicanus Anuja Parikh, Nathan Gale 2005-7-16 2141 Los Angeles Santa Clara River Valley, Newhall Ranch, along of the Santa Clara River, just below Del Valle and the mouth of Chiquito Canyon, study area 13 274 Comment
  UCR172296  Juncus mexicanus Anuja Parikh, Nathan Gale 2005-7-16 2142 Los Angeles Santa Clara River Valley, Newhall Ranch, along of the Santa Clara River, just below Del Valle and the mouth of Chiquito Canyon, study area 13 274 Comment
  IRVC29007  Juncus rugulosus A. C. Sanders, Mark Elvin 2002-6-25 25278 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  UCR125174  Juncus rugulosus A. C. Sanders, Mark Elvin 2002-6-25 25278 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR172294  Juncus rugulosus Anuja Parikh, Nathan Gale 2005-7-15 2140 Los Angeles Santa Clara River Valley, Newhall Ranch, along of the Santa Clara River, just below Del Valle and the mouth of Chiquito Canyon, study area 13 274 Comment
  RSA695429  Juncus textilis A. C. Sanders, Mark A. Elvin, Julie Vanderwier, M. S. Enright 2002-6-26 25301 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, S of Santa Clara River, above river gate into ranch. 305 Comment
  UCR125901  Juncus textilis A. C. Sanders, Mark Elvin, Julie M. Vanderwier, M. S. Enright 2002-6-26 25301 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south of Santa Clara River, above river gate into ranch 305 Comment
  IRVC28564  Juncus torreyi A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27135 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  IRVC29012  Juncus torreyi A. C. Sanders, Mark Elvin 2002-6-25 25288 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  RSA700318  Juncus torreyi A. C. Sanders, Mark A. Elvin 2002-6-25 25288 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 274 Comment
  SEINET3881466  Juncus torreyi A. C. Sanders, Mark A. Elvin 2002-6-25 25288 Los Angeles Ne end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. (Val Verde 7.5' Q.).; 0 274 Comment
  UCR125147  Juncus torreyi A. C. Sanders, Mark Elvin 2002-6-25 25288 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR126354  Juncus torreyi A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27135 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR125971  Juncus xiphioides A. C. Sanders, Mark Elvin 2002-6-19 25174 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR126616  Juncus xiphioides A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27136 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR128005  Juncus xiphioides Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2997 Los Angeles Santa Clarita Valley, S side of the Santa Clara River, c. 200 m upstream from the mouth of Potrero Creek 274 Comment
  UCR125161  Juniperus californica A. C. Sanders, Mark Elvin 2002-6-18 25125 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  IRVC28385  Keckiella cordifolia Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2750 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  UCR127865  Keckiella cordifolia Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2750 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  IRVC26303  Koeleria macrantha Mark A. Elvin, Cathleen Weigand 2003-5-21 2873 Ventura central part of Salt Canyon watershed, Newhall Ranch Santa Susana Mountains 518 Comment
  UCR126519  Koeleria macrantha Anuja Parikh, Nathan Gale 2003-5-13 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek 457 Comment
  UCR128273  Koeleria macrantha Mark A. Elvin, Cathleen Weigand 2003-5-21 2873 Ventura Western Transverse Range; Santa Susana Mountains, central part of Salt Canyon watershed, Newhall Ranch 518 Comment
  UCR163180  Lactuca serriola Anuja Parikh, Nathan Gale 2004-6-21 2053 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 29), near mouth of Chiquito Canyon 396 Comment
  IRVC29659  Lagophylla ramosissima Mark A. Elvin 2003-6-12 2946 Los Angeles Newhall Ranch, S of Magic Mountain Amusement Park, W of The Old Road Santa Clarita Valley 366 Comment
  RSA713822  Lagophylla ramosissima Mark Elvin 2003-6-12 2946 Los Angeles Santa Clarita Valley: Newhall Ranch, S of Magic Mountain Amusement Park, W of The Old Road. 366 Comment
  UCR126787  Lagophylla ramosissima Mark A. Elvin 2003-6-12 2946 Los Angeles Santa Clarita Valley, Newhall Ranch, south of Magic Mountain Amusement Park, west of The Old Road 366 Comment
  UCR127376  Lagophylla ramosissima A. C. Sanders, M. S. Enright 2002-8-7 25561 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, low hills in central Potrero Canyon, just SE of main oil facility, south of road and north of powerlines 366 Comment
  IRVC29272  Lagophylla ramosissima subsp. ramosissima Anuja Parikh, Nathan Gale 2003-5-13 s.n. Ventura Newhall Ranch, Salt Creek N side of Santa Susana Mtns. 457 Comment
  UCR128102  Lagophylla ramosissima subsp. ramosissima Anuja Parikh, Nathan Gale 2003-5-13 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek 457 Comment
  UCR162593  Lagophylla ramosissima subsp. ramosissima Anuja Parikh, Nathan Gale 2004-7-8 2080 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 18), south of the river near upper Potrero Canyon 366 Comment
  UCR125481  Lamarckia aurea A. C. Sanders, Mark Elvin 2003-4-14 25953 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  SD186357  Lantana montevidensis A. C. Sanders, Andy Thompson 2003-4-15 26009 Los Angeles NE end of Santa Susan Mtns.: Newhall Ranch, south edge of Magic Mountain theme park. 366 Comment
  UCR126566  Lantana montevidensis A. C. Sanders, Andy Thomson 2003-4-15 26009 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence 396 Comment
  SD186284  Lastarriaea coriacea Andy C. Sanders, Mark Elvin, et al. 2003-4-16 26052 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west end of Magic Mountain Parkway, south of Magic Mtn. theme park 366 Comment
  SD186285  Lastarriaea coriacea Andy C. Sanders, Andy Thompson 2003-4-15 26016 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, ca. 500 ft. south of the Magic Mountain theme park 351 Comment
  CAS-BOT-BC337928  Lasthenia californica A. C. Sanders; Mark Elvin; et al 2003-4-14 25952 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  CAS-BOT-BC338122  Lasthenia californica Lewis S. Rose 1968-4-5 68020 Los Angeles Newhall Ranch 365 Comment
  HSC5152  Lasthenia californica L. S. Rose 1968-4-5 68020 Los Angeles Newhall Ranch 366 Comment
  RSA709532  Lasthenia californica A. C. Sanders, Mark Elvin 2003-4-14 25952 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  SEINET7096641  Lasthenia californica A. G. Vestal 1955-4-28 s.n. San Bernardino Pico Canyon south and west of Route 99. NAD27, 34.3806? deg. , -118.6021? deg. (converted to WGS84) UTM Zone 11, 352703mE, 3805326mN. Comment
  UCR172462  Lasthenia coronaria Anuja Parikh, Nathan Gale 2005-4-13 2103 Los Angeles NE end of Santa Susana Mtns., Long Canyon, Newhall Ranch, Study Area 31 335 Comment
  IRVC26175  Lasthenia glabrata subsp. coulteri Mark A. Elvin, Cathleen Weigand 2003-4-7 2435 Los Angeles Newhall Ranch, junction of Hasley Canyon and Castaic Creek Castaic Valley 335 Comment
  UCR127057  Lasthenia glabrata subsp. coulteri Mark A. Elvin, Cathleen Weigand 2003-4-7 2435 Los Angeles Castaic Valley, Newhall Ranch, junction of Hasley Canyon and Castaic Creek 335 Comment
  JEPS59910  Lasthenia gracilis Lewis S. Rose 1968-4-5 68020 Los Angeles Newhall Ranch 365 Comment
  RSA714795  Lasthenia gracilis A. C. Sanders, Mark Elvin 2003-4-14 25952 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  SBBG120141  Lasthenia gracilis A. C. Sanders, M. Elvin 2003-4-14 25952 Los Angeles hills immediately SW of Magic Mtn, just across dirt service rd, S of Santa Clara River, Newhall Ranch 351 Comment
  SBBG32271  Lasthenia gracilis L. S. Rose 1968-4-5 68020 Los Angeles Newhall Ranch 365 Comment
  SJSU7537  Lasthenia gracilis L. S. Rose 1968-4-5 68020 Los Angeles Newhall Ranch 365 Comment
  UCR125484  Lasthenia gracilis A. C. Sanders, Mark Elvin 2003-4-14 25952 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR139266  Lasthenia gracilis A. C. Sanders, M. Elvin, et al 2003-4-16 26058 B Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  UCR272867  Lasthenia gracilis L. S. Rose 1968-4-5 68020 Los Angeles Western Transverse Range, Newhall Ranch 366 Comment
  IRVC29286  Layia platyglossa Anuja Parikh, Nathan Gale 2003-5-26 s.n. Los Angeles Newhall Ranch, Salt Creek, lower end of east fork in survey area 79 N side of Santa Susana Mtns. 305 Comment
  UCR128133  Layia platyglossa Anuja Parikh, Nathan Gale 2003-5-26 s.n. Los Angeles N side of Santa Susana Mtns., Newhall Ranch, Salt Creek, lower end of east fork in survey area 79 427 Comment
  UCR169503  Lemna A. C. Sanders, Mark Elvin 2002-6-19 25166 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR127387  Lemna valdiviana A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25528 Los Angeles Santa Clara River Valley, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR126560  Lepidium draba A. C. Sanders, Andy Thomson 2003-4-15 26019 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park 316 Comment
  UCR129413  Lepidium latifolium A. C. Sanders, Mark Elvin 2002-6-20 25249 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  IRVC26467  Lepidium virginicum A. C. Sanders, Mark Elvin, et al. 2003-3-5 25708 Los Angeles Newhall Ranch, "Grapevine Mesa" ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon NE end of Santa Susana Mtns. 335 Comment
  RSA732533  Lepidium virginicum var. pubescens A. C. Sanders, M. Elvin, Cathleen Weigand, M. S. Enright, M. Balk, N. Gale, A. Parikh 2003-3-5 25708 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Grapevine Mesa ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon. 335 Comment
  UCR125436  Lepidium virginicum var. pubescens A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25708 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  HSC79920  Lepidospartum squamatum James Henrickson 1972-11-2 8095 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 and Hasley Canyon Rd. 366 Comment
  IRVC26949  Lepidospartum squamatum A. C. Sanders, Mark Elvin 2003-8-7 27175 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  IRVC28751  Lepidospartum squamatum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25533 Los Angeles Newhall Ranch, "Long Canyon," north of Potrero Canyon NE end of Santa Susana Mtns. 366 Comment
  RSA716811  Lepidospartum squamatum A. C. Sanders, Mark Elvin 2003-8-7 27175 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur. 267 Comment
  SD186093  Lepidospartum squamatum A. C. Sanders, Mark Elvin 2003-8-7 27175 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur. Comment
  UCR125921  Lepidospartum squamatum A. C. Sanders, Mark Elvin 2002-6-19 25194 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  UCR126625  Lepidospartum squamatum A. C. Sanders, Mark Elvin 2003-8-7 27175 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR127395  Lepidospartum squamatum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25533 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, "Long Canyon,' north of Potrero Canyon 366 Comment
  UCR162581  Lepidospartum squamatum Anuja Parikh, Nathan Gale 2004-7-9 2083 Los Angeles NE end of Santa Susana Mtns, Newhall Ranch (study area 19), south of the river between Potrero and Salt Creek Canyons 427 Comment
  IRVC28765  Leptochloa uninervia A. C. Sanders, Mark Elvin 2002-8-7 25555 Los Angeles north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur Santa Clara River Valley 274 Comment
  UCR127393  Leptochloa uninervia A. C. Sanders, Mark Elvin 2002-8-7 25555 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  UCR129509  Leptochloa uninervia A. C. Sanders, Mark Elvin 2002-6-20 25229 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  IRVC28384  Leptodactylon californicum Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2751 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  RSA763981  Leptodactylon californicum Justin M. Wood, James R. Shevock, E. Laeger 2010-2-2 1412 Ventura Newhall Ranch, Canyon just west of Salt Canyon. 457 Comment
