34.37645 34.47645 -118.71804 -118.61804 UC/JEPS: Consortium Search Results
Search Results — 1502 specimen records retrieved (1502 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  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
  RSA709119  Achnatherum coronatum A. C. Sanders, Tricia Wotipka 2003-5-14 26632 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line. 351 Comment
  IRVC29132  Achyrachaena mollis A. C. Sanders, Tricia Wotipka 2003-5-14 26642 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line Santa Susana Mtns., Western Transverse Range 351 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
  UCR127474  Achyrachaena mollis A. C. Sanders, Tricia Wotipka 2003-5-14 26642 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  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
  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
  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
  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
  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
  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
  UCR127285  Adiantum jordanii A. C. Sanders, Mark A. Elvin 2003-5-13 26597 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  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
  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
  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
  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
  UCR127476  Antirrhinum coulterianum A. C. Sanders, Tricia Wotipka 2003-5-14 26644 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  IRVC29123  Apiastrum angustifolium A. C. Sanders, Tricia Wotipka 2003-5-14 26629 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line Santa Susana Mtns., Western Transverse Range 351 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
  UCR127486  Apiastrum angustifolium A. C. Sanders, Tricia Wotipka 2003-5-14 26629 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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-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
  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
  IRVC26292  Asclepias fascicularis Anuja Parikh, Nathan Gale 2003-6-4 s.n. Ventura north of Hwy 126 and the Santa Clara River, just west of the Los Angeles Co. line, Newhall Ranch "Ventura Homestead" area, vicinity of peak 1341 Western Transverse Range 274 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
  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
  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
  UCR128283  Asclepias fascicularis Anuja Parikh, Nathan Gale 2003-6-4 s.n. Ventura Western Transverse Range, north of Hwy 126 and the Santa Clara River, just west of the Los Angeles Co. line, Newhall Ranch 'Ventura Homestead' area, vicinity of peak 1341 396 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
  IRVC29135  Astragalus didymocarpus A. C. Sanders, Tricia Wotipka 2003-5-14 26657 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line Santa Susana Mtns., Western Transverse Range 351 Comment
  SD186191  Astragalus didymocarpus A. C. Sanders, Tricia Wotipka 2003-5-14 26657 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles County line. 351 Comment
  UCR127227  Astragalus didymocarpus A. C. Sanders, Tricia Wotipka 2003-5-14 26657 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  IRVC26235  Astragalus trichopodus A. C. Sanders, Mark A. Elvin 2003-5-13 26610 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 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
  RSA712980  Astragalus trichopodus A. C. Sanders, Mark A. Elvin 2003-5-13 26610 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 488 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
  UCR127458  Astragalus trichopodus A. C. Sanders, Mark A. Elvin 2003-5-13 26610 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  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
  SD194334  Atriplex lentiformis Clifton F. Smith 1968-12-12 10158 Ventura Along bank of Highway 126 by Santa Clara River, near Ventura-Los Angeles county line. 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
  SBBG100  Atriplex lentiformis subsp. breweri R. Hoffmann 1927-6-14 Los Angeles beyond Camulos Comment
  SBBG101957  Atriplex lentiformis subsp. breweri C. F. Smith 1968-12-12 10158 Ventura bank of St Hwy 126, Santa Clara River, near Ventura-Los Angeles county line Comment
  SBBG17  Atriplex lentiformis subsp. breweri R. Hoffmann 1927-8-30 Los Angeles flat E of Camulos Ranch Comment
  SBBG72547  Atriplex lentiformis subsp. lentiformis R. Hoffmann 1931-9-1 Ventura Santa Clara Valley, 3 mi N of Camulos Comment
  UC1136301  Atriplex lentiformis subsp. lentiformis P. L. Johannsen 1934-2-23 302 Los Angeles Santa Clara River Santa Susana Quad., Santa Clara River 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
  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
  SBBG65402  Atriplex serenana var. serenana R. Hoffmann 1927-8-30 Los Angeles W of Castaic 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
  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
  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
  UCSB18638  Avena fatua Feldman, Peter 1963-5-3 Ventura State Hwy 126, 0.2 mi W of Los Angeles County Line 152 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
  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
  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
  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
  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
  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
  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
  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
  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
  IRVC26227  Bloomeria crocea A. C. Sanders, Mark A. Elvin 2003-5-13 26616 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  UCR127444  Bloomeria crocea A. C. Sanders, Mark A. Elvin 2003-5-13 26616 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  UCR128117  Bolboschoenus maritimus subsp. paludosus Anuja Parikh, Nathan Gale 2003-5-7 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, near the mouth of Salt Creek, survey area 71 274 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
  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
  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
  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
  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
  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
  SBBG56522  Bromus arizonicus R. Hoffmann 1929-4-26 Los Angeles near Camulos 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
  SBBG56612  Bromus diandrus R. Hoffmann 1929-4-26 Los Angeles near Camulos 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
  UCR127223  Bromus diandrus A. C. Sanders, Tricia Wotipka 2003-5-14 26647 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 Comment
  UCR127225  Bromus madritensis subsp. madritensis A. C. Sanders, Tricia Wotipka 2003-5-14 26646 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  SD186031  Bromus sterilis A. C. Sanders, Tricia Wotipka 2003-5-14 26646 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line. 351 Comment
  SEINET254492 Image available Bromus sterilis Unknown 2003-5-14 26646 Ventura Santa Susana Mtns., Western Transverse Tange: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 351 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
  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
  IRVC29138  Calochortus clavatus A. C. Sanders, Tricia Wotipka 2003-5-14 26662 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line Santa Susana Mtns., Western Transverse Range 351 Comment
  RSA709123  Calochortus clavatus A. C. Sanders, Tricia Wotipka 2003-5-14 26662 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line. 351 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
  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
  UCR127295  Calochortus clavatus A. C. Sanders, Tricia Wotipka 2003-5-14 26662 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  IRVC26290  Calystegia macrostegia subsp. cyclostegia Anuja Parikh, Nathan Gale 2003-6-12 s.n. Ventura north of Hwy 126 and the Santa Clara River, just west of the Los Angeles Co. line, Newhall Ranch "Ventura Homestead" area, vicinity of peak 1341 Western Transverse Range 274 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
  UCR128316  Calystegia macrostegia subsp. cyclostegia Anuja Parikh, Nathan Gale 2003-6-12 s.n. Ventura Western Transverse Range, north of Hwy 126 and the Santa Clara River, just west of the Los Angeles Co. line, Newhall Ranch 'Ventura Homestead' area, vicinity of peak 1341 396 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
  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
  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
  UCR127226  Calystegia peirsonii A. C. Sanders, Tricia Wotipka 2003-5-14 26648 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  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
  UCR127300  Camissonia boothii A. C. Sanders, Mark A. Elvin 2003-5-13 26621 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  IRVC26239  Camissonia boothii subsp. decorticans A. C. Sanders, Mark A. Elvin 2003-5-13 26621 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 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
  IRVC29355  Camissonia boothii subsp. decorticans Anuja Parikh, Nathan Gale 2003-5-7 s.n. Ventura Newhall Ranch, near the mouth of Salt Creek, survey area 71 N side of Santa Susana Mtns. 274 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
