34.38258 34.48258 -118.74809 -118.64809 UC/JEPS: Consortium Search Results
Search Results — 714 specimen records retrieved (714 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  SBBG62484  Artemisia R. Hoffmann 1927-8-30 Ventura flat E of Camulos Ranch 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
  RSA0092074  Artemisia douglasiana Sarah J. De Groot, Noravit Chumchim 2015-7-30 7529 Ventura The Nature Conservancy Vulcan property, east end; Santa Clara River drainage about 1.6 miles up Santa Clara River from confluence with Piru Creek, just southeast of Camulos and ~2.5 miles east-southeast of Piru., About 8.5 miles west of Interstate 5 along Highway 126. North of Oak Ridge, south of Topatopa Mountains. Along the Oak Ridge Fault. 224 Comment
  SBBG132032  Artemisia douglasiana S. J. DeGroot, N. Chumchim 2015-7-30 7529 Ventura Santa Clara River drainage ca. 1.6 mi up Santa Clara River from confluence with Piru Crk, just SE of Camulos and ca. 2.5 mi ESE of Piru, ca. 8.5 mi W of Interstate 5 along Hwy 126; E end of Nature Conservancy Vulcan property 224 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
  SBBG62464  Artemisia tridentata R. Hoffmann 1927-8-30 Ventura E of Camulos Ranch 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
  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
  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
  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
  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
  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
  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
  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
  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
  UC472165  Atriplex canescens J. Ewan 1931-11-11 5298 Los Angeles Del Valle , Del Valle (Santa Clara River Valley) 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
  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
  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
  SBBG72553  Atriplex lentiformis subsp. lentiformis R. Hoffmann 1927-8-30 Ventura E of Camulos Ranch 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
  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
  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
  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
  UCR238072  Atriplex suberecta Mark A. Elvin, M. S. Enright 2002-7-22 2110 Los Angeles Western Transverse Range, Newhall Ranch, Salt Creek 305 Comment
  UCSB18638  Avena fatua Feldman, Peter 1963-5-3 Ventura State Hwy 126, 0.2 mi W of Los Angeles County Line 152 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
  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
  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
  SBBG124348  Bassia hyssopifolia R. Burgess, P. Munro 2003-5-4 5761 Ventura N side of Hwy 126, E of Piru, mile marker 32.47 228 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
  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
  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
  SBBG72251  Brassica geniculata R. Hoffmann 1929-5-19 Los Angeles 5 mi W of Castaic 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
  UC1126830  Brassica rapa P. L. Johannsen 1934-3-6 319 Los Angeles 2 mi s of Holser Canyon (Quadrangle Santa Susana); Quadrangle Santa Susana 228 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
  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
  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
  SBBG56612  Bromus diandrus R. Hoffmann 1929-4-26 Los Angeles near Camulos 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
  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
  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
  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
  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
  SBBG124346  Calystegia macrostegia subsp. intermedia R. Burgess, P. Munro 2003-5-4 5759 Ventura N side of Hwy 126, E of Piru, mile marker 32.47 228 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
  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
  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
  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
  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
  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
  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
  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
  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
  SBBG66951  Castilleja applegatei subsp. pinetorum R. Hoffmann 1929-4-26 Los Angeles 5 mi W of Castaic 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
  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
  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
  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
  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
  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
  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
  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-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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  RSA0092076  Corethrogyne filaginifolia Sarah J. De Groot, Noravit Chumchim 2015-7-30 7532 Ventura The Nature Conservancy Vulcan property, east end; Santa Clara River drainage about 1.6 miles up Santa Clara River from confluence with Piru Creek, just southeast of Camulos and ~2.5 miles east-southeast of Piru., About 8.5 miles west of Interstate 5 along Highway 126. North of Oak Ridge, south of Topatopa Mountains. Along the Oak Ridge Fault. 218 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
  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
  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
  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
  SBBG134027  Cryptantha muricata R. Burgess, P. Munro 2005-6-11 6912 Ventura Heritage Valley, cyn on N side of Hwy 126 238 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
  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
  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
  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
  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
  UCR248748  Cyperus odoratus Peter Rubtzoff 1988-10-7 9967 Ventura Santa Clara River near Hwy 126, c. 2.25 miles west of the Los Angeles County line and c. 4 miles east of Main St. junction (at Piru) 229 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