  UCR125915  Leptodactylon californicum A. C. Sanders, Mark Elvin 2002-6-19 25199 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  UCR127867  Leptodactylon californicum Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2751 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR224083  Leptodactylon californicum Justin M. Wood, J. R. Shevock, Eve Laeger 2010-2-2 1412 Ventura Santa Susana Mountains, Newhall Ranch, canyon just west of Salt Canyon 466 Comment
  SBBG122093  Leptosiphon liniflorus A. Parikh, N. Gale 2000-5-24 1734 Los Angeles 2 km W of jct of Interstate 5 and Valencia Blvd, 1.5 km S of Six Flags Magic Mtn, N side of Santa Susana Mtns 390 Comment
  SD234292  Leptosyne bigelovii A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25711 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Grapevine Mesa ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon. 334 Comment
  UCR127370  Lessingia filaginifolia A. C. Sanders, M. S. Enright 2002-8-7 25562 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, low hills in central Potrero Canyon, just SE of main oil facility, south of road and north of powerlines 366 Comment
  IRVC28594  Lessingia glandulifera A. C. Sanders, Mark Elvin 2002-6-19 25192 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  IRVC28662  Lessingia glandulifera A. C. Sanders 2003-8-4 27105 Los Angeles Newhall Ranch, canyon in low hills north of Potrero Canyon NE end of Santa Susana Mtns. 305 Comment
  SEINET1869733  Lessingia glandulifera A. C. Sanders 2003-1 27105 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, canyon inlow hills north of Potrero Canyon 305 Comment
  SBBG63087  Lessingia glandulifera var. glandulifera R. Hoffmann 1927-8-30 Los Angeles 2 mi W of Castaic Comment
  UCR125933  Lessingia glandulifera var. glandulifera A. C. Sanders, Mark Elvin 2002-6-19 25192 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  UCR126336  Lessingia glandulifera var. glandulifera A. C. Sanders 2003-8-4 27105 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon in low hills north of Potrero Canyon 305 Comment
  CDA5381  Ligustrum lucidum A. C. Sanders, Mark A. Elvin 2002-8-26 25585 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed; Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near Airport Mesa . Comment
  UCR126692  Ligustrum lucidum A. C. Sanders, Andy Thomson 2003-4-15 26011 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence 396 Comment
  UCR126843  Ligustrum lucidum A. C. Sanders, Mark A. Elvin 2002-8-26 25585 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa 305 Comment
  UCR126736  Linanthus androsaceus A. C. Sanders, Andy Thomson 2003-4-15 25996 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  CAS-BOT-BC226745  Linanthus californicus Roxana S. Ferris 1941-3-9 10322 Los Angeles Pico Canyon, Santa Susana Mountains, about 2 miles west of U. S. Highway #99 Comment
  LA36842  Linanthus californicus Roxana S. Ferris; 1941-3-9 10322 Los Angeles Santa Susana Mountains, Pico Canyon, about 2 mi W of U.S. Highway #99 Comment
  UCR162370  Linanthus liniflorus Anuja Parikh, Nathan Gale 2004-5-13 2005 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch (study area 46), near Magic Mountain Theme Park 396 Comment
  UCR162296  Linaria bipartita Anuja Parikh, Nathan Gale 2004-6-3 2036 Los Angeles Newhall Ranch, along Santa Clara River (SCR sect. 4) between confluence of Castaic Creek and Castaic Junction 305 Comment
  UCR162290  Linum usitatissimum Anuja Parikh, Nathan Gale 2004-6-2 2031 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  IRVC27021  Lithophragma bolanderi Anuja Parikh, Nathan Gale 2003-5-13 s.n. Ventura Newhall Ranch, Salt Creek N side of Santa Susana Mtns. 457 Comment
  UCR127870  Lithophragma bolanderi Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2736 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR128022  Lithophragma bolanderi Anuja Parikh, Nathan Gale 2003-5-13 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek 457 Comment
  UCR126604  Lobularia maritima A. C. Sanders, Mark Elvin 2003-8-7 27177 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  SBBG71607  Loeflingia squarrosa R. Hoffmann 1929-4-27 Los Angeles Little Martinez Crk, near Castaic Comment
  UCR127650  Loeflingia squarrosa A. C. Sanders, Mark Elvin 2002-6-18 25138 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  UCR125169  Lolium perenne A. C. Sanders, Mark Elvin 2002-6-25 25280 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  SD212455  Lomatium caruifolium Anuja Parikh, Nathan Gale 2003-5-14 Ventura North side of Santa Susana Mountins; Newhall Ranch, Salt Creek. 456 Comment
  UCR169666  Lomatium caruifolium Anuja Parikh, Nathan Gale 2003-5-14 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek 457 Comment
  UCR172461  Lonicera interrupta Anuja Parikh, Nathan Gale 2005-6-2 2113 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, SW of Magic Mountain, study area 46 366 Comment
  UCR125897  Lotus A. C. Sanders, Mark Elvin, et al 2002-6-26 25298 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River about 0.25 mile downstream from large natural spring at north foot of 'Airport Mesa' and c. 0.75 mile above Castaic Creek confluence, c. 1 mi. SW of Castaic Junction 305 Comment
  RSA695428  Lotus corniculatus A. C. Sanders, Mark Elvin 2002-6-25 25281 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 274 Comment
  UCR125168  Lotus corniculatus A. C. Sanders, Mark Elvin 2002-6-25 25281 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR128001  Lotus corniculatus Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2992 Los Angeles Santa Clarita Valley, S side of the Santa Clara River, c. 200 m upstream from the mouth of Potrero Creek 274 Comment
  IRVC27010  Lotus hamatus A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26058 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  RSA714881  Lotus hamatus A. C. Sanders, Mark A. Elvin 2003-4-14 25954 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  UCR125480  Lotus hamatus A. C. Sanders, Mark Elvin 2003-4-14 25954 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR126608  Lotus hamatus A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26058 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  IRVC26329  Lotus humistratus A. C. Sanders, Andy Thompson 2003-4-15 25986 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  IRVC26365  Lotus humistratus A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26056 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  RSA709609  Lotus humistratus A. C. Sanders, A. Thompson 2003-4-15 25986 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  RSA714884  Lotus humistratus A. C. Sanders, Mark A. Elvin 2003-4-14 25960 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  UCR125483  Lotus humistratus A. C. Sanders, Mark Elvin 2003-4-14 25960 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR126562  Lotus humistratus A. C. Sanders, Andy Thomson 2003-4-15 25986 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCR126638  Lotus humistratus A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26056 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  UCR126828  Lotus humistratus A. C. Sanders 2003-6-19 26977 B Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 366 Comment
  IRVC28579  Lotus purshianus A. C. Sanders, Mark Elvin 2002-6-19 25158 Los Angeles Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River NE end of Santa Susana Mtns. 305 Comment
  UCR125967  Lotus purshianus A. C. Sanders, Mark Elvin 2002-6-19 25158 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR127004  Lotus purshianus A. C. Sanders, Kim Marsden 2003-6-20 26992 Los Angeles Western Transverse Range/Santa Clara River Watershed, Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch 305 Comment
  IRVC26331  Lotus salsuginosus A. C. Sanders, Andy Thompson 2003-4-15 25984 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  IRVC28986  Lotus salsuginosus A. C. Sanders 2003-6-19 26977 A Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  JEPS55924  Lotus salsuginosus W. L. Jepson 1920-5-3 8934 Los Angeles above Castaic Creek 975 Comment
  RSA714878  Lotus salsuginosus A. C. Sanders, Mark A. Elvin 2003-4-14 25973 Los Angeles Santa Clara River watershed; Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  UCR125498  Lotus salsuginosus A. C. Sanders, Mark Elvin 2003-4-14 25973 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  UCR126362  Lotus salsuginosus A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27127 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR126571  Lotus salsuginosus A. C. Sanders, Andy Thomson 2003-4-15 25984 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCR126827  Lotus salsuginosus A. C. Sanders 2003-6-19 26977 A Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 366 Comment
  UCR127015  Lotus salsuginosus A. C. Sanders 2003-6-18 26930 Los Angeles Western Transverse Range/Santa Clara River Watershed, near mouth of 'Off-haul Canyon' c. 1 mile west of Mayo Spur between San Martinez Grande Canyon the Ventura Co. line, north of Hwy 126, Newhall Ranch 305 Comment
  UCR127651  Lotus salsuginosus A. C. Sanders, Mark Elvin 2002-6-20 25219 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  IRVC28578  Lotus scoparius A. C. Sanders, Mark Elvin 2002-6-19 25156 Los Angeles Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River NE end of Santa Susana Mtns. 305 Comment
  UCR125486  Lotus scoparius var. scoparius A. C. Sanders, Mark Elvin 2003-4-14 25966 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR125960  Lotus scoparius var. scoparius A. C. Sanders, Mark Elvin 2002-6-19 25156 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  IRVC26322  Lotus strigosus A. C. Sanders, Andy Thompson 2003-4-15 26006 Los Angeles Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence NE end of Santa Susana Mtns. 366 Comment
  IRVC26349  Lotus strigosus A. C. Sanders, Andy Thompson 2003-4-15 26014 Los Angeles Newhall Ranch, disturbed alluvial flat ca. 500 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 351 Comment
  IRVC26368  Lotus strigosus A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26057 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  IRVC26454  Lotus strigosus A. C. Sanders, Mark Elvin, et al. 2003-3-4 25690 Los Angeles Newhall Ranch, along dirt road on eastern slopes below "Grapevine Mesa," 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  IRVC27310  Lotus strigosus A. C. Sanders, Mark Elvin, et al. 2003-4-14 25949 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River NE end of Santa Susana Mtns. 351 Comment
  RSA710273  Lotus strigosus A. C. Sanders, Mark A. Elvin 2003-4-14 25949 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  UCR125412  Lotus strigosus A. C. Sanders, Mark Elvin 2003-3-5 25734 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UCR125423  Lotus strigosus A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25690 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along dirt road on eastern slopes below 'Grapevine Mesa,' 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR126561  Lotus strigosus A. C. Sanders, Andy Thomson 2003-4-15 26018 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, disturbed alluvial flat c. 500 ft. south of Magic Mountain theme park 351 Comment
  UCR126564  Lotus strigosus A. C. Sanders, Andy Thomson 2003-4-15 26014 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, disturbed alluvial flat c. 500 ft. south of Magic Mountain theme park 351 Comment
  UCR126603  Lotus strigosus A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26057 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  UCR126719  Lotus strigosus A. C. Sanders, Mark Elvin 2003-4-14 25949 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR126730  Lotus strigosus A. C. Sanders, Andy Thomson 2003-4-15 26006 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence 396 Comment