  UCR128110  Camissonia boothii subsp. decorticans Anuja Parikh, Nathan Gale 2003-5-7 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, near the mouth of Salt Creek, survey area 71 274 Comment
  IRVC29121  Camissonia californica A. C. Sanders, Mark A. Elvin 2003-5-13 26605 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  UCR127480  Camissonia californica A. C. Sanders, Mark A. Elvin 2003-5-13 26605 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  IRVC29128  Camissonia hirtella A. C. Sanders, Tricia Wotipka 2003-5-14 26638 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line Santa Susana Mtns., Western Transverse Range 351 Comment
  UCR127470  Camissonia hirtella A. C. Sanders, Tricia Wotipka 2003-5-14 26638 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  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
  IRVC26255  Castilleja affinis A. C. Sanders, Mark A. Elvin 2003-5-13 26620 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 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
  UCR127301  Castilleja affinis A. C. Sanders, Mark A. Elvin 2003-5-13 26620 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  UCR127228  Castilleja exserta A. C. Sanders, Tricia Wotipka 2003-5-14 26650 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  IRVC26250  Chenopodium californicum A. C. Sanders, Mark A. Elvin 2003-5-13 26599 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 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
  UCR127283  Chenopodium californicum A. C. Sanders, Mark A. Elvin 2003-5-13 26599 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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-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
  IRVC26236  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin 2003-5-13 26613 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 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
  RSA712885  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin 2003-5-13 26613 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 488 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
  SD186290  Chorizanthe staticoides Andy C. Sanders, Mark A. Elvin 2003-5-13 26613 Ventura Santa Susana Mtns., Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 487 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
  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
  UCR127450  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin 2003-5-13 26613 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  SBBG62285  Chorizanthe xanti var. xanti R. Hoffmann 1929-5-19 Los Angeles 5 mi W of Castaic 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
  UCR127233  Cirsium occidentale var. californicum A. C. Sanders, Tricia Wotipka 2003-5-14 26656 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  UCR127487  Clarkia unguiculata A. C. Sanders, Tricia Wotipka 2003-5-14 26630 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  UCSB30566  Clarkia unguiculata Patterson, R. 1976-5-21 Los Angeles End of San Martinez Canyon Road, near the Los Angeles/Ventura county line 1500 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
  UCR127302  Claytonia perfoliata A. C. Sanders, Tricia Wotipka 2003-5-14 26660 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  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
  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
  IRVC26226  Coreopsis bigelovii A. C. Sanders, Mark A. Elvin 2003-5-13 26619 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 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
  RSA713259  Coreopsis bigelovii A. C. Sanders, Mark A. Elvin 2003-5-13 26619 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 488 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
  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
  UCR127445  Coreopsis bigelovii A. C. Sanders, Mark A. Elvin 2003-5-13 26619 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  CAS-BOT-BC105684  Corethrogyne filaginifolia Bunch; Baily 1974-8-15 74 -673 Los Angeles Texaco Oil Field, Castaic Comment
  UCR127291  Coriandrum sativum A. C. Sanders, Tricia Wotipka, Mark A. Elvin, Scott Boczkiewicz 2003-5-14 26666 Ventura Santa Clara River Valley/Santa Susana Mtns., Newhall Ranch, Santa Clara River c. 1 km below Los Angeles Co. line at dirt road crossing, below road near gaging station 252 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
  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
  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
  IRVC29126  Cryptantha intermedia A. C. Sanders, Tricia Wotipka 2003-5-14 26634 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line Santa Susana Mtns., Western Transverse Range 351 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
  UCR127491  Cryptantha intermedia A. C. Sanders, Tricia Wotipka 2003-5-14 26634 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  RSA0076119  Cryptantha intermedia var. johnstonii A. C. Sanders, Tricia Wotipka 2003-5-14 26634 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line. 351 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
  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
  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
  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
  IRVC26233  Cryptantha muricata A. C. Sanders, Mark A. Elvin 2003-5-13 26609 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  SD186137  Cryptantha muricata A. C. Sanders, Mark A. Elvin 2003-5-13 26609 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 487 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
  UCR127453  Cryptantha muricata A. C. Sanders, Mark A. Elvin 2003-5-13 26609 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  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
  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
  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
  SBBG58151  Cuscuta californica var. californica R. Hoffmann 1931-9-1 Ventura Santa Clara Valley, N of Camulos 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
  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
  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
  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
  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
  UCR127224  Delphinium parryi A. C. Sanders, Tricia Wotipka 2003-5-14 26645 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 Comment
  UCR127440  Delphinium parryi A. C. Sanders, Mark A. Elvin 2003-5-13 26624 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  UCR162812  Delphinium parryi Anuja Parikh, Nathan Gale 2003-5-6 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, near the mouth of Salt Creek 274 Comment
  IRVC29353  Dendromecon rigida Anuja Parikh, Nathan Gale 2003-5-7 s.n. Ventura Newhall Ranch, near the mouth of Salt Creek, survey area 71 N side of Santa Susana Mtns. 274 Comment
  UCR128112  Dendromecon rigida Anuja Parikh, Nathan Gale 2003-5-7 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, near the mouth of Salt Creek, survey area 71 274 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
  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
  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
  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
  IRVC29127  Dudleya lanceolata A. C. Sanders, Tricia Wotipka 2003-5-14 26637 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line Santa Susana Mtns., Western Transverse Range 351 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
  RSA709121  Dudleya lanceolata A. C. Sanders, Tricia Wotipka 2003-5-14 26637 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line. 351 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
  UCR127469  Dudleya lanceolata A. C. Sanders, Tricia Wotipka 2003-5-14 26637 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  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
  UCR127231  Elymus condensatus A. C. Sanders, Tricia Wotipka 2003-5-14 26655 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  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
  IRVC26252  Emmenanthe penduliflora A. C. Sanders, Mark A. Elvin 2003-5-13 26598 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  UCR127284  Emmenanthe penduliflora A. C. Sanders, Mark A. Elvin 2003-5-13 26598 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  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
  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
  IRVC29141  Equisetum laevigatum A. C. Sanders, Tricia Wotipka, Mark A. Elvin, Scott Boczkiewicz 2003-5-14 26665 Ventura Newhall Ranch, Santa Clara River ca. 1 km below Los Angeles Co. line at dirt road crossing, below road near gaging station Santa Clara River Valley/Santa Susana Mtns. 252 Comment
  RSA712879  Equisetum laevigatum A. C. Sanders, Tricia Wotipka, M. A. Elvin, Scott Boczkiewicz 2003-5-14 26665 Ventura Santa Clara River Valley/Santa Susana Mtns.: Newhall Ranch, Santa Clara River ca. 1 km below Los Angeles Co. line at dirt road crossing, below road near gaging station. 252 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
  UCR127292  Equisetum laevigatum A. C. Sanders, Tricia Wotipka, Mark A. Elvin, Scott Boczkiewicz 2003-5-14 26665 Ventura Santa Clara River Valley/Santa Susana Mtns., Newhall Ranch, Santa Clara River c. 1 km below Los Angeles Co. line at dirt road crossing, below road near gaging station 252 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
  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
  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
  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
  SBBG60432  Eremothera boothii subsp. decorticans R. Hoffmann 1927-8-30 Ventura 6 mi W of Castaic 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