  UC1125095  Datura wrightii P. L. Johannsen 1934-3-6 320 Los Angeles 1 1/4 mi s head Ramona Canyon; Santa Susana Quad., s Head of Ramona Canyon 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
  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
  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
  IRVC29655  Dudleya lanceolata Mark A. Elvin 2003-6-12 2942 Los Angeles Newhall Ranch, S side of Potrero Canyon, S of Potrero Mesa Santa Clarita Valley 335 Comment
  UCR126777  Dudleya lanceolata Mark A. Elvin 2003-6-12 2942 Los Angeles Santa Clarita Valley, Newhall Ranch, south side of Potrero Canyon, south of Potrero Mesa 335 Comment
  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
  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
  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
  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
  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
  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
  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
  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
  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
  UCD64177  Eragrostis superba Chester Perry 1972-7-24 Ventura Lake Piru area, Hathaway Ranch. 914 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
  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
  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
  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
  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
  RSA0092209  Erigeron canadensis Sarah J. De Groot, Noravit Chumchim 2015-7-30 7534 Ventura The Nature Conservancy Vulcan property, east end; Santa Clara River drainage about 1.6 miles up Santa Clara River from confluence with Piru Creek, just southeast of Camulos and ~2.5 miles east-southeast of Piru., About 8.5 miles west of Interstate 5 along Highway 126. North of Oak Ridge, south of Topatopa Mountains. Along the Oak Ridge Fault. 220 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
  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
  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
  SBBG134012  Erigeron foliosus var. foliosus R. Burgess, P. Munro 2005-6-11 6917 Ventura Heritage Valley, cyn on N side of Hwy 126 238 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
  RSA0092210  Eriogonum angulosum Sarah J. De Groot, Noravit Chumchim 2015-7-30 7535 Ventura The Nature Conservancy Vulcan property, east end; Santa Clara River drainage about 1.6 miles up Santa Clara River from confluence with Piru Creek, just southeast of Camulos and ~2.5 miles east-southeast of Piru., About 8.5 miles west of Interstate 5 along Highway 126. North of Oak Ridge, south of Topatopa Mountains. Along the Oak Ridge Fault. 220 Comment
  RSA709374  Eriogonum angulosum A. C. Sanders, Mark A. Elvin 2002-8-26 25580 Los Angeles Western Transverse Range/Santa Clara River Watershed: Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle. 335 Comment
  RSA750962  Eriogonum angulosum Mark A. Elvin 2003-6-19 2949 Los Angeles hills west of San Martinez Grande Canyon and north of Calif. Hwy 126, Newhall Ranch 366 Comment
  SD197874  Eriogonum angulosum Mark A. Elvin 2003-6-19 2949 Los Angeles Hills west of San Martinez Grande Canyon and north of CA Hjighway 126, Newhall Ranch. 366 Comment
  SEINET1004565  Eriogonum angulosum Mark A. Elvin, Kim Marsden 2003-1 297 -B Los Angeles Santa Clarita Valley:Newhall Ranch, SW face of Potrero Mesa. 305 Comment
  SEINET3246222  Eriogonum angulosum Mark A. Elvin 2003-1 2949 Los Angeles Western Transverse Range: hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch. 366 Comment
  UCD99684  Eriogonum angulosum A. C. Sanders 2002-8-26 25580 Los Angeles Western Transverse Range/Santa Clara River Watershed; Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon. WNW of Del Valle. 335 Comment
  UCD99685  Eriogonum angulosum A. C. Sanders 2003-8-5 27112 Los Angeles NE end of Santa Susana Mtns; Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters. 320 Comment
  UCR127629  Eriogonum angulosum A. C. Sanders 2003-8-5 27112 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters 366 Comment
  UCR127660  Eriogonum angulosum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25516 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  UCR127665  Eriogonum angulosum A. C. Sanders, Mark A. Elvin 2002-8-26 25580 Los Angeles Western Transverse Range/Santa Clara River Watershed, Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle 335 Comment
  UCR127670  Eriogonum angulosum Mark A. Elvin, Kim Marsden 2003-8-8 2970 B Los Angeles Santa Clarita Valley, Newhall Ranch, SW face of Potrero Mesa 305 Comment
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  SBBG132027  Eriogonum gracillimum S. J. DeGroot, N. Chumchim 2015-7-30 7535 Ventura Santa Clara River drainage ca. 1.6 mi up Santa Clara River from confluence with Piru Crk, just SE of Camulos and ca. 2.5 mi ESE of Piru, ca. 8.5 mi W of Interstate 5 along Hwy 126; E end of Nature Conservancy Vulcan property 220 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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  IRVC28729  Gnaphalium californicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25504 Los Angeles canyon draining into Santa Clara River Valley from the south off "Round Mtn." (peak 1476), north of Potrero Canyon NE end of Santa Susana Mtns. 305 Comment
  RSA706651  Gnaphalium californicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25504 Los Angeles NE end of Santa Susana Mtns.: canyon draining into Santa Clara River Valley from the south off Round Mtn. (peak 1476), north of Potrero Canyon 305 Comment
  UCR125255  Gnaphalium californicum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25504 Los Angeles NE end of Santa Susana Mtns., canyon draining into Santa Clara River Valley from the south off 'Round Mtn.' (peak 1476), north of Potrero Canyon 305 Comment
  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
  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
  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
  SBBG134021  Helianthus annuus R. Burgess, P. Munro 2005-6-11 6919 Ventura Heritage Valley; cyn on N side of Hwy 126 238 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
  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