  CDA27343  Lotus wrangelianus A. C. Sanders, Mark A. Elvin, et al 2003-4-14 25960 Los Angeles NE end of Santa Susana Mtns.; Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River Comment
  UCR125149  Ludwigia A. C. Sanders, Mark Elvin 2002-6-25 25286 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR237643  Ludwigia peploides Mark A. Elvin 2003-8-14 3008 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at mouth of Chiquito Canyon, south of SR 126 271 Comment
  IRVC26296  Lupinus bicolor Mark A. Elvin, Cathleen Weigand 2003-5-21 2879 Ventura central part of Salt Canyon watershed, Newhall Ranch Santa Susana Mountains 518 Comment
  IRVC26312  Lupinus bicolor A. C. Sanders, Andy Thompson 2003-4-15 26000 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  RSA695430  Lupinus bicolor A. C. Sanders, Mark Elvin, Julie Vanderwier, M. S. Enright 2002-6-26 25303 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, S of Santa Clara River on mesa. 366 Comment
  RSA726190  Lupinus bicolor Mark A. Elvin, Cathleen Weigand 2003-5-21 2879 Ventura Santa Susana Mountains: central part of Salt Canyon watershed, Newhall Ranch 518 Comment
  UCR125386  Lupinus bicolor A. C. Sanders, Mark Elvin 2003-3-5 25729 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UCR125903  Lupinus bicolor A. C. Sanders, Mark Elvin, Julie M. Vanderwier, M. S. Enright 2002-6-26 25303 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south of Santa Clara River on mesa 366 Comment
  UCR126559  Lupinus bicolor A. C. Sanders, Andy Thomson 2003-4-15 26000 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCR126731  Lupinus bicolor A. C. Sanders, Andy Thomson 2003-4-15 26005 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence 396 Comment
  UCR128175  Lupinus bicolor Mark A. Elvin, Cathleen Weigand 2003-5-21 2879 Ventura Western Transverse Range; Santa Susana Mountains, central part of Salt Canyon watershed, Newhall Ranch 518 Comment
  POM187623  Lupinus excubitus var. austromontanus J. Ewan 1930-5-17 5521 Los Angeles North rim of Pico Canyon, near Newhall. 610 Comment
  UCR174488  Lupinus excubitus var. excubitus Anuja Parikh, Nathan Gale 2005-4-23 2107 Los Angeles Western Transverse Range, Newhall Ranch (study area 51), VCC, near Castaic Creek 330 Comment
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Apr 9 2009
  SD212611  Lupinus formosus var. formosus Anuja Parikh, Nathan Gale 2004-4-24 2002 Los Angeles Newhall Ranch, study area 64. Comment
  RSA714882  Lupinus microcarpus A. C. Sanders, Mark A. Elvin 2003-4-14 25971 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  SD186211  Lupinus microcarpus A. C. Sanders, Mark Elvin, et al. 2003-4-14 25971 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain. 351 Comment
  SEINET1004368  Lupinus microcarpus A. C. Sanders, Mark Elvin 2003-1 25971 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills immediatelu southwest of Magic Mountains, just across dirt service road, south of Santa Clara River. 351 Comment
  UCD108625  Lupinus microcarpus A. C. Sanders; Mark A. Elvin, et al. 2003-4-14 25971 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  UCR125163  Lupinus microcarpus A. C. Sanders, Mark Elvin 2002-6-18 25127 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR125488  Lupinus microcarpus A. C. Sanders, Mark Elvin 2003-4-14 25971 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  IRVC26358  Lupinus microcarpus var. densiflorus A. C. Sanders, Mark A. Elvin 2003-4-16 26036 Los Angeles Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank Santa Clara River watershed 305 Comment
  IRVC28851  Lupinus microcarpus var. densiflorus Mark A. Elvin, Cathleen Weigand 2003-4-7 2445 Los Angeles Newhall Ranch Commerce Center, S of Castaic Creek, N of SR 126 Santa Clarita Valley 297 Comment
  SBBG69050  Lupinus microcarpus var. densiflorus R. Hoffmann 1930-4-29 Los Angeles ca. 2 mi S of Castaic Comment
  UCR126683  Lupinus microcarpus var. densiflorus A. C. Sanders, Mark A. Elvin 2003-4-16 26036 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 366 Comment
  UCR127069  Lupinus microcarpus var. densiflorus Mark A. Elvin, Cathleen Weigand 2003-4-7 2445 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  IRVC26357  Lupinus microcarpus var. microcarpus A. C. Sanders, Mark A. Elvin 2003-4-16 26037 Los Angeles Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank Santa Clara River watershed 305 Comment
  RSA709601  Lupinus microcarpus var. microcarpus Mark Elvin, Cathleen Weigand 2003-4-8 2455 Los Angeles Santa Clarita Valley: Newhall Ranch, flats S of confluence of Hasley Canyon with Castaic Creek. 297 Comment
  SBBG67043  Lupinus microcarpus var. microcarpus R. Hoffmann 1929-4-27 Los Angeles Little Martinez Crk near Castaic Comment
  SD186210  Lupinus microcarpus var. microcarpus Mark A. Elvin, Cathleen Weigand 2003-4-8 2455 Los Angeles Newhall Ranch, flats south of confluence of Hasley Canyon with Castaic Creek. 296 Comment
  UCR126600  Lupinus microcarpus var. microcarpus A. C. Sanders, Mark A. Elvin 2003-4-16 26037 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 366 Comment
  UCR145961  Lupinus microcarpus var. microcarpus Mark A. Elvin, Cathleen Weigand 2003-4-8 2455 Los Angeles Santa Clarita Valley, Newhall Ranch, flats south of confluence of Hasley Canyon with Castaic Creek 297 Comment
  IRVC26323  Lupinus sparsiflorus A. C. Sanders, Andy Thompson 2003-4-15 26007 Los Angeles Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence NE end of Santa Susana Mtns. 366 Comment
  IRVC26452  Lupinus sparsiflorus A. C. Sanders, Mark Elvin, et al. 2003-3-5 25707 Los Angeles Newhall Ranch, "Grapevine Mesa" ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon NE end of Santa Susana Mtns. 335 Comment
  SD186212  Lupinus sparsiflorus A. C. Sanders, Andy Thompson 2003-4-15 26007 Los Angeles Newhall Ranch, south edge of Magic Mountain theme park. 366 Comment
  UCR125421  Lupinus sparsiflorus A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25707 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  UCR126755  Lupinus sparsiflorus A. C. Sanders, Andy Thomson 2003-4-15 26007 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence 396 Comment
  UCR127067  Lupinus sparsiflorus Mark A. Elvin, Cathleen Weigand 2003-4-7 2446 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  IRVC28376  Lupinus truncatus Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2745 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  UCR126612  Lupinus truncatus A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26049 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  UCR127878  Lupinus truncatus Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2745 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR125183  Lythrum californicum A. C. Sanders, Mark Elvin 2002-6-25 25262 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  IRVC26304  Madia gracilis Mark A. Elvin, Cathleen Weigand 2003-5-21 2872 Ventura central part of Salt Canyon watershed, Newhall Ranch Santa Susana Mountains 518 Comment
  IRVC29278  Madia gracilis Anuja Parikh, Nathan Gale 2003-5-15 s.n. Ventura Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 N side of Santa Susana Mtns. 457 Comment
  UCR126525  Madia gracilis Anuja Parikh, Nathan Gale 2003-5-14 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek, crest of range 762 Comment
  UCR128122  Madia gracilis Anuja Parikh, Nathan Gale 2003-5-15 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 518 Comment
  UCR128188  Madia gracilis Mark A. Elvin, Cathleen Weigand 2003-5-21 2872 Ventura Western Transverse Range; Santa Susana Mountains, central part of Salt Canyon watershed, Newhall Ranch 518 Comment
  RSA695431  Malacothamnus A. C. Sanders, M. S. Enright 2002-8-8 25574 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804. 366 Comment
  IRVC27044  Malacothamnus fasciculatus Mark A. Elvin 2003-8-13 2982 Los Angeles Newhall Ranch, Potrero Canyon S of Potrero Creek NE end of the Santa Susana Mtns. 360 Comment
  RSA695385  Malacothamnus fasciculatus A. C. Sanders, Mark A. Elvin 2002-6-19 25202 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills S of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 282 Comment
  RSA695387  Malacothamnus fasciculatus A. C. Sanders, Mark A. Elvin 2002-6-18 25132 Los Angeles NE end of Santa Susana Mtn.: Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park. 366 Comment
  RSA695388  Malacothamnus fasciculatus A. C. Sanders, Mark A. Elvin 2002-8-1 25542 Los Angeles NE end of Santa Susana Mtns.; Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters. 396 Comment
  SD233879  Malacothamnus fasciculatus A. C. Sanders, M. Elvin, C. Weigand 2002-8-1 25542 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters. 395 Comment
  UCR125402  Malacothamnus fasciculatus A. C. Sanders, M. S. Enright 2002-8-8 25574 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 457 Comment
  UCR125770  Malacothamnus fasciculatus A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25542 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters 396 Comment
  UCR125771  Malacothamnus fasciculatus A. C. Sanders, Mark Elvin 2002-6-18 25132 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR125773  Malacothamnus fasciculatus A. C. Sanders, Mark Elvin 2002-6-19 25202 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  UCR128014  Malacothamnus fasciculatus Mark A. Elvin 2003-8-13 2982 Los Angeles NE end of the Santa Susana Mtns., Newhall Ranch, Potrero Canyon south of Potrero Creek 360 Comment
  UCR162652  Malacothamnus fasciculatus Mark A. Elvin 2003-8-14 s.n. Los Angeles Santa Clarita Valley, Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  UCR128097  Malacothamnus fasciculatus var. laxiflorus Mark A. Elvin 2003-6-19 2950 Los Angeles Western Transverse Range, hills west of San Martinez Grande Canyon and north of Calif. Hwy 126, Newhall Ranch 366 Comment
  IRVC26311  Malacothamnus fremontii Mark A. Elvin 2003-8-13 2986 Los Angeles Newhall Ranch, Santa Clara River at the mouth of Long Canyon Santa Clarita Valley 274 Comment
  UCR127636  Malacothamnus fremontii Mark A. Elvin 2003-8-13 2986 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  IRVC26310  Malacothamnus marrubioides Mark A. Elvin 2003-8-13 2988 Los Angeles Newhall Ranch, Santa Clara River at the mouth of Long Canyon Santa Clarita Valley 274 Comment
  UCR127638  Malacothamnus marrubioides Mark A. Elvin 2003-8-13 2988 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  IRVC26944  Malacothrix clevelandii Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2730 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  UCR127882  Malacothrix clevelandii Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2730 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  IRVC28725  Malacothrix saxatilis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25512 Los Angeles Newhall Ranch, central Potrero Canyon, dry side canyon near its mouth on north side of road, oil production area NE end of Santa Susana Mtns. 366 Comment
  UCR125268  Malacothrix saxatilis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25512 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, dry side canyon near its mouth on north side of road, oil production area 366 Comment
  UCR238079  Malosma laurina Mark A. Elvin, Julie M. Vanderwier 2002-7-18 2102 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, ridge west of Potrero Canyon 396 Comment
  RSA692084  Malva parviflora A. C. Sanders, Mark A. Elvin 2002-6-26 25299 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, along Santa Clara River about 0.25 mile downstream from large natural spring at N foot of Airport Mesa and ca. 0.75 mile above Castaic Creek confluence, ca. 1 mi. SW of Castaic Junction. 305 Comment
