34.21640 34.31640 -118.68203 -118.58203 UC/JEPS: Consortium Search Results
Search Results — 856 specimen records retrieved (856 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
  SFV6151  Acacia baileyana K. A. Wilson, T. Gordon, M. H. Grayum 1974-2-8 1348 Los Angeles San Fernando Valley Chatsworth. Box Canyon Road. Comment
  SBBG126678  Achillea millefolium R. Burgess, P. Munro 2011-4-15 8796 Ventura Rocky Peak Rd, grassy area to E of rd; Santa Susanna Mtns 581 Comment
  UCSB43905  Achnatherum coronatum Green, Lisa 1980-5-30 Los Angeles slope of N side of Mayan Dr, 0.25 mi from Topanga Canyon Rd. 396 Comment
  UCSB71941  Acmispon argophyllus Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  SBBG122460  Acmispon argophyllus var. argophyllus R. Burgess, P. Munro 2001-3-23 4389 Ventura Sage Ranch, W side of Black Cyn Rd, Simi Hills 563 Comment
  SBBG126676  Acmispon argophyllus var. argophyllus R. Burgess, P. Munro 2011-4-15 8798 Ventura Rocky Peak Rd, amongst boulders over first pass; Santa Susanna Mtns 658 Comment
  UCD103996  Acmispon argophyllus var. argophyllus Daryl Koutnik 1978-3-29 s.n. Los Angeles Chatsworth Reservoir at the west end of the San Fernando Valley. 365 Comment
  SBBG122402  Acmispon glaber R. Burgess, P. Munro 1994-2-5 1177 Ventura open space E of Flanagan Street; Simi Valley 487 Comment
  SBBG122459  Acmispon glaber R. Burgess, A. Burgess, P. Munro 2000-10-31 4281 Ventura N end of Kuehner Rd, Hummingbird Ranch, S side of Santa Susana Mtns 426 Comment
  UCD104128  Acmispon glaber Marc Meyer; Mike Alvord 1993-5-1 23 Los Angeles San Gabriel Mts., Chatsworth, at end of Desoto Ave. by 118 Fwy. 400 Comment
  LA105540  Acmispon glaber var. glaber Barry A. Prigge; 1989-5-13 8749 Los Angeles Santa Susana Mountains, Blind Canyon, ca. 1.7 mi. NW of junction of Simi Valley Freeway and Topanga Blvd, N of Chatsworth 457 Comment
  OBI13002  Acmispon glaber var. glaber Unknown 1960-5-29 s.n. Los Angeles Chatsworth Lakeside Comment
  LA202291  Acmispon micranthus Arthur C. Gibson; 2005-3-27 5043 Los Angeles Simi Hills, Box Canyon, Box Canyon Road, N of Chatsworth Lake Comment
  SBBG126665  Acmispon micranthus R. Burgess, P. Munro 2011-4-15 8790 Ventura Rocky Peak Rd, grassy area to E of rd; Santa Susanna Mtns 581 Comment
  LA201182  Acmispon wrangelianus Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  HSC18433  Adenostoma fasciculatum C. E. Fellows 1965-4-13 34 Los Angeles 2 mi. S of Hwy. 118 on Box Canyon Rd., Chatsworth Comment
Read comments
Oct 1 2014
  LA105352  Adenostoma fasciculatum Barry A. Prigge; 1989-4-23 8426 Los Angeles Santa Susana Mountains, between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  LA200815  Adenostoma fasciculatum Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  SBBG126737  Adenostoma fasciculatum var. fasciculatum R. Burgess, P. Munro 2011-4-15 8795 Ventura Rocky Peak Rd, amongst boulders E of rd; Santa Susanna Mtns 581 Comment
  LA3989  Adiantum jordanii A. M. Johnson; 1934-3-16 4345 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  SFV1938  Albizia lophantha P. M. Kennamer 1958-2-16 10 Los Angeles Santa Susana Mountains Santa Susana Pass. Stream bed 0.25 miles from Sphan's Movie Randh on Santa Susana Pass Road. 915 Comment
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Oct 1 2014
  UCR11616  Albizia lophantha A. M. Johnson 1934-3-16 4370 Ventura Johnson's Ranch, on side road, Simi Hills, Santa Susana Mountains, beyond Chatsworth Comment
  UC64221  Allium peninsulare var. peninsulare H. M. Hall May 1902 3234 Los Angeles Chatsworth Hills Comment
  RSA667017  Allophyllum glutinosum Scott D. White 1995-10-19 3714 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  LA201789  Amaranthus blitoides Arthur C. Gibson; 2003-9-3 4843 Los Angeles 289 Comment
  SBBG115248  Amaranthus blitoides R. Burgess, P. Munro 2000-10-31 4284 Ventura N end of Kuehner Rd, Hummingbird Ranch, S side of Santa Susana Mtns 426 Comment
  SBBG115310  Ambrosia acanthicarpa R. Burgess, P. Munro 2000-10-31 4279 Ventura N end of Kuehner Rd, Hummingbird Ranch, S side of Santa Susana Mtns 426 Comment
  IRVC29178  Ambrosia psilostachya A. C. Sanders, Lee Jones 2004-11-7 29024 Los Angeles site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy San Fernando Valley 351 Comment
  UCR143925  Ambrosia psilostachya A. C. Sanders, Lee Jones 2004-11-7 29024 Los Angeles San Fernando Valley, site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy 351 Comment
  SBBG133321  Amorpha californica var. californica R. Burgess, P. Munro, S. Chaney, D. Richards 2005-4-16 6778 Ventura Corriganville Park, E end of Simi Valley; Simi Valley 304 Comment
  VVC3363  Anagallis arvensis Tim Thomas 1973-5-10 40 Ventura Transverse Range, Eastern Simi Hills, south east slope of Chatsworth Peak, El Rancho Adobe, vic Box Cyn. 564 Comment
  SFV798  Anemopsis californica P. G. Kilburn 1958-6-25 s. n. Los Angeles San Fernando Valley NW edge of San Fernando Valley at mouth of Browns Canyon near stream. 300 Comment
  CHSC100213  Antirrhinum coulterianum John Dittes 2006-6-4 1395 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.4 air-miles northwest of Chatsworth Highschool, ca. 1.1 air-mile west of Topanga Blvd., ca. 0.7 air-mile east x northeast of Santa Susana Pass. 403 Comment
  RSA11019  Antirrhinum coulterianum Carl B. Wolf 1928-4-1 1609 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  RSA627558  Antirrhinum coulterianum Sandy Leatherman, Scott D. White 1998-5-8 39 Los Angeles Santa Monica Mountains: South of Woolsey Canyon Road approximately 0.25 mile down the existing dirt road. 366 Comment
  RSA739613  Antirrhinum coulterianum John Dittes 2006-6-4 1395 Los Angeles Western Transverse Range, Simi Hills, N of Santa Susana Road, 2.4 air miles NW of Chatsworth High School, 1.1 air miles W of Topanga Blvd, 0.7 air mile ENE of Santa Susana Pass. 404 Comment
  RSA615863  Antirrhinum multiflorum Scott D. White 1995-10-19 3698 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  SFV12924  Antirrhinum multiflorum M. J. Thor 1982-5-19 111 Ventura Santa Susana Mountains On dirt road, off Box Canyon Expressway - North American Cut Off. Northeast of Rockadyne Plant. On property about to be developed. Comment
  SFV12925  Antirrhinum multiflorum M. J. Thor 1982-5-19 111 Ventura Santa Susana Mountains On dirt road, off Box Canyon Expressway - North American Cut Off. Northeast of Rockadyne Plant. On property about to be developed. Comment
  UCR118635  Antirrhinum multiflorum O. F. Clarke 1981-3-22 s.n. Los Angeles Santa Susana Mtns., about 2 miles west of Chatsworth [probably in vicinity of Santa Susana Pass] Comment
  UCR88698  Antirrhinum multiflorum Scott D. White 1995-10-19 3698 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  LA34302  Apiastrum angustifolium A. M. Johnson; 1934-11-16 4376 Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  SBBG133238  Apiastrum angustifolium R. Burgess, P. Munro, S. Chaney, D. Richards 2005-4-26 6779 Ventura Corriganville Park, E end of Simi Hills; Simi Valley 304 Comment
  SFV2576  Apiastrum angustifolium M. L. Vincent 1963-5-7 335 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.5 miles off the main road on a path. 489 Comment
  CAS-BOT-BC23056  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-5-29 6582 Ventura Santa Susana Pass Comment
  LA105349  Arctostaphylos glandulosa subsp. glandulosa Barry A. Prigge; 1989-4-23 8429 Los Angeles Santa Susana Mountains, between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  LA105369  Arctostaphylos glandulosa subsp. glandulosa Barry A. Prigge; 1989-4-23 8471 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 457 Comment
  SEINET3918779  Aristida adscensionis Keith Dobry 1990-3-25 230 Los Angeles Simi Hills, at Dayton Canyon.; 0 Comment
  SFV19017  Artemisia tridentata subsp. vaseyana S. Kimball, P. Wilson 2001-6-15 212 Inyo Sierra Nevada On a slope near a creek. 2904 Comment
  SD186058  Asclepias californica A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26046 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway. 366 Comment
Read comments
Apr 10 2014
  RSA617147  Asclepias fascicularis Scott D. White 1995-10-19 3720 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  RSA785817  Asclepias fascicularis K. Dobry 1990-3-25 229 Los Angeles Simi Hills at Dayton Canyon Comment
  UCR88679  Asclepias fascicularis Scott D. White 1995-10-19 3720 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  LA3684  Aspidotis californica Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  SBBG116045  Aspidotis californica R. Burgess, P. Munro 2000-10-31 4282 Ventura N end of Kuehner Rd, Hummingbird Ranch, S side of Santa Susana Mtns 426 Comment
  SBBG116178  Aspidotis californica R. Burgess, P. Munro 1994-4-17 1228 Ventura Hummingbird Trail, N end of Keuhner Rd, Santa Susana Mtns 396 Comment
  SBBG126742  Aspidotis californica R. Burgess, P. Munro 2011-4-15 8792 Ventura Rocky Peak Rd, grassy area to E of rd; Santa Susanna Mtns 581 Comment
  UCSB71946  Aspidotis californica Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  UCSB8246  Aspidotis californica Wedberg, H. 1958-3-9 Los Angeles 1mi N of Chatsworth Comment
  UCR116523  Astragalus brauntonii Robert Noll 2000-6-13 s.n. Los Angeles Western Transverse Range, Chatsworth, West Hills subdivision, off Valley Circle Blvd. near Roscoe Blvd., c. 0.5 mi up Dayton Canyon from Valley Circle 305 Comment
  CAS-BOT-BC182300  Astragalus didymocarpus var. didymocarpus Le Roy Abrams 1901-4-4 1322 Los Angeles Chatsworth Park Comment
  POM50159  Astragalus didymocarpus var. didymocarpus L. R. Abrams 1901-4-4 1322 Los Angeles Chatsworth Park. Comment
  CAS-BOT-BC182835  Astragalus douglasii Le Roy Abrams 1901-4-5 1338 Los Angeles Chatsworth Park Comment
  POM50155  Astragalus pomonensis L. R. Abrams 1901-4-5 1338 Los Angeles Chatsworth Park Comment
Read comments
Mar 6 2011
  SD232679  Astragalus trichopodus John Wear 1994-2-24 94 4 Ventura Simi Valley, White Oaks Park, ca. 2 miles WSW of Rocky Peak (at the Los Angeles Co. lone), N side of the Simi Valley (118) Freeway, N of Santa Susana Knolls. 366 Comment
  UCR87859  Astragalus trichopodus John Wear 1994-2-24 94- 4 Ventura Simi Valley, White Oaks Park, c. 2 mi. WSW of Rocky Peak (at the Los Angeles Co. line), north side of the Simi Valley Freeway (118), north of Santa Susana Knolls 366 Comment
  CAS-BOT-BC199087  Astragalus trichopodus var. phoxus Le Roy Abrams 1901-4-5 1345 Los Angeles Near Chatsworth Park, San Fernando Mts. Comment
  LA105538  Astragalus trichopodus var. phoxus Barry A. Prigge; 1989-5-13 8747 Los Angeles Santa Suzana Mountains, Blind Canyon, slope of canyon, ca 1.7 mi NW of the junction of Simi Valley Fwy and Topanga Blvd, N of Chatsworth. 457 Comment
  POM50161  Astragalus trichopodus var. phoxus L. R. Abrams 1901-4-5 1343 Los Angeles Chatsworth Park Comment
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Mar 6 2011
  SBBG116179  Astragalus trichopodus var. phoxus R. Burgess, P. Munro 1994-2-5 1175 Ventura open space E of Flanagan Street; Simi Valley 487 Comment
  SBBG116043  Athysanus pusillus R. Burgess, P. Munro 2001-3-23 4383 Ventura Sage Ranch, W side of Black Cyn Rd, Simi Hills 563 Comment
  LA105404  Avena barbata Barry A. Prigge; 8507 Los Angeles between Falls Creek and Devil Canyon: ca 1 air mi NE of junction of Simi Valley Frwy and Topanga Canyon blvd 502 Comment
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Nov 11 2014
  RSA615860  Baccharis pilularis Scott D. White 1995-10-19 3695 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  UCR88681  Baccharis pilularis Scott D. White 1995-10-19 3695 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  OBI16946  Baccharis salicifolia Unknown 1960-3-29 Los Angeles Chatsworth lakeside 274 Comment
  POM305331  Baccharis salicifolia Henry J. Ramsey, Henry J. Ramsey 1937-3-22 623 Los Angeles Santa Susana Pass 293 Comment
  UC1118902  Baccharis salicifolia subsp. salicifolia P. L. Johannsen 1934-1-27 245 Los Angeles Mouth of Brown's Canyon (Santa Susana); , Brown's Canyon 320 Comment
  UCD129477  Baccharis salicifolia subsp. salicifolia Antonio F. Machado; Lisa Seemann 1993-3-5 21 -b Los Angeles Santa Susana Mtns., southwest side of Stony Point at the jcn. Of Santa Susana Pass and Topanga Canyon. Highway. 400 Comment
  UCSB70846  Boechera californica Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  CAS-BOT-BC100401  Brickellia californica David D. Keck 1932-10-14 1954 Los Angeles North of Chatsworth city limits on first hill to west of Topango Canyon Blvd. (Santa Susana Ave.) Comment
  SBBG116240  Brickellia californica R. Burgess, P. Munro 2000-10-31 4280 Ventura N end of Kuehner Rd, Hummingbird Ranch, S side of Santa Susana Mtns 426 Comment
  RSA616535  Brickellia nevinii Scott D. White 1995-10-19 3712 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  SD232599  Brickellia nevinii Scott White 1995-10-19 3704 Los Angeles Santa Susana Mts., above Chatsworth about 0.1-0.4 air mi. N of Chatsworth Oaks Park (on Valley Circle Bl.) 0.7-1.0 air mi SE of Chatsworth Pk. 334 Comment
  UCR88684  Brickellia nevinii Scott D. White 1995-10-11 3692 Los Angeles Santa Susana Mtns., Santa Susana Mtns, south of Santa Susana Pass Rd 500 Comment
  UCR88692  Brickellia nevinii Scott D. White 1995-10-19 3704 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  POM50852  Bromus carinatus Le Roy Abrams 1901-04 s.n. Los Angeles San Fernando Mts. 762 Comment
  CAS-BOT-BC149186  Bromus carinatus var. carinatus Le Roy Abrams 1901-4-1 1345 Los Angeles San Fernando Mountain. Comment
  CAS-BOT-BC149189  Bromus carinatus var. carinatus Le Roy Abrams 1901-4-1 1345 Los Angeles San Fernando Mountains. Comment
  LA105338  Bromus diandrus Barry A. Prigge; 1989-4-23 8412 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  LA105374  Bromus diandrus Barry A. Prigge; 1989-4-23 8477 .1 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 429 Comment
  SEINET3922243  Bromus diandrus Keith Dobry 1990-3-25 108 Los Angeles Simi Hills, at Dayton Canyon.; 0 Comment
  LA105354  Bromus hordeaceus Barry A. Prigge; 1989-4-23 8424 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  POM363870  Bromus hordeaceus H. L. Bauer 1931-4-1 sn. Los Angeles Santa Suzana Pass. [Santa Susana] Comment
  LA105381  Bromus madritensis Peter H. Raven; 1989-4-23 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air miles NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 429 Comment
  LA105382  Bromus pseudolaevipes Barry A. Prigge; 1989-4-23 8490 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 429 Comment
  LA105337  Bromus rubens Barry A. Prigge; 1989-4-23 8413 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  LA105413  Bromus rubens Barry A. Prigge; 8517 Los Angeles Santa Susana Mountains, between Falls Creek and Devil Canyon: ca. 1 air mi. NE of junction of Simi Valley Frwy and Topanga Canyon Blvd 502 Comment
  SEINET7072494  Calandrinia ciliata A. G. Vestal 1963-3-29 s.n. Ventura About 1.5 miles southeast of Simi near Chatsworth Reservoir. Coordinate datum: NAD27. Comment
  UCSB70936  Calandrinia ciliata Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  UCR88696  Calochortus Scott D. White 1995-10-19 3700 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  RSA716545  Calochortus catalinae Andrea Edwards, Pam De Vries, David Hughes 2006-4-18 120 Los Angeles Calabasas USGS quad; in Dayton Canyon within preserved open space area. 366 Comment
  UCR12185  Calochortus catalinae Art Whistler 1966-5-17 s.n. Los Angeles San Fernando Valley, Canoga Park, near the junction of Valley Circle Drive and Roscoe Street, West of Cohasset Street Comment
  SFV21309  Calochortus clavatus C. T. Walsh 2004-5-9 16 Ventura Santa Susana Mountains Chumash Trail. 600 Comment
  UCR3969  Calochortus clavatus Art Whistler 1965-5-1 s.n. Los Angeles Chatsworth, Mayan Dr. c. 2 mi north of its intersection with Hwy 118 between Chatsworth and Simi Valley 366 Comment