  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
  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
  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
  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
  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
  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
  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
  CAS-BOT-BC293116  Ericameria pinifolia Bunch; Baily 1974-8-15 1211 Los Angeles Below site #9 in wash. Texaco Oil Field, Castaic 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
  IRVC26309  Erigeron foliosus Anuja Parikh, Nathan Gale 2003-6-12 s.n. Ventura north of Hwy 126 and the Santa Clara River, just west of the Los Angeles Co. line, Newhall Ranch "Ventura Homestead" area, vicinity of peak 1341 Western Transverse Range 274 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
  LA211628  Erigeron foliosus Mark A. Elvin; T. Wotipka , D. Flietner 2003-6-9 2933 Ventura SANTA CLARITA VALLEY, Hills north of SR 126, just west of Ventura/Los Angeles county line, Newhall Ranch. 351.0 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
  UCR128281  Erigeron foliosus Anuja Parikh, Nathan Gale 2003-6-12 s.n. Ventura Western Transverse Range, north of Hwy 126 and the Santa Clara River, just west of the Los Angeles Co. line, Newhall Ranch 'Ventura Homestead' area, vicinity of peak 1341 396 Comment
  UCR264484  Erigeron foliosus Mark A. Elvin, Tricia Wotipka, D. Flietner 2003-6-9 2933 Ventura Santa Clarita Valley, Newhall Ranch, hills north of SR 126, just west of the Ventura/ Los Angeles county line 351 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
  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
  RSA709568  Eriogonum angulosum A. C. Sanders, Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-5-14 26669 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line. 351 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
  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
  CAS-BOT-BC175221  Eriogonum cithariforme var. agninum A. C. Sanders; Mark A. Elvin 2003-5-13 26625 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  IRVC28812  Eriogonum cithariforme var. agninum A. C. Sanders, Mark A. Elvin 2003-5-13 26625 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  RSA709569  Eriogonum cithariforme var. agninum A. C. Sanders, Mark A. Elvin 2003-5-13 26625 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 488 Comment
  SD178197  Eriogonum cithariforme var. agninum A. C. Sanders, Mark A. Elvin 2004-5-13 26625 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon waqtershed, toward Tapo Canyon. 487 Comment
  UCD99820  Eriogonum cithariforme var. agninum A. C. Sanders; Mark A. Elvin 2003-5-13 26625 Ventura Santa Susana Mountains, Western Transverse Range; Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 488 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
  UCR127712  Eriogonum cithariforme var. agninum A. C. Sanders, Mark A. Elvin 2003-5-13 26625 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  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
  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
  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
  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
  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
  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
  IRVC29129  Eriophyllum confertiflorum A. C. Sanders, Tricia Wotipka 2003-5-14 26639 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line Santa Susana Mtns., Western Transverse Range 351 Comment
  RSA712880  Eriophyllum confertiflorum A. C. Sanders, Tricia Wotipka 2003-5-14 26639 Ventura Santa Clara River Valley/Santa Susana Mtns.: Newhall Ranch, Santa Clara River ca. 1 km below Los Angeles Co. line at dirt road crossing, below road near gaging station. 252 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
  UCR127471  Eriophyllum confertiflorum A. C. Sanders, Tricia Wotipka 2003-5-14 26639 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  IRVC26234  Eschscholzia californica A. C. Sanders, Mark A. Elvin 2003-5-13 26606 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  UCR127430  Eschscholzia californica A. C. Sanders, Mark A. Elvin 2003-5-13 26606 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  IRVC26229  Eucrypta chrysanthemifolia A. C. Sanders, Mark A. Elvin 2003-5-13 26614 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 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
  UCR127442  Eucrypta chrysanthemifolia A. C. Sanders, Mark A. Elvin 2003-5-13 26614 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  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
  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
  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
  UCR127229  Euphorbia polycarpa A. C. Sanders, Tricia Wotipka 2003-5-14 26651 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  IRVC29268  Festuca microstachys Anuja Parikh, Nathan Gale 2003-5-8 s.n. Ventura Newhall Ranch, near the mouth of Salt Creek, survey area 71 N side of Santa Susana Mtns. 274 Comment
  UCR128105  Festuca microstachys Anuja Parikh, Nathan Gale 2003-5-8 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, near the mouth of Salt Creek, survey area 71 274 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
  IRVC26232  Filago californica A. C. Sanders, Mark A. Elvin 2003-5-13 26608 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  RSA713269  Filago californica A. C. Sanders, Mark A. Elvin 2003-5-13 26608 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 488 Comment
  UCR127454  Filago californica A. C. Sanders, Mark A. Elvin 2003-5-13 26608 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  CAS-BOT-BC223017  Galium angustifolium A. C. Sanders; Mark A. Elvin 2003-5-13 26596 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  IRVC26253  Galium angustifolium A. C. Sanders, Mark A. Elvin 2003-5-13 26596 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 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
  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
  UCR127286  Galium angustifolium A. C. Sanders, Mark A. Elvin 2003-5-13 26596 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  SBBG68819  Galium angustifolium subsp. angustifolium R. Hoffmann 1929-4-26 Los Angeles 5 mi W of Castaic Comment
  IRVC26231  Galium nuttallii A. C. Sanders, Mark A. Elvin 2003-5-13 26607 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  RSA712877  Galium nuttallii A. C. Sanders, Mark A. Elvin 2003-5-13 26607 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 488 Comment
  UCR127455  Galium nuttallii A. C. Sanders, Mark A. Elvin 2003-5-13 26607 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  IRVC29304  Galium porrigens var. porrigens Anuja Parikh, Nathan Gale 2003-5-8 s.n. Ventura Newhall Ranch, near the mouth of Salt Creek, survey area 71 N side of Santa Susana Mtns. 274 Comment
  UCR128104  Galium porrigens var. porrigens Anuja Parikh, Nathan Gale 2003-5-8 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, near the mouth of Salt Creek, survey area 71 274 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
  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
  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
  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
  UCR127492  Gilia capitata A. C. Sanders, Tricia Wotipka 2003-5-14 26635 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  IRVC29131  Gnaphalium californicum A. C. Sanders, Tricia Wotipka 2003-5-14 26641 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line Santa Susana Mtns., Western Transverse Range 351 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
  UCR127473  Gnaphalium californicum A. C. Sanders, Tricia Wotipka 2003-5-14 26641 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  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
  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
  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
  IRVC29661  Hemizonia fasciculata Mark A. Elvin, Tricia Wotipka, Dave Fleitner 2003-6-9 2929 A Ventura Hills N of SR 126, just west of the Ventura/ Los Angeles county line, Newhall Ranch Santa Clarita Valley 351 Comment
  UCR126778  Hemizonia fasciculata Mark A. Elvin, Tricia Wotipka, Dave Fleitner 2003-6-9 2929 A Ventura Santa Clarita Valley, Newhall Ranch, hills north of SR 126, just west of the Ventura/ Los Angeles county line 351 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
  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
  IRVC29139  Hesperocnide tenella A. C. Sanders, Tricia Wotipka, Mark A. Elvin, Scott Boczkiewicz 2003-5-14 26663 Ventura Newhall Ranch, Santa Clara River ca. 1 km below Los Angeles Co. line at dirt road crossing, below road near gaging station Santa Clara River Valley/Santa Susana Mtns. 252 Comment
  RSA712878  Hesperocnide tenella A. C. Sanders, Tricia Wotipka, Mark A. Elvin, Scott Boczkiewicz 2003-5-14 26663 Ventura Santa Clara River Valley/Santa Susana Mtns.: Newhall Ranch, Santa Clara River ca. 1 km below Los Angeles Co. line at dirt road crossing, below road near gaging station. 252 Comment
  UCR127294  Hesperocnide tenella A. C. Sanders, Tricia Wotipka, Mark A. Elvin, Scott Boczkiewicz 2003-5-14 26663 Ventura Santa Clara River Valley/Santa Susana Mtns., Newhall Ranch, Santa Clara River c. 1 km below Los Angeles Co. line at dirt road crossing, below road near gaging station 252 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
  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