  UCR125898  Malva parviflora A. C. Sanders, Mark Elvin, et al 2002-6-26 25299 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River about 0.25 mile downstream from large natural spring at north foot of 'Airport Mesa' and c. 0.75 mile above Castaic Creek confluence, c. 1 mi. SW of Castaic Junction 305 Comment
  UCR127389  Malva parviflora A. C. Sanders, Mark Elvin 2002-8-7 25559 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  UCR127644  Malva parviflora A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25510 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, dry side canyon near its mouth on north side of road, oil production area 366 Comment
  UCR127884  Marah fabacea Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2732 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  IRVC26257  Marah macrocarpa Mark A. Elvin 2003-4-9 2470 Los Angeles Newhall Ranch Commerce Center, canyon N of SR 126 from 'Grapevine Mesa' Santa Clarita Valley 335 Comment
  UCR127366  Marah macrocarpa Mark A. Elvin 2003-4-9 2470 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  UCR129507  Marrubium vulgare A. C. Sanders, Mark Elvin 2002-6-20 25234 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCD134595  Matricaria discoidea A. C. Sanders; Mark A. Elvin 2003-5-15 26738 Ventura Santa Susana Mountains; Salt Canyon, near Los Angeles County Line, Newhall Ranch. 335 Comment
  RSA717922  Matricaria matricarioides A. C. Sanders, Mark Elvin 2003-5-15 26738 Ventura Salt Canyon, near Los Angeles Co. line, Newhall Ranch 335 Comment
  UCR127268  Matricaria matricarioides A. C. Sanders, Mark A. Elvin 2003-5-15 26738 Ventura Santa Susana Mtns., Salt Canyon, near Los Angeles Co. line, Newhall Ranch 335 Comment
  IRVC29277  Meconella denticulata Anuja Parikh, Nathan Gale 2003-5-15 s.n. Ventura Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 N side of Santa Susana Mtns. 457 Comment
  SBBG122087  Meconella denticulata A. Parikh, N. Gale 2003-5-15 1745 Ventura Salt Crk drainage, 4 km S of Hwy 126, N side of Santa Susana Mtns 520 Comment
  UCR128021  Meconella denticulata Anuja Parikh, Nathan Gale 2003-5-13 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek 457 Comment
  UCR128271  Meconella denticulata Anuja Parikh, Nathan Gale 2003-5-15 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 518 Comment
  UCR162587  Medicago sativa Anuja Parikh, Nathan Gale 2004-6-22 2070 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  CHSC35496  Melica imperfecta James Henrickson 1979-5-18 18138 Los Angeles Ca 1 mile N of Valencia, E of College of the Canyon between Valencia and McBean Parkway. 426 Comment
  UCR125954  Melilotus albus A. C. Sanders, Mark Elvin 2002-6-19 25146 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR125961  Melilotus indicus A. C. Sanders, Mark Elvin 2002-6-19 25155 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  IRVC26950  Mentzelia laevicaulis A. C. Sanders, Mark Elvin 2003-8-7 27176 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  RSA716810  Mentzelia laevicaulis A. C. Sanders, Mark A. Elvin 2003-8-7 27176 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur. 267 Comment
  UCR126628  Mentzelia laevicaulis A. C. Sanders, Mark Elvin 2003-8-7 27176 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR129412  Mentzelia laevicaulis A. C. Sanders, Mark Elvin 2002-6-20 25251 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR163183  Mentzelia laevicaulis Anuja Parikh, Nathan Gale 2004-6-21 2056 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 29), near mouth of Chiquito Canyon 396 Comment
  IRVC28613  Mentzelia micrantha A. C. Sanders, Mark Elvin 2002-6-20 25238 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  UCR129409  Mentzelia micrantha A. C. Sanders, Mark Elvin 2002-6-20 25238 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  IRVC29269  Micropus californicus Anuja Parikh, Nathan Gale 2003-5-12 s.n. Ventura Newhall Ranch, Salt Creek, survey area 76 N side of Santa Susana Mtns. 457 Comment
  UCR128118  Micropus californicus Anuja Parikh, Nathan Gale 2003-5-12 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek, survey area 76 457 Comment
  UCR125415  Microseris lindleyi A. C. Sanders, Mark Elvin 2003-3-5 25737 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UCR125497  Microseris lindleyi A. C. Sanders, Mark Elvin 2003-4-14 25974 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  UCR126775  Microseris lindleyi Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2762 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR127020  Microseris lindleyi Mark A. Elvin, Cathleen Weigand 2003-4-7 2437 Los Angeles Castaic Valley, Newhall Ranch, junction of Hasley Canyon and Castaic Creek 335 Comment
  UCR127021  Microseris lindleyi Mark A. Elvin, Cathleen Weigand 2003-4-8 2462 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  SBBG122022  Mimetanthe pilosa A. Parikh, N. Gale 2004-6-2 2032 Los Angeles Santa Clara River in vicinity of confluence with Castaic Crk, Newhall Ranch 290 Comment
  UCR125923  Mimulus aurantiacus A. C. Sanders, Mark Elvin 2002-6-19 25177 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  IRVC28660  Mimulus aurantiacus var. pubescens A. C. Sanders, Mark A. Elvin 2003-5-15 26734 Ventura canyon below old ranch site in upper south fork of Salt Canyon along dirt road to the crest of the range, Newhall Ranch Santa Susana Mtns. 457 Comment
  IRVC29102  Mimulus aurantiacus var. pubescens A. C. Sanders 2003-6-20 26998 Los Angeles "Off-haul Canyon" between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  RSA717918  Mimulus aurantiacus var. pubescens A. C. Sanders, Mark A. Elvin 2003-5-15 26734 Ventura Canyon below old ranch site in upper south fork of Salt Canyon along dirt road to the crest of the range, Newhall Ranch 457 Comment
  RSA733361  Mimulus aurantiacus var. pubescens A. C. Sanders 2003-6-20 26998 Los Angeles Western Transverse Range/Santa Clara River Watershed: 'Off-haul Canyon' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy. 126 and ca. 1km NNW of Mayo Spur. 305 Comment
  UCR127181  Mimulus aurantiacus var. pubescens A. C. Sanders 2003-6-20 26998 Los Angeles Western Transverse Range/Santa Clara River Watershed, 'Off-haul Canyon' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and c. 1 km NNW of Mayo Spur, Newhall Ranch 366 Comment
  UCR127448  Mimulus aurantiacus var. pubescens A. C. Sanders, Mark A. Elvin 2003-5-15 26734 Ventura Santa Susana Mtns., canyon below old ranch site in upper south fork of Salt Canyon along dirt road to the crest of the range, Newhall Ranch 518 Comment
  SEINET7096639  Mimulus breviflorus A. G. Vestal 1955-6-9 s.n. Los Angeles Pico Canyon south and west of Route 99. NAD27, 34.3806? deg. , -118.6021? deg. (converted to WGS84) UTM Zone 11, 352703mE, 3805326mN. Comment
  UCR128124  Mimulus brevipes Anuja Parikh, Nathan Gale 2003-6-5 s.n. Los Angeles N side of Santa Susana Mtns., Newhall Ranch, western face of the ridge between Potrero and Salt Canyons, just south of the Santa Clara River, survey area 78 427 Comment
  UCR162513  Mimulus cardinalis Anuja Parikh, Nathan Gale 2004-9-9 2093 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 2) in vicinity of confluence of Chiquito Canyon 274 Comment
  UCR163103  Mimulus floribundus Anuja Parikh, Nathan Gale 2004-6-3 2038 Los Angeles Newhall Ranch, along Santa Clara River (SCR sect. 4) between confluence of Castaic Creek and Castaic Junction 305 Comment
  IRVC29016  Mimulus guttatus A. C. Sanders, Mark Elvin 2002-6-25 25293 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  UCR125142  Mimulus guttatus A. C. Sanders, Mark Elvin 2002-6-25 25293 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR162375  Mimulus parishii Anuja Parikh, Nathan Gale 2004-6-3 2037 Los Angeles Newhall Ranch, along Santa Clara River (SCR sect. 4) between confluence of Castaic Creek and Castaic Junction 305 Comment
  UCR172449  Mimulus parishii Anuja Parikh, Nathan Gale 2005-7-7 2126 Los Angeles Santa Clara River Valley, near confluence of Castaic Creek and the river, Newhall Ranch, study area 44 290 Comment
  UCR126623  Mimulus pilosus A. C. Sanders, Mark Elvin 2003-8-7 27169 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR127886  Mimulus pilosus Mark A. Elvin, Kim Marsden 2003-8-8 2974 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River, c. 100 m east of the Ventura Co. line 290 Comment
  UCR162289  Mimulus pilosus Anuja Parikh, Nathan Gale 2004-6-2 2032 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  IRVC28567  Mirabilis laevis A. C. Sanders, Mark Elvin, et al. 2003-4-14 25956 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River NE end of Santa Susana Mtns. 351 Comment
  IRVC28665  Mirabilis laevis A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25103 Los Angeles Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 335 Comment
  RSA730754  Mirabilis laevis A. C. Sanders, Mark A. Elvin, Julie Vanderwier, Kim Marsden 2002-6-18 25103 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills 1 mi. SSW of Castaic Junction, west of Magic Mountain amusement park. 335 Comment
  UCR125129  Mirabilis laevis A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25103 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 366 Comment
  UCR125247  Mirabilis laevis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25519 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  UCR126737  Mirabilis laevis A. C. Sanders, Mark Elvin 2003-4-14 25956 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR127034  Mirabilis laevis Mark A. Elvin 2003-4-9 2469 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  UCR162578  Muhlenbergia asperifolia Anuja Parikh, Nathan Gale 2004-7-3 2079 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 16), south of the river near Potrero Canyon 366 Comment
  IRVC27855  Muhlenbergia microsperma Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2755 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  IRVC29289  Muhlenbergia microsperma Anuja Parikh, Nathan Gale 2003-6-5 s.n. Los Angeles Newhall Ranch, western face of the ridge between Potrero and Salt Canyons, just south of the Santa Clara River, survey area 78 N side of Santa Susana Mtns. 305 Comment
  UCR126773  Muhlenbergia microsperma Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2755 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR128125  Muhlenbergia microsperma Anuja Parikh, Nathan Gale 2003-6-5 s.n. Los Angeles N side of Santa Susana Mtns., Newhall Ranch, western face of the ridge between Potrero and Salt Canyons, just south of the Santa Clara River, survey area 78 427 Comment
  UCR163178  Najas guadalupensis Anuja Parikh, Nathan Gale 2004-9-10 2097 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  RSA695391  Nassella cernua A. C. Sanders, Mark A. Elvin 2002-6-19 25181 Los Angeles NE end of Santa Susana Mtn.; Newhall Ranch, head of Adobe Cyn. and pass into Long Cyn. 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 335 Comment
  RSA713829  Nassella cernua A. C. Sanders 2003-7-15 27100 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, Magic Mountain area, 0.9 mi. south of Castaic Junction, west of 'water tanks'. 335 Comment
  SEINET251649  Nassella cernua A. C. Sanders 2003-6-19 26967 Los Angeles Western Transverse Range/Santa Clara River Watershed: hills west of San Martinez Graqnde Canyon, north of Hwy 126,Newhall Ranch (Val Verde 7.5' Q.) 366 Comment
  RSA703840  Nasturtium officinale A. C. Sanders, Mark Elvin 2002-6-20 25225 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  SD241134  Navarretia atractyloides Mark A. Elvin 2003-1-30 2960 Los Angeles Western Transverse Range; Santa Clarita Valley Area: Newall Ranch, west side of Grapevine Mesa, 4 km SW (216a^z) of intersection of I-5 Fwy and Hwy 126 (Val Verde 7.5'Q) 366 Comment