  RSA627539  Calochortus clavatus var. gracilis Sandy Leatherman, Brian Daniels 1998-5-8 3 Los Angeles Santa Monica Mountains: S of Woolsey Canyon Road, down the existing dirt road. 366 Comment
  RSA377424  Calochortus plummerae Geo L. Moxley, Grinnell 1916-6-15 478 Los Angeles Hills north of Chatsworth. 366 Comment
  RSA627562  Calochortus plummerae Sandy Leatherman, Brian Daniels 1998-5-27 36 Los Angeles Santa Monica Mountains: south of Woolsey Canyon Road approx. .25 mile down the existing dirt road. 500 Comment
  SBBG15444  Calochortus plummerae C. B. Hardham 1958-6-14 3688 Los Angeles Chatsworth Hills Comment
  UCR20358  Calycadenia tenella T. W. Minthorn 1924-5-30 s.n. Ventura Santa Susana Mts., Santa Susana Pass [Ventura or Los Angeles co., near line, if location correct, but date may be wrong -- perhaps 17 May is correct. On 30 May Minthorn was driving from Dana Point (Orange Co.) to Solana Beach (San Diego Co). If date is correct, the location is probably wrong and plant was collected within the known range of this species. Otherwise, this is the NW-most location.] 476 Comment
  UCR87862  Calystegia macrostegia John Wear 1994-2-24 94- 8 Ventura Simi Valley, White Oaks Park, c. 2 mi. WSW of Rocky Peak (at the Los Angeles Co. line), north side of the Simi Valley Freeway (118), north of Santa Susana Knolls 366 Comment
  CAS-BOT-BC215782  Calystegia macrostegia subsp. cyclostegia Le Roy Abrams 1901-4-5 1359 Los Angeles Chatsworth Park, San Fernando Mts. Comment
  RSA650296  Calystegia macrostegia subsp. cyclostegia L. W. Fellows 1948-2-28 s.n. Los Angeles Fellows Ranch. Chatsworth. Comment
  LA105334  Calystegia macrostegia subsp. intermedia Barry A. Prigge; 1989-4-23 8416 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  LA105361  Calystegia macrostegia subsp. intermedia Barry A. Prigge; 1989-4-23 8457 Los Angeles Santa Susana Mountains, Devil Canyon: 1.4 air mi. NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 518 Comment
  LA105389  Calystegia macrostegia subsp. intermedia Barry A. Prigge; 8523 Los Angeles between Falls Creek and Devil Canyon: ca 1 air mi NE of junction of Simi Valley Frwy and Topanga Canyon blvd 502 Comment
Read comments
Nov 11 2014
  OBI15310  Calystegia macrostegia subsp. intermedia Unknown 1960-5-29 s.n. Los Angeles Chatsworth Lakeside Comment
  POM50594  Calystegia macrostegia subsp. intermedia L. R. Abrams 1901-04 1359 Los Angeles San Fernando Mts. 762 Comment
  RSA724374  Camissonia K. Dobry 1990-3-25 d- 390 Los Angeles Simi Hills at Dayton Canyon. Comment
  RSA11018  Camissonia californica Carl B. Wolf 1928-4-1 1610 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  RSA449030  Camissonia micrantha Anstruther Davidson 1911-5-28 2818 Los Angeles Chatsworth Park. Comment
  UCD103459  Camissoniopsis bistorta Daryl Koutnik 1978-4-14 359 Los Angeles Simi Hills at W end of Devonshire Blvd. 365 Comment
  CHSC100165  Camissoniopsis hirtella John Dittes 2006-6-4 1391 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.3 air-miles northwest of Chatsworth Highschool, ca. 0.9 air-mile west of Topanga Blvd., ca. 0.8 air-mile east x northeast of Santa Susana Pass. 381 Comment
  LA46788  Camissoniopsis intermedia Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass Comment
  LA50470  Camissoniopsis intermedia A. M. Johnson; 1934-3-16 4340 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  SBBG37389  Camissoniopsis micrantha R. Burgess, P. Munro 1997-3-8 2180 Ventura Rocky Peak Rd, N of St Hwy 118; Santa Susana Mtns 548 Comment
  SFV11237  Camissoniopsis micrantha D. K. Shayne 1966-3-16 137 Los Angeles Santa Susana Mountains Stony Point. 330 Comment
  SFV11231  Capsella bursa-pastoris D. K. Shayne 1966-3-16 125 Los Angeles Santa Susana Mountains Stony Point. 330 Comment
  LA18016  Carex triquetra Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass Comment
  LA200845  Castilleja affinis subsp. affinis D. Bradbury; J. Sauer 1969-7-14 4610 Los Angeles Comment
  SFV3411  Castilleja exserta M. L. Vincent 1963-5-7 346 Los Angeles Santa Susana Mountains Santa Susana Pass at the foot of the pass. 0.25 miles off the road in a meadow. 310 Comment
  LA200859  Castilleja exserta subsp. exserta Unknown; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass Comment
  LA200849  Castilleja foliolosa Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  POM8129  Castilleja foliolosa Fordyce Griffiths Jr. 1917-4-3 s.n. Los Angeles Hills near Chatsworth Park. Comment
  A425498  Ceanothus crassifolius L. Abrams 1901-4-5 1364 Unknown San Fernando Mt. Comment
  A425503  Ceanothus crassifolius L. Abrams 1901-4-5 1364 Unknown San Fernando Mts. Comment
  CAS-BOT-BC48729  Ceanothus crassifolius Le Roy Abrams 1901-4-5 1364 Los Angeles San Fernando Mts, near Chatworth Park 304 Comment
  LA105403  Ceanothus crassifolius Barry A. Prigge; 8504 Los Angeles Santa Susana Mountains, Blind Canyon, ca 1.5 air mi. NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 449 Comment
  UCD111430  Ceanothus crassifolius Daryl Koutnik 1978-3-10 s.n. Los Angeles on east facing hillside in Browns Canyon in the Santa Susanna Mountains. 411 Comment
  UCR3982  Ceanothus crassifolius Art Whistler 1965-3-27 s.n. Los Angeles Transverse Range; Santa Susana Mtns., fire road through a canyon about 0.5 mi west of Chatsworth Reservoir in Chatsworth 274 Comment
  UCSB50693  Ceanothus crassifolius Green, Lisa 1980-2-15 Los Angeles About 0.5 mile north of the Simi Valley Fwy between DeSoto Ave. and Canoga Ave. 365 Comment
  POM2714  Ceanothus megacarpus C. L. Hitchcock 1918-7-3 7 Los Angeles San Fernando Side of Topango [Topanga] Canyon Road. Comment
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May 29 2014
  UCR3984  Ceanothus megacarpus Art Whistler 1965-3-27 s.n. Los Angeles Transverse Range; Santa Susana Mtns., fire road through a canyon about 0.5 mi west of Chatsworth Reservoir in Chatsworth 274 Comment
  CAS-BOT-BC50494  Ceanothus oliganthus Lester Rowntree 1938-3-8 s.n. Los Angeles Santa Susan Pass Comment
  CAS-BOT-BC63600  Ceanothus oliganthus Carl B. Wolf 1928-4-1 1620 Ventura Santa Susana Pass, 1/2 mi. below the summit. 457 Comment
  LA105367  Ceanothus oliganthus Barry A. Prigge; 1989-4-23 8468 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air miles NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 510 Comment
  LA43645  Ceanothus oliganthus A. M. Johnson; 1934-3-16 4343 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  LA45332  Ceanothus oliganthus Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  LA45333  Ceanothus oliganthus A. M. Johnson; 1934-3-16 4343 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  POM305313  Ceanothus oliganthus Henry J. Ramsey, Henry J. Ramsey 1937-3-22 633 Los Angeles Santa Susana Pass 489 Comment
  RSA398903  Ceanothus oliganthus Franklin W. Klepinger 1938-3-26 s.n. Los Angeles Santa Susana Pass. Comment
  RSA398909  Ceanothus oliganthus Florence Collins 1942-2-24 s.n. Ventura Santa Susana Pass Comment
  RSA399726  Ceanothus oliganthus D. A. Young 1969-3-15 P- 382 Los Angeles 3 mi. NW of Chatsworth, CA S. of Hiway 118 on Santa Susana Rd. Southern Oak Wd. 293 Comment
  UCD112294  Ceanothus oliganthus M. Vincent 1963-5-7 345 Los Angeles Santa Susana Mts., 1/2 mile east of the Ventura County line near the top of the pass. Santa Susana Pass Road, 1/2 mile off of the road on a small path. 488 Comment
  UCR3985  Ceanothus oliganthus Art Whistler 1965-3-27 s.n. Los Angeles Transverse Range; Santa Susana Mtns., fire road through a canyon about 0.5 mi west of Chatsworth Reservoir in Chatsworth 274 Comment
  UCSB71942  Ceanothus oliganthus Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  LA201541  Ceanothus oliganthus var. oliganthus Arthur C. Gibson; 2001-4-8 4890 Los Angeles SIMI HILLS, Chatsworth, Santa Susana fire road at NE-most Simi Hills. 358 Comment
  SBBG116380  Ceanothus oliganthus var. oliganthus R. Burgess, P. Munro 1997-3-8 2178 Ventura Rocky Peak Rd, N of St Hwy 118; Santa Susana Mtns 548 Comment
  UC1070899  Ceanothus oliganthus var. oliganthus P. L. Johannsen 1934-1-24 237 Los Angeles Santa Susana Pass Santa Susana quad. 457 Comment
  UC1071155  Ceanothus oliganthus var. oliganthus R. St. John 1933-3-18 348 Los Angeles Santa Susana Pass Santa Susana quad. 457 Comment
  UC56263  Ceanothus oliganthus var. oliganthus H. M. Hall May 1902 3249 Los Angeles Head of San Fernando Valley Comment
  CHSC59637  Cenchrus echinatus Daryl Koutnik; Jeffrey Koutnik 1978-7-27 Ventura Along roadside. Santa Susanna Pass just west of the Los Angeles-Ventura County line. 396 Comment
  HSC83401  Cenchrus echinatus D. L. Koutnik, Jeffrey Koutnik 1978-7-27 Ventura Santa Susanna Pass just W of the Los Angeles-Ventura County line 396 Comment
  UCD57797  Cenchrus echinatus Daryl Koutnik; Jeffrey Koutnik 1978-7-27 s.n. Ventura Santa Susanna Pass, just W of the Los Angeles-Ventura County line. 396 Comment
  CAS-BOT-BC272068  Centaurea melitensis Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susana Pass, Los Angeles - Ventura line Comment
  CAS-BOT-BC142142  Cercocarpus betuloides John Thomas Howell 1947-7-17 23376 Los Angeles East side of Santa Susana Pass Comment
  RSA453264  Cercocarpus betuloides Geo. L. Moxley 1916-6-15 493 Los Angeles Brown's Canyon Comment
  RSA453281  Cercocarpus betuloides Howard Mullins 1931-3-15 s.n. Los Angeles Santa Susana Pass Comment
  UCSB71943  Cercocarpus betuloides Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  CAS-BOT-BC142103  Cercocarpus betuloides var. betuloides Moxley; Grinnell 1916-6-15 493 Los Angeles Brown's Canyon, Santa Susana Mts. Comment
  LA47759  Cercocarpus betuloides var. betuloides Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  CHSC100187  Chaenactis artemisiifolia John Dittes 2006-6-4 1394 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.4 air miles northwest of Chatsworth High School, ca. 1.1 air mile west of Topanga Blvd. ca. 0.7 air miles east x northeast of Santa Susana Pass. 403 Comment
  RSA739614  Chaenactis artemisiifolia John Dittes 2006-6-4 1394 Los Angeles Western Transverse Range, Simi Hills, N of Santa Susana Road, 2.4 air miles NW of Chatsworth High School, 1.1 air miles W of Topanga Blvd, 0.7 air mile ENE of Santa Susana Pass. 404 Comment
  CAS-BOT-BC277519  Chaenactis glabriuscula var. lanosa Le Roy Abrams 1901-4-1 1341 Los Angeles Chatsworth Park Comment
  SEINET7073548  Chamaesyce albomarginata A. G. Vestal 1963-3-29 s.n. Ventura About 1.5 miles southeast of Simi near Chatsworth Reservoir. Coordinate datum: NAD27. Comment
  SEINET7073549 Image available Chenopodium californicum A. G. Vestal 1963-3-29 s.n. Ventura About 1.5 miles southeast of Simi near Chatsworth Reservoir. Coordinate datum: NAD27. Comment
  UCD98107  Chenopodium californicum Daryl Koutnik 1978-4-14 358 Los Angeles Simi Hills at W end of Devonshire Blvd. 365 Comment
  CAS-BOT-BC252765  Chorizanthe parryi var. fernandina Le Roy Abrams 1901-4-1 1337 Los Angeles Chatsworth Park Comment
  POM2186  Chorizanthe parryi var. fernandina L. R. Abrams 1901-4-4 1337 Los Angeles Chatsworth Park. Comment
  CAS-BOT-BC244800  Chorizanthe staticoides John Thomas Howell 1931-5-29 6585 Los Angeles Santa Susana Pass. On a burn in chaparral Comment
  RSA392667  Chorizanthe staticoides Geo. L. Moxley, Grimmell 1916-6-15 481 Los Angeles Hills near Santa Susana Pass. Comment
  RSA627560  Chorizanthe staticoides Sandy Leatherman, Brian Daniels 1998-5-27 37 Los Angeles Santa Monica Mountains: south of Woolsey Canyon Road approx. .25 mile down the existing dirt road. 366 Comment
  RSA627561  Chorizanthe staticoides Sandy Leatherman, Brian Daniels 1998-5-27 37 Los Angeles Santa Monica Mountains: south of Woolsey Canyon Road approx. .25 mile down the existing dirt road. 366 Comment
  RSA65076  Chorizanthe staticoides J. T. Howell 1931-5-29 9377 Los Angeles East summit of Santa Susana Pass. Comment
  UCR124966  Chorizanthe staticoides Geo. L. Moxley, Grinnell 1916-6-15 481 Los Angeles Western Transverse Ranges, Hills near Santa Susana Pass, Santa Susana Mtns. 500 Comment
  OBI51931  Cirsium occidentale var. californicum Tony Simon 1994-5-19 s.n. Los Angeles Brown Cyn, Desoto exit 118 fwy 61 Comment
  UCD130582  Cirsium occidentale var. coulteri Kathy Tajbakhsh 1996-5-2 20 Los Angeles Rocky Point Park, Chatsworth, Santa Susana Mountains, next to information stand. Comment
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Dec 16 2015
  CAS-BOT-BC285717  Cirsium occidentale var. occidentale John Thomas Howell 1931-5-29 6580 Ventura Santa Susana Pass Comment
  SFV20428  Cirsium occidentale var. occidentale I. Panferova 2004-5-4 s. n. Ventura Simi Valley By Santa Susana County Park. 305 Comment
  POM3128  Clarkia bottae M. Hitchcock 1918-7-3 6 Los Angeles San Fernando Side of Topango [Topanga] Canyon Road. Comment
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May 29 2014
  LA201882  Clarkia epilobioides Arthur C. Gibson; 2003-4-15 4990 Los Angeles Simi Hills, Box Canyon, along hiking trail along Box Canyon Rd, ca 0.5 km S of Pioneer Pass 496 Comment
  RSA628622  Clarkia epilobioides Sandy Leatherman, B. Daniels 1998-5-8 1 Los Angeles Santa Monica Mountains: south of Woolsey Canyon Road approx. 1 mile down the existing dirt road. 366 Comment
  VVC3371  Clarkia purpurea Tim Thomas 1973-5-10 41 Ventura Transverse Range, Eastern Simi Hills, south east slope of Chatsworth Peak, El Rancho Adobe, vic Box Cyn. 564 Comment
  LA45557  Clarkia purpurea subsp. quadrivulnera Carl Epling; 1926-4-10 sn Los Angeles Simi Hills - Santa Susana Mountains, Santa Susana Pass Comment
  SFV20422  Clarkia purpurea subsp. quadrivulnera E. Guerrero 2003-5-15 21 Ventura Simi Valley Simi Valley. Kuehner Drive, just north of Highway 118. 335 Comment
  SFV2483  Clarkia purpurea subsp. quadrivulnera M. L. Vincent 1963-5-7 339 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.25 miles off the main road at the top of the pass on a small path. 489 Comment
  RSA627559  Clarkia unguiculata Sandy Leatherman, Brian Daniels 1998-5-27 38 Los Angeles Santa Monica Mountains: south of Woolsey Canyon Road approx. .25 mile down the existing dirt road. 366 Comment
  UCSB45825  Clarkia unguiculata Green, Lisa 1980-5-30 Los Angeles 1/4 mi. N. of the Simi Valley Freeway near Iverson Rd. 426 Comment
  SFV1189  Claytonia perfoliata M. L. Vincent 1963-5-7 343 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.5 miles off the main road on a path. 489 Comment
  SFV1190  Claytonia perfoliata M. L. Vincent 1963-5-7 342 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.5 miles off the main road on a path. 489 Comment
  LA105379  Collinsia parryi Barry A. Prigge; 1989-4-23 8484 Los Angeles Santa Susana Mountains, Devil Canyon: 1.4 air mi. NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 429 Comment
  UCR241112  Collinsia parryi Tim Thomas 1991-5-2 1428 Ventura Transverse Range, east end of the Simi Hills, Sage Ranch, small drainage on east end of park 604 Comment
  VVC2152  Collinsia parryi Tim Thomas 1991-5-2 1428 Ventura Transverse Range., East end of the Simi Hills; Sage Ranch, small drainage on east end of park. 604 Comment
  UCR88690  Conyza canadensis Scott D. White 1995-10-19 3706 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  SD232601  Corethrogyne filaginifolia John Wear 1994-2-24 94 7 Ventura Simi Valley, White Oaks Park, ca. 2 miles WSW of Rocky Peak (at the Los Angeles Co. line) N side of the Simi Valley (118) Freeway, N of Santa Susana Knolls. 366 Comment
  SBBG125101  Corethrogyne filaginifolia var. filaginifolia R. Burgess, P. Munro 1994-2-5 1176 Ventura open space E of Flanagan Street; Simi Valley 487 Comment
  LA200399  Crassula connata A. M. Johnson; 1934-3-16 4372 Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  RSA724379  Crassula connata K. Dobry 1990-3-25 d- 109 Los Angeles Simi Hills at Dayton Canyon Comment
  SBBG126722  Crassula connata R. Burgess, P. Munro 2011-4-15 8799 Ventura Rocky Peak Rd, amongst boulders over first pass; Santa Susanna Mtns 658 Comment