  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
  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
  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
  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
  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
  SBBG63109  Heterotheca sessiliflora subsp. fastigiata R. Hoffmann 1931-9-1 Ventura Santa Clara River, 3 mi N of Camulos 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
  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
  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
  IRVC29116  Juglans californica A. C. Sanders, Mark A. Elvin 2003-5-13 26600 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 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
  SD186367  Juglans californica A. C. Sanders 2003-5-13 26600 Ventura Santa Susana Mtns., Newhall Ranch, west side of Salt Canyon, toward Tapo Canyon. 487 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
  UCR127483  Juglans californica A. C. Sanders, Mark A. Elvin 2003-5-13 26600 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  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
  IRVC29354  Keckiella cordifolia Anuja Parikh, Nathan Gale 2003-5-7 s.n. Ventura Newhall Ranch, near the mouth of Salt Creek, survey area 71 N side of Santa Susana Mtns. 274 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
  UCR128111  Keckiella cordifolia Anuja Parikh, Nathan Gale 2003-5-7 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, near the mouth of Salt Creek, survey area 71 274 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
  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
  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
  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
  SBBG61622  Lasthenia gracilis R. Hoffmann 1929-4-26 Los Angeles near Camulos Comment
  IRVC26238  Lathyrus vestitus A. C. Sanders, Mark A. Elvin 2003-5-13 26623 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  SD186195  Lathyrus vestitus A. C. Sanders, Mark A. Elvin 2003-5-13 26623 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 487 Comment
  UCR127298  Lathyrus vestitus A. C. Sanders, Mark A. Elvin 2003-5-13 26623 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  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
  IRVC29303  Lepidium virginicum Anuja Parikh, Nathan Gale 2003-5-7 s.n. Ventura Newhall Ranch, near the mouth of Salt Creek, survey area 71 N side of Santa Susana Mtns. 274 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
  UCR128116  Lepidium virginicum var. pubescens Anuja Parikh, Nathan Gale 2003-5-7 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, near the mouth of Salt Creek, survey area 71 274 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
  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
  SD186073  Leptosyne bigelovii A. C. Sanders, Mark A. Elvin 2003-5-13 26619 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 487 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
  CAS-BOT-BC339273  Lessingia glandulifera var. glandulifera Smith; Holsten 1974-8-15 0523 Los Angeles Texaco Oil Field Castaic 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
  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
  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
  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
  UCR127482  Lolium perenne A. C. Sanders, Mark A. Elvin 2003-5-13 26601 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  IRVC26230  Lotus humistratus A. C. Sanders, Mark A. Elvin 2003-5-13 26611 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  RSA713267  Lotus humistratus A. C. Sanders, Mark A. Elvin 2003-5-13 26611 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 488 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
  UCR127451  Lotus humistratus A. C. Sanders, Mark A. Elvin 2003-5-13 26611 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  IRVC26237  Lotus salsuginosus A. C. Sanders, Mark A. Elvin 2003-5-13 26612 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 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
  RSA713268  Lotus salsuginosus A. C. Sanders, Mark A. Elvin 2003-5-13 26612 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 488 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
  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
  UCR127452  Lotus salsuginosus A. C. Sanders, Mark A. Elvin 2003-5-13 26612 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  IRVC29136  Lotus scoparius var. scoparius A. C. Sanders, Tricia Wotipka 2003-5-14 26659 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line Santa Susana Mtns., Western Transverse Range 351 Comment
  RSA709124  Lotus scoparius var. scoparius A. C. Sanders, Tricia Wotipka 2003-5-14 26659 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line. 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
  UCR127222  Lotus scoparius var. scoparius A. C. Sanders, Tricia Wotipka 2003-5-14 26659 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  IRVC29124  Lotus strigosus A. C. Sanders, Tricia Wotipka 2003-5-14 26631 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line Santa Susana Mtns., Western Transverse Range 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
  UCR127488  Lotus strigosus A. C. Sanders, Tricia Wotipka 2003-5-14 26631 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  IRVC29137  Lupinus bicolor A. C. Sanders, Tricia Wotipka 2003-5-14 26661 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line Santa Susana Mtns., Western Transverse Range 351 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
  SD186208  Lupinus bicolor A. C. Sanders, Tridia Wotipka 2003-5-14 26661 Ventura Newhall Ranch, west side of Salt Canyon watershed toward Tapo Canyon, 1.2 km west of Los Angeles Co. line. 351 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
  UCR127296  Lupinus bicolor A. C. Sanders, Tricia Wotipka 2003-5-14 26661 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  IRVC29140  Lupinus hirsutissimus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, Scott Boczkiewicz 2003-5-14 26664 Ventura Newhall Ranch, Santa Clara River ca. 1 km below Los Angeles Co. line at dirt road crossing, below road near gaging station Santa Clara River Valley/Santa Susana Mtns. 252 Comment
  UCR127293  Lupinus hirsutissimus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, Scott Boczkiewicz 2003-5-14 26664 Ventura Santa Clara River Valley/Santa Susana Mtns., Newhall Ranch, Santa Clara River c. 1 km below Los Angeles Co. line at dirt road crossing, below road near gaging station 252 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
  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
  SBBG67043  Lupinus microcarpus var. microcarpus R. Hoffmann 1929-4-27 Los Angeles Little Martinez Crk near Castaic 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
  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
  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
  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
  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
  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
  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
  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
  IRVC28628  Malacothamnus fasciculatus var. laxiflorus Mark A. Elvin, Tricia Wotipka, D. Flietner 2003-6-9 2934 Ventura Hills N of SR 126, just west of the Ventura/ Los Angeles county line, Newhall Ranch Santa Clarita Valley 351 Comment
  IRVC28629  Malacothamnus fasciculatus var. laxiflorus Mark A. Elvin, Tricia Wotipka, D. Flietner 2003-6-9 2935 Ventura Hills N of SR 126, just west of the Ventura/ Los Angeles county line, Newhall Ranch Santa Clarita Valley 351 Comment
  IRVC28630  Malacothamnus fasciculatus var. laxiflorus Mark A. Elvin, Tricia Wotipka, D. Flietner 2003-6-9 2936 Ventura Hills N of SR 126, just west of the Ventura/ Los Angeles county line, Newhall Ranch Santa Clarita Valley 351 Comment
  UCR128095  Malacothamnus fasciculatus var. laxiflorus Mark A. Elvin, Tricia Wotipka, D. Flietner 2003-6-9 2934 Ventura Santa Clarita Valley, Newhall Ranch, hills north of SR 126, just west of the Ventura/ Los Angeles county line 351 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
  UCR128261  Malacothamnus fasciculatus var. laxiflorus Mark A. Elvin, Tricia Wotipka, D. Flietner 2003-6-9 2935 Ventura Santa Clarita Valley, Newhall Ranch, hills north of SR 126, just west of the Ventura/ Los Angeles county line 351 Comment
  UCR128262  Malacothamnus fasciculatus var. laxiflorus Mark A. Elvin, Tricia Wotipka, D. Flietner 2003-6-9 2936 Ventura Santa Clarita Valley, Newhall Ranch, hills north of SR 126, just west of the Ventura/ Los Angeles county line 351 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
  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
  SD237415  Marah A. C. Sanders, Tricia Wotipka 2003-5-14 26654 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line. 351 Comment
  UCR127230  Marah A. C. Sanders, Tricia Wotipka 2003-5-14 26652 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 Comment
  UCR142083  Marah A. C. Sanders, Tricia Wotipka 2003-5-14 26653 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 Comment
  UCR142636  Marah A. C. Sanders, Tricia Wotipka 2003-5-14 26654 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  CAS-BOT-BC174026  Melica imperfecta A. C. Sanders; Mark A. Elvin 2003-5-13 26595 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  IRVC26254  Melica imperfecta A. C. Sanders, Mark A. Elvin 2003-5-13 26595 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  RSA713596  Melica imperfecta A. C. Sanders, Mark A. Elvin 2003-5-13 26595 Ventura Santa Susana Mountains, Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 488 Comment