  UCR129431  Navarretia atractyloides A. C. Sanders, Mark Elvin 2002-6-18 25135 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  UCR238102  Navarretia atractyloides Mark A. Elvin 2003-6-30 2960 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, west side of Grapevine Mesa, 4 km SW (216 deg. ) of intersection of I-5 Fwy and Hwy 126 366 Comment
  SBBG121990  Nemacladus ramosissimus A. Parikh, N. Gale 2008-4-12 2150 Los Angeles Long Cyn, 0.75 km N of Potrero Cyn, 3 km SE of Del Valle; Santa Susana Mtns 350 Comment
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Jul 9 2012
  UCR128023  Nemophila menziesii var. integrifolia Anuja Parikh, Nathan Gale 2003-5-13 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek 457 Comment
  UCR125380  Nemophila parviflora A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25723 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon NE of 'Grapevine Mesa,' SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, west of 'oil tanks' near BM 1073 Comment
  UCR172464  Nemophila parviflora var. quercifolia Anuja Parikh, Nathan Gale 2005-4-13 2101 Los Angeles NE end of Santa Susana Mtns., Long Canyon, Newhall Ranch, Study Area 31 335 Comment
  IRVC26945  Nemophila pedunculata Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2741 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  RSA0043176  Nemophila pedunculata A. C. Sanders, Mark A. Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25723 Los Angeles NE end of Santa Susand Mtns.: Newhall Ranch, canyon NE of Grapevine Mesa, SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, W of oil tanks near BM 1073. Comment
  RSA726188  Nemophila pedunculata Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2741 Ventura NE end of Santa Susana Mtns.: Newhall Ranch, Salt Creek, east of the creek. 366 Comment
  UCR127874  Nemophila pedunculata Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2741 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR127397  Nerium oleander A. C. Sanders, Mark Elvin, , Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25563 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  UCR172454  Nicotiana acuminata var. multiflora Anuja Parikh, Nathan Gale 2005-6-29 2120 Los Angeles Santa Susana Mtns., Newhall Ranch, slopes above Potrero Canyon, south of Santa Clara River c. 1 mi. east of the Ventura Co. line, study area 16 396 Comment
  HSC21274  Nicotiana glauca David Porter 1965-4-24 Los Angeles 5 mi. W of Newhall on Pico Canyon Rd., Newhall 610 Comment
  UCR125242  Nicotiana glauca A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25500 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  UCR125916  Nicotiana glauca A. C. Sanders, Mark Elvin 2002-6-19 25201 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  UCR127060  Nicotiana quadrivalvis Mark A. Elvin, Cathleen Weigand 2003-4-7 2443 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  UCR162639  Nicotiana quadrivalvis Anuja Parikh, Nathan Gale 2004-6-17 2049 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 44) in vicinity of confluence of Castaic Creek and Santa Clara River 290 Comment
  IRVC28853  Oenothera californica Mark A. Elvin, Cathleen Weigand 2003-4-7 2441 Los Angeles Newhall Ranch Commerce Center, S of Castaic Creek, N of SR 126 Santa Clarita Valley 297 Comment
  UCR127028  Oenothera californica Mark A. Elvin, Cathleen Weigand 2003-4-7 2441 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  SD167074  Oenothera californica subsp. californica Anuja Parikh, Nathan Gale 2004-6-22 2063 Los Angeles Northeast end of Santa Susana Mountains/Santa Clara River Valley: Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur. 259 Comment
  UCR162372  Oenothera californica subsp. californica Anuja Parikh, Nathan Gale 2004-6-16 2043 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, Castaic Creek north of Calif. Hwy 126 and SW of Commerce Center Dr. 290 Comment
  UCR163336  Oenothera californica subsp. californica Anuja Parikh, Nathan Gale 2004-6-22 2063 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 13), near the Ventura County line, downstream of Mayo Spur 305 Comment
  IRVC28614  Oenothera elata A. C. Sanders, Mark Elvin 2002-6-20 25239 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  RSA703841  Oenothera elata A. C. Sanders, Mark A. Elvin 2002-6-20 25239 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  UCR129408  Oenothera elata A. C. Sanders, Mark Elvin 2002-6-20 25239 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR162515  Oenothera elata Anuja Parikh, Nathan Gale 2004-6-1 2020 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 2) in vicinity of confluence of Chiquito Canyon 274 Comment
  UCR162517  Oenothera elata subsp. hirsutissima Anuja Parikh, Nathan Gale 2004-6-2 2021 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  UCR126714  Olea europaea A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-7 27155 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon 335 Comment
  UCR125774  Opuntia basilaris A. C. Sanders, Mark Elvin 2002-6-18 25124 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR214604  Opuntia littoralis A. C. Sanders 2003-6-19 26983 Los Angeles Western Transverse Range/Santa Clara River Watershed, near mouth of 'Off-haul Canyon', c. 1 mile west of Mayo Spur between San Martinez Grande Canyon the Ventura Co. line, north of Hwy 126, Newhall Ranch 305 Comment
  UCR174494  Orobanche Anuja Parikh, Nathan Gale 2005-5-27 2112 Los Angeles Western Transverse Range; NE end of Santa Susana Mtns., Newhall Ranch, study area 49, hills just NW of Magic Mountain Theme Park 396 Comment
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May 22 2009
  SBBG129182  Orobanche parishii A. Parikh, N. Gale 2012-5-23 2159 Los Angeles Newhall Ranch, 1.6 km S of the Santa Clara River, 1.9 km W of Interstate 5, N side of Santa Susana Mtns 365 Comment
  UCR126832  Orobanche parishii A. C. Sanders, Mark A. Elvin 2002-8-27 25595 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, Santa Clara River Valley, south of Hwy 126, near mouth on south side of Potrero Canyon 305 Comment
  UCR128015  Orobanche parishii subsp. parishii Mark A. Elvin 2003-8-13 2980 Los Angeles NE end of the Santa Susana Mtns., Newhall Ranch, Potrero Canyon south of Potrero Creek 360 Comment
  UCR172459  Orobanche parishii subsp. parishii Anuja Parikh, Nathan Gale 2005-6-29 2118 Los Angeles Santa Susana Mtns., Newhall Ranch, slopes above Potrero Canyon, south of Santa Clara River c. 1 mi. east of the Ventura Co. line, study area 16 396 Comment
  IRVC29358  Osmorhiza brachypoda Anuja Parikh, Nathan Gale 2003-5-13 s.n. Ventura Newhall Ranch, Salt Creek N side of Santa Susana Mtns. 457 Comment
  UCR128108  Osmorhiza brachypoda Anuja Parikh, Nathan Gale 2003-5-13 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek 457 Comment
  RSA763980  Paeonia californica Justin M. Wood, J. Shevock, E. Laeger 2010-2-2 1413 Ventura Newhall Ranch, Canyon just west of Salt Canyon. 457 Comment
  UCR125406  Paeonia californica A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25698 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR224084  Paeonia californica Justin M. Wood, J. R. Shevock, Eve Laeger 2010-2-2 1413 Ventura Santa Susana Mountains, Newhall Ranch, canyon just west of Salt Canyon 466 Comment
  UCR162504  Panicum capillare Anuja Parikh, Nathan Gale 2004-6-2 2026 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  UCR126360  Panicum miliaceum subsp. miliaceum A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27129 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR127172  Panicum miliaceum subsp. miliaceum A. C. Sanders, Mark A. Elvin 2003-6-20 27003 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  SD167330  Parapholis incurva Anuja Parikh, Nathan Gale 2004-5-29 2012 Los Angeles Santa Clara River Valley: Newhall Ranch, near mouth of Potrero Canyon. 259 Comment
  SEINET3225273 Image available Parapholis incurva Anuja Parikh, Nathan Gale 2004-5-29 2012 Los Angeles Santa Clara River Valley: Newhall Ranch (study area 28), near mouth of Potrero Canyon (Val Verde 7.5' Q.). 259 Comment
  UCR162369  Parapholis incurva Anuja Parikh, Nathan Gale 2004-5-29 2012 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 28), near mouth of Potrero Canyon 351 Comment
  UCR126548  Parietaria hespera var. hespera Anuja Parikh, Nathan Gale 2003-4-30 s.n. Los Angeles Santa Clarita Valley, Castaic Junction, Newhall, SW of the junction of SR 126 and US 5, north of the Santa Clara River 305 Comment
  UCR128127  Parietaria hespera var. hespera Anuja Parikh, Nathan Gale 2003-6-5 s.n. Los Angeles N side of Santa Susana Mtns., Newhall Ranch, western face of the ridge between Potrero and Salt Canyons, just south of the Santa Clara River, survey area 78 427 Comment
  CDA35714  Parthenocissus inserta A. C. Sanders, Mark A. Elvin 2002-8-26 25588 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed; Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near Airport Mesa . Comment
  RSA714589  Parthenocissus vitacea A. C. Sanders, Mark A. Elvin 2002-8-26 25588 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa' 305 Comment
  SBBG119600  Parthenocissus vitacea A. C. Sanders, M. A. Elvin 2002-8-26 25588 Los Angeles Newhall Ranch, small spring at S edge of Santa Clara River Valley,SE of trailer park at Castaic Crk, downstream of large spring near "Airport Mesa" 305 Comment
  SD186361  Parthenocissus vitacea Andy C. Sanders, Andy Thompson 2003-4-15 26020 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park 316 Comment
  UCR126565  Parthenocissus vitacea A. C. Sanders, Andy Thomson 2003-4-15 26020 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park 316 Comment
  UCR126845  Parthenocissus vitacea A. C. Sanders, Mark A. Elvin 2002-8-26 25588 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed, Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa 305 Comment
  UCR129403  Parthenocissus vitacea A. C. Sanders, Mark Elvin 2002-6-20 25245 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR162371  Parthenocissus vitacea Anuja Parikh, Nathan Gale 2004-6-15 2042 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 5) in vicinity of Castaic Junction 305 Comment
  UCR125164  Paspalum distichum A. C. Sanders, Mark Elvin 2002-6-25 25285 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  RSA0025062  Pectocarya anisocarpa A. C. Sanders, Andy Thompson 2003-4-15 26015 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, disturbed alluvial flat, ca. 500 ft. south of Magic Mountain Theme Park. 351 Comment
  SD186142  Pectocarya anisocarpa A. C. Sanders, Andy Thompson 2003-4-15 26015 Los Angeles Newhall Ranch, south of Magic Mountain theme park. 351 Comment
  UCR125410  Pectocarya anisocarpa A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25702 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR125428  Pectocarya anisocarpa A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25713 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  UCR125560  Pectocarya anisocarpa A. C. Sanders, Mark Elvin 2003-4-14 25955 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR127066  Pectocarya anisocarpa Mark A. Elvin, Cathleen Weigand 2003-4-7 2449 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  IRVC26348  Pectocarya penicillata A. C. Sanders, Andy Thompson 2003-4-15 26015 Los Angeles Newhall Ranch, disturbed alluvial flat ca. 500 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 351 Comment
  IRVC26463  Pectocarya penicillata A. C. Sanders, Mark Elvin, et al. 2003-3-4 25701 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  SEINET1004448  Pectocarya penicillata A. C. Sanders, Andy Thompson 2003-1 26015 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, disturbed alluvial flat ca. 500 ft. south of Magic Mountain theme park. 351 Comment
  UCR125409  Pectocarya penicillata A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25701 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR126691  Pectocarya penicillata A. C. Sanders, Andy Thomson 2003-4-15 26015 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, disturbed alluvial flat c. 500 ft. south of Magic Mountain theme park 351 Comment