  SFV1571  Crassula connata M. L. Vincent 1963-5-7 340 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.5 miles off the main road on a path. 489 Comment
  SFV18160  Crassula connata M. D. Morgan 2001-3-22 s. n. Ventura Santa Susana Mountains Stony Point Park. Along an open area next to trail. 381 Comment
  JEPS31086  Crocanthemum scoparium var. vulgare W. L. Jepson 1920-4-8 8469 Los Angeles near San Fernando Valley; Santa Susana Pass Comment
  LA201911  Croton californicus Arthur C. Gibson; 2003-6-14 4980 Los Angeles Simi Hills, NW edge Chatsworth Reservoir just E of Valley Circle Blvd, near Chatsworth Lake Manor Comment
  LA204934  Croton californicus Carl Epling; 1926-4-10 Los Angeles Simi Hills, Santa Susanna Pass, Comment
  POM49197  Cryptantha flaccida L. R. Abrams 1901-4-4 1329 Los Angeles Chatsworth Park. Comment
  HSC3615  Cryptantha intermedia David Porter 1965-5-6 Los Angeles 1 mi. N of Chatsworth, Simi Hills 351 Comment
  LA200291  Cryptantha muricata A. M. Johnson; 1934-3-16 4339 a Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  SFV20420  Cryptantha muricata E. Guerrero 2003-4-15 11 Ventura Santa Susana Mountains Santa Susana Pass, in park near Rocky Peak Road off of Highway 118. 490 Comment
  UCR50374  Cryptantha muricata F. R. Fosberg 1929-4-12 51171 Ventura Santa Susana Mtns., top of Santa Susana Pass [near Los Angeles Co. line] 488 Comment
  RSA0079587  Cryptantha muricata var. muricata C. B. Wolf 1928-4-1 1613 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  UCR143927  Cucurbita foetidissima A. C. Sanders, Lee Jones 2004-11-7 29029 Los Angeles San Fernando Valley, site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy 351 Comment
  CAS-BOT-BC224474  Cuscuta californica John Thomas Howell 1947-7-17 23377 Los Angeles Santa Susana Pass, east side Comment
  SBBG120498  Datura wrightii R. Burgess, A. Burgess, P. Munro 1994-4-17 1227 Ventura N end of Keuhner Drive, Hummingbird Crk Trail, Santa Susana Mtns 396 Comment
  UCR143928  Datura wrightii A. C. Sanders, Lee Jones 2004-11-7 29027 Los Angeles San Fernando Valley, site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy 351 Comment
  UC56498  Daucus pusillus H. M. Hall 1902-5-10 3231 Los Angeles Chatsworth Hills Comment
  CAS-BOT-BC299288  Deinandra fasciculata Le Roy Abrams 1901-4-4 1330 Los Angeles Chatsworth Park Comment
  CAS-BOT-BC299301  Deinandra fasciculata Moxley; Grinnell 1916-6-15 484 Los Angeles Near Santa Susanna Pass Comment
  CAS-BOT-BC299304  Deinandra fasciculata Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susanna Pass Comment
  CHSC100217  Deinandra fasciculata John Dittes 2006-6-4 1397 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.4 air-miles northwest of Chatsworth Highschool, ca. 1.2 air-mile west of Topanga Blvd., ca. 0.6 air-mile east x northeast of Santa Susana Pass. 426 Comment
  RSA739611  Deinandra fasciculata John Dittes 2006-6-4 1397 Los Angeles Western Transverse Range, Simi Hills, N of Santa Susana Road, 2.4 air miles NW of Chatsworth High School, 1.2 air miles W of Topanga Blvd, 0.6 air mile ENE of Santa Susana Pass. 427 Comment
  CAS-BOT-BC131006  Deinandra minthornii Scott D. White 1995-10-11 3694 Los Angeles S of Santa Susana Pass Rd., off Lilac Ln., near foot trail E of rd. 502 Comment
  CAS-BOT-BC131007  Deinandra minthornii John Thomas Howell 1947-7-17 23375 Los Angeles East side of Santa Susana Pass Comment
  CAS-BOT-BC131008  Deinandra minthornii John Thomas Howell 1947-7-17 23375 Los Angeles East side of Santa Susana Pass Comment
  CAS-BOT-BC131009  Deinandra minthornii Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susana Pk. Comment
  CAS-BOT-BC131010  Deinandra minthornii John Thomas Howell 1977-3-7 52314 Los Angeles Summit of Santa Susana Pass, Ventura - Los Angeles Co. line 487 Comment
  CAS-BOT-BC131011  Deinandra minthornii John Thomas Howell 1977-3-7 52314 Los Angeles Summit of Santa Susana Pass, Los Angeles - Ventura Co. line Comment
  CAS-BOT-BC131012  Deinandra minthornii H. M. Hall 1929-11-6 12772 Los Angeles Santa Susana Pass Comment
  CAS-BOT-BC131013  Deinandra minthornii David D. Keck 1932-10-14 1953 Los Angeles N. of Chatsworth city limits, on first hill to west of Topango Canyon Blvd., Santa Susana foothills Comment
  CAS-BOT-BC131014  Deinandra minthornii H. M. Hall 1929-11-6 12772 Los Angeles Santa Susana Pass Comment
  CAS-BOT-BC131015  Deinandra minthornii H. M. Hall 1929-11-6 12772 Los Angeles Santa Susana Pass Comment
  CAS-BOT-BC131016  Deinandra minthornii David D. Keck 1932-10-14 1953 Los Angeles N. of Chatsworth city limits, on first hill to west of Topango Canyon Blvd., Santa Susana foothills Comment
  CAS-BOT-BC131017  Deinandra minthornii John Thomas Howell 1947-7-17 23375 Los Angeles Santa Susana Pass Comment
  JEPS38357  Deinandra minthornii T. W. Minthorn 1924-5-17 Ventura Santa Susana Pass Comment
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Sep 6 2016
  LA100556  Deinandra minthornii David S. Verity; September 1977 sn Los Angeles Simi Hills, Box Canyon, Box Canyon Road, N of Chatsworth Lake Comment
  LA201820  Deinandra minthornii Arthur C. Gibson; 2003-6-20 4944 Los Angeles 350 Comment
  LA209913  Deinandra minthornii David S. Verity; 1932-10-14 1953 Ventura Simi Hills, N of Chatsworth city limits, on first hill to W of Topango Canyon Blvd. Santa Susana foothills Comment
  OBI16201  Deinandra minthornii P. A. Holden 1968-10-19 615 b Los Angeles On old Hwy 118 in Santa Susana mtns. Comment
  OBI16202  Deinandra minthornii P. A. Holden 1968-10-19 615 a Los Angeles Along old hwy 118 in Santa Susana mtns about 1 me E of county line. Comment
  OBI62155  Deinandra minthornii P. A. Holden 1968-10-19 615 Ventura Growing along hw 118 (old pass rd) Comment
  SBBG120530  Deinandra minthornii R. Burgess, A. Burgess, P. Munro 2000-10-31 4283 Ventura Hummingbird Ranch, S side of Santa Susana Mtns; Simi Valley 426 Comment
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Nov 16 2009
  SBBG36841  Deinandra minthornii D. D. Keck 1932-10-14 1953 Los Angeles N of Chatsworth city limits, on first hill W of Topanga Cyn Blvd, Santa Susana foothills Comment
  SBBG55869  Deinandra minthornii R. Gustafson, S. Keeley 1978-10-16 970 Los Angeles Diamond Bar Ranch, N end of Topanga Cyn Blvd at the jct of the Simi Freeway about 0.5 mi E of Iverson Rd, Santa Susana Mtns Comment
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Nov 16 2009
  SD134521  Deinandra minthornii Craig Reiser 1988-9-1 Los Angeles Hummingbird Creek near Simi Valley Comment
  SD232611  Deinandra minthornii Scott D. White 1995-10-11 3690 Los Angeles Santa Susana Mtns.: S edge of Santa Susana Mts., above Chatsworth. Vacant lot between 22380 & 22872 Trigger St. Comment
  SD237329  Deinandra minthornii Jonas A. Winbolt, Rocky Brown 2010-8-23 1 Los Angeles Western Transverse Range: east side of Simi Hills, Chatsworth, west of drainage within Santa Susanna Historical Park, near Oak Park Cemetary. 321 Comment
  SFV11726  Deinandra minthornii G. F. Fisler, J. W. Dole 1980-3-24 s. n. Los Angeles Santa Susana Mountains Chatsworth. Iverson Road and Simi Valley Freeway. Comment
  SFV11727  Deinandra minthornii G. F. Fisler, J. W. Dole 1980-5-8 s. n. Los Angeles Santa Susana Mountains Chatsworth. Iverson Road and the Simi Valley Freeway. Comment
  SFV12919  Deinandra minthornii M. J. Thor 1982-5-19 110 Ventura Santa Susana Mountains On dirt road, off Box Canyon Expressway - North American Cut Off. Northeast of Rockadyne Plant. On property about to be developed. Comment
  SFV12920  Deinandra minthornii M. J. Thor 1982-5-19 110 Ventura Santa Susana Mountains On dirt road, off Box Canyon Expressway - North American Cut Off. Northeast of Rockadyne Plant. On property about to be developed. Comment
  SFV13500  Deinandra minthornii M. H. Grayum, D. L. Koutnik 1977-12-10 923 Los Angeles San Fernando Valley Chatsworth Reservoir. Among sandstone outcrops in hilly area just west of spillway. 290 Comment
  SFV9752  Deinandra minthornii J. W. Dole, G. F. Fisler 1977-10-28 s. n. Los Angeles Santa Susana Mountains Chatsworth. Diamond Bar Ranch. Edge of Simi Freeway among the big rocks. Comment
  SFV9753  Deinandra minthornii J. W. Dole, G. F. Fisler 1977-10-28 s. n. Los Angeles Santa Susana Mountains Chatsworth. Diamond Bar Ranch. Edge of Simi Freeway among the big rocks. Comment
  UC1560994  Deinandra minthornii Dean Wm. Taylor with Glenn Clifton, Roy Buck 1989-11-9 10589 Los Angeles on old Santa Susana Pass Road (along dirt road leading e from summit of pass); Transverse Ranges, Santa Susana Quad., Santa Susana Pass 457 Comment
  UC2015605  Deinandra minthornii Scott D. White 1995-10-19 3718 Los Angeles Santa Susana Mts. S edge of Santa Susana Mts, above Chatsworth +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Bl.); 0.7-1.0 air mi SE of Chatsworth Pk. Comment
  UC2015615  Deinandra minthornii Scott D. White 1995-10-19 3719 Los Angeles S edge of Santa Susana Mts, above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Bl.); 0.7-1.0 air mi SE of Chatsworth Pk. Comment
  UC913084  Deinandra minthornii David D. Keck 1932-10-14 1953 Los Angeles n Chatsworth city limits (on first hill to w Topanga Canyon Blvd); Santa Susana foothills Comment
  UC935711  Deinandra minthornii H. M. Hall 1929-11-6 12772 Los Angeles n slope Santa Susana Pass Comment
  LA200785  Delphinium cardinale Jonathan Sauer; D. Bradbury 1969-7-14 4601 Los Angeles Comment
  RSA398742  Delphinium parryi H. L. Bauer 1931-4-1 s.n. Los Angeles Santa Suzana Pass. [Santa Susana] Comment
  VVC3361  Delphinium parryi Tim Thomas 1973-5-10 39 Ventura Transverse Range, Eastern Simi Hills, south east slope of Chatsworth Peak, El Rancho Adobe, vic Box Cyn. 564 Comment
  CHSC100199  Delphinium parryi subsp. parryi John Dittes 2006-6-4 1400 Ventura Western Transverse Range; Simi Hills; south of Santa Susana Road; ca. 3.1 air-miles west x northwest of Chatsworth Highschool, ca. 0.5 air-mile north of Chatsworth Peak, ca. 0.5 air-mile southwest of Santa Susana Pass. 448 Comment
  LA200789  Delphinium parryi subsp. parryi Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  OBI56248  Delphinium parryi subsp. parryi H. & M. Dearing, M. Dearing 30-May 380 Ventura Santa Susana Pass Comment
  RSA739662  Delphinium parryi subsp. parryi John Dittes 2006-6-4 1400 Ventura Western Transverse Range, Simi Hills, S of Santa Susana Road, 3.1 air miles WNW of Chatsworth High School, 0.5 air mile N of Chatsworth Peak, 0.5 air mile SW of Santa Susana Pass 448 Comment
  CAS-BOT-BC43123  Descurainia pinnata subsp. brachycarpa LeRoy Abrams 1901-4-3 1247 Los Angeles Santa Monica Mountains. San Fernando Valley. 182 Comment
  SFV10443  Dichelostemma capitatum M. J. Teiman 1979-4-27 28 Ventura Simi Hills Box Canyon Road, 1 mile from Santa Susana Pass Road on dirt access road parallel to main road. 540 Comment
  SEINET3885715  Dichelostemma pulchellum Keith Dobry 1990-11-25 111 a Los Angeles Simi Hills, at Dayton Canyon.; 0 Comment
  SEINET3885751  Dichelostemma pulchellum Keith Dobry 1990-11-25 111 Los Angeles Simi Hills, at Dayton Canyon.; 0 Comment
  SBBG133320  Diplacus brevipes R. Burgess, P. Munro, S. Chaney, D. Richards 2005-4-16 6760 Ventura Corriganville Park, E end of Simi Valley; Simi Valley 304 Comment
  CAS-BOT-BC150652  Diplacus longiflorus C. B. Wolf; P. C. Everett 1939-10-17 9540 Los Angeles Base of Santa Susana Pass Comment
  CAS-BOT-BC150799  Diplacus longiflorus Adele Lewis Grant 1920-6-10 1651 Ventura Santa [Susanna] Susana Pass Comment
  SBBG120944  Diplacus longiflorus R. Burgess, P. Munro 1994-4-17 1229 Ventura Hummingbird Trail, N end of Keuhner Rd, Santa Susana Mtns 396 Comment
  SBBG66815  Diplacus longiflorus unknown 1949-7-2 Ventura Santa Susana Pass, St Hwy 118 Comment
  SD42380  Diplacus longiflorus Carl B. Wolf 1936-4-24 7772 Los Angeles Base of Santa Susana Pass 366 Comment
  CAS-BOT-BC150629  Diplacus rutilus Carl B. Wolf 1936-4-24 7772 Los Angeles Base of Santa Susana Pass 365 Comment
  CAS-BOT-BC150630  Diplacus rutilus Carl B. Wolf 1936-4-24 7773 Los Angeles Base of Santa Susana Pass 365 Comment
  CAS-BOT-BC150631  Diplacus rutilus Carl B. Wolf 1936-4-24 7773 Los Angeles Base of Santa Susana Pass 365 Comment
  CAS-BOT-BC150800  Diplacus rutilus Adele Lewis Grant 1920-6-10 1651 Ventura Santa [Susanna] Susana Pass Comment
  CAS-BOT-BC150802  Diplacus rutilus John Thomas Howell 1931-5-29 6575 Ventura Santa Susana Pass Comment
  CHSC100154  Diplacus rutilus John Dittes 2006-6-4 1388 Los Angeles Western Transverse Range; SimiHills; north of Santa Susana Road; ca. 2.3 air-miles northwest of Chatsworth Highschool, ca. 0.9 air-mile west of Topanga Blvd., ca. 0.8 air-mile east x northeast of Santa Susana Pass. 381 Comment
  RSA11009  Dodecatheon clevelandii subsp. sanctarum Carl B. Wolf 1928-4-1 s.n. Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  RSA461367  Dodecatheon clevelandii subsp. sanctarum Jean Carnine 1932-3-5 s.n. Ventura Santa Susana Pass. Comment
  SBBG120417  Dodecatheon clevelandii subsp. sanctarum R. Burgess, P. Munro 1994-2-5 1173 Ventura S of Santa Susana Pass Rd, E end of Simi Valley, Santa Susana Mtns 518 Comment
  SBBG120523  Dodecatheon clevelandii subsp. sanctarum R. Burgess, P. Munro 2001-3-23 4382 Ventura Sage Ranch, W side of Black Cyn Rd, Simi Hills 563 Comment
  UCSB70840  Dodecatheon clevelandii subsp. sanctarum Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  LA200397  Dudleya lanceolata O. H. Kappler; 1940-6-23 60 Ventura Simi Hills, Silvernale Ranch, near Chatsworth 640 Comment
  RSA0077164  Dudleya pulverulenta Reid V. Moran 1949-7-4 3288 Los Angeles Santa Susana Grade. Comment
  SD207031  Dudleya pulverulenta Reid Moran 1949-7-4 3288 Unknown Santa Susana Grade Comment
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Jun 30 2016
  UCR143934  Ehrharta erecta A. C. Sanders, Lee Jones 2004-11-7 29023 Los Angeles San Fernando Valley, site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy 351 Comment
  SBBG121503  Eleocharis macrostachya R. Burgess, A. Burgess, P. Munro 1994-4-17 1236 Ventura slowly moving stream tributary (with many descending pools) to Hummingbird Crk; Simi 335 Comment
  LA202621  Eleocharis parishii Arthur C. Gibson; 2006-9-4 5136 Los Angeles Simi Hills, NW corner of Roscoe Blvd and Valley Circle Blvd, about 200 m from the SW edge of Chatsworth Reservoir property Comment
  CHSC100237  Elymus condensatus John Dittes 2006-6-4 1399 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.4 air-miles northwest of Chatsworth Highschool, ca. 1.2 air-mile west of Topanga Blvd., ca. 0.6 air-mile east x northeast of Santa Susana Pass. 426 Comment
  LA206375  Elymus glaucus Barry A. Prigge; 1989-5-13 8751 Los Angeles Santa Susana Mountains, Devil Canyon, ca 1.8 mi. NW of junction of Simi Valley Frwy and Topanga Blvd, N of Chatsworth 426 Comment
  RSA59139  Emmenanthe penduliflora G. R. Campbell 1950-4-16 14561 Ventura 0.2 mile north of Santa Susana Pass, Santa Susana Mts. 503 Comment
  SFV11224  Emmenanthe penduliflora D. K. Shayne 1966-3-16 136 Los Angeles Santa Susana Mountains Stony Point. 330 Comment
  POM4937  Encelia californica C. L. Hitchcock 1918-7-3 5 Los Angeles San Fernando Side of Topango [Topanga] Canyon Road. Comment
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May 29 2014
  RSA724501  Encelia californica K. Dobry 1991-5-17 625 Los Angeles Across from West Hills, off Chatsworth Resv. Valley circle Blvd. Comment
  RSA724639  Encelia californica K. Dobry 1991-5-17 623 Los Angeles Across from West Hills, off Chatsworth Resv. Valley circle Blvd. Comment
  UCR87865  Encelia californica John Wear 1994-2-24 94 9 Ventura Simi Valley, White Oaks Park, c. 2 mi. WSW of Rocky Peak (at the Los Angeles Co. line), north side of the Simi Valley Freeway (118), north of Santa Susana Knolls 366 Comment