  SEINET251648 Image available Melica imperfecta A. C. Sanders, Mark A. Elvin 2003-5-13 26595 Ventura Santa Susana Mtns., Western Trancerst Range: Newhall Rnch west side of Salt Canyon watershed, toward Tapo Canyon (Val Verde 7.5' Q.) 488 Comment
  UCR127287  Melica imperfecta A. C. Sanders, Mark A. Elvin 2003-5-13 26595 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  IRVC29120  Microseris lindleyi A. C. Sanders, Mark A. Elvin 2003-5-13 26604 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 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
  UCR127456  Microseris lindleyi A. C. Sanders, Mark A. Elvin 2003-5-13 26604 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  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
  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
  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
  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
  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
  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
  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
  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
  RSA712979  Nassella lepida A. C. Sanders, Mark A. Elvin 2003-5-13 26626 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 488 Comment
  RSA709120  Nassella pulchra A. C. Sanders 2003-5-13 26627 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 488 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
  UCD61810  Navarretia mitracarpa Mark A. Elvin 2003-6-12 2941 Ventura Santa Susana Mountains: north side of range in Salt Canyon watershed, Newhall Ranch. 396 Comment
  RSA726193  Navarretia ojaiensis Mark A. Elvin 2003-6-12 2941 Ventura Santa Susana Mountains: north side of range in Salt Canyon watershed, Newhall Ranch 396 Comment
  SBBG122085  Navarretia ojaiensis A. Parikh, N. Gale 2003-6-3 1749 Ventura 3 km WNW of jct of Hwy 126 and San Martinez Grande Cyn Rd 509 Comment
  SBBG122086  Navarretia ojaiensis A. Parikh, N. Gale 2003-5-30 1748 Ventura 3.5 km WNW of jct of Hwy 126 and San Martinez Grande Cyn Rd 508 Comment
  SBBG125537  Navarretia ojaiensis M. A. Elvin 2003-6-12 2941 Ventura N side of Santa Susana Mtns in Salt Cyn watershed, Newhall Ranch 396 Comment
  SEINET4673989  Navarretia ojaiensis Mark A. Elvin, Tricia Wotipka; Dave Flietner 2003-6-9 2929 Ventura Locationn data provided with specimens]: Hills north of the Santa Clara River. [Location/habitat/community data obtained from associated specimen deposited at UCR]: Santa Clarita Valley Hills north of SR 126, just west of the Ventura / Los Angeles county line, Newhall Ranch.; 0 351 Comment
  SEINET4673998  Navarretia ojaiensis Mark A. Elvin, et al. 2003-7-1 2963 Ventura Santa Susana Mtns. North side of range in Salt Canyon watershed (hills south of the Santa Clara River).; 0 396 Comment
  SEINET4674016  Navarretia ojaiensis Mark A. Elvin, Tricia Wotipka; Dave Flietner 2003-6-9 2930 Ventura Santa Clarita Valley, hills N of SR 126, just W of Ventura/Los Angeles Co. line, Newhall Ranch.; 0 Comment
  SEINET4674214  Navarretia ojaiensis Mark A. Elvin 2003-6-12 2941 Ventura Location data provided with specimens]: Hills south of the Santa Clara River. [Location/habitat/community data obtained from specimen deposited at UCR]: Santa Susana Mountains, north side of range in Salt Canyon watershed, Newhall Ranch.; 0 396 Comment
  UCR127475  Navarretia ojaiensis A. C. Sanders, Tricia Wotipka 2003-5-14 26643 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 Comment
  UCR128277  Navarretia ojaiensis Mark A. Elvin 2003-6-12 2941 Ventura Santa Susana Mountains, north side of range in Salt Canyon watershed, Newhall Ranch 396 Comment
  UCR128279  Navarretia ojaiensis Anuja Parikh, Nathan Gale 2003-5-30 s.n. Ventura Western Transverse Range, north of Hwy 126 and the Santa Clara River, just west of the Los Angeles Co. line, Newhall Ranch 'Ventura Homestead' area, vicinity of peak 1341 396 Comment
  UCR128284  Navarretia ojaiensis Mark A. Elvin 2003-7-1 2963 Ventura Santa Susana Mountains, north side of range in Salt Canyon watershed, Newhall Ranch 396 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
  UCR127485  Nemacladus ramosissimus A. C. Sanders, Tricia Wotipka 2003-5-14 26628 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  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
  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
  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
  UCR127446  Parietaria hespera var. hespera A. C. Sanders, Mark A. Elvin 2003-5-13 26617 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  IRVC29134  Phacelia cicutaria var. hispida A. C. Sanders, Tricia Wotipka 2003-5-14 26649 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line Santa Susana Mtns., Western Transverse Range 351 Comment
  SD186242  Phacelia cicutaria var. hispida A. C. Sanders, Tricia Wotipka 2003-5-14 26649 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 351 Comment
  UCR127232  Phacelia cicutaria var. hispida A. C. Sanders, Tricia Wotipka 2003-5-14 26649 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  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
  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
  UCR128282  Phacelia viscida Anuja Parikh, Nathan Gale 2003-6-4 s.n. Ventura Western Transverse Range, north of Hwy 126 and the Santa Clara River, just west of the Los Angeles Co. line, Newhall Ranch 'Ventura Homestead' area, vicinity of peak 1341 396 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
  IRVC29352  Pholistoma auritum Anuja Parikh, Nathan Gale 2003-5-7 s.n. Ventura Newhall Ranch, near the mouth of Salt Creek, survey area 71 N side of Santa Susana Mtns. 274 Comment
  UCR128113  Pholistoma auritum Anuja Parikh, Nathan Gale 2003-5-7 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, near the mouth of Salt Creek, survey area 71 274 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
  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
  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
  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
  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
  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
  UCSC011206  Plantago erecta Adam Searcy 2015-2-10 66 Los Angeles Val Verde 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
  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
  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
  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
  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
  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
  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
  UCR127297  Pterostegia drymarioides A. C. Sanders, Tricia Wotipka 2003-5-14 26658 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  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
  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
  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
  UCR127490  Rafinesquia californica A. C. Sanders, Tricia Wotipka 2003-5-14 26633 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 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
  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
  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
  IRVC26228  Rhus ovata A. C. Sanders, Mark A. Elvin 2003-5-13 26615 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  RSA713260  Rhus ovata A. C. Sanders, Mark Elvin 2003-5-13 26615 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 488 Comment
  SD186051  Rhus ovata A. C. Sanders, Mark A. Elvin 2003-5-13 26615 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 487 Comment
  UCR127443  Rhus ovata A. C. Sanders, Mark A. Elvin 2003-5-13 26615 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 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
  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
  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
  IRVC29356  Rosa californica Anuja Parikh, Nathan Gale 2003-5-7 s.n. Ventura Newhall Ranch, near the mouth of Salt Creek, survey area 71 N side of Santa Susana Mtns. 274 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
  UCR128109  Rosa californica Anuja Parikh, Nathan Gale 2003-5-7 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, near the mouth of Salt Creek, survey area 71 274 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
  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
  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
  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
  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
  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
  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
  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
  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
  SBBG58385  Saltugilia australis R. Hoffmann 1929-4-27 Los Angeles Little Martinez Crk Comment
  UCR127868  Salvia X bernardina Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2752 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR127468  Salvia columbariae A. C. Sanders, Tricia Wotipka 2003-5-14 26636 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 Comment
  CAS-BOT-BC233651  Salvia leucophylla M. Smith 1974-8-15 0505 Los Angeles Texaco Oil Field, Castaic Comment