  UCSC011207  Pectocarya penicillata Adam Searcy 2015-2-10 67 Los Angeles Val Verde Comment
  IRVC27960  Pellaea andromedifolia Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2735 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  RSA725892  Pellaea andromedifolia Mark Elvin, Scott Boczkiewicz 2003-5-14 2735 Ventura NE end of Santa Susana Mtns.: Newhall Ranch, Salt Creek, east of the creek. 366 Comment
  UCR126771  Pellaea andromedifolia Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2735 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  IRVC28592  Penstemon centranthifolius A. C. Sanders, Mark Elvin 2002-6-19 25189 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  UCR125941  Penstemon centranthifolius A. C. Sanders, Mark Elvin 2002-6-19 25189 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  IRVC26941  Pentagramma triangularis subsp. triangularis Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2734 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  UCR127883  Pentagramma triangularis subsp. triangularis Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2734 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  SEINET3924293  Persicaria punctata A. C. Sanders, Mark A. Elvin; Cathleen Weigand 2002-8-1 25526 Los Angeles Santa Clara River Valley: Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction.; 0 305 Comment
  UCR162503  Petalonyx thurberi subsp. thurberi Anuja Parikh, Nathan Gale 2004-9-10 2096 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  UCR237901  Phacelia Mark A. Elvin 2003-4-22 2528 Los Angeles Western Transverse Range, Newhall Ranch, bee site on open former oil well pad just east of Grapevine Mesa, S of Santa Clara River and Hwy 126, c. 4 mi. east of Ventura Co. line 314 Comment
  UCR162292  Phacelia brachyloba Anuja Parikh, Nathan Gale 2004-6-2 2033 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  IRVC27912  Phacelia cicutaria var. hispida Anuja Parikh, Nathan Gale 2003-5-14 s.n. Ventura Newhall Ranch, Salt Creek N side of Santa Susana Mtns. 457 Comment
  IRVC28571  Phacelia cicutaria var. hispida A. C. Sanders, Mark Elvin, et al. 2003-4-14 25964 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River NE end of Santa Susana Mtns. 351 Comment
  RSA725891  Phacelia cicutaria var. hispida Anuja Parikh, Nathan Gale 2003-5-14 s.n. Ventura N side of Santa Susana Mtns.: Newhall Ranch, Salt Creek 457 Comment
  UCR126579  Phacelia cicutaria var. hispida A. C. Sanders 2003-4-17 26067 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  UCR126724  Phacelia cicutaria var. hispida A. C. Sanders, Mark Elvin 2003-4-14 25964 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR126791  Phacelia cicutaria var. hispida Anuja Parikh, Nathan Gale 2003-5-14 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek 457 Comment
  UCR128263  Phacelia cicutaria var. hispida Mark A. Elvin, Cathleen Weigand 2003-5-21 2889 Ventura Western Transverse Range; Santa Susana Mountains, central part of Salt Canyon watershed, Newhall Ranch 518 Comment
  SBBG122694  Phacelia cicutaria var. hubbyi A. Parikh, N. Gale 2009-5-21 2151 Los Angeles N side of Santa Susana Mtns, Newhall Ranch, between Potrero/Pico Cyns, 5.6 km W of Interstate 5, 1.4 km SW of Potrero Cyn 515 Comment
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Oct 9 2012
  UCR215793  Phacelia cicutaria var. hubbyi Anuja Parikh, Nathan Gale 2009-5-21 2151 Los Angeles west side of Santa Susana Mountains, Newhall Ranch, between Potrereo/Pico Canyons, 5.6 km west of Hwy I-5, 1.4 km southwest of Potrero Canyon 515 Comment
  IRVC26444  Phacelia distans A. C. Sanders, Mark Elvin 2003-3-5 25732 Los Angeles Newhall Ranch, "Exon Mesa," due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  UCR125389  Phacelia distans A. C. Sanders, Mark Elvin 2003-3-5 25732 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  IRVC28742  Phacelia imbricata A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25575 Los Angeles Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, N of East Fork Salt Canyon NE end of Santa Susana Mtns. 488 Comment
  UCR127407  Phacelia imbricata A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25575 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, north of East Fork Salt Canyon 549 Comment
  UCR128025  Phacelia imbricata Anuja Parikh, Nathan Gale 2003-5-9 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek 457 Comment
  IRVC29656  Phacelia imbricata subsp. imbricata Mark A. Elvin 2003-6-12 2943 Los Angeles Newhall Ranch, S side of Potrero Canyon, S of Potrero Mesa Santa Clarita Valley 335 Comment
  UCR126947  Phacelia imbricata subsp. imbricata Mark A. Elvin 2003-6-12 2943 Los Angeles Santa Clarita Valley, Newhall Ranch, south side of Potrero Canyon, south of Potrero Mesa 335 Comment
  UCR174487  Phacelia minor Anuja Parikh, Nathan Gale 2005-4-23 2106 Los Angeles Western Transverse Range, Newhall Ranch (study area 51), VCC, near Castaic Creek 330 Comment
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Apr 9 2009
  IRVC27352  Phacelia ramosissima A. C. Sanders, Mark Elvin 2003-8-7 27163 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  IRVC28676  Phacelia ramosissima A. C. Sanders, Mark Elvin 2002-6-18 25116 Los Angeles Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 328 Comment
  RSA709745  Phacelia ramosissima A. C. Sanders, Mark A. Elvin 2003-8-7 27163 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom east of Del Valle. 282 Comment
  UCR125125  Phacelia ramosissima A. C. Sanders, Mark Elvin 2002-6-18 25116 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 328 Comment
  UCR126706  Phacelia ramosissima A. C. Sanders, Mark Elvin 2003-8-7 27163 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom east of Del Valle 282 Comment
  UCR127160  Phacelia ramosissima A. C. Sanders, Mark A. Elvin 2003-6-20 27009 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  IRVC28553  Phacelia viscida A. C. Sanders, Mark A. Elvin 2003-5-15 26742 Los Angeles mouth of Salt Canyon, near gate on road, Newhall Ranch Santa Susana Mtns. 290 Comment
  SD186245  Phacelia viscida A. C. Sanders, Mark A. Elvin 2003-5-15 26742 Los Angeles Mouth of Salt Canyon, near gate on road, Newhall Ranch. 289 Comment
  UCR127033  Phacelia viscida Mark A. Elvin 2003-4-9 2472 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  UCR127182  Phacelia viscida A. C. Sanders 2003-6-20 26997 Los Angeles Western Transverse Range/Santa Clara River Watershed, 'Off-haul Canyon' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and c. 1 km NNW of Mayo Spur, Newhall Ranch 366 Comment
  UCR127369  Phacelia viscida A. C. Sanders, Mark A. Elvin 2003-5-15 26742 Los Angeles Santa Susana Mtns., mouth of Salt Canyon, near gate on road, Newhall Ranch 290 Comment
  UCR125383  Phlox gracilis A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25726 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon NE of 'Grapevine Mesa,' SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, west of 'oil tanks' near BM 1073 Comment
  UCR128135  Phlox gracilis Anuja Parikh, Nathan Gale 2003-5-12 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek, survey area 76 457 Comment
  IRVC28979  Phoradendron macrophyllum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25545 Los Angeles Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters NE end of Santa Susana Mtns. 396 Comment
  IRVC29045  Phoradendron macrophyllum A. C. Sanders, Mark Elvin 2002-6-25 25275 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  RSA706653  Phoradendron macrophyllum A. C. Sanders, Mark A. Elvin 2002-6-25 25275 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 274 Comment
  UCR125171  Phoradendron macrophyllum A. C. Sanders, Mark Elvin 2002-6-25 25275 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR125251  Phoradendron macrophyllum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25545 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters 396 Comment
  RSA716804  Pinus halepensis A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-7 27156 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Potrero canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon. 335 Comment
  UCR126640  Pinus halepensis A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-7 27156 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon 335 Comment
  CHSC98025  Pinus pinea A. C. Sanders; Mark Elvin, Dave Fleitner 2003-8-7 27157 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, Potrero Canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon. Persisting trees in yard of the abandoned ranch house. 335 Comment
  RSA709612  Pinus pinea A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-7 27157 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Potrero canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon. 335 Comment
  UCR126639  Pinus pinea A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-7 27157 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon 335 Comment
  UCR127090  Piptatherum miliaceum Mark A. Elvin, Cathleen Weigand 2003-4-8 2457 Los Angeles Santa Clarita Valley, Newhall Ranch, flats south of confluence of Hasley Canyon with Castaic Creek 297 Comment
  UCR129397  Piptatherum miliaceum A. C. Sanders, Mark Elvin 2002-6-20 25250 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  IRVC26320  Plagiobothrys arizonicus A. C. Sanders, Andy Thompson 2003-4-15 26003 Los Angeles Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence NE end of Santa Susana Mtns. 366 Comment
  IRVC26446  Plagiobothrys arizonicus A. C. Sanders, Mark Elvin, et al. 2003-3-4 25704 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  IRVC28568  Plagiobothrys arizonicus A. C. Sanders, Mark Elvin, et al. 2003-4-14 25957 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River NE end of Santa Susana Mtns. 351 Comment
  UCR125418  Plagiobothrys arizonicus A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25704 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR126729  Plagiobothrys arizonicus A. C. Sanders, Mark Elvin 2003-4-14 25957 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR126733  Plagiobothrys arizonicus A. C. Sanders, Andy Thomson 2003-4-15 26003 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence 396 Comment
  IRVC26427  Plagiobothrys canescens A. C. Sanders, Mark Elvin, et al. 2003-3-4 25703 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  IRVC26458  Plagiobothrys canescens A. C. Sanders, Mark Elvin, et al. 2003-3-4 25693 Los Angeles Newhall Ranch, along dirt road on eastern slopes below "Grapevine Mesa," 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  IRVC27311  Plagiobothrys canescens A. C. Sanders, Mark Elvin, et al. 2003-4-14 25948 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River NE end of Santa Susana Mtns. 351 Comment
  RSA710274  Plagiobothrys canescens A. C. Sanders, Mark Elvin 2003-4-14 25948 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  SBBG33981  Plagiobothrys canescens L. S. Rose 1968-4-5 68021 Los Angeles Newhall Ranch 365 Comment
  UCR125411  Plagiobothrys canescens A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25703 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR125426  Plagiobothrys canescens A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25693 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along dirt road on eastern slopes below 'Grapevine Mesa,' 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR126720  Plagiobothrys canescens A. C. Sanders, Mark Elvin 2003-4-14 25948 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR126558  Plagiobothrys collinus A. C. Sanders, Andy Thomson 2003-4-15 26013 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, disturbed alluvial flat c. 500 ft. south of Magic Mountain theme park 351 Comment