  UCR88693  Encelia farinosa Scott D. White 1995-10-19 3703 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  RSA510  Epilobium canum subsp. canum J. T. Howell 1928-6-30 1025 Ventura Santa Susana Pass. 457 Comment
  SBBG5135  Epilobium canum subsp. canum R. Moran 1942-10-27 1438 Los Angeles ravine near top of Santa Susana Grade Comment
  UC717982  Epilobium canum subsp. canum Reid Moran 1942-10-27 1438 Los Angeles ravine near top Santa Susana Grade Comment
  UCD105424  Epilobium canum subsp. canum Jon A. Nickoloff 1973-5-21 504 Los Angeles Ca. 3 miles SE on Devil's Canyon Trail, San Gabriel Mountains. 1066 Comment
  LA201819  Epilobium ciliatum subsp. ciliatum Arthur C. Gibson; 2003-6-20 4945 Los Angeles 365 Comment
  CAS-BOT-BC57753  Equisetum telmateia Le Roy Abrams 1901-4-5 1352 Los Angeles San Fernando Mts. 548 Comment
  SD186033  Eragrostis barrelieri A. C. Sanders, Kim Marsden 2003-6-20 26989 Los Angeles Del Valle area, between San Marinez Grande Canyon Rd. and Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch. 305 Comment
  SFV6241  Eremothera boothii subsp. decorticans M. H. Grayum, A. Starrett, D. Friesen 1974-5-18 s. n. Ventura Santa Susana Mountains East-facing slope of Las Llajas Canyon. 396 Comment
  LA201864  Eriastrum sapphirinum Arthur C. Gibson; 2003-9-1 4961 Los Angeles Simi Hills, Valley Circle Blvd. on W-side of Chatsworth Reservoir, near Chatsworth Lake Manor and Simi Hills Comment
  SBBG64363  Eriastrum sapphirinum J. E. Butner 1949-7-2 684 Ventura 0.5 mi S of Hwy 118 near Los Angeles County line, Santa Susana Pass area Comment
  UCR111239  Eriastrum sapphirinum Joan E. Butner 1949-7-2 684 Ventura Transverse Range; Santa Susana Mtns., 0.5 miles south of Hwy 118 near Los Angeles County line, Santa Susana Pass area 549 Comment
  SBBG120652  Ericameria ericoides R. Burgess, P. Munro 2000-10-24 4273 Ventura N end of Kuehner Rd, Hummingbird Ranch, S side of Santa Susana Mtns 426 Comment
  LA201019  Ericameria nauseosa var. mohavensis Carl Wishner; 1990-1-23 CW- 1676 Los Angeles Simi Hills, Woolsey Canyon, Woolsey Canyon Rd near summit at double hairpin turn 502 Comment
  LA201857  Ericameria palmeri var. pachylepis Arthur C. Gibson; 2003-9-27 4965 Los Angeles Simi Hills, Chatsworth Park S Comment
  LA201908  Ericameria palmeri var. pachylepis Arthur C. Gibson; 2003-9-27 4964 Los Angeles 365 Comment
  RSA616537  Ericameria palmeri var. pachylepis Scott D. White 1995-10-19 3715 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  UCR88658  Ericameria palmeri var. pachylepis Scott D. White 1995-10-19 3715 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  CAS-BOT-BC300577  Erigeron foliosus var. foliosus Fordyce Grinnell 1916-6-16 s.n. Ventura Santa Susana Pass, Los Angeles-Ventura Cos. Comment
  SBBG60734  Erigeron foliosus var. foliosus J. E. Butner 1949-7-2 685 Ventura Santa Susana Pass area, within 0.5 mi of Ventura-Los Angeles county line Comment
  CAS-BOT-BC189065  Eriodictyon crassifolium Le Roy Abrams 1901-4-5 1363 Los Angeles Near Chatworth [Chatsworth] Park, San Fernando Mountains Comment
  LA105364  Eriodictyon crassifolium Barry A. Prigge; 1989-4-23 8462 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air mi. NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 518 Comment
  SJSU5664  Eriodictyon crassifolium W. Savage 1965-9-9 493 Los Angeles Santa Susana Pass Rd 2 mi E of Ventura-Los Angeles Co. line 457 Comment
  UCSB70845  Eriodictyon crassifolium Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  VVC3377  Eriodictyon crassifolium Tim Thomas 1973-5-10 43 Ventura Transverse Range, Eastern Simi Hills, south east slope of Chatsworth Peak, El Rancho Adobe, vic Box Cyn. 564 Comment
  CAS-BOT-BC189110  Eriodictyon crassifolium var. crassifolium Le Roy Abrams 1901-4-1 1363 Los Angeles San Fernando Mountains Comment
  CAS-BOT-BC189119  Eriodictyon crassifolium var. crassifolium Le Roy Abrams 1901-4-1 1363 Orange San Fernando Mountain Comment
  LA200559  Eriodictyon crassifolium var. nigrescens Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  LA200560  Eriodictyon crassifolium var. nigrescens A. M. Johnson; 1934-3-16 4366 Los Angeles Simi Hills-Santa Susana Mountains, Santa Susana Pass, beyond Chatsworth, summit of pass Comment
  POM401525A  Eriodictyon crassifolium var. nigrescens Frances L. Cramer 1934-3-15 s.n. Los Angeles Santa Susana Pass. Comment
  SBBG120644  Eriodictyon crassifolium var. nigrescens R. Burgess, P. Munro 1994-4-17 1225 Ventura Hummingbird Trail, N end of Keuhner Rd, Santa Susana Mtns 396 Comment
  SBBG120664  Eriodictyon crassifolium var. nigrescens R. Burgess, P. Munro 1997-3-8 2177 Ventura Rocky Peak Rd, N of St Hwy 118; Santa Susana Mtns 548 Comment
  RSA393166  Eriogonum cithariforme var. cithariforme Anstruther Davidson 1905-10 1453 Los Angeles Santa Monica Hills west of [Encino?] Road Comment
  UCR87872  Eriogonum elongatum John Wear 1994-2-24 94- 6 Ventura Simi Valley, White Oaks Park, c. 2 mi. WSW of Rocky Peak (at the Los Angeles Co. line), north side of the Simi Valley Freeway (118), north of Santa Susana Knolls 366 Comment
  POM305309  Eriogonum fasciculatum var. foliolosum Henry J. Ramsey, Henry J. Ramsey 1937-3-22 629 Los Angeles Santa Susana Pass 293 Comment
  SBBG127712  Eriogonum fasciculatum var. foliolosum R. Burgess, S. Chaney, D. Richards, P. Munro 2009-1-18 8190 Ventura Rocky Peak Fire Rd; Santa Susanna Mtns 614 Comment
  UC1032045  Eriogonum fasciculatum var. foliolosum P. L. Johannsen 1934-1-29 252 Ventura 1 1/4 mi e and 2 1/4 mi n Santa Susana (mouth of Los Llajas Canyon); Santa Susana Quadrangle, Los Llajas Canyon Comment
  UCR88680  Eriogonum gracile Scott D. White 1995-10-19 3697 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  RSA231  Eriogonum gracile var. gracile J. T. Howell 1928-6-30 1021 Ventura Santa Susana Pass. 457 Comment
  RSA615862  Eriogonum gracile var. gracile Scott D. White 1995-10-19 3697 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  SBBG120794  Eriogonum gracile var. gracile R. Burgess, P. Munro 2000-10-24 4272 Ventura N end of Kuehner Rd, Hummingbird Ranch, S side of Santa Susana Mtns 426 Comment
  CAS-BOT-BC304269  Eriophyllum confertiflorum John Thomas Howell 1931-5-29 6581 Ventura Santa Susana Pass Comment
  HSC5620  Eriophyllum confertiflorum David Porter 1965-5-6 Los Angeles 1 mi. N of Chatsworth, Simi Hills 351 Comment
  CHSC100203  Eriophyllum confertiflorum var. confertiflorum John Dittes 2006-6-4 1401 Ventura Western Transverse Range; Simi Hills; south of Santa Susana Road; ca. 3.1 air-miles west x northwest of Chatsworth Highschool, ca. 0.5 air-mile north of Chatsworth Peak, ca. 0.5 air-mile southwest of Santa Susana Pass. 448 Comment
  LA105418  Eriophyllum confertiflorum var. confertiflorum Barry A. Prigge; 8532 Los Angeles Santa Susana Mountains, between Falls Creek and Devil Canyon: ca. 1 air mi. NE of junction of Simi Valley Frwy and Topanga Canyon Blvd 502 Comment
  SFV10446  Eriophyllum confertiflorum var. confertiflorum M. J. Teiman 1979-4-27 26 Ventura Simi Hills Box Canyon Road, 1 mile from Santa Susana Pass Road on dirt access road parallel to main road. 540 Comment
  CAS-BOT-BC40782  Erysimum capitatum Le Roy Abrams 1901-4-1 1339 Los Angeles Chatsworth Park. Comment
  CAS-BOT-BC40783  Erysimum capitatum Le Roy Abrams 1901-4-1 1339 Los Angeles Chatsworth Park. Comment
  LA105383  Erysimum capitatum var. capitatum Barry A. Prigge; 1989-4-23 8492 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 429 Comment
  POM553  Erysimum capitatum var. capitatum L. R. Abrams 1901-04 1339 Los Angeles San Fernando Mts. 762 Comment
  POM50340  Eschscholzia californica var. crocea L. R. Abrams 1901-04 1357 Los Angeles San Fernando Mts. 762 Comment
  POM148433  Eschscholzia californica var. peninsularis L. R. Abrams 1901-04 1319 Los Angeles San Fernando Mts. 762 Comment
  UCR178042  Eucalyptus globulus LeRoy Gross 2003-1-25 687 Los Angeles Transverse Ranges: Santa Susana Mountains, Johnston's Motorway from Indian Springs Estates (private homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. climbs to main crest 610 Comment
  CHSC95737  Eucalyptus rudis LeRoy Gross 2003-1-25 685 Los Angeles Transverse Ranges: Santa Susana Mountains: Johnston's Motorway from Indian Springs Estates (private Homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. climbs to main crest. UTM Zone 11S; 3795422N 0350970E. 549 Comment
  UCR178050  Eucalyptus rudis LeRoy Gross 2003-1-25 685 Los Angeles Transverse Ranges: Santa Susana Mountains, Johnston's Motorway from Indian Springs Estates (private homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. Climbs to main crest 549 Comment
  CHSC98721  Eucalyptus viminalis LeRoy Gross 2003-1-25 686 Los Angeles Transverse Ranges; Santa Susana Mountains; Johnston's Motorway from Indian Springs Estates (private homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road, climbs to main crest. Next to old foundation, off of old motorway. 610 Comment
  UC1870224  Eucalyptus viminalis LeRoy Gross 2003-1-25 686 Los Angeles Transverse Ranges: Santa Susana Mountains; Johnston's Motorway from Indian Springs Estates (private Homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. climbs to main crest 610 Comment
  UCR178041  Eucalyptus viminalis LeRoy Gross 2003-1-25 686 Los Angeles Transverse Ranges: Santa Susana Mountains, Johnston's Motorway from Indian Springs Estates (private homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. climbs to main crest 610 Comment
  RSA11016  Eucrypta chrysanthemifolia Carl B. Wolf 1928-4-1 1612 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  CHSC100167  Eucrypta chrysanthemifolia var. chrysanthemifolia John Dittes 2006-6-4 1390 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.3 air-miles northwest of Chatsworth Highschool, ca. 0.9 air-mile west of Topanga Blvd., ca. 0.8 air-mile east x northeast of Santa Susana Pass. 381 Comment
  LA105329  Eucrypta chrysanthemifolia var. chrysanthemifolia Barry A. Prigge; 1989-4-23 8435 Los Angeles Santa Susana Mountains, between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  LA105384  Eucrypta chrysanthemifolia var. chrysanthemifolia Barry A. Prigge; 8518 Los Angeles Santa Susana Mountains, between Falls Creek and Devil Canyon: ca. 1 air mi. NE of junction of Simi Valley Frwy and Topanga Canyon Blvd 502 Comment
  RSA739751  Eucrypta chrysanthemifolia var. chrysanthemifolia John Dittes 2006-6-4 1390 Los Angeles Western Transverse Range, Simi Hills, N of Santa Susana Raod, 2.3 ir miles NW of Chatsworth Highchool, 0.9 air mile W of Topanga Blvd, 0.8 air mile ENE of Santa Susana Pass 381 Comment
  RSA785823  Eucrypta chrysanthemifolia var. chrysanthemifolia K. Dobry 1990-3-25 112 Los Angeles Simi Hills at Dayton Canyon. Comment
  SFV10445  Eucrypta chrysanthemifolia var. chrysanthemifolia M. J. Teiman 1979-4-27 27 Ventura Simi Hills Box Canyon Road, 1 mile from Santa Susana Pass Road on dirt access road parallel to main road. 540 Comment
  SFV2530  Eulobus californicus M. L. Vincent 1963-5-7 348 Los Angeles Santa Susana Mountains Santa Susana Pass at the foot of the pass. 0.25 miles off the road in a meadow. 310 Comment
  LA105325  Festuca myuros Barry A. Prigge; 1989-4-23 8442 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  LA105353  Festuca myuros Barry A. Prigge; 1989-4-23 8425 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  SBBG133529  Festuca octoflora R. Burgess, P. Munro, S. Chaney,, D. Richards 2005-4-16 6777 Ventura E end of Simi Hills, Corriganville Park; Simi Valley 304 Comment
  RSA724395  Filago californica K. Dobry 1990-3-25 234 Los Angeles Simi Hills at Dayton Canyon Comment
  RSA615861  Filago depressa Scott D. White 1995-10-19 3696 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  CAS-BOT-BC52537  Frangula californica subsp. californica Steve Boyd; Amber Maurice 2004-5-18 11309 Los Angeles Transverse Ranges; Liebre Mountains region: Atmore Meadows area Comment
  UCR88691  Galium angustifolium Scott D. White 1995-10-19 3705 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  RSA615865  Galium angustifolium subsp. angustifolium Scott D. White 1995-10-19 3705 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  SBBG120757  Galium angustifolium subsp. angustifolium R. Burgess, A. Burgess, P. Munro 1994-4-17 1226 Ventura N end of Kuehner Rd, Hummingbird Trail, Santa Susana Mtns 396 Comment
  RSA470092  Gilia achilleifolia subsp. multicaulis Anstruther Davidson 1926-05 s.n. Ventura Santa Susana Pass. Comment
  SBBG120732  Gilia achilleifolia subsp. multicaulis R. Burgess, P. Munro 1994-4-17 1232 Ventura Hummingbird Trail, N end of Keuhner Rd, Santa Susana Mtns 411 Comment
  LA200753  Gilia angelensis A. M. Johnson; 1934-3-16 4375 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  LA201993  Gilia angelensis Arthur C. Gibson; 2003-4-15 5016 Los Angeles Simi Hills, Box Canyon, along hiking trail along Box Canyon Rd, ca 0.5 km S of Pioneer Pass 496 Comment
  SBBG120808  Gilia angelensis R. Burgess, P. Munro 2001-3-23 4384 Ventura Sage Ranch, W side of Black Cyn Rd, Simi Hills 563 Comment
  SFV2859  Gilia angelensis M. L. Vincent 1963-5-7 337 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.25 miles off the main road at the top of the pass on a small path. 489 Comment
  UCSB71944  Gilia angelensis Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  LA200748  Gilia capitata subsp. abrotanifolia A. M. Johnson; 1934-3-16 4369 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  POM50153  Gilia capitata subsp. abrotanifolia L. R. Abrams 1901-04 1353 Los Angeles Chatsworth Park. Comment
  RSA11014  Gilia capitata subsp. abrotanifolia C. B. Wolf 1928-4-1 sw.n. Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  RSA470243  Gilia capitata subsp. abrotanifolia Howard Mullins 1931-3-15 s.n. Los Angeles Santa Susana. [pass?] Comment
  LA201645  Gnaphalium palustre Arthur C. Gibson; 2003-12-27 5006 Los Angeles Simi Hills, Chatsworth Oak Park on N side of Chatsworth Reservoir Comment
  POM359101  Grindelia robusta Anstruther Davidson 1915-6-24 s.n. Ventura Near Santa Susanna. Comment
  CAS-BOT-BC304621  Gutierrezia californica Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susana Pass 457 Comment
  LA201909  Gutierrezia californica Arthur C. Gibson; 2003-6-14 4979 Los Angeles Simi Hills, NW edge Chatsworth Reservoir just E of Valley Circle Blvd, near Chatsworth Lake Manor 274 Comment
  RSA615866  Gutierrezia californica Scott D. White 1995-10-19 3707 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  UCR88699  Gutierrezia californica Scott D. White 1995-10-19 3707 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  UCR88657  Haplopappus squarrosus Scott D. White 1995-10-19 3716 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  RSA616538  Hazardia squarrosa Scott D. White 1995-10-19 3716 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  UCD132653  Hazardia squarrosa Daryl Koutnik; William Balch 1978-8-20 s.n. Ventura Rocky Peak Mountainway at the Los Angeles - Ventura County line. 396 Comment
  LA105395  Helianthemum scoparium Barry A. Prigge; 8541 Los Angeles Santa Susana Mountains, between Falls Creek and Devil Canyon: ca. 1 air mi. NE of junction of Simi Valley Frwy and Topanga Canyon Blvd 502 Comment
  LA105526  Helianthemum scoparium Barry A. Prigge; 1989-5-13 8730 Los Angeles Santa Susana Mountains, Blind Canyon, 1.6 mi. NW of junciton of Simi Valley and Topanga Canyon Blvd., N of Chatsworth 518 Comment
  LA200375  Helianthemum scoparium Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  SFV21900  Helianthemum scoparium P. M. Schiffman 2011-4-21 s. n. Los Angeles Santa Susana Mountains Mouth of Browns Canyon along Toltec Drive. 400 Comment
  RSA724715  Helianthemum scoparium var. vulgare K. Dobry 1990-3-25 228 Los Angeles Simi Hills at Dayton Canyon Comment
  CAS-BOT-BC305688  Helianthus gracilentus F. Grinnell Jr. 1916-6-16 s.n. Los Angeles Santa Susana Pass, Los Angeles - Ventura Cos. 457 Comment