  IRVC28985  Salvia leucophylla A. C. Sanders 2003-6-19 26972 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  IRVC29118  Salvia leucophylla A. C. Sanders, Mark A. Elvin 2003-5-13 26602 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  UCR126821  Salvia leucophylla A. C. Sanders 2003-6-19 26972 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  UCR127481  Salvia leucophylla A. C. Sanders, Mark A. Elvin 2003-5-13 26602 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  UCR125936  Salvia mellifera A. C. Sanders, Mark Elvin 2002-6-19 25197 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
  UCR125239  Sambucus mexicana A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25497 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
  IRVC26240  Sanicula crassicaulis A. C. Sanders, Mark A. Elvin 2003-5-13 26622 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  UCR127299  Sanicula crassicaulis A. C. Sanders, Mark A. Elvin 2003-5-13 26622 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  UCR128106  Sanicula crassicaulis Anuja Parikh, Nathan Gale 2003-5-7 s.n. Ventura N side of Santa Susana Mtns., Newhall Ranch, near the mouth of Salt Creek, survey area 71 274 Comment
  UCR126779  Schismus barbatus Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2761 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR126619  Schoenoplectus acutus var. occidentalis A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27140 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR129401  Schoenoplectus acutus var. occidentalis A. C. Sanders, Mark Elvin 2002-6-20 25214 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
  IRVC28701  Schoenoplectus americanus A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25490 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
  IRVC29014  Schoenoplectus americanus A. C. Sanders, Mark Elvin 2002-6-25 25291 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
  UCR123267  Schoenoplectus americanus A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25490 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
  UCR125144  Schoenoplectus americanus A. C. Sanders, Mark Elvin 2002-6-25 25291 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
  UCR126620  Schoenoplectus americanus A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27141 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR162585  Schoenoplectus americanus Anuja Parikh, Nathan Gale 2004-5-31 2015 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
  UCR162586  Scirpus californicus Anuja Parikh, Nathan Gale 2004-5-31 2016 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
  IRVC29357  Scirpus maritimus Anuja Parikh, Nathan Gale 2003-5-7 s.n. Ventura Newhall Ranch, near the mouth of Salt Creek, survey area 71 N side of Santa Susana Mtns. 274 Comment
  UCR163177  Scrophularia californica subsp. californica Anuja Parikh, Nathan Gale 2004-9-9 2090 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
  UCR127877  Scutellaria tuberosa Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2744 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  IRVC26937  Selaginella bigelovii Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2739 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  IRVC28572  Selaginella bigelovii A. C. Sanders, Mark Elvin 2002-6-18 25134 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
  UCR127869  Selaginella bigelovii Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2739 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR129418  Selaginella bigelovii A. C. Sanders, Mark Elvin 2002-6-18 25134 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
  IRVC26437  Senecio californicus A. C. Sanders, Mark Elvin 2003-3-5 25730 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
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Feb 19 2010
  UCR125382  Senecio californicus A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25725 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
  UCR125387  Senecio californicus A. C. Sanders, Mark Elvin 2003-3-5 25730 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
  IRVC27305  Senecio flaccidus var. douglasii A. C. Sanders, Mark Elvin 2003-8-7 27151 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
  IRVC28752  Senecio flaccidus var. douglasii A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25532 Los Angeles Newhall Ranch, "Long Canyon," north of Potrero Canyon NE end of Santa Susana Mtns. 366 Comment
  UCR126709  Senecio flaccidus var. douglasii A. C. Sanders, Mark Elvin 2003-8-7 27151 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
  UCR127396  Senecio flaccidus var. douglasii A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25532 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, "Long Canyon,' north of Potrero Canyon 366 Comment
  UCR162583  Sesuvium verrucosum Anuja Parikh, Nathan Gale 2004-5-31 2014 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
  UCR127378  Setaria adhaerens A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25553 Los Angeles Santa Clara River Valley, north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  UCR172290  Setaria adhaerens Anuja Parikh, Nathan Gale 2005-7-11 2136 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
  SBBG59135  Setaria viridis R. Hoffmann 1927-9-21 Los Angeles 5 mi W of Castaic Comment
  UCR162505  Setaria viridis Anuja Parikh, Nathan Gale 2004-6-2 2025 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
  UCR172292  Setaria viridis Anuja Parikh, Nathan Gale 2005-7-11 2138 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
  UCR125938  Sisymbrium altissimum A. C. Sanders, Mark Elvin 2002-6-19 25185 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
  UCR125951  Sisymbrium officinale A. C. Sanders, Mark Elvin 2002-6-19 25167 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
  UCR125422  Sisymbrium orientale A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25689 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
  UCR126772  Sisymbrium orientale Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2743 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  IRVC27303  Solanum americanum A. C. Sanders, Mark Elvin 2003-8-7 27162 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  RSA709744  Solanum americanum A. C. Sanders, Mark A. Elvin 2003-8-7 27162 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom east of Del Valle. 282 Comment
  UCR126357  Solanum americanum A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27133 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR126705  Solanum americanum A. C. Sanders, Mark Elvin 2003-8-7 27162 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom east of Del Valle 282 Comment
  UCR125944  Solanum douglasii A. C. Sanders, Mark Elvin 2002-6-19 25143 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
  UCR123360  Solanum elaeagnifolium A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25473 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR238082  Solanum elaeagnifolium Mark A. Elvin, Julie M. Vanderwier 2002-7-17 2098 A Los Angeles Western Transverse Range; Santa Clarita Valley, west face of Potrero Mesa, south of Santa Clara River, above Pico Canyon Rd. 305 Comment
  UCR126626  Solanum physalifolium var. nitidibaccatum A. C. Sanders, Mark Elvin 2003-8-7 27174 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR129399  Solanum physalifolium var. nitidibaccatum A. C. Sanders, Mark Elvin 2002-6-20 25217 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
  RSA703835  Solanum sarrachoides A. C. Sanders, Mark A. Elvin 2002-6-20 25217 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
  RSA712881  Solanum umbelliferum A. C. Sanders, Tricia Wotipka 2003-5-14 26640 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line. 351 Comment
  RSA714886  Solanum umbelliferum A. C. Sanders, Mark A. Elvin 2003-4-14 25981 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
  IRVC28748  Solanum xanti A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25517 Los Angeles Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters NE end of Santa Susana Mtns. 313 Comment
  IRVC29130  Solanum xanti A. C. Sanders, Tricia Wotipka 2003-5-14 26640 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line Santa Susana Mtns., Western Transverse Range 351 Comment
  SBBG120064  Solanum xanti A. C. Sanders 2003-4-14 25981 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
  SBBG70637  Solanum xanti R. Hoffmann 1929-4-26 Los Angeles near Camulos Comment
  UCR125245  Solanum xanti A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25517 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  UCR125491  Solanum xanti A. C. Sanders, Mark Elvin 2003-4-14 25981 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
  UCR127472  Solanum xanti A. C. Sanders, Tricia Wotipka 2003-5-14 26640 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 Comment
  UCR126348  Solidago occidentalis A. C. Sanders 2003-8-6 27117 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  UCR162575  Solidago occidentalis Anuja Parikh, Nathan Gale 2004-6-30 2073 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley, Newhall Ranch (study area 27), south of the river near Potrero Canyon 366 Comment
  UCR125950  Sonchus asper A. C. Sanders, Mark Elvin 2002-6-19 25168 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
  UCR128000  Spartium junceum Mark A. Elvin 2003-8-13 2984 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  UCR162577  Spartium junceum Anuja Parikh, Nathan Gale 2004-6-1 2018 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
  RSA0097064  Spergularia A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25482 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals. 335 Comment
  RSA0097076  Spergularia A. C. Sanders 2003-8-6 27114 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 320 Comment
  SD237403  Spergularia A. C. Sanders 2003-8-6 27114 Los Angeles NE end of Santa Susana Mountains: Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters (Val Verde 7.5'Q) 320 Comment