  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
  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
  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
  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
  SBBG63109  Heterotheca sessiliflora subsp. fastigiata R. Hoffmann 1931-9-1 Ventura Santa Clara River, 3 mi N of Camulos Comment
  CAS-BOT-BC173252  Isocoma menziesii var. vernonioides A. C. Sanders; Mark A. Elvin 2002-8-26 25582 Los Angeles Western Transverse Range/Santa Clara River Watershed: Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle 335 Comment
  RSA714591  Isocoma menziesii var. vernonioides A. C. Sanders 2002-8-27 25594 Los Angeles Northeastern Santa Susana Mtns./ Santa Clara River Watershed: Newhall Ranch, Santa Clara River Valley, south of Hwy 126. 274 Comment
  IRVC26210  Isomeris arborea A. C. Sanders 2003-6-19 26981 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  SBBG67043  Lupinus microcarpus var. microcarpus R. Hoffmann 1929-4-27 Los Angeles Little Martinez Crk near Castaic 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
  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
  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
  SBBG134028  Malacothrix saxatilis R. Burgess, P. Munro 2005-6-11 6910 Ventura Heritage Valley; cyn on N side of Hwy 126 238 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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  SBBG124347  Pluchea sericea R. Burgess, P. Munro 2003-5-4 5760 Ventura N side of Hwy 126, E of Piru, mile marker 32.47 228 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
  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
  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
  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
  SBBG134015  Pseudognaphalium beneolens R. Burgess, P. Munro 2005-6-11 6918 Ventura Heritage Valley, cyn on N side of Hwy 126 238 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
  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
  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
  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
  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
  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
  RSA0092492  Rumex persicarioides Sarah J. De Groot, Noravit Chumchim 2015-7-30 7533 Ventura The Nature Conservancy Vulcan property, east end; Santa Clara River drainage about 1.6 miles up Santa Clara River from confluence with Piru Creek, just southeast of Camulos and ~2.5 miles east-southeast of Piru., About 8.5 miles west of Interstate 5 along Highway 126. North of Oak Ridge, south of Topatopa Mountains. Along the Oak Ridge Fault. 218 Comment
  SBBG132028  Rumex persicarioides S. J. DeGroot, N. Chumchim 2015-7-30 7533 Ventura Santa Clara River drainage ca. 1.6 mi up Santa Clara River from confluence with Piru Crk, just SE of Camulos and ca. 2.5 mi ESE of Piru, ca. 8.5 mi W of Interstate 5 along Hwy 126; E end of Nature Conservancy Vulcan property 218 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
  RSA0093586  Salix exigua Sarah J. De Groot, Noravit Chumchim 2015-7-30 7530 Ventura The Nature Conservancy Vulcan property, east end; Santa Clara River drainage about 1.6 miles up Santa Clara River from confluence with Piru Creek, just southeast of Camulos and ~2.5 miles east-southeast of Piru., About 8.5 miles west of Interstate 5 along Highway 126. North of Oak Ridge, south of Topatopa Mountains. Along the Oak Ridge Fault. 218 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
  RSA0092075  Salix laevigata Sarah J. De Groot, Noravit Chumchim 2015-7-30 7531 Ventura The Nature Conservancy Vulcan property, east end; Santa Clara River drainage about 1.6 miles up Santa Clara River from confluence with Piru Creek, just southeast of Camulos and ~2.5 miles east-southeast of Piru., About 8.5 miles west of Interstate 5 along Highway 126. North of Oak Ridge, south of Topatopa Mountains. Along the Oak Ridge Fault. 218 Comment
  SBBG132031  Salix laevigata S. J. DeGroot, N. Chumchim 2015-7-30 7531 Ventura Santa Clara River drainage ca. 1.6 mi up Santa Clara River from confluence with Piru Crk, just SE of Camulos and ca. 2.5 mi ESE of Piru, ca. 8.5 mi W of Interstate 5 along Hwy 126; E end of Nature Conservancy Vulcan property 218 Comment
  UC1134930  Salix laevigata P. L. Johannsen 1934-3-6 322 Ventura mouth of Tapo Canyon; Santa Susana Quad. 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
  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
  SBBG58385  Saltugilia australis R. Hoffmann 1929-4-27 Los Angeles Little Martinez Crk 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
  CAS-BOT-BC311857  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1988-10-7 9965 Ventura Santa Clara River near Hwy. 126, ca. 2.25 mi. west of the Los Angeles County line and ca. 4 mi. east of Main Street junction (at Piru). 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
  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
  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
  UCR249060  Scirpus acutus var. occidentalis Peter Rubtzoff 1988-10-7 9965 Ventura Santa Clara River near Hwy 126, c. 2.25 miles west of the Los Angeles County line and c. 4 miles east of Main St. junction (at Piru) 229 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
  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
  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
  UC1126825  Sinapis alba P. L. Johannsen 1934-3-6 321 Los Angeles 2 mi S of Holser Canyon 228 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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  UCR248735  Tamarix ramosissima Peter Rubtzoff 1988-10-7 9969 Ventura Santa Clara River near Hwy 126, c. 2.25 miles west of the Los Angeles County line and c. 4 miles east of Main St. junction (at Piru) 229 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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  UCR248885  Veronica anagallis-aquatica Peter Rubtzoff 1988-10-7 9966 Ventura Santa Clara River near Hwy 126, c. 2.25 miles west of the Los Angeles County line and c. 4 miles east of Main St. junction (at Piru) 229 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



  Copyright © 2019 Regents of the University of California — Updated 11 January 2019
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