  CAS-BOT-BC305696  Helianthus gracilentus Moxley; Grinnell 1916-6-15 477 Los Angeles Hills near Santa Susanna [Susana] Pass Comment
  CAS-BOT-BC305699  Helianthus gracilentus Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susana Pk., Los Angeles - Ventura Cos. Comment
  POM359998  Helianthus gracilentus Geo L. Moxley 1916-6-15 477 Los Angeles Hills near Santa Susana Pass. Comment
  SBBG120564  Helianthus gracilentus R. Burgess, P. Munro 1997-3-8 2179 Ventura Rocky Peak Rd, N of St Hwy 118; Santa Susana Mtns 487 Comment
  SBBG126741  Helianthus gracilentus R. Burgess, P. Munro 2011-4-15 8791 Ventura Rocky Peak Rd, grassy area to E of rd; Santa Susanna Mtns 581 Comment
  UCSB31008  Hemizonia congesta subsp. congesta Tanowitz, Barry Los Angeles Santa Susanna Pass; Ventura- Los Angeles County line Comment
  POM360266  Hemizonia fasciculata Geo L. Moxley, Grinnell 1916-06 484 Los Angeles Hills near Santa Susanna Pass Comment
  RSA616543  Hemizonia fasciculata Scott D. White 1995-10-11 3693 Los Angeles Santa Susana Mtns, S of Santa Susana Pass Rd. 503 Comment
  RSA884  Hemizonia fasciculata J. T. Howell 1928-6-30 1018 Ventura Santa Susana Pass. Comment
  UCR217144  Hemizonia fasciculata Jonas A. Winbolt, Rocky Brown 2010-8-23 002 Los Angeles Western Transverse Range, east side of Simi Hills, Chatsworth, west of drainage within Santa Susanna Historical Park, near Oak Park Cemetery 322 Comment
  UCR88685  Hemizonia fasciculata Scott D. White 1995-10-11 3693 Los Angeles Santa Susana Mtns., Santa Susana Mtns, south of Santa Susana Pass Rd 500 Comment
  CDA7814  Hemizonia minthornii J. T. Howell 1977-3-7 52314 Los Angeles Santa Susana Mtns.; Summit of Santa Susana Pass. Ventura-Los Angeles county line. Comment
  GH414596  Hemizonia minthornii D. D. Keck 1932-10-14 1953 Unknown N. of Chatsorth city limits, on first hill to west of Topango Canyon Blvd., Santa Sunsana foothills Comment
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May 29 2014
  GH414597  Hemizonia minthornii H. M. Hall 1929-11-6 12772 Unknown Santa Susana Pass Comment
  POM298278  Hemizonia minthornii D. D. Keck 1932-10-14 1953 Los Angeles N. of Chatsworth City Limits, on first hill to west of Topango [Topanga] Cyn. Blvd. Santa Susana Foothills. Comment
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May 29 2014
  RSA117743  Hemizonia minthornii S. Carlquist 1956-7-15 407 Los Angeles At summit just east of summit of Santa Susanna Pass. Comment
  RSA283995  Hemizonia minthornii Sterling Keeley 1978-10-16 970 Los Angeles Diamond Bar Ranch, north end of Topanga cyn. Blvd. at the junction of the Simi Fry. about 1/2 mile east of Iverson Rd. Santa Susanna Mts. Comment
  RSA298239  Hemizonia minthornii H. M. Hall 1929-11-6 12772 Los Angeles Santa Susana Pass Comment
  RSA360117  Hemizonia minthornii David S. Verity 1977-09 s.n. Los Angeles Box Canyon Road, N of Chatsworth lake. Comment
  RSA360318  Hemizonia minthornii Robert Gustafson 1980-7-30 1835 Los Angeles Diamond Bar Ranch, north end of Topanga cyn. Blvd. at the junction of the Simi Fry. about 1/2 mile east of Iverson Rd. Santa Susanna Mts. Comment
  RSA360319  Hemizonia minthornii Sterling Keeley 1978-10-16 970 Los Angeles Diamond Bar Ranch, north end of Topanga cyn. Blvd. at the junction of the Simi Fry. about 1/2 mile east of Iverson Rd. Santa Susanna Mts. Comment
  RSA51444  Hemizonia minthornii J. T. Howell 1947-7-17 s.n. Los Angeles East side of Santa Susana Pass Comment
  RSA615864  Hemizonia minthornii Scott D. White 1995-10-19 3701 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  RSA616544  Hemizonia minthornii Scott D. White 1995-10-11 3691 Los Angeles Santa Susana Pass Rd., turnout at unnamed dirt rd., ca. 1/2 mi E of Lilac Ln. Comment
  RSA617148  Hemizonia minthornii Scott D. White 1995-10-19 3721 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  RSA627542  Hemizonia minthornii Sandy Leatherman, Brian Daniels 1998-5-8 6 Los Angeles Santa Monica Mountains: south of Woolsey Canyon Road approx. 1 mile down the existing dirt road. 365 Comment
  SEINET3860177  Hemizonia minthornii D. D. Keck 1932-10-14 1953 Los Angeles N. of Chatsworth city limits, on first hill to west of Topango Canyon Blvd., Santa Susana foothills.; 0 Comment
  UCR118633  Hemizonia minthornii O. F. Clarke 1981-3-22 s.n. Los Angeles Santa Susana Mtns., about 2 miles west of Chatsworth [probably in vicinity of Santa Susana Pass] Comment
  UCR15160  Hemizonia minthornii Bob Muns 1976-1 s.n. Los Angeles Santa Susana Mtns., near Chatsworth Comment
  UCR217143  Hemizonia minthornii Jonas A. Winbolt, Rocky Brown 2010-8-23 001 Los Angeles Western Transverse Range, east side of Simi Hills, Chatsworth, west of drainage within Santa Susanna Historical Park, near Oak Park Cemetery 322 Comment
  UCR47732  Hemizonia minthornii J. T. Howell 1977-3-7 s.n. Los Angeles Santa Susana Mtns., Summit of Santa Susana Pass 488 Comment
  UCR88682  Hemizonia minthornii Scott D. White 1995-10-11 3690 Los Angeles Santa Susana Mtns., south edge of Santa Susana Mts, above Chatsworth Comment
  UCR88683  Hemizonia minthornii Scott D. White 1995-10-11 3691 Los Angeles Santa Susana Mtns., Santa Susana Pass Rd., turnout at unnamed dirt rd., c. 1/2 mi east of Lilac Ln. Comment
  UCR88686  Hemizonia minthornii Scott D. White 1995-10-11 3694 Los Angeles Santa Susana Mtns., Santa Susana Pass Rd., turnout at unnamed dirt rd., c. 1/2 mi east of Lilac Ln. Comment
  UCR88687  Hemizonia minthornii Scott D. White 1995-10-19 3721 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  UCR88688  Hemizonia minthornii Scott D. White 1995-10-19 3718 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  UCR88689  Hemizonia minthornii Scott D. White 1995-10-19 3719 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  UCR88695  Hemizonia minthornii Scott D. White 1995-10-19 3701 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  SBBG133530  Hesperocnide tenella R. Burgess, P. Munro, S. Chaney,, D. Richards 2005-4-16 6782 Ventura E end of Simi Hills, Corriganville Park; Simi Valley 304 Comment
  RSA724471  Hesperolinon micranthum K. Dobry 1990-3-25 232 Los Angeles Simi Hills at Dayton Canyon. Comment
  HSC2867  Hesperoyucca whipplei David Porter 1965-5-6 Los Angeles 1 mi. N of Chatsworth, Simi Hills 351 Comment
  POM307206  Heteromeles arbutifolia Henry J. Ramsey, Henry J. Ramsey 1937-6-25 2064 Ventura Santa Susana Pass. 489 Comment
  CAS-BOT-BC310995  Heterotheca grandiflora Fordyce Grinnell 1916-6-16 s.n. Ventura Santa Susana Pass, Los Angeles-Ventura Cos. Comment
  IRVC29179  Heterotheca grandiflora A. C. Sanders, Lee Jones 2004-11-7 29026 Los Angeles site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy San Fernando Valley 351 Comment
  RSA0074064  Heterotheca grandiflora Scott D. White 1995-10-19 3711 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  UCR143929  Heterotheca grandiflora A. C. Sanders, Lee Jones 2004-11-7 29026 Los Angeles San Fernando Valley, site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy 351 Comment
  UCR88660  Heterotheca subaxillaris Scott D. White 1995-10-19 3711 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  CAS-BOT-BC55358  Hirschfeldia incana Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susana Pass. Los Angeles - Ventura counties. Comment
  LA105339  Hordeum murinum subsp. glaucum Barry A. Prigge; 1989-4-23 8411 Los Angeles Santa Susana Mountains, between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  SFV20174  Hordeum vulgare J. Brown 2004-4-30 14 Ventura Simi Hills Simi Hills. Sage Ranch Park. 575 Comment
  CAS-BOT-BC324709  Isocoma menziesii var. vernonioides Fordyce Grinnell 1916-6-16 s.n. Ventura Santa Susana Pass Comment
  JEPS42711  Isomeris arborea W. L. Jepson 1927-4-23 11901 Los Angeles Santa Susanna Pass 488 Comment
  IRVC29512  Juglans californica var. californica A. C. Sanders, Lee Jones 2004-11-7 29025 Los Angeles site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy San Fernando Valley 351 Comment
  SD38495  Juglans californica var. californica F. McCulloch 1931-3-15 Los Angeles Santa Susanna [Pass? possibly Ventura Co. but LA more likely] Comment
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Jul 11 2010
  SFV840  Juglans californica var. californica P. G. Kilburn 1957-10-31 524 Los Angeles Simi Hills 2 miles west of Chatsworth Reservoir. 100 yards below gate. 350 Comment
  UC1135939  Juglans californica var. californica R. St. John 1930-1-6 67 Los Angeles nw corner Los Angeles City Limits; Santa Susana Quadrangle 518 Comment
  UCR143932  Juglans californica var. californica A. C. Sanders, Lee Jones 2004-11-7 29025 Los Angeles San Fernando Valley, site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy 351 Comment
  RSA401050  Juglans hindsii Howard Mullins 1931-3-15 s.n. Ventura Santa Susana Pass. Comment
  SD37445  Keckiella cordifolia Florence Post 1931-5-13 2053 C Los Angeles Santa Susanna Pass, hillside Comment
  SFV10202  Keckiella cordifolia J. G. Cuti 1978-5-20 70 Los Angeles 0.5 miles off Santa Susana Pass Road on Box Canyon Road. In roadcut. Comment
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Sep 25 2014
  CAS-BOT-BC271339  Koeleria pyramidata Le Roy Abrams 1901-4-1 1332 Los Angeles Chatsworth Park Comment
  LA105355  Lamarckia aurea Barry A. Prigge; 1989-4-23 8423 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  RSA724992  Lamarckia aurea K. Dobry 1990-3-25 105 Los Angeles Simi Hills at Dayton Canyon Comment
  SFV445  Lamarckia aurea M. L. Vincent 1963-5-7 338 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.25 miles off the main road at the top of the pass on a small path. 489 Comment
  UCD63291  Lamarckia aurea M. Vincent 1963-5-7 338 Los Angeles Santa Susana Mts., 1/2 mile E of the Ventura County line near the top of the pass, Santa Susana Pass Road, 1/4 mile off the road at the top of the pass on a small path. 488 Comment
  CAS-BOT-BC354216  Lasthenia coronaria L. R. Abrams 1901-4-1 1388 Los Angeles Monte Vista Comment
  CAS-BOT-BC354217  Lasthenia coronaria L. R. Abrams 1901-4-1 1234 Los Angeles Ballona Harbor Comment
  CAS-BOT-BC354218  Lasthenia coronaria L. R. Abrams 1901-4-6 1336 Los Angeles Chatsworth Park Comment
  HSC5899  Lasthenia glabrata G. E. Anderson 1966-4-4 17 Los Angeles 12 mi. N of Topanga near Hwy. 27 Comment
  UCSB71948  Lasthenia gracilis Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  RSA724437  Lathyrus laetiflorus K. Dobry 1990-3-25 110 Los Angeles Simi Hills at Dayton Canyon Comment
  SFV1819  Lathyrus vestitus M. L. Vincent 1963-5-7 341 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.25 miles off the main road at the top of the pass on a small path. 489 Comment
  UCSB70932  Lathyrus vestitus var. vestitus Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  SBBG125386  Lepidium nitidum R. Burgess, P. Munro 2001-3-23 4391 Ventura Sage Ranch, W side of Black Cyn Rd, Simi Hills 548 Comment
  UC1123911  Leptodactylon californicum P. L. Johannsen 1934-1-28 249 Ventura 1 mi n and 2 1/4 mi w Rocky Peak (Las Llajas Canyon); Santa Susana Quadrangle, Los Llajas Canyon Comment
  UCR87866  Leptodactylon californicum John Wear 1994-2-24 94- 10 Ventura Simi Valley, White Oaks Park, c. 2 mi. WSW of Rocky Peak (at the Los Angeles Co. line), north side of the Simi Valley Freeway (118), north of Santa Susana Knolls 366 Comment
  LA201800  Lessingia filaginifolia var. filaginifolia Arthur C. Gibson; 2003-9-1 4985 Los Angeles Simi Hills, NW edge Chatsworth Reservoir just E of Valley Circle Blvd, near Chatsworth Lake Manor 274 Comment
  CAS-BOT-BC226748  Linanthus californicus Le Roy Abrams 1901-4-6 1400 Los Angeles Chatsworth Park Comment
  CAS-BOT-BC226868  Linanthus californicus Carl B. Wolf 1928-4-1 1608 Ventura Santa Susanna [Susana] Pass 1/2 mi from summit 457 Comment
  HSC17063  Linanthus californicus C. E. Fellows 1965-4-13 36 Los Angeles 2/10 mi. N of Los Angeles City limits on Hwy. 118 Comment
  LA200750  Linanthus californicus A. M. Johnson; 1934-3-16 4344 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  LA200751  Linanthus californicus Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  RSA11020  Linanthus californicus C. B. Wolf 1928-4-1 1608 Los Angeles Santa Susanna Pass. 1/2 mi. from summit. Comment
  RSA468474  Linanthus californicus Jean Carnine 1932-3-5 15282 Ventura Santa Susana Pass. Comment
  RSA468475  Linanthus californicus J. Freeman 1942-2-24 s.n. Ventura Santa Susana Pass. Comment
  RSA468476  Linanthus californicus Howard Mullins 1931-3-15 250 Ventura Santa Susana Pass. Comment
  RSA468477  Linanthus californicus Franklin W. Klepinger 1938-3-26 s.n. Los Angeles Santa Susana Pass. Comment
  RSA468484  Linanthus californicus David Young 1969-3-15 P- 399 Los Angeles 3 mi. NW of Chasworth, California S. of Hwy 118 on Santa Susana Rd. 293 Comment
  UCD118514  Linanthus californicus James Dilley 1997-2-3 s.n. Los Angeles Porter Ranch Park in Chatsworth. On Browns Canyon Road north of Fwy 118. Comment
  SBBG125396  Linanthus dianthiflorus R. Burgess, P. Munro 2001-3-23 4381 Ventura Simi Hills, Sage Ranch, W side of Black Cyn Rd 563 Comment
  UC52729  Linanthus parviflorus H. M. Hall 1902-5-10 3252 Los Angeles Chatsworth Hills Comment
  SFV3916  Logfia filaginoides M. L. Vincent 1963-5-7 332 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.5 miles off the main road on a path. 489 Comment
  RSA785593  Lolium perenne subsp. multiflorum Doris Bowers 1968-6-29 692 Los Angeles Diamond Bar Ranch 305 Comment
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Aug 20 2014
  UCR12136  Lomatium dasycarpum Art Whistler 1966-4-17 s.n. Los Angeles Western Transverse Range, Canoga Park, west of Cohasset, above Roscoe Blvd., near Valley Circle Blvd. Comment
  SD232594  Lomatium utriculatum John Wear 1994-2-25 94 5 Ventura Simi Valley, White Oaks Park, ca. 2 miles WSW of Rocky Peak (at the Los Angeles C. line) N side of the Simi Valley (118) Freeway, N of Santa Susana Knolls. On an old road cut. 366 Comment
  UCR87871  Lomatium utriculatum John Wear 1994-2-25 94 -5 Ventura Simi Valley, White Oaks Park, c. 2 mi. WSW of Rocky Peak (at the Los Angeles Co. line), north side of the Simi Valley Freeway (118), north of Santa Susana Knolls. 367 Comment
  UCR88656  Lotus argophyllus Scott D. White 1995-10-19 3717 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  RSA406747  Lotus argophyllus var. argophyllus Howard Mullins 1931-3-15 s.n. Ventura Santa Susana Pass. Comment
  RSA724433  Lotus argophyllus var. argophyllus K. Dobry 1990-3-25 118 Los Angeles Simi Hills at Dayton Canyon Comment
  SFV20421  Lotus purshianus E. Guerrero 2003-5-15 17 Ventura Simi Valley Simi Valley. Kuehner Drive, just north of Highway 118. 335 Comment
  SFV10441  Lotus salsuginosus var. salsuginosus M. J. Teiman 1979-4-27 20 Los Angeles Santa Susana Mountains Browns Canyon. Dry, disturbed field by road side. 365 Comment
  SBBG122263  Lupinus concinnus R. Burgess, P. Munro 1997-3-8 2182 Ventura Rocky Peak Rd, N of St Hwy 118; Santa Susana Mtns 487 Comment
  RSA413599  Lupinus excubitus var. hallii Anstruther Davidson 1914-4-1 2965 Los Angeles Santa Suzanna Pass Comment
  UC1129470  Lupinus formosus var. robustus R. St. John 1933-3-25 357 Los Angeles Brown's Canyon; Santa Susana Quad., Brown's Canyon Comment
  LA200465  Lupinus hirsutissimus A. M. Johnson; 1934-3-16 4336 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  LA200466  Lupinus hirsutissimus A. M. Johnson; 1934-3-16 4336 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  RSA413679  Lupinus hirsutissimus Howard Mullins 1931-3-15 s.n. Ventura Santa Susana Pass. Comment
  RSA0064297  Lupinus paynei Daisie Huang 2008-4-1 08040106 Los Angeles Old overpass of Hwy 118, Santa Susana Mountains. 117 Comment
  SBBG122254  Lupinus sparsiflorus R. Burgess, P. Munro 1997-3-8 2181 Ventura Rocky Peak Rd, N of St Hwy 118; Santa Susana Mtns 487 Comment
  UC1129753  Lupinus succulentus P. L. Johannsen 1934-2-6 261 Ventura 1/2 mi n and 2 mi w Santa Susana; Santa Susana Quad., w of Santa Susana Comment