  SEINET3260403 Image available Spergularia A. C. Sanders, Mark Elvin; Cathleen Weigand 2002-7-30 25482 Los Angeles NE end of Santa Susana Mtns.; Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals. 335 Comment
  UCR142071  Spergularia A. C. Sanders 2003-8-6 27114 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  UCR202328  Spergularia A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25482 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR162293  Spergularia marina Anuja Parikh, Nathan Gale 2004-6-22 2066 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
  RSA714790  Spinacia oleracea A. C. Sanders 2003-6-19 26984 Los Angeles Western Transverse Range/Santa Clara River Watershed: near mouth of Off-haul Canyon , ca. 1 mile west of Mayo Spur between San Martinez Grand Canyon and the Ventura Co. Line, norht of Hwy 126, Newhall Ranch. 274 Comment
  UCR162206  Sporobolus airoides Anuja Parikh, Nathan Gale 2004-6-22 2069 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
  UCR162579  Sporobolus airoides Anuja Parikh, Nathan Gale 2004-7-2 2078 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
  IRVC27018  Stachys albens Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2989 Los Angeles S side of the Santa Clara River, ca 200 m upstream from the mouth of Potrero Creek Santa Clarita Valley 274 Comment
  UCR128019  Stachys albens Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2989 Los Angeles Santa Clarita Valley, S side of the Santa Clara River, c. 200 m upstream from the mouth of Potrero Creek 274 Comment
  UCR129407  Stachys albens A. C. Sanders, Mark Elvin 2002-6-20 25241 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
  RSA714796  Stanleya pinnata Mark Elvin 2003-4-9 2468 Los Angeles Santa Clarita Valley: Newhall Ranch Commerce Center, canyon N of SR 126 from Grapevine Mesa . 335 Comment
  IRVC26174  Stanleya pinnata var. pinnata Mark A. Elvin 2003-4-9 2468 Los Angeles Newhall Ranch Commerce Center, canyon N of SR 126 from 'Grapevine Mesa' Santa Clarita Valley 335 Comment
  UCR127062  Stanleya pinnata var. pinnata Mark A. Elvin 2003-4-9 2468 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  UCR172455  Stanleya pinnata var. pinnata Anuja Parikh, Nathan Gale 2005-7-23 2148 Los Angeles Santa Susanna Mtns., Newhall Ranch, Potrero Canyon, study area 24 427 Comment
  RSA732536  Stellaria media A. C. Sanders, Mark Elvin, C. Weigand, M. S. Enright, M. Balk, N. Gale, A. Parikh 2003-3-5 25715 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
  UCR125430  Stellaria media A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25715 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
  UCR126784  Stellaria nitens Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2756 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR169446  Stephanomeria A. C. Sanders, Mark A. Elvin, Cathleen Weigand 2002-7-31 25520 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  RSA709573  Stephanomeria pauciflora Anuja Parikh, Nathan Gale 2004-7-1 2076 Los Angeles NE end of Santa Susana Mtns./Santa Clara River Valley: Newhall Ranch (study area 15), south of the river near Potrero Canyon. 305 Comment
  UCR127006  Stephanomeria pauciflora A. C. Sanders, Mark A. Elvin 2002-8-28 25608 Los Angeles Western Transverse Range, Newhall Ranch at 'Chickenhead Mtn.' north of Hwy 126 near the Del Valle Training Facinity, LA Co. Fire Dept., west of San Martinez Chiquito Canyon, on ridges below summit of peak 1768 470 Comment
  UCR163175  Stephanomeria pauciflora Anuja Parikh, Nathan Gale 2004-7-1 2076 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
  UCR238080  Stephanomeria pauciflora Mark A. Elvin, Julie M. Vanderwier 2002-7-18 2101 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, ridge west of Potrero Canyon 396 Comment
  IRVC27332  Stephanomeria virgata A. C. Sanders, Mark Elvin 2003-8-7 27153 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
  RSA709743  Stephanomeria virgata A. C. Sanders, Mark Elvin 2003-8-7 27153 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
  UCR126599  Stephanomeria virgata A. C. Sanders, Mark Elvin 2003-8-7 27153 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
  UCR128093  Stephanomeria virgata subsp. virgata Mark A. Elvin 2003-6-19 2952 Los Angeles Western Transverse Range, hills west of San Martinez Grande Canyon and north of Calif. Hwy 126, Newhall Ranch 366 Comment
  IRVC28593  Stillingia linearifolia A. C. Sanders, Mark Elvin 2002-6-19 25191 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
  UCR125934  Stillingia linearifolia A. C. Sanders, Mark Elvin 2002-6-19 25191 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
  IRVC26165  Stipa cernua A. C. Sanders 2003-6-19 26967 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  IRVC28587  Stipa cernua A. C. Sanders, Mark Elvin 2002-6-19 25181 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
  UCR125931  Stipa cernua A. C. Sanders, Mark Elvin 2002-6-19 25181 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
  UCR126999  Stipa cernua A. C. Sanders 2003-6-19 26967 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  IRVC29125  Stipa coronata A. C. Sanders, Tricia Wotipka 2003-5-14 26632 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line Santa Susana Mtns., Western Transverse Range 351 Comment
  UCR126783  Stipa coronata Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2757 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR127489  Stipa coronata A. C. Sanders, Tricia Wotipka 2003-5-14 26632 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon, 1.2 km west of Los Angeles Co. line 579 Comment
  IRVC26225  Stipa lepida A. C. Sanders, Mark A. Elvin 2003-5-13 26626 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  SEINET1004449  Stipa lepida A. C. Sanders, Mark A. Elvin 2003-1 26626 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 488 Comment
  UCR127441  Stipa lepida A. C. Sanders, Mark A. Elvin 2003-5-13 26626 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  IRVC29122  Stipa pulchra A. C. Sanders, Mark A. Elvin 2003-5-13 26627 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  UCR127484  Stipa pulchra A. C. Sanders, Mark A. Elvin 2003-5-13 26627 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  UCR127176  Stipa speciosa A. C. Sanders, Mark A. Elvin 2003-6-20 27008 Los Angeles Western Transverse Range/Santa Clara River Watershed, lower San Martinez Chiquito Canyon wash, north of Hwy 126 and Del Valle 305 Comment
  UCR172445  Stipa speciosa Anuja Parikh, Nathan Gale 2005-7-8 2130 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills between Potrero Canyon and Long Canyon, study area 25 412 Comment
  UCR127093  Stylocline gnaphaloides Mark A. Elvin, Cathleen Weigand 2003-4-7 2450 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  UCR162594  Symphoricarpos mollis Anuja Parikh, Nathan Gale 2004-6-28 2072 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
  UCR172288  Symphoricarpos mollis Anuja Parikh, Nathan Gale 2005-6-7 2115 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
  UCR169502  Tamarix chinensis A. C. Sanders, Mark Elvin 2002-6-19 25144 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
  SD237634  Tamarix ramosissima A. C. Sanders, Kim Marsden 2003-6-20 26988 Los Angeles Western Range/Santa Clara River Watershed: Del Valle area, between San Martinez Grande Canyon Road and )San Martinex) Chiquito Canyon Road, north of Hwy 126, Newhall Range (Val Verde 7.5'Q) 305 Comment
  UCR142075  Tamarix ramosissima A. C. Sanders, Kim Marsden 2003-6-20 26988 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
  UCR127871  Thelypodium lasiophyllum Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2737 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  IRVC26457  Thysanocarpus curvipes A. C. Sanders, Mark Elvin, et al. 2003-3-5 25722 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
  IRVC26469  Thysanocarpus curvipes A. C. Sanders, Mark Elvin 2003-3-5 25731 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
  SD234862  Thysanocarpus curvipes A. C. Sanders, M. Elvin 2003-3-5 25731 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. 334 Comment
  UCR125379  Thysanocarpus curvipes A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25722 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
  UCR125388  Thysanocarpus curvipes A. C. Sanders, Mark Elvin 2003-3-5 25731 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
  RSA0121923  Thysanocarpus curvipes subsp. amplectens A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25722 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
  RSA0121924  Thysanocarpus curvipes subsp. amplectens A. C. Sanders, Mark Elvin 2003-3-5 25731 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
  IRVC26291  Trichostema lanceolatum Anuja Parikh, Nathan Gale 2003-6-12 s.n. Ventura north of Hwy 126 and the Santa Clara River, just west of the Los Angeles Co. line, Newhall Ranch "Ventura Homestead" area, vicinity of peak 1341 Western Transverse Range 274 Comment
  IRVC28558  Trichostema lanceolatum A. C. Sanders 2003-8-5 27111 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
  IRVC28988  Trichostema lanceolatum A. C. Sanders 2003-6-19 26979 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  SEINET1869734  Trichostema lanceolatum A. C. Sanders 2003-1 27111 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
  UCR125962  Trichostema lanceolatum A. C. Sanders, Mark Elvin 2002-6-19 25154 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
  UCR126330  Trichostema lanceolatum A. C. Sanders 2003-8-5 27111 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