  IRVC26316  Plagiobothrys nothofulvus A. C. Sanders, Andy Thompson 2003-4-15 25983 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  RSA709610  Plagiobothrys nothofulvus A. C. Sanders, A. Thompson 2003-4-15 25983 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  UCR126563  Plagiobothrys nothofulvus A. C. Sanders, Andy Thomson 2003-4-15 25983 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCSC011206  Plantago erecta Adam Searcy 2015-2-10 66 Los Angeles Val Verde Comment
  UCR125900  Plantago indica A. C. Sanders, Mark Elvin, et al 2002-6-26 25300 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River about 0.25 mile downstream from large natural spring at north foot of 'Airport Mesa' and c. 0.75 mile above Castaic Creek confluence, c. 1 mi. SW of Castaic Junction 305 Comment
  UCR129505  Plantago lanceolata A. C. Sanders, Mark Elvin 2002-6-20 25236 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR128006  Plantago major Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2994 Los Angeles Santa Clarita Valley, S side of the Santa Clara River, c. 200 m upstream from the mouth of Potrero Creek 274 Comment
  HSC95402  Platanus racemosa A. C. Sanders, Mark A. Elvin 2002-6-18 25140 Los Angeles Newhall Ranch, 'Sawtooth Ridge' area ca. 1.5 mi. SE of Del Valle, N of Potrero Canyon, vicinity of bench mark 1533 366 Comment
  IRVC28573  Platanus racemosa A. C. Sanders, Mark Elvin 2002-6-18 25140 Los Angeles Newhall Ranch, "Sawtooth Ridge" area ca. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 NE end of Santa Susana Mtns. 366 Comment
  RSA703843  Platanus racemosa A. C. Sanders, Mark A. Elvin 2002-6-18 25140 Los Angeles NE end of Santa Susan Mtns.: Newhall Ranch, 'Sawtooth Ridge' area ca. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533. 366 Comment
  UCR129419  Platanus racemosa A. C. Sanders, Mark Elvin 2002-6-18 25140 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  CAS-BOT-BC91675  Platystemon californicus A. C. Sanders 2003-4-16 26041 Los Angeles Santa Clara River watershed. Newhall Ranch, ca. 0.4 north of Highway 126. 366 Comment
  IRVC26353  Platystemon californicus A. C. Sanders, Mark A. Elvin 2003-4-16 26041 Los Angeles Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank Santa Clara River watershed 305 Comment
  SD186276  Platystemon californicus A. C. Sanders, Mark A. Elvin 2003-4-16 26041 Los Angeles Santa Clara River watershed: Newhall Ranch, ca. 0.4 [miles] north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank. 305 Comment
  UCR126602  Platystemon californicus A. C. Sanders, Mark A. Elvin 2003-4-16 26041 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 366 Comment
  IRVC28711  Pluchea odorata A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25492 Los Angeles Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley NE end of Santa Susana Mtns. 300 Comment
  UCR123269  Pluchea odorata A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25492 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  IRVC28707  Pluchea sericea A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25496 Los Angeles canyon draining into Santa Clara River Valley from the south off "Round Mtn." (peak 1476), north of Potrero Canyon NE end of Santa Susana Mtns. 305 Comment
  IRVC29044  Pluchea sericea A. C. Sanders, Mark Elvin 2002-6-25 25276 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  UC1070069  Pluchea sericea A. D. Gifford 1934-2-20 299 Los Angeles Santa Clara River Santa Susana Quad. 243 Comment
  UCR125172  Pluchea sericea A. C. Sanders, Mark Elvin 2002-6-25 25276 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR125258  Pluchea sericea A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25496 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  UCR126584  Poa secunda A. C. Sanders 2003-4-17 26071 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  SBBG56795  Poa secunda subsp. secunda R. Hoffmann 1929-4-26 Los Angeles 5 mi W of Castaic Comment
  UCR162205  Polycarpon tetraphyllum Anuja Parikh, Nathan Gale 2004-6-16 2044 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, Castaic Creek north of Calif. Hwy 126 and SW of Commerce Center Dr. 290 Comment
  UCR169445  Polygonum A. C. Sanders, Mark A. Elvin, Cathleen Weigand 2002-7-30 25483 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR123628  Polygonum aviculare A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25480 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR162507  Polygonum persicaria Anuja Parikh, Nathan Gale 2004-6-2 2023 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  IRVC28755  Polygonum punctatum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25526 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction Santa Clara River Valley 305 Comment
  RSA706652  Polygonum punctatum A. C. Sanders, Mark A. Elvin, Cathleen Weigand 2002-8-1 25526 Los Angeles Santa Clara River Valley; Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0,75 mi. SW of Castaic Junction. 305 Comment
  UCR127385  Polygonum punctatum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25526 Los Angeles Santa Clara River Valley, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  RSA763982  Polypodium californicum Justin M. Wood, J. Shevock, E. Laeger 2010-2-2 1411 Ventura Newhall Ranch, Canyon just west of Salt Canyon. 457 Comment
  UCR127627  Polypogon interruptus A. C. Sanders, Mark Elvin 2002-6-19 25153 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR123249  Polypogon monspeliensis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25484 B Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR125186  Polypogon monspeliensis A. C. Sanders, Mark Elvin 2002-6-25 25265 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR125966  Polypogon monspeliensis A. C. Sanders, Mark Elvin 2002-6-19 25159 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  SEINET3244163  Polypogon viridis A. C. Sanders, Mark Elvin 2002-1 25224 Riverside NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
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Jul 29 2013
  UCR169084  Polypogon viridis A. C. Sanders, Mark Elvin 2002-6-20 25224 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR125155  Populus fremontii A. C. Sanders, Mark Elvin 2002-6-18 25108 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 328 Comment
  UCR125240  Populus fremontii A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25498 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  UCR162363  Potamogeton foliosus var. foliosus Anuja Parikh, Nathan Gale 2004-9-10 2095 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  UCR162364  Potamogeton pectinatus Anuja Parikh, Nathan Gale 2004-6-15 2040 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 5) in vicinity of Castaic Junction 305 Comment
  IRVC28590  Prunus ilicifolia subsp. ilicifolia A. C. Sanders, Mark Elvin 2002-6-19 25187 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  RSA695390  Prunus ilicifolia subsp. ilicifolia A. C. Sanders, Mark A. Elvin 2002-6-19 25187 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Long Cyn. 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 335 Comment
  UCR125930  Prunus ilicifolia subsp. ilicifolia A. C. Sanders, Mark Elvin 2002-6-19 25187 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  UCR125179  Pseudognaphalium biolettii A. C. Sanders, Mark Elvin 2002-6-25 25273 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  OBI72144  Pseudognaphalium leucocephalum Unknown 2009-5-21 2153 Los Angeles WTR, S of hwy 126 in Castaic Crk, 2.5 km SW of Castaic jctn and .3 km S of Hwy 126 290 Comment
  SBBG122008  Pseudognaphalium leucocephalum A. Parikh, N. Gale 2005-6-29 2119 Los Angeles N of Hwy 126 in Hasley Cyn, 1.5 km W of Castaic Junction and 0.5 km N of Castaic Crk 307 Comment
  SBBG132182  Pseudognaphalium leucocephalum A. Parikh, N. Gale 2014-7-31 2172 Ventura N bank of Santa Clara River/Castaic Crk in Hasley Cyn, 0.7 km NW of Hwy 126, 1.1 km SW of Interstate 5 307 Comment
  CAS-BOT-BC361913  Psilocarphus tenellus Anuja Parikh; Nathan Gale 2003-5-15 s.n. Ventura N side of Santa Susana Mtns.: Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 518 Comment
  RSA726179  Psilocarphus tenellus Anuja Parikh, Nathan Gale 2003-5-15 s.n. Ventura N side of Santa Susana Mtns.: Newhall Ranch, middle portion of the wet fork of Salt Creek, survey area 75 457 Comment
  IRVC29276  Psilocarphus tenellus var. tenellus Anuja Parikh, Nathan Gale 2003-5-15 s.n. Ventura Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 N side of Santa Susana Mtns. 457 Comment
  UCR128269  Psilocarphus tenellus var. tenellus Anuja Parikh, Nathan Gale 2003-5-15 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, middle portion of the west fork of Salt Creek, survey area 75 518 Comment
  UCR125393  Pterostegia drymarioides A. C. Sanders, Mark Elvin 2003-3-5 25742 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UCR125434  Pterostegia drymarioides A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25719 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  UCR125495  Pterostegia drymarioides A. C. Sanders, Mark Elvin 2003-4-14 25976 Los Angeles Santa Clara River watershed, Newhall Ranch, c. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank 305 Comment
  UCR125146  Pulicaria paludosa A. C. Sanders, Mark Elvin 2002-6-25 25289 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR128007  Pulicaria paludosa Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2995 Los Angeles Santa Clarita Valley, S side of the Santa Clara River, c. 200 m upstream from the mouth of Potrero Creek 274 Comment
  UCR162508  Pulicaria paludosa Anuja Parikh, Nathan Gale 2004-9-9 2094 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 2) in vicinity of confluence of Chiquito Canyon 274 Comment
  UCD47724  Quercus X alvordiana A. C. Sanders; Mark Elvin 2002-6-20 25208 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park (Newhall 7.5', Q.:34 deg. 24.5'N, 118 deg. 35'W). Alt: 366-457 m/ 1200-1500 ft. 365 Comment
  UCR125953  Quercus agrifolia A. C. Sanders, Mark Elvin 2002-6-19 25164 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR126577  Quercus berberidifolia A. C. Sanders 2003-4-17 26075 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  IRVC28737  Quercus lobata A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25564 Los Angeles north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur Santa Clara River Valley 274 Comment
  UCR127398  Quercus lobata A. C. Sanders, Mark Elvin, , Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25564 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  IRVC26333  Rafinesquia californica A. C. Sanders, Andy Thompson 2003-4-15 25988 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  IRVC29101  Rafinesquia californica A. C. Sanders 2003-6-20 26996 Los Angeles "Off-haul Canyon" between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  UCR126568  Rafinesquia californica A. C. Sanders, Andy Thomson 2003-4-15 25988 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCR127183  Rafinesquia californica A. C. Sanders 2003-6-20 26996 Los Angeles Western Transverse Range/Santa Clara River Watershed, 'Off-haul Canyon' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and c. 1 km NNW of Mayo Spur, Newhall Ranch 366 Comment
  UCR127866  Rafinesquia californica Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2753 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR172458  Ranunculus cymbalaria var. saximontanus Anuja Parikh, Nathan Gale 2005-7-20 2146 Los Angeles Santa Susanna Mtns., Newhall Ranch, uppermost Potrero Canyon, study area 21 488 Comment
  UCR237896  Raphanus sativus Mark A. Elvin 2003-4-22 2531 Los Angeles Western Transverse Range, Newhall Ranch, bee site on open former oil well pad just east of Grapevine Mesa, S of Santa Clara River and Hwy 126, c. 4 mi. east of Ventura Co. line 314 Comment
  UC1121840  Rhamnus crocea R. St. John 1930-2-17 98 Los Angeles San Francisco Ranch Santa Susana Quad. 365 Comment