  CLARK-A1528-2852  Lupinus truncatus Art Whistler 1966-3-20 Los Angeles Chatsworth Comment
  LA200481  Lupinus truncatus A. M. Johnson; 1934-3-16 4337 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  RSA724497  Lupinus truncatus K. Dobry 1990-3-25 117 Los Angeles Simi Hills at Dayton Canyon Comment
  CAS-BOT-BC206277  Malacothamnus fasciculatus John Thomas Howell 1931-5-29 6583 Ventura Santa Susana Pass Comment
  CHSC100181  Malacothamnus fasciculatus John Dittes 2006-6-4 1396 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.4 air miles northwest of Chatsworth High School, ca. 1.2 air mile west of Topanga Blvd., ca. 0.6 air mile east x northeast of Santa Susana Pass. 426 Comment
  POM2947  Malacothamnus fasciculatus M. Hitchcock 1918-7-3 25 Los Angeles San Fernando Side of Topango [Topanga] Canyon Road. Comment
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May 29 2014
  RSA615867  Malacothamnus fasciculatus Scott D. White 1995-10-19 3708 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 335 Comment
  RSA739612  Malacothamnus fasciculatus John Dittes 2006-6-4 1396 Los Angeles Western Transverse Range, Simi Hills, N of Santa Susana Road, 2.4 air miles NW of Chatsworth High School, 1.2 air miles W of Topanga Blvd, 0.6 air mile ENE of Santa Susana Pass. 427 Comment
  SBBG126781  Malacothamnus fasciculatus R. Burgess, P. Munro 2011-4-15 8800 Ventura Rocky Peak Fire Rd ca. 0.5 mi from Hwy 118, City of Simi Valley, Santa Susana Mtns 617 Comment
  SFV2305  Malacothamnus fasciculatus P. G. Kilburn 1957-10-31 516 Los Angeles Simi Hills 2 miles west of Chatsworth Reservoir, near Cockrum Ranch. 350 Comment
  UCR3970  Malacothamnus fasciculatus Art Whistler 1965-5-1 s.n. Los Angeles San Fernando Valley, Chatsworth, at the W base of 'Stony Point,' which is at the N end of Topanga Canyon Blvd. 305 Comment
  UCR88662  Malacothamnus fasciculatus Scott D. White 1995-10-19 3708 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  LA105525  Malacothamnus fasciculatus var. fasciculatus Barry A. Prigge; 1989-5-13 8729 Los Angeles Santa Suzana Mountains, Blind Canyon: upper slope of canyon, ca 1.76mi NW of the junction of Simi Valley Fwy and Topanga Blvd, N of Chatsworth. 518 Comment
  POM53210  Malacothrix coulteri L. R. Abrams 1901-4-4 1321 Los Angeles Chatsworth Park. Comment
  CAS-BOT-BC170382  Malosma laurina Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susana Pass 457 Comment
  POM307207  Malosma laurina Henry J. Ramsey, Henry J. Ramsey 1937-6-25 2063 Ventura Santa Susana Pass. 489 Comment
  UCSB8652  Malosma laurina Haller, John 1950-5-14 Los Angeles Northwest corner of San Fernando Valley; near Chatsworth; under stony point Comment
  LA105351  Marah macrocarpa Barry A. Prigge; 1989-4-23 Los Angeles Santa Susana Mountains, between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  SFV5526  Marah macrocarpa W. A. Kelley 1968-1-20 76 1 Los Angeles Santa Susana Mountains Santa Susana Pass, Chatsworth. 500 Comment
  UCR3959  Marrubium vulgare Art Whistler 1965-5-1 s.n. Los Angeles San Fernando Valley, Chatsworth, at the W base of 'Stony Point,' which is at the N end of Topanga Canyon Blvd. 305 Comment
  UCR130508  Marsilea vestita subsp. vestita R. E. Riefner Jr. 2002-9-8 02- 226 Los Angeles Simi Hills, Chatsworth, Chatsworth County Park, NW portion of park 320 Comment
  POM349095  Medicago polymorpha Franklin W. Klepinger 1938-3-26 s.n. Los Angeles Santa Susana Pass. Comment
  CSUSB856  Melia azedarach Art Whistler 1966-5-17 Los Angeles On grassy roadbank west of Cohasset Street and near Roscoe Street at Valley Circle. Canoga Park (city). Comment
  CAS-BOT-BC281504  Melica imperfecta L. R. Abrams 1901-4-1 1346 Los Angeles San Fernando Mts Comment
  LA105322  Melica imperfecta Barry A. Prigge; 1989-4-23 8447 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  LA105544  Melica imperfecta Barry A. Prigge; 1989-5-13 8759 Los Angeles Santa Susana Mountains, Blind Canyon, ca. 1.5 mi. NW of junction of Simi Valley and Topanga Blvd., N of Chatsworth 472 Comment
  POM357055  Melica imperfecta H. L. Bauer 1931-4-1 s.n. Los Angeles Santa Suzana Pass. [Santa Susana] Comment
  POM50508  Melica imperfecta Le Roy Abrams 1901-04 1346 Los Angeles San Fernando Mts. 762 Comment
  POM3009  Mentzelia affinis L. R. Abrams 1901-4-4 1323 Los Angeles Chatsworth Park. Comment
  POM49185  Mentzelia affinis L. R. Abrams 1901-4-4 1323 Los Angeles Chatsworth Park. Comment
  RSA440348  Mentzelia affinis Anstruther Davidson 1911-5-28 s.n. Los Angeles Chatsworth Park. Comment
  CHSC100168  Mentzelia micrantha John Dittes 2006-6-4 1398 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.4 air miles northwest of Chatsworth High School, ca. 1.2 air mile west of Topanga Blvd., ca. 0.6 air mile east x northeast of Santa Susana Pass. 426 Comment
  LA201880  Mentzelia micrantha Arthur C. Gibson; 2003-4-15 4992 Los Angeles 487 Comment
  SBBG123661  Micranthes californica R. Burgess, P. Munro 2001-3-23 4387 Ventura Sage Ranch, W side of Black Cyn Rd, Simi Hills 563 Comment
  RSA416459  Microseris lindleyi Anstruther Davidson 1926-05 s.n. Ventura Santa Susana Pass. Comment
  LA200854  Mimulus aurantiacus Carl B. Wolf; 1936-4-24 7774 Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass, base of pass. 365 Comment
  LA200857  Mimulus aurantiacus C. B. Adams; 1936-4-24 7772 Los Angeles 365 Comment
  SDSU10752  Mimulus aurantiacus Gerald Collier 1951-4-5 Los Angeles Simi Hills, near North American Testing Grounds; 2 miles N of Chattsworth Lake. Comment
  SFV16365  Mimulus aurantiacus B. Kanno 1992-6-29 Los Angeles Santa Susana Mountains Stony Point. North end of CA-27. At top of rocky slope. 381 Comment
  SFV18789  Mimulus aurantiacus A. Dittmer 2004-4-15 40 Los Angeles Simi Hills, Chatsworth. On Woolsey Canyon, 50 feet from the intersection of Woolsey Canyon and Valley Circle Blvd. Roadside on NNW facing slope. Comment
  UCD122224  Mimulus aurantiacus Marc Meyer; Mike Alvord 1993-5-1 22 Los Angeles San Gabriel Mts., Chatsworth, at end of Desoto Ave. by 118 Fwy. 400 Comment
  CAS-BOT-BC7519  Mimulus aurantiacus var. pubescens Adele Lewis Grant 1920-6-10 1650 Ventura Santa Susanna Pass Comment
  GH367151  Mimulus aurantiacus var. pubescens C. B. Wolf 1936-4-24 7772 Unknown Base of Santa Susana Pass 365 Comment
  GH367152  Mimulus aurantiacus var. pubescens C. B. Wolf 1936-4-24 7774 Unknown Base of Santa Susana Pass 365 Comment
  JEPS4681  Mimulus aurantiacus var. pubescens Adele Lewis Grant 1920-6-10 1650 Ventura Santa Susanna Pass Comment
  JEPS4682  Mimulus aurantiacus var. pubescens Adele Lewis Grant 1920-6-10 1651 Ventura Santa Susanna Pass Comment
  JEPS87295  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-23 1078 Ventura Santa Susanna Pass at jct with Hwy 118 access road (summit) 480 Comment
  LA105326  Mimulus aurantiacus var. pubescens Barry A. Prigge; 1989-4-23 8440 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  OBI9531  Mimulus aurantiacus var. pubescens Carl B. Wolf 1936-4-24 7772 Los Angeles Base of Santa Susana Pass 366 Comment
  POM16496  Mimulus aurantiacus var. pubescens Adele Lewis Grant 1920-6-10 1651 Ventura Santa Susana Pass. Comment
  POM8128  Mimulus aurantiacus var. pubescens Fordyce Grinnell Jr. 1917-4-3 s.n. Los Angeles Hills near Chatsworth Park. Comment
  POM8131  Mimulus aurantiacus var. pubescens Fordyce Grinnell Jr. 1917-4-3 s.n. Los Angeles Hills near Chatsworth Park. Comment
  RSA17137  Mimulus aurantiacus var. pubescens Carl B. Wolf 1936-4-24 7774 Los Angeles Base of Santa Susana Pass. Comment
  RSA17138  Mimulus aurantiacus var. pubescens Carl B. Wolf 1936-4-24 7773 Los Angeles Santa Susana Pass, Comment
  RSA17139  Mimulus aurantiacus var. pubescens Carl B. Wolf 1936-4-24 7772 Los Angeles Santa Susana Pass, Comment
  RSA23582  Mimulus aurantiacus var. pubescens Carl B. Wolf, Percy C. Everett 1939-10-17 9540 Los Angeles Base of Santa Susana Pass. Comment
  RSA442634  Mimulus aurantiacus var. pubescens Tom Burch 1940-3-15 s.n. Los Angeles Santa Susana Pass, near Chatsworth. 610 Comment
  RSA442641  Mimulus aurantiacus var. pubescens F. Post 1931-4-1 s.n. Los Angeles Santa Susana Pass Comment
  RSA442644  Mimulus aurantiacus var. pubescens H. L. Bauer 1931-4-1 15470 Los Angeles Santa Suzana Pass. [Santa Susana] Comment
  RSA442662  Mimulus aurantiacus var. pubescens Howard Mullins 1931-3-15 s.n. Los Angeles Santa Susana. [pass?] Comment
  RSA447921  Mimulus aurantiacus var. pubescens D. A. Young 1969-3-15 P- 440 Los Angeles 3 mi. NW of Chatsworth, CA S. of Hiway 118 on Santa Susana Rd. Southern Oak Wd. 293 Comment
  RSA448191  Mimulus aurantiacus var. pubescens Howard Mullins 1931-3-15 s.n. Ventura Santa Susana Pass. Comment
  RSA550784  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-23 1078 Ventura Santa Susanna Pass Road at jct with Hwy 118 access road (summit). 479 Comment
  SFV15854  Mimulus aurantiacus var. pubescens D. M. Thompson 1992-5-23 1078 Ventura Santa Susana Mountains Santa Susana Pass. Road at junction with Highway 118 access road (summit). 479 Comment
  SFV3387  Mimulus aurantiacus var. pubescens M. L. Vincent 1963-5-7 344 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.5 miles off the main road on a path. 489 Comment
  UC688888  Mimulus aurantiacus var. pubescens J. F. Ashley 1941-5-10 Los Angeles Chatsworth Lake Comment
  UC718209  Mimulus aurantiacus var. pubescens Carl B. Wolf 1936-4-24 7774 Los Angeles base Santa Susana Pass 365 Comment
  UC718217  Mimulus aurantiacus var. pubescens Carl B. Wolf 1936-4-24 7772 Ventura base Santa Susana Pass 365 Comment
  UC943821  Mimulus aurantiacus var. pubescens H. E. McMinn and M. Van Rensselaer 1945-6-6 1886 C Ventura about 3 mi e Santa Susana Comment
  UC943822  Mimulus aurantiacus var. pubescens H. E. McMinn and M. Van Rensselaer 1945-6-6 1886 B-2 Ventura about 3 mi e Santa Susana Comment
  UC943823  Mimulus aurantiacus var. pubescens H. E. McMinn and M. Van Rensselaer 1945-6-6 1886 B-1 Ventura about 3 mi e Santa Susana Comment
  UC943824  Mimulus aurantiacus var. pubescens H. E. McMinn and M. Van Rensselaer 1945-6-6 1886 A-1 Ventura about 3 mi e Santa Susana Comment
  UC943825  Mimulus aurantiacus var. pubescens H. E. McMinn and M. Van Rensselaer 1945-6-6 1886 A-2 Ventura about 3 mi e Santa Susana Comment
  UC943826  Mimulus aurantiacus var. pubescens H. E. McMinn and M. Van Rensselaer 1945-6-6 1886 D Ventura about 3 mi e Santa Susana Comment
  UC943834  Mimulus aurantiacus var. pubescens H. E. McMinn and M. Van Rensselaer 1945-6-6 1886 E Ventura about 3 mi e Santa Susana Comment
  UC943838  Mimulus aurantiacus var. pubescens H. E. McMinn and M. Van Rensselaer 1945-6-6 1886 F Ventura about 3 mi e Santa Susana Comment
  UC943894  Mimulus aurantiacus var. pubescens H. E. McMinn and M. Van Rensselaer 1945-6-6 1886 DEF Ventura about 3 mi e Santa Susana Comment
  UC943895  Mimulus aurantiacus var. pubescens H. E. McMinn and M. Van Rensselaer 1945-6-6 1886 Ventura about 3 mi e Santa Susana Comment
  UCD122369  Mimulus aurantiacus var. pubescens Daryl Koutnik 1978-3-29 s.n. Los Angeles Chatsworth Resevoir at the west end of the San Fernando Valley. 365 Comment
  UCR131704  Mimulus aurantiacus var. pubescens C. B. Wolf 1936-4-24 07772 Los Angeles Base of Santa Susana Pass 366 Comment
  UCSB7527  Mimulus aurantiacus var. pubescens Wedberg, H. 1958-3-9 Los Angeles one mile N of Chatsworth Comment
  LA200853  Mimulus brevipes Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  UC688889  Mimulus brevipes J. F. Ashley 1941-5-10 Los Angeles Chatsworth Lake Comment
  SBBG120901  Mimulus guttatus R. Burgess, P. Munro 1997-3-8 2174 Ventura Rocky Peak Rd, N of St Hwy 118; Santa Susana Mtns 518 Comment
  SBBG120943  Mimulus guttatus R. Burgess, P. Munro 1994-4-17 1235 Ventura Hummingbird Trail, N end of Keuhner Rd, Santa Susana Mtns 335 Comment
  CAS-BOT-BC213643  Mimulus longiflorus var. rutilus Adele Lewis Grant 1920-6-10 1650 Ventura Santa Susanna Pass Comment
  NY90740  Mimulus longiflorus var. rutilus A. L. Grant 1920-6-10 1650 Ventura Santa Susanna Pass. Comment
  NY90741  Mimulus longiflorus var. rutilus A. L. Grant 1920-6-10 1650 Ventura Santa Susanna Pass. Comment
  SEINET7072491  Mirabilis californica A. G. Vestal 1963-3-29 s.n. Ventura About 1.5 miles southeast of Simi near Chatsworth Reservoir. Coordinate datum: NAD27. Comment
  UCR3974  Mirabilis californica Art Whistler 1965-5-1 s.n. Los Angeles San Fernando Valley, Chatsworth, at the NW base of 'Stony Point,' which is at the N end of Topanga Canyon Blvd. 290 Comment
  HSC16158  Mirabilis laevis David Porter 1965-5-6 Los Angeles 1 mi. N of Chatsworth, Simi Hills 351 Comment
  CAS-BOT-BC434619  Mirabilis laevis var. crassifolia Le Roy Abrams 1901-4-4 1337 Los Angeles Chatsworth Park Comment
  CAS-BOT-BC434634  Mirabilis laevis var. crassifolia Carl B. Wolf 1928-4-1 1607 Los Angeles Santa Susanna Pass 1/2 mi. from Summit 457 Comment
  POM305306  Mirabilis laevis var. crassifolia Henry J. Ramsey, Henry J. Ramsey 1937-3-22 626 Los Angeles Santa Susana Pass 293 Comment
  RSA11021  Mirabilis laevis var. crassifolia Carl B. Wolf 1928-4-1 1607 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  RSA464657  Mirabilis laevis var. crassifolia Tom Burch 1940-3-15 s.n. Los Angeles Santa Susana Pass, near Chatsworth. 610 Comment
  UCD98145  Mirabilis laevis var. crassifolia Daryl Koutnik 1978-3-29 s.n. Los Angeles Chatsworth Resevoir at the west end of the San Fernando Valley. 365 Comment
  UCSB70940  Mirabilis laevis var. crassifolia Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  RSA673  Monardella lanceolata J. T. Howell 1928-6-30 1029 Ventura Santa Susana Pass. 457 Comment
  CAS-BOT-BC275214  Muhlenbergia microsperma Carl B. Wolf 1928-4-1 1616 Ventura Santa Susana Pass, 0.5 mile below the summit 457 Comment
  CHSC100188  Muhlenbergia microsperma John Dittes 2006-6-4 1393 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.3 air miles northwest of Chatsworth High School, ca. 0.9 air mile west of Topanga Blvd. ca. 0.8 air miles east x northeast of Santa Susana Pass. 381 Comment
  RSA11012  Muhlenbergia microsperma C. B. Wolf 1928-4-1 1616 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  RSA627557  Muhlenbergia microsperma Sandra Leatherman, Brian Daniels 1998-5-8 40 Los Angeles South of Woolsey Canyon Road approx. 0.25 mile down the existing dirt road. 366 Comment
  RSA725309  Muhlenbergia microsperma K. Dobry 1990-3-25 1 -231 Los Angeles Simi Hills at Dayton Canyon Comment
  RSA739661  Muhlenbergia microsperma John Dittes 2006-6-4 1393 Los Angeles Western Transverse Range, Simi Hills, N of Santa Susana Raod, 2.3 ir miles NW of chatsworth Highchool, 0.9 air mile W of Topanga Blvd, 0.8 air mile ENE of Santa Susana Pass 381 Comment
  SFV18073  Myoporum laetum V. A. Devlahovich 1999-4-6 s. n. Los Angeles Santa Susana Mountains Santa Susana Mountains. Stagecoach Trail. 366 Comment
  LA206396  Nassella lepida Barry A. Prigge; 1989-4-23 8444 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  RSA469842  Navarretia hamata subsp. hamata Geo L. Moxley, Grinnell 1916-6-15 483 Los Angeles Hills near Santa Susana Pass. Comment
  RSA578  Navarretia hamata subsp. parviloba J. T. Howell 1928-6-30 1017 Ventura Santa Susana Pass. Comment
  OBI9179  Nicotiana glauca Unknown 1960-5-29 s.n. Los Angeles Chatsworth, Lake side Comment
  RSA426786  Nicotiana glauca Howard Mullins 1931-3-15 s.n. Los Angeles Chatsworth. Comment
  SBBG122489  Nicotiana glauca R. Burgess, P. Munro 1994-2-5 1174 Ventura Chumash Park E of Flanagan Drive; Simi Valley 487 Comment
  UCR3994  Nicotiana quadrivalvis Art Whistler 1965-5-1 s.n. Ventura On E side of Kuehner Drive about 50 yards north of its intersection with Menlo Drive, about 1/2 mi north of State Hwy 118, in Simi Valley 305 Comment
  LA200073  Notholaena californica Lawrence L. Kiefer; 1962-12-30 345 Los Angeles SIMI HILLS, hills NW of Chatsworth (Simi Hills?). 304 Comment