  UCR126830  Trichostema lanceolatum A. C. Sanders 2003-6-19 26979 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  UCR128280  Trichostema lanceolatum Anuja Parikh, Nathan Gale 2003-6-12 s.n. Ventura Western Transverse Range, north of Hwy 126 and the Santa Clara River, just west of the Los Angeles Co. line, Newhall Ranch 'Ventura Homestead' area, vicinity of peak 1341 396 Comment
  RSA0059152  Trifolium A. C. Sanders, Mark A. Elvin 2003-5-13 26618 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 488 Comment
  SD197783  Trifolium A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25531 Los Angeles Santa Clara River Valley: Newhall Ranch, Santa Clara River at dirt road crossing near Del Valle. 274 Comment
  UCR127447  Trifolium A. C. Sanders, Mark A. Elvin 2003-5-13 26618 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  UCR202329  Trifolium A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25531 Los Angeles Santa Clara River Valley, Newhall Ranch, Santa Clara River at dirt road crossing near Del Valle 274 Comment
  UCSC008287  Trifolium A. C. Sanders, Mark A. Elvin 2003-5-13 26618 Ventura Santa Susana Mountains, Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon (Val Verde 7.5' Quadrangle). 500 Comment
  RSA714802  Trifolium albopurpureum Mark A. Elvin, Cathleen Weigand 2003-4-8 2454 Los Angeles Castaic Valley: Confluence of Hasley Canyon with Castaic Creek, ridge N of the confluence. 351 Comment
  IRVC28855  Trifolium ciliolatum Mark A. Elvin, Cathleen Weigand 2003-4-7 2438 A Los Angeles Newhall Ranch, junction of Hasley Canyon and Castaic Creek Castaic Valley 335 Comment
  UCR127026  Trifolium ciliolatum Mark A. Elvin, Cathleen Weigand 2003-4-7 2438 A Los Angeles Castaic Valley, Newhall Ranch, junction of Hasley Canyon and Castaic Creek 335 Comment
  HSC95242  Trifolium fragiferum A. C. Sanders, Mark A. Elvin 2002-6-25 25282 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 274 Comment
  RSA692077  Trifolium fragiferum A. C. Sanders, Mark Elvin 2002-6-25 25282 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
  UCR125167  Trifolium fragiferum A. C. Sanders, Mark Elvin 2002-6-25 25282 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
  UCR127642  Trifolium fragiferum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25530 Los Angeles Santa Clara River Valley, Newhall Ranch, Santa Clara River at dirt road crossing near Del Valle 274 Comment
  CAS-BOT-BC248302  Trifolium fucatum A. C. Sanders; Mark A. Elvin 2003-5-13 26618 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  SD241023  Trifolium fucatum A. C. Sanders, Mark A. Elvin 2003-5-13 26618 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 487 Comment
  IRVC26245  Trifolium gracilentum A. C. Sanders, Mark A. Elvin 2003-5-13 26594 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  UCR127027  Trifolium gracilentum Mark A. Elvin, Cathleen Weigand 2003-4-7 2438 B Los Angeles Castaic Valley, Newhall Ranch, junction of Hasley Canyon and Castaic Creek 335 Comment
  UCR127288  Trifolium gracilentum A. C. Sanders, Mark A. Elvin 2003-5-13 26594 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  UCSC011203  Trifolium gracilentum Adam Searcy 2015-2-5 63 Los Angeles Val Verde Comment
  UCSC011205  Trifolium gracilentum Adam Searcy 2015-3-31 65 Los Angeles Val Verdo Comment
  RSA0116240  Trifolium resupinatum A. C. Sanders, Mark A. Elvin, Cathleen Weigand 2002-8-1 25531 Los Angeles Newhall Ranch, Santa Clara River at dirt road crossing near Del Valle 274 Comment
  RSA709129  Trifolium willdenovii A. C. Sanders, Mark Elvin 2003-5-13 26603 Ventura Santa Susana Mtns., Western Transverse Range: Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon. 488 Comment
  UCR126782  Trifolium willdenovii Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2758 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR127457  Trifolium willdenovii A. C. Sanders, Mark A. Elvin 2003-5-13 26603 Ventura Santa Susana Mtns., Western Transverse Range, Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon 610 Comment
  IRVC27858  Trifolium willdenowii Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2758 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  IRVC29119  Trifolium willdenowii A. C. Sanders, Mark A. Elvin 2003-5-13 26603 Ventura Newhall Ranch, west side of Salt Canyon watershed, toward Tapo Canyon Santa Susana Mtns., Western Transverse Range 488 Comment
  IRVC26449  Tropidocarpum gracile A. C. Sanders, Mark Elvin, et al. 2003-3-4 25692 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
  RSA725907  Tropidocarpum gracile A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25692 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
  SD234346  Tropidocarpum gracile A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk Nathan Gale, Anuja Parikh, K. Rindlaug 2003-3-4 25692 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, S of confulence of Castaic Creek with Santa Clara River (Val Verde 7.5'Q) 334 Comment
  UCR125414  Tropidocarpum gracile A. C. Sanders, Mark Elvin 2003-3-5 25736 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
  UCR125425  Tropidocarpum gracile A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25692 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
  IRVC29015  Typha domingensis A. C. Sanders, Mark Elvin 2002-6-25 25292 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
  UCR125143  Typha domingensis A. C. Sanders, Mark Elvin 2002-6-25 25292 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
  UCR126610  Typha latifolia A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27142 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UCR129510  Typha latifolia A. C. Sanders, Mark Elvin 2002-6-20 25226 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
  UCR127401  Ulmus pumila A. C. Sanders, Mark Elvin, , Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25567 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  UCR123365  Urtica dioica A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25478 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR125254  Urtica dioica A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25503 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
  SBBG61582  Urtica urens R. Hoffmann 1929-4-27 Los Angeles Little Martinez Crk Comment
  RSA711995  Verbascum virgatum A. C. Sanders, Mark A. Elvin 2003-8-7 27181 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur. 267 Comment
  UCR126713  Verbascum virgatum A. C. Sanders, Mark Elvin 2003-8-7 27181 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR127001  Verbascum virgatum A. C. Sanders, Kim Marsden 2003-6-20 26990 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
  UCR128017  Verbascum virgatum Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2291 Los Angeles Santa Clarita Valley, S side of the Santa Clara River, c. 200 m upstream from the mouth of Potrero Creek 274 Comment
  IRVC28727  Verbena lasiostachys A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25508 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
  IRVC28991  Verbena lasiostachys A. C. Sanders 2003-6-18 26933 Los Angeles in mouth of "Off-haul Canyon" ca. 1 mile west of Mayo Spur between San Martinez Grande Canyon the Ventura Co. line, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  RSA703834  Verbena lasiostachys A. C. Sanders, Mark A. Elvin, Cathleen Weigand 2002-7-31 25508 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. 366 Comment
  UCR125265  Verbena lasiostachys A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25508 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
  UCR127152  Verbena lasiostachys A. C. Sanders 2003-6-18 26933 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
  UCR128010  Verbena lasiostachys Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 3000 Los Angeles Santa Clarita Valley, Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  UCR129400  Veronica anagallis-aquatica A. C. Sanders, Mark Elvin 2002-6-20 25215 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
  IRVC27856  Vicia hassei Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2760 Ventura Newhall Ranch, Salt Creek, east of the creek NE end of Santa Susana Mtns. 366 Comment
  RSA727092  Vicia hassei Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2760 Ventura NE end of Santa Susana Mtns.: Newhall Ranch, Salt Creek, east of the creek. 366 Comment
  UCR126780  Vicia hassei Mark A. Elvin, Scott Boczkiewicz 2003-5-14 2760 Ventura NE end of Santa Susana Mtns., Newhall Ranch, Salt Creek, east of the creek 457 Comment
  UCR127055  Vicia villosa Mark A. Elvin, Cathleen Weigand 2003-4-7 2444 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  UCR174356  Viguiera laciniata Anuja Parikh, Nathan Gale 2005-4-21 2129 Los Angeles Western Transverse Range, Newhall Ranch (study area 51), VCC, near Castaic Creek 330 Comment
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Apr 9 2009
  UCR125959  Washingtonia robusta A. C. Sanders, Mark Elvin 2002-6-19 25169 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
  IRVC28692  Xanthium spinosum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25472 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  UCR123359  Xanthium spinosum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25472 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR125269  Xanthium spinosum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25541 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
  UCR163179  Zannichellia palustris Anuja Parikh, Nathan Gale 2004-9-10 2098 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



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