  IRVC28582  Rhamnus ilicifolia A. C. Sanders, Mark Elvin 2002-6-19 25165 Los Angeles Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River NE end of Santa Susana Mtns. 305 Comment
  UCR125952  Rhamnus ilicifolia A. C. Sanders, Mark Elvin 2002-6-19 25165 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR125158  Rhus aromatica A. C. Sanders, Mark Elvin 2002-6-18 25121 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR129420  Rhus ovata A. C. Sanders, Mark Elvin 2002-6-18 25141 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  RSA122522  Rhus trilobata var. pilosissima P. L. Johannsen 1934-3-5 312 Los Angeles 1.5 mile NE Castac. 427 Comment
  IRVC28591  Ribes aureum A. C. Sanders, Mark Elvin 2002-6-19 25188 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  UCR125940  Ribes aureum var. gracillimum A. C. Sanders, Mark Elvin 2002-6-19 25188 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  A380373  Ribes malvaceum R. S. Ferris 1941-3-10 10324 Unknown Chaparral ridge west of U.S. Highway #99 near Pico Canyon road, Santa Susana Mountains 472 Comment
  CAS-BOT-BC173429  Ribes malvaceum Roxana S. Ferris 1941-3-10 10324 Los Angeles West of U.S. Highway #99 near Pico Canyon road, Santa Susana Mountains 472 Comment
  RSA27109  Ribes malvaceum Roxana S. Ferris 1941-3-10 10324 Los Angeles Ridge west of US Hwy 99, near Pico Canyon road, Santa Susana Mtns. 473 Comment
  RSA763949  Ribes malvaceum Justin M. Wood, J. Shevock, E. Laeger 2010-2-2 1414 Ventura Newhall Ranch, Canyon just west of Salt Canyon. 457 Comment
  UCR128181  Ribes malvaceum Anuja Parikh, Nathan Gale 2003-5-12 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, Salt Creek, survey area 76 457 Comment
  UCR224086  Ribes malvaceum Justin M. Wood, J. R. Shevock, Eve Laeger 2010-2-2 1414 Ventura Santa Susana Mountains, Newhall Ranch, canyon just west of Salt Canyon 466 Comment
  IRVC28608  Rorippa nasturtium-aquaticum A. C. Sanders, Mark Elvin 2002-6-20 25225 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  UCR129415  Rorippa nasturtium-aquaticum A. C. Sanders, Mark Elvin 2002-6-20 25225 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR126618  Rosa californica A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27139 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  IRVC26294  Rubus ursinus Mark A. Elvin, Cathleen Weigand 2003-5-21 2881 Ventura central part of Salt Canyon watershed, Newhall Ranch Santa Susana Mountains 518 Comment
  IRVC28651  Rubus ursinus A. C. Sanders, Mark Elvin 2002-6-25 25264 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  UCR125185  Rubus ursinus A. C. Sanders, Mark Elvin 2002-6-25 25264 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR125253  Rubus ursinus A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25502 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  UCR128177  Rubus ursinus Mark A. Elvin, Cathleen Weigand 2003-5-21 2881 Ventura Western Transverse Range; Santa Susana Mountains, central part of Salt Canyon watershed, Newhall Ranch 518 Comment
  RSA714607  Rumex A. C. Sanders, Mark A. Elvin 2002-6-20 25240 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  UCR128267  Rumex Mark A. Elvin, Cathleen Weigand 2003-5-21 2884 Ventura Western Transverse Range; Santa Susana Mountains, central part of Salt Canyon watershed, Newhall Ranch 518 Comment
  UCR169504  Rumex A. C. Sanders, Mark Elvin 2002-6-20 25240 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  RSA700317  Rumex conglomeratus A. C. Sanders, Mark A. Elvin 2002-6-25 25266 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction. 305 Comment
  UCR125138  Rumex conglomeratus A. C. Sanders, Mark Elvin 2002-6-25 25266 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  RSA706650  Rumex crispus A. C. Sanders, Mark A. Elvin, Cathleen Weigand 2002-7-31 25514 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters 313 Comment
  UCR125243  Rumex crispus A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25514 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  IRVC26350  Rumex hymenosepalus A. C. Sanders, Andy Thompson 2003-4-15 26012 Los Angeles Newhall Ranch, disturbed alluvial flat ca. 500 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 351 Comment
  UCR126557  Rumex hymenosepalus A. C. Sanders, Andy Thomson 2003-4-15 26012 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, disturbed alluvial flat c. 500 ft. south of Magic Mountain theme park 351 Comment
  UCR127068  Rumex hymenosepalus Mark A. Elvin, Cathleen Weigand 2003-4-7 2448 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  UCR162518  Rumex maritimus Anuja Parikh, Nathan Gale 2004-6-2 2022 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  UCR162506  Rumex pulcher Anuja Parikh, Nathan Gale 2004-6-2 2024 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  IRVC28606  Rumex salicifolius A. C. Sanders, Mark Elvin 2002-6-20 25221 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  RSA703836  Rumex salicifolius A. C. Sanders, Mark A. Elvin 2002-6-20 25221 Los Angeles NE end of Santa Susana Mtns.: Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  UCR129500  Rumex salicifolius A. C. Sanders, Mark Elvin 2002-6-20 25221 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  IRVC27333  Salix exigua A. C. Sanders, Mark Elvin 2003-8-7 27164 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  IRVC28708  Salix exigua A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25495 Los Angeles canyon draining into Santa Clara River Valley from the south off "Round Mtn." (peak 1476), north of Potrero Canyon NE end of Santa Susana Mtns. 305 Comment
  POM182048  Salix exigua F. R. Fosberg 1932-3-3 7411 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts. 300 Comment
  POM361056  Salix exigua F. R. Fosberg 1932-3-3 7413 Los Angeles Castaic Creek, below Castaic, San Gabriel Mountains 300 Comment
  RSA6441  Salix exigua F. R. Fosberg 1932-3-3 7413 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts. 300 Comment
  RSA6442  Salix exigua F. R. Fosberg 1932-3-3 7411 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts. 300 Comment
  UCD110923  Salix exigua F. R. Fosberg 1932-3-3 7411 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts. 300 Comment
  UCD110924  Salix exigua F. R. Fosberg 1932-3-3 7413 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts. 300 Comment
  UCR125257  Salix exigua A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25495 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  UCR126707  Salix exigua A. C. Sanders, Mark Elvin 2003-8-7 27164 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom east of Del Valle 282 Comment
  UCR129405  Salix exigua A. C. Sanders, Mark Elvin 2002-6-20 25247 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR143063  Salix exigua F. R. Fosberg 1932-3-3 7411 Los Angeles San Gabriel Mtns., Castaic Creek, below Castaic 300 Comment
  LA208630  Salix exigua var. hindsiana F. R. Fosberg; 1932-3-3 7413 Los Angeles San Gabriel Mountains, Castaic Creek, below Castaic 300.0 Comment
  LA208638  Salix exigua var. hindsiana F. R. Fosberg; 1932-3-3 7411 Los Angeles San Gabriel Mountains, Castaic Creek, below Castaic 300.0 Comment
  SBBG58922  Salix exigua var. hindsiana F. R. Fosberg 1932-3-3 7411 Los Angeles Castaic Crk, below Castaic 300 Comment
  SBBG58923  Salix exigua var. hindsiana F. R. Fosberg 1932-3-3 7413 Los Angeles Castaic Crk, below Castaic 300 Comment
  SD1024  Salix exigua var. hindsiana F. R. Fosberg 1932-3-3 7413 Los Angeles Castaic Creek, below Castaic, San Garbiel Mts., sandy streambed 299 Comment
  SD1025  Salix exigua var. hindsiana F. R. Fosberg 1932-3-3 7411 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts., sandy streambed 299 Comment
  UC492447  Salix exigua var. hindsiana F. R. Fosberg 1932-3-3 7411 Los Angeles Castaic Creek below Castaic; San Gabriel Mts. 300 Comment
  UC492451  Salix exigua var. hindsiana F. R. Fosberg 1932-3-3 7413 Los Angeles Castaic Creek below Castaic; San Gabriel Mts. 300 Comment
  A382921  Salix hindsiana F. R. Fosberg 1932-3-3 7411 Unknown Castaic Creek, below Castaic, San Gabriel Mts. Comment
  A382922  Salix hindsiana F. R. Fosberg 1932-3-3 7413 Unknown Castaic Creek, below Castaic, San Gabriel Mts. Comment
  CAS-BOT-BC104143  Salix hindsiana F. R. Fosberg 1932-3-3 7411 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts. 300 Comment
  CAS-BOT-BC104145  Salix hindsiana F. R. Fosberg 1932-3-3 7413 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts. 300 Comment
  GH382959  Salix hindsiana F. R. Fosberg 1932-3-3 7411 Unknown Castaic Creek, below Castaic, San Gabriel Mts. Comment
  GH382960  Salix hindsiana F. R. Fosberg 1932-3-3 7413 Unknown Castaic Creek, below Castaic, San Gabriel Mts. Comment
  IRVC27299  Salix laevigata A. C. Sanders, Mark Elvin 2003-8-7 27159 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  UCD111139  Salix laevigata Carl W. Sharsmith 1931-10-26 2 Los Angeles Santa Clara River Valley, 1.5 km north of Castale. 315 Comment
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Nov 12 2014
  UCR125241  Salix laevigata A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25499 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  UCR125957  Salix laevigata A. C. Sanders, Mark Elvin 2002-6-19 25150 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR126598  Salix laevigata A. C. Sanders, Mark Elvin 2003-8-7 27159 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom east of Del Valle 282 Comment
  IRVC28581  Salix lasiolepis A. C. Sanders, Mark Elvin 2002-6-19 25160 Los Angeles Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River NE end of Santa Susana Mtns. 305 Comment
  UCR125252  Salix lasiolepis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25501 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  UCR125943  Salix lasiolepis A. C. Sanders, Mark Elvin 2002-6-19 25160 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  RSA695432  Salix lucida subsp. lasiandra A. C. Sanders, Mark A. Elvin 2002-6-26 25297 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, along Santa Clara River about 0.25 mile downstream from large natural spring at N foot of Airport Mesa and ca. 0.75 mile above Castaic Creek confluence, ca. 1 mi. SW of Castaic Junction. 305 Comment
  UCR125899  Salix lucida subsp. lasiandra A. C. Sanders, Mark Elvin, et al 2002-6-26 25297 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River about 0.25 mile downstream from large natural spring at north foot of 'Airport Mesa' and c. 0.75 mile above Castaic Creek confluence, c. 1 mi. SW of Castaic Junction 305 Comment
  CAS-BOT-BC126299  Salix sessilifolia F. R. Fosberg 1932-3-3 7413 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts. 300 Comment
  CAS-BOT-BC126300  Salix sessilifolia F. R. Fosberg 1932-3-3 7411 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts. 300 Comment
  CDA23588  Salsola tragus M. I. Wibawa, L. Smith 2008-10-28 A- 0255 Los Angeles Santa Clarita, on corner of Route 126 and Wolcott Way. 34.425730 N, 118.636360 W Comment
  CHSC106738  Salsola tragus R. E. Riefner Jr. 2007-5-12 07 -199 Los Angeles City of Santa Clarita/Newhall area, near I-5 Freeway at SR-126. UTM: (NAD 83) 11S 0352824E 3812534N. 331 Comment
  LA211556  Salsola tragus Mark A. Elvin; 2928 Los Angeles SANTA CLARITA VALLEY, Newhall Ranch, Commerce Center site, South end of ridge Northeast of confluence of Castaic Creek and Hasley Creek, Survey Area 52. 313.0 Comment
  LA211557  Salsola tragus Mark A. Elvin; 2003-6-9 2928 Los Angeles SANTA CLARITA VALLEY, Newhall Ranch, Commerce Center site, South end of ridge Northeast of confluence of Castaic Creek and Hasley Creek, Survey Area 52. 313.0 Comment
  UCR263716  Salsola tragus Mark A. Elvin 2003-6-9 2928 Ventura Santa Clarita Valley, Newhall Ranch, Commerce Center site, south end of ridge northeast of confluence of Castaic Creek and Hasley Creek, Survey Area 52 313 Comment