  UCD124109  Nuttallanthus texanus Daryl Koutnik 1978-4-14 363 Los Angeles Simi Hills at west end of Devonshire Blvd. 365 Comment
  RSA434239  Paeonia californica Howard Mullins 1931-3-15 s.n. Los Angeles Santa Susana Pass Comment
  SBBG120986  Paeonia californica R. Burgess, P. Munro 1994-2-5 1172 Ventura S of Santa Susana Pass Rd, E end of Simi Valley, Santa Susana Mtns 518 Comment
  SEINET7072486  Paeonia californica A. G. Vestal 1963-3-29 s.n. Ventura About 1.5 miles southeast of Simi near Chatsworth Reservoir. Coordinate datum: NAD27. Comment
  SFV21722  Paeonia californica C. T. Walsh 2004-4-9 5 Ventura Santa Susana Mountains Chumash Trail. 500 Comment
  POM50187  Parietaria hespera L. R. Abrams 1901-04 1349 Los Angeles Chatsworth Park. Comment
  CAS-BOT-BC413408  Parietaria hespera var. hespera Le Roy Abrams 1901-4-5 1349 Los Angeles San Fernando Mts., Chatsworth Park 457 Comment
  SFV15665  Parkinsonia aculeata B. Kanno 1992-5-10 91 Los Angeles Santa Susana Mountains Stony Point, north end of CA-Highway 27. West side of area. 324 Comment
  UCD108120  Parkinsonia aculeata Brenda J. Kanno-Lai 1992-5-10 91 Los Angeles Stoney Point, N end of CA 27, west side of area. 324 Comment
  UCD108121  Parkinsonia aculeata Brenda J. Kanno-Lai 1992-5-10 91 Los Angeles Stoney Point, N end of CA 27, west side of area. 324 Comment
  RSA724394  Pectocarya linearis subsp. ferocula K. Dobry 1990-3-25 d- 102 Los Angeles Simi Hills at Dayton Canyon Comment
  UCD120127  Pectocarya linearis subsp. ferocula Daryl Koutnik 1978-4-14 366 Los Angeles Simi Hills at west end of Devonshire Blvd. 365 Comment
  SEINET7072493  Pectocarya penicillata A. G. Vestal 1963-3-29 s.n. Ventura About 1.5 miles southeast of Simi near Chatsworth Reservoir. Coordinate datum: NAD27. Comment
  SEINET7072492  Pellaea andromedifolia A. G. Vestal 1963-3-29 s.n. Ventura About 1.5 miles southeast of Simi near Chatsworth Reservoir. Coordinate datum: NAD27. Comment
  UCR88659  Pellaea mucronata Scott D. White 1995-10-19 3713 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  UCSB70844  Pellaea mucronata Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  SBBG127884  Pellaea mucronata subsp. californica R. Burgess, P. Munro 2009-1-18 8193 Ventura Rocky Peak Fire Rd, Santa Susanna Mtns 632 Comment
  SBBG126790  Pellaea mucronata subsp. mucronata R. Burgess, P. Munro 2011-4-22 8797 Ventura Rocky Peak Rd, grassy area to E of rd, Santa Susana Mtns 581 Comment
  RSA616536  Pellaea mucronata var. mucronata Scott D. White 1995-10-19 3713 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  HSC10544  Pennisetum setaceum C. E. Fellows 1965-4-15 39 Los Angeles 2/10 mi. past Los Angeles city limits on Hwy. 118. Comment
  SBBG127765  Pennisetum setaceum R. Burgess, S. Chaney, D. Richards, P. Munro 2009-1-18 8189 Ventura Rocky Peak Fire Rd, Santa Susanna Mtns 614 Comment
  LA200890  Penstemon centranthifolius A. M. Johnson; 1934-3-16 4363 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  POM50423  Penstemon centranthifolius L. R. Abrams 1901-4-5 1340 Los Angeles Chatsworth Park Comment
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Mar 6 2011
  UCSB45823  Penstemon heterophyllus var. heterophyllus Green, Lisa 1980-5-30 Los Angeles 1/2 mi. E. of Iverson Rd; N. of the Simi Valley Freeway 426 Comment
  RSA0059760  Pentagramma glanduloviscida F. M. Cota 1930-1 24 San Diego From S.D. [San Diego] City. Comment
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Mar 10 2019
  SFV12921  Phacelia affinis M. J. Thor 1982-5-19 114 Ventura Santa Susana Mountains On dirt road, off Box Canyon Expressway - North American Cut Off. Northeast of Rockadyne Plant. On property about to be developed. Comment
  POM3283  Phacelia cicutaria var. hispida C. L. Hitchcock 1918-7-3 14 Los Angeles San Fernando Side of Topango [Topanga] Canyon Road. Comment
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May 29 2014
  POM49688  Phacelia cicutaria var. hispida L. R. Abrams 1901-04 s.n. Los Angeles San Fernando Mts. 762 Comment
  RSA11007  Phacelia cicutaria var. hispida Carl B. Wolf 1928-4-1 1622 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  RSA599  Phacelia cicutaria var. hispida J. T. Howell 1928-6-30 1027 Ventura Santa Susana Pass. 457 Comment
  UCD120316  Phacelia cicutaria var. hispida Daryl Koutnik 1978-4-14 351 Los Angeles Simi Hills at west end of Devonshire Blvd. 365 Comment
  VVC3376  Phacelia cicutaria var. hispida Tim Thomas 1973-5-10 36 Ventura Transverse Range, Eastern Simi Hills, south east slope of Chatsworth Peak, El Rancho Adobe, vic Box Cyn. 564 Comment
  HSC13631  Phacelia cicutaria var. hubbyi G. E. Anderson 1966-4-4 18 Los Angeles 12 mi. N of Topanga near Hwy. 27 Comment
  CHSC100166  Phacelia distans John Dittes 2006-6-4 1389 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.3 air-miles northwest of Chatsworth Highschool, ca. 0.9 air-mile west of Topanga Blvd., ca. 0.8 air-mile east x northeast of Santa Susana Pass. 381 Comment
  LA105386  Phacelia grandiflora O. H. Kappler; Los Angeles Santa Susana Mountains, between Falls Creek and Devil Canyon: ca. 1 air mi. NE of junction of Simi Valley Frwy and Topanga Canyon Blvd 502 Comment
  RSA11017  Phacelia grandiflora Carl B. Wolf 1928-4-1 1611 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  RSA427972  Phacelia grandiflora Geo. L. Moxley, Grinnell 1916-6-15 486 Los Angeles Santa Susana Mtns.: Devil s Canyon. Comment
  CAS-BOT-BC159086  Phacelia ramosissima var. latifolia Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susana Pass Comment
  RSA598  Phacelia ramosissima var. latifolia J. T. Howell 1928-6-30 1016 Ventura Santa Susana Pass. 457 Comment
  POM4239  Phacelia viscida C. L. Hitchcock 1918-7-3 15 Los Angeles San Fernando Side of Topango [Topanga] Canyon Road. Comment
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May 29 2014
  UCD120811  Plagiobothrys canescens Daryl Koutnik 1978-4-14 356 Los Angeles Simi Hills at west end of Devonshire Blvd. 365 Comment
  SBBG114885  Plagiobothrys collinus var. fulvescens R. Burgess, P. Munro 2001-3-23 4394 Ventura Sage Ranch, W side of Black Cyn Rd, Simi Hills 548 Comment
  SBBG114886  Plagiobothrys collinus var. fulvescens R. Burgess, P. Munro 2001-3-23 4392 Ventura Sage Ranch, W side of Black Cyn Rd, Simi Hills 548 Comment
  SBBG114887  Plagiobothrys collinus var. fulvescens R. Burgess, P. Munro 2001-3-23 4393 Ventura Sage Ranch, W side of Black Cyn Rd, Simi Hills 548 Comment
  POM368936  Plagiobothrys nothofulvus Tom Burch 1940-3-15 4022 -6 Los Angeles Santa Susana Pass, near Chatsworth. 610 Comment
  POM50665  Plagiobothrys nothofulvus L. R. Abrams 1901-4-4 1327 Los Angeles Chatsworth Park. Comment
  UCR241111  Plagiobothrys tenellus Tim Thomas 1991-5-2 1425 Ventura Transverse Range, east end of the Simi Hills, Sage Ranch, small drainage on east end of park 604 Comment
  VVC2188  Plagiobothrys tenellus Tim Thomas 1991-5-2 1425 Ventura Transverse Range., East end of the Simi Hills; Sage Ranch, small drainage on east end of park. 604 Comment
  LA200740  Plantago erecta Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  LA12626  Poa secunda subsp. secunda Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass Comment
  SBBG114571  Poa secunda subsp. secunda R. Burgess, P. Munro 2001-3-23 4395 Ventura Sage Ranch, W side of Black Cyn Rd, Simi Hills 563 Comment
  UCD91689  Poa secunda subsp. secunda Daryl Koutnik 1978-3-29 s.n. Los Angeles Chatsworth Resevoir at the W end of the San Fernando Valley. 365 Comment
  UCD91690  Poa secunda subsp. secunda Daryl Koutnik 1978-4-14 357 Los Angeles Simi Hills at W end of Devonshire Blvd. 365 Comment
  SBBG133525  Polycarpon tetraphyllum var. tetraphyllum R. Burgess, P. Munro, S. Chaney, D. Richards 2005-4-16 6781 Ventura E end of Simi Hills, Corriganville Park; Simi Valley 304 Comment
  LA4266  Polypodium californicum A. M. Johnson; 1934-3-16 4346 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  LA4302  Polypodium californicum Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  LA4516  Polypodium californicum A. M. Johnson; 1934-3-16 4358 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  RSA689957  Polypodium californicum Florence Collins 1942-2-24 s.n. Ventura Santa Susana Pass Comment
  SBBG127883  Polypodium californicum R. Burgess, P. Munro 2009-1-18 8192 Ventura Rocky Peak Fire Rd, Santa Susanna Mtns 566 Comment
  UCSB71945  Polypodium californicum Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  LA105531  Polypogon interruptus Barry A. Prigge; 1989-5-13 8756 Los Angeles Santa Susana Mountains, Devil Canyon, 1.5 mi. NW of junction of Simi Valley and Topanga Blvd., N of Chatsworth 435 Comment
  SFV18850  Populus tremuloides S. Kimball, P. Wilson 2001-6-15 211 Inyo Sierra Nevada On a slope near a creek. 2904 Comment
  HSC19567  Prunus ilicifolia C. E. Fellows 1965-4-13 35 Los Angeles 1/4 mi. S of Hwy. 118 on Box Canyon Rd., Chatsworth Comment
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Oct 1 2014
  LA105366  Prunus ilicifolia Barry A. Prigge; 1989-4-23 8465 Los Angeles Santa Susana Mountains, Devil Canyon: 1.4 air mi. NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 518 Comment
  RSA454136  Prunus ilicifolia A. M. Johnson 1934-3-16 4347 Los Angeles Johnson's Ranch, beyond Chatsworth, Simi Hills. Comment
  LA200822  Prunus ilicifolia subsp. ilicifolia A. M. Johnson; 1934-3-16 4347 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  OBI74756  Pseudognaphalium biolettii K. Dobry 1990-3-25 221 Los Angeles Simi hills at Dayton Cyn Comment
  UCD135045  Pseudognaphalium biolettii Daryl Koutnik 1978-4-14 352 Los Angeles Simi Hills at W end of Devonshire Blvd. 365 Comment
  UCSB70841  Pseudognaphalium biolettii Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  LA202449  Pseudognaphalium microcephalum Arthur C. Gibson; 2003-8-3 4938 Los Angeles Simi Hills, Box Canyon, hiking trail along Box Canyon Rd, ca 0.3 km S of Pioneer Pass 496 Comment
  CAS-BOT-BC421191  Pterostegia drymarioides Le Roy Abrams 1901-4-5 1348 Los Angeles San Fernando Mts. near Chatsworth Park. Comment
  CAS-BOT-BC45675  Quercus agrifolia LeRoy Abrams 1901-4-4 1334 Los Angeles Chatsworth Park Comment
  RSA476857  Quercus agrifolia G. R. Johnstone 1931-10-24 14030 Los Angeles Brown Canyon. Comment
  SFV865  Quercus agrifolia P. G. Kilburn 1957-10-31 533 Los Angeles Simi Hills 2 miles west of Chatsworth Reservoir. 350 Comment
  UCD45088  Quercus agrifolia var. agrifolia Antonio F. Machado; Lisa Seemann 1993-3-5 21 a Los Angeles Santa Susana Mtns., Stony Point at the jcn. of Santa Susana Pass and Topanga Cyn. Hwy. 400 m elev. 400 Comment
  LA105365  Quercus berberidifolia Barry A. Prigge; 1989-4-23 8463 Los Angeles Santa Susana Mountains, Devil Canyon: 1.4 air mi. NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 518 Comment
  SBBG121306  Quercus berberidifolia R. Burgess, P. Munro 1997-3-8 2173 Ventura Rocky Peak Rd, N of St Hwy 118; Santa Susana Mtns 487 Comment
  CAS-BOT-BC61540  Quercus lobata Le Roy Abrams 1901-4-4 1335 Los Angeles Chatsworth Park Comment
  SFV892  Quercus lobata P. G. Kilburn 1957-10-31 534 Los Angeles San Fernando Valley Chatsworth Circle Road opposite Chatsworth Reservoir, 150 feet east of road. 275 Comment
  CAS-BOT-BC59380  Rhamnus ilicifolia Carl B. Wolf 1928-4-1 1621 Ventura Santa Susana Pass, 1/2 mi. below the summit 457 Comment
  CAS-BOT-BC59418  Rhamnus ilicifolia Carl B. Wolf 1928-4-1 1621 Ventura Santa Susana Pass, 1/2 mi. below the summit 457 Comment
  LA200808  Rhamnus ilicifolia Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  LA200809  Rhamnus ilicifolia C. B. Adams; 1928-4-1 1621 Ventura SIMI HILLS SANTA SUSANA MOUNTAINS, Santa Susana Pass, 0.5 mi below the summit. 457 Comment
  LA200810  Rhamnus ilicifolia A. M. Johnson; 1934-3-16 4365 Los Angeles Simi Hills-Santa Susana Mountains, Santa Susana Pass, beyond Chatsworth near summit of pass 457 Comment
  OBI6048  Rhamnus ilicifolia Carl B. Wolf 1928-4-1 1621 Ventura Santa Susana Pass, 1/2 mi below the summit 457 Comment
  RSA165265  Rhamnus ilicifolia Mark Parratt 1963-4-15 514 Los Angeles Diamond Bar Ranch area. Comment
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Aug 20 2014
  RSA7838  Rhamnus ilicifolia Carl B. Wolf 1928-4-1 1621 Ventura Santa Susana Pass. 1/2 mile below the summit Comment
  A347378  Rhus L. Abrams 1901-04-01 - 1901-05-01 1369 Unknown San Fernando Mts., near Chatsworth Park Comment
  CAS-BOT-BC167918  Rhus integrifolia Le Roy Abrams 1901-4-5 1369 Los Angeles San Fernando Mts. near Chatsworth Park Comment
  RSA121797  Rhus integrifolia R. St John 1930-1-6 66 Los Angeles N.W. Cor. Los Angeles. City Limits (Santa Susana) 522 Comment
  SFV2143  Rhus ovata P. G. Kilburn 1957-10-31 531 Los Angeles Simi Hills 2 miles west of Chatsworth Reservoir. 350 Comment
  CAS-BOT-BC169014  Ribes indecorum Carl B. Wolf 1928-4-1 1617 Ventura Santa Susanna Pass 1/2 mi. below summit. 457 Comment
  CLARK-A1528-4131  Ribes indecorum Art Whistler 1966-3-12 Los Angeles San Fernando Valley Comment
  RSA0025055  Ribes indecorum Carl B. Wolf 1928-4-1 1617 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  SBBG116290  Ribes indecorum R. Burgess, P. Munro 2001-3-23 4386 Ventura Sage Ranch, W side of Black Cyn Rd, Simi Hills 563 Comment
  SBBG122500  Ribes indecorum R. Burgess, P. Munro 1997-3-8 2175 Ventura Rocky Peak Rd, N of St Hwy 118; Santa Susana Mtns 487 Comment
  SBBG127882  Ribes indecorum R. Burgess, P. Munro 2009-1-18 8191 Ventura Rocky Peak Fire Rd, Santa Susanna Mtns 566 Comment
  SFV5513  Ribes indecorum W. A. Kelley 1968-1-20 s. n. Los Angeles Santa Susana Mountains Santa Susana Pass, Chatsworth. 500 Comment
  SFV6146  Ribes indecorum K. A. Wilson, T. Gordon, M. H. Grayum 1974-2-8 1347 Ventura Simi Hills Santa Susana. Lilac Lane. 490 Comment
  UC1127324  Ribes indecorum P. L. Johannsen 1934-1-24 253 Los Angeles Santa Susana Pass Santa Susana Quadrangle Comment
  UCR3987  Ribes indecorum Art Whistler 1965-5-1 s.n. Los Angeles San Fernando Valley, Chatsworth, at the NW base of 'Stony Point,' which is at the N end of Topanga Canyon Blvd. 290 Comment
  UCSB70842  Ribes indecorum Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  LA105368  Ribes malvaceum Barry A. Prigge; 1989-4-23 8469 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air miles NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 510 Comment
  LA200835  Ribes malvaceum Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  SBBG122517  Ribes malvaceum R. Burgess, P. Munro 1997-3-8 2176 Ventura Rocky Peak Rd, N of St Hwy 118; Santa Susana Mtns 548 Comment
  SBBG72055  Ribes malvaceum M. B. Dunkle 1928-12-30 Los Angeles top of Santa Susana Pass Comment
  RSA508658  Ribes speciosum Mark Parratt 1963-4-15 517 Los Angeles Diamond Bar Ranch area. Comment
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Aug 20 2014
  SFV2121  Ricinus communis P. G. Kilburn 1958-3-5 646 Los Angeles San Fernando Valley Base of Oat Mountain, Brown Canyon. 300 yards north of De Soto Ave. storage pond. 366 Comment
  UCD142322  Ricinus communis P. Kilburn 1958-3-5 646 Los Angeles San Fernando Valley, base of Oat Mtn., Brown Canyon, 300 yds N. of Desoto Ave. storage pond. 365 Comment
  LA200824  Rosa californica Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass Comment
  UCR130510  Sagittaria latifolia R. E. Riefner Jr. 2002-9-8 02- 255 Los Angeles Simi Hills, Chatsworth, Chatsworth County Park, NW portion of park 320 Comment
  CAS-BOT-BC103153  Salix bonplandiana Le Roy Abrams 1901-4-5 1362 Los Angeles San Fernando Mts. near Chatsworth Park Comment
  CAS-BOT-BC103163  Salix bonplandiana L. R. A. 1901-4-5 1362 Los Angeles [Canon] Canyon near Chatsworth Park Comment
  LA105372  Salix exigua var. hindsiana Barry A. Prigge; 1989-4-23 8474 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 429 Comment
  LA105373  Salix laevigata Barry A. Prigge; 1989-4-23 8475 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air miles NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 429 Comment
  POM362614  Salix lasiolepis G. R. Johnstone 1931-10-24 s.n. Los Angeles Brown Canyon. Comment
  POM362725  Salix lasiolepis G. R. Johnstone 1932-1-24 s.n. Los Angeles Twin Lakes. 305 Comment
  SD232798  Salix lasiolepis John Wear 1994-2-24 94 1 Ventura Simi Valley, White Oaks Park, ca. 2 miles WSW of Rocky Peak (at the Los Angeles Co. line), N side of the Simi Valley (118) Freeway, N of Santa Susana Knolls. 366 Comment
  UCR87876  Salix lasiolepis John Wear 1994-2-24 94- 01 Ventura Simi Valley, White Oaks Park, c. 2 mi. WSW of Rocky Peak (at the Los Angeles Co. line), north side of the Simi Valley Freeway (118), north of Santa Susana Knolls 366 Comment
  RSA268620  Salvia apiana Sandy Leatherman, Brian Daniels 1998-5-8 5 Los Angeles Santa Monica Mountains: south of Woolsey Canyon Road approx. 1 mile down the existing dirt road. 366 Comment
  LA70071  Salvia columbariae Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  CAS-BOT-BC233698  Salvia leucophylla Moxley; Grinnell 1916-6-5 489 Los Angeles Devil's Canyon, Santa Susanna Mts. Comment
  RSA446319  Salvia leucophylla Geo. L. Moxley, Grinnell 1916-6-15 489 Los Angeles Santa Susana Mtns.: Devil s Canyon. Comment
  RSA446338  Salvia leucophylla Anstruther Davidson 1915-06 s.n. Ventura Near Santa Susanna Pass. Comment
  SFV3219  Salvia leucophylla P. G. Kilburn 1957-10-31 523 Los Angeles Simi Hills 2 miles west of Chatsworth Reservoir. 350 Comment
  JEPS62739  Salvia mellifera W. L. Jepson 1920-4-8 8465 Ventura Santa Susanna Pass 487 Comment
  RSA305332  Salvia mellifera Henry J. Ramsey 1937-3-22 624 Los Angeles Santa Susana Pass 293 Comment
  RSA434157  Salvia mellifera Howard Mullins 1931-3-15 s.n. Ventura Santa Susana Pass. Comment
  SBBG126744  Salvia mellifera R. Burgess, P. Munro 2011-4-15 8794 Ventura Rocky Peak Rd, amongst boulders E of rd; Santa Susanna Mtns 581 Comment
  SDSU7390  Salvia mellifera Gerald Collier 1951-4-5 446 Los Angeles Simi hills on road to entrance of north america n rocket testing grounds about 2 miles NE of Chattsworth Lake. Grassy slope. Comment
  SFV3235  Salvia mellifera P. G. Kilburn 1958-2-28 637 Los Angeles Santa Susana Mountains Oat Mountain. Browns Canyon. 400 Comment
  UCD125597  Salvia mellifera Marc Meyer; Mike Alvord 1993-5-1 25 Los Angeles San Gabriel Mts., Chatsworth, at end of Desoto Ave. by 118 Fwy. South-facing slope. 400 Comment
  UCR3962  Salvia mellifera Art Whistler 1965-3-27 s.n. Los Angeles Transverse Range; Santa Susana Mtns., fire road through a canyon about 0.5 mi west of Chatsworth Reservoir in Chatsworth 274 Comment
  SFV10442  Salvia spathacea M. J. Teiman 1979-4-27 24 Ventura Simi Hills Box Canyon Road, 1 mile from Santa Susana Pass Road on dirt access road parallel to main road. 540 Comment
  UCD125616  Salvia spathacea Daryl Koutnik 1978-4-14 361 Los Angeles on north-facing slop; Simi Hills at W end of Devonshire Blvd. 365 Comment
  CAS-BOT-BC238736  Sambucus nigra subsp. caerulea Le Roy Abrams 1901-4-4 1326 Los Angeles Chatsworth Park Comment
  JEPS198  Sanicula arguta W. L. Jepson 1920-4-8 8467 Ventura Santa Susanna Pass 487 Comment
  LA32911  Sanicula arguta Carl Epling; 1926-4-10 5918 Los Angeles Simi Hills - Santa Susana Mountains, Santa Susana Pass Comment
  RSA470991  Sanicula arguta Anstruther Davidson 1926-5-1 s.n. Ventura Santa Susana Pass. Comment
  UCD127916  Sanicula arguta Daryl Koutnik 1978-4-14 365 Los Angeles Simi Hills at west end of Devonshire Blvd. 365 Comment
  LA105327  Schismus barbatus Barry A. Prigge; 1989-4-23 8437 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  SFV20726  Scirpus acutus var. occidentalis I. Irvine 2004-3-24 s. n. Ventura Simi Valley North of Highway 118 at Kuehner Ave. 335 Comment
  SFV12923  Scrophularia californica subsp. floribunda M. J. Thor 1982-5-19 112 Ventura Santa Susana Mountains On dirt road, off Box Canyon Expressway - North American Cut Off. Northeast of Rockadyne Plant. On property about to be developed. Comment
  LA54475  Scutellaria tuberosa A. M. Johnson; 1934-3-16 4374 Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  RSA11010  Scutellaria tuberosa Carl B. Wolf 1928-4-1 1618 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  UCD125746  Scutellaria tuberosa Daryl Koutnik 1978-4-14 355 Los Angeles Simi Hills at W end of Devonshire Blvd. 365 Comment
  SBBG124152  Selaginella bigelovii R. Burgess, P. Munro 1994-2-5 1178 Ventura open space E of Flanagan Street; Simi Valley 487 Comment
  UCR88694  Selaginella bigelovii Scott D. White 1995-10-19 3702 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  UC1070176  Senecio flaccidus var. douglasii P. L. Johannsen 1934-1-25 240 Los Angeles Brown's Canyon Santa Susana Quad., Brown's Canyon Comment
  CAS-BOT-BC384478  Silene antirrhina Le Roy Abrams 1901-4-4 1325 Los Angeles Chatsworth Park Comment
  UCR88697  Silene antirrhina Scott D. White 1995-10-19 3699 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  SFV10448  Silene gallica M. J. Teiman 1979-4-27 29 Ventura Simi Hills Box Canyon Road, 1 mile from Santa Susana Pass Road on dirt access road parallel to main road. 540 Comment
  SFV1221  Silene gallica P. G. Kilburn 1958-2-23 618 Los Angeles Santa Susana Mountains South slope of Oat Mountain. Roadside, 50 yards northwest of Brown Canyon Road. 366 Comment
  VVC3388  Silene gallica Tim Thomas 1973-5-10 38 Ventura Transverse Range, Eastern Simi Hills, south east slope of Chatsworth Peak, El Rancho Adobe, vic Box Cyn. 564 Comment
  CAS-BOT-BC174892  Silene laciniata Clare B. Hardham 1958-6-14 3699 Los Angeles Chatsworth Hills Comment
  CAS-BOT-BC174895  Silene laciniata Moxley; Grinnell 1916-6-15 491 Los Angeles Hills near Santa [Susanna] Susana Pass Comment
  SBBG15449  Silene laciniata subsp. laciniata C. B. Hardham 1958-6-14 3699 Los Angeles Chatsworth Hills Comment
  SFV10447  Silene laciniata subsp. laciniata M. J. Teiman 1979-4-27 23 Ventura Simi Hills Box Canyon Road, 1 mile from Santa Susana Pass Road on dirt access road parallel to main road. 540 Comment
  SFV1227  Silene laciniata subsp. laciniata P. G. Kilburn 1958-5-6 778 Los Angeles Santa Susana Mountains Iverson Ranch. 1.5 miles north of Chatsworth. 457 Comment
  POM286  Silene laciniata subsp. major M. Hitchcock 1918-7-3 9 Los Angeles San Fernando Side of Topango [Topanga] Canyon Road. Comment
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May 29 2014
  SBBG133309  Sisymbrium orientale R. Burgess, P. Munro, S. Chaney, D. Richards 2005-4-16 6783 Ventura Corriganville Park, E end of Simi Valley; Simi Valley 304 Comment
  VVC3378  Sisymbrium orientale Tim Thomas 1973-5-10 37 Ventura Transverse Range, Eastern Simi Hills, south east slope of Chatsworth Peak, El Rancho Adobe, vic Box Cyn. 564 Comment
  RSA366989  Sisyrinchium bellum Howard Mullins 1931-3-15 s.n. Ventura Santa Susana Pass. Comment
  RSA366990  Sisyrinchium bellum Franklin W. Klepinger 1938-3-26 s.n. Los Angeles Santa Susana Pass. Comment
  HSC21303  Solanum douglasii David Porter 1965-5-6 Los Angeles 1 mi. N of Chatsworth, Simi Hills 351 Comment
  UCR87858  Solanum douglasii John Wear 1994-2-24 94 2 Ventura Simi Valley, White Oaks Park, c. 2 mi. WSW of Rocky Peak (at the Los Angeles Co. line), north side of the Simi Valley Freeway (118), north of Santa Susana Knolls 366 Comment
  CHSC100180  Solanum nigrum John Dittes 2006-6-4 1392 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.3 air miles northwest of Chatsworth High School, ca. 0.9 air mile west of Topanga Blvd., ca. 0.8 air mile east x northeast of Santa Susana Pass. 381 Comment
  UC1125068  Solanum umbelliferum P. L. Johannsen 1934-1-24 238 Los Angeles Santa Susana Pass 457 Comment
  SEINET7072490 Image available Solanum xanti A. G. Vestal 1963-3-29 s.n. Ventura About 1.5 miles southeast of Simi near Chatsworth Reservoir. Coordinate datum: NAD27. Comment
  UCD127056  Solanum xanti Daryl Koutnik 1978-3-29 s.n. Los Angeles Chatsworth Resevoir at the W end of the San Fernando Valley. 365 Comment
  UCD127102  Solanum xanti Daryl Koutnik 1978-4-14 362 Los Angeles Simi Hills at west end of Devonshire Blvd. 365 Comment
  UCR87857  Solanum xanti John Wear 1994-2-24 94 3 Ventura Simi Valley, White Oaks Park, c. 2 mi. WSW of Rocky Peak (at the Los Angeles Co. line), north side of the Simi Valley Freeway (118), north of Santa Susana Knolls 366 Comment
  RSA1080  Solidago californica J. T. Howell 1928-6-30 1026 Ventura Santa Susana Pass Comment
  UCD92750  Sorghum halepense Daryl Koutnik; Jeffrey Koutnik 1978-7-27 s.n. Ventura Santa Susanna Pass, just W of the Los Angeles-Ventura County line. 396 Comment
  UCD92751  Sorghum halepense Daryl Koutnik; Jeffrey Koutnik 1978-7-27 s.n. Ventura Santa Susanna Pass, just W of the Los Angeles-Ventura County line. 396 Comment
  HSC15090  Spartium junceum C. E. Fellows 1965-4-13 37 Los Angeles 4/10 mi. N of Los Angeles City limits on Hwy. 118 Comment
  OBI69413  Spartium junceum Kim Sheffron 1994-4-9 4 Los Angeles Santa Susana Mts., Brown's Cyn, Chatsworth, W side of De Soto St past 118 fwy along path across stream Comment
  SBBG124627  Stellaria media R. Burgess, P. Munro 2001-3-23 4390 Ventura Sage Ranch, W side of Black Cyn Rd, Simi Hills 548 Comment
  UCR88661  Stephanomeria diegensis Scott D. White 1995-10-19 3709 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  CHSC100220  Stephanomeria pauciflora John Dittes 2006-11-16 1430 Ventura Western Transverse Range; Simi Hills; south of Santa Susana Road; ca. 3.1 air-miles west x northwest of Chatsworth Highschool, ca. 0.5 air-mile north of chatsworth Peak, ca. 0.5 air-mile southwest of Santa Susana Pass. 448 Comment
  RSA739669  Stephanomeria pauciflora var. pauciflora John Dittes 2006-11-16 1430 Ventura Western Transverse Range, Simi Hills, of Santa Susana Road, 3.1 air miles W NW of Chatsworth Highschool, 0.5 air mile N of Chatsworth Peak, 0.5 air miles SW of Santa Susana Pass. 448 Comment
  RSA616533  Stephanomeria virgata Scott D. White 1995-10-19 3709 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  LA206866  Stipa cernua A. M. Johnson; 1934-3-16 4332 Los Angeles Hwy beyond Canoga Comment
  LA9439  Stipa coronata Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass Comment
  LA105375  Stipa miliacea Barry A. Prigge; 1989-4-23 8478 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 429 Comment
  LA105371  Symphoricarpos mollis Barry A. Prigge; 1989-4-23 8473 Los Angeles Santa Susana Mountains, Devil Canyon: 1.4 air mi. NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 441 Comment
  LA74195  Tauschia arguta A. M. Johnson; 1934-3-16 4348 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  SFV12415  Tauschia arguta D. L. Koutnik 1978-4-14 354 Los Angeles Simi Hills at west end of Devonshire Blvd. 366 Comment
  UCD128101  Tauschia arguta Daryl Koutnik 1978-4-14 354 Los Angeles Simi Hills at W end of Devonshire Blvd. 365 Comment
  UCSB70929  Tauschia arguta Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  CAS-BOT-BC88446  Thysanocarpus curvipes Le Roy Abrams 1901-4-4 1333 Los Angeles Chatsworth Park. Comment
  POM457  Thysanocarpus curvipes L. R. Abrams 1901-04 5884 Los Angeles Chatsworth Park. Comment
  SBBG123787  Thysanocarpus curvipes R. Burgess, P. Munro 2001-3-23 4385 Ventura Sage Ranch, W side of Black Cyn Rd, Simi Hills 563 Comment
  SBBG123799  Thysanocarpus laciniatus R. Burgess, A. Burgess, P. Munro 1994-4-17 1231 Ventura Hummingbird Trail, N end of Keuhner Rd, Santa Susana Mtns 396 Comment
  UCSB71947  Thysanocarpus laciniatus Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  POM307209  Trichostema lanatum Henry J. Ramsey, Henry J. Ramsey 1937-6-25 2061 Ventura Santa Susana Pass. 489 Comment
  SFV3260  Trichostema lanatum P. G. Kilburn 1958-5-6 777 Los Angeles Santa Susana Mountains Iverson Ranch. 1.5 miles north of Chatsworth. 457 Comment
  SBBG123903  Trichostema lanceolatum R. Burgess, P. Munro 2000-10-24 4274 Ventura N end of Kuehner Rd, Hummingbird Ranch, S side of Santa Susana Mtns 426 Comment
  POM1972  Trifolium fucatum L. R. Abrams 1901-04 7364 Los Angeles San Fernando Mts. 762 Comment
  LA201881  Trifolium willdenovii Arthur C. Gibson; 2003-4-15 4991 Los Angeles Simi Hills, along hiking trail from Box Canyon Rd on s-facing slope about 0.5 km before reaching Pioneer Pass 496 Comment
  SBBG123935  Trifolium willdenovii R. Burgess, P. Munro 1994-4-17 1230 Ventura Hummingbird Trail, N end of Keuhner Rd, Santa Susana Mtns 396 Comment
  SFV10444  Trifolium willdenovii M. J. Teiman 1979-4-27 25 Ventura Simi Hills Box Canyon Road, 1 mile from Santa Susana Pass Road on dirt access road parallel to main road. 540 Comment
  UCSB70864  Umbellularia californica Burgess, Rick 1990-3-31 Ventura Santa Susana Mtns. West side of Box Canyon Rd., Simi Valley. Comment
  CAS-BOT-BC327145  Venegasia carpesioides Fordyce Grinnell 1916-6-16 s.n. Ventura Santa Susana Pass Comment
  CHSC100196  Venegasia carpesioides John Dittes 2006-6-4 1402 Ventura Western Transverse Range; Simi Hills; south of Santa Susana Road; ca. 3.1 air-miles west x northwest of Chatsworth Highschool, ca. 0.5 air-mile north of Chatsworth Peak, ca. 0.5 air-mile southwest of Santa Susana Pass. 427 Comment
  LA105399  Venegasia carpesioides Barry A. Prigge; 8500 Los Angeles Santa Susana Mountains, Blind Canyon, ca 1.5 air mi. NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 449 Comment
  RSA475509  Venegasia carpesioides Fordyce Grinnell Jr. 1916-6-16 s.n. Ventura Santa Susana Pass 457 Comment
  RSA739610  Venegasia carpesioides John Dittes 2006-6-4 1402 Ventura Western Transverse Range, Simi Hills, S of Santa Susana Road, 3.1 air miles WNW of Chatsworth High School, 0.5 air mile N of Chatsworth Peak, 0.5 air mile SW of Santa Susana Pass 448 Comment
  SBBG126743  Venegasia carpesioides R. Burgess, P. Munro 2011-4-15 8793 Ventura Rocky Peak Rd, amongst boulders E of rd; Santa Susanna Mtns 581 Comment
  SBBG127969  Venegasia carpesioides J. Dittes 2006-6-4 1402 Ventura S of Santa Susana Rd, ca. 3.1 air-mi W NW of Chatsworth High School, ca. 0.5 air-mi N of Chatsworth Peak, ca. 0.5 air-mi SW of Santa Susana Pass 448 Comment
  UCD137039  Venegasia carpesioides Daryl Koutnik 1978-4-14 360 Los Angeles Simi Hills at W end of Devonshire Blvd. 365 Comment
  RSA653  Verbena lasiostachys J. T. Howell 1928-6-30 1028 Ventura Santa Susana Pass. 457 Comment
  SFV20410  Verbena tenuisecta N. Osborn 2000-5-23 25 Los Angeles San Fernando Valley West Hills. Front yard of 7136 Pomelo Drive. 275 Comment
  RSA412686  Viola pedunculata Howard Mullins 1931-3-15 s.n. Ventura Santa Susana Pass. Comment
  RSA628621  Vulpia microstachys Sandy Leatherman, Brian Daniels 1998-5-8 2 Los Angeles Santa Monica Mountains: south of Woolsey Canyon Road approx. 1 mile down the existing dirt road. 365 Comment
  RSA725307  Vulpia myuros K. Dobry 1990-3-25 104 Los Angeles Simi Hills at Dayton Canyon Comment
  UCD94416  Vulpia octoflora Daryl Koutnik 1978-4-14 353 Los Angeles Simi Hills at W end of Devonshire Blvd. 365 Comment
  LA201883  Zigadenus fremontii Arthur C. Gibson; 2003-4-15 4989 Los Angeles Simi Hills, Box Canyon, along hiking trail along Box Canyon Rd, ca 0.5 km S of Pioneer Pass 496 Comment
  RSA11013  Zigadenus fremontii Carl B. Wolf 1928-4-1 1615 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  RSA378412  Zigadenus fremontii Chung-Hsin Chung 1931-3-14 s.n. Ventura Santa Susana Pass. Comment
  RSA378414  Zigadenus fremontii Howard Mullins 1931-3-15 s.n. Ventura Santa Susana Pass. Comment
  RSA627536  Zigadenus fremontii Sandy Leatherman, Brian Daniels 1998-5-8 7 Los Angeles Santa Monica Mountains: S of Woolsey Canyon Road, down the existing dirt road. 366 Comment
  VVC3373  Zigadenus fremontii Tim Thomas 1973-5-10 42 Ventura Transverse Range, Eastern Simi Hills, south east slope of Chatsworth Peak, El Rancho Adobe, vic Box Cyn. 564 Comment



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