Streptanthus barbiger  E. Greene

Ubiquity:  Very uncommon

Distritution:  Spring Mt., Butts Canyon

Plant Communities:  Serpentine Chaparral

Habitats:  Dry, sunny, rocky, sub-barren, ultramafic, brushy slopes/summits; in serpentine areas

Elevations:  500-1500'

Comments:  Intergrades with S. breweri.  Confirmation & collection needed.  Possible misidentifications

Updated:  1/20/98

Streptanthus brachiatus  F. W. Hoffm.

Ubiquity:  Very uncommon

Distritution:  Known only on the S face of Mt. St. Helena at Red Hill

Plant Communities:  Serpentine Chaparral

Habitats:  Dry, sunny, rocky, ultramafic sub-barrens; in 2 serpentine areas

Elevations:  2100-2560'

Comments:  Rare & Endangered (CNPS-1B, FED-C1).  Not to be collected

Updated:  1/22/98

Streptanthus breweri  A. Gray

Ubiquity:  Uncommon?

Distritution:  NE1/4

Plant Communities:  Serpentine Chaparral  

Habitats:  Dry, sunny, rocky, ultramafic, sub-barren slopes/talus; in serpentine areas

Elevations:  531-2400'

Comments:  Intergrades with var. hesperidis.  Some misidentifications of S. glandulosus

Updated:  1/22/98

Streptanthus breweri  A. Gray  var. hesperidis  (Jeps.) Jeps.

Ubiquity:  Uncommon

Distritution:  NE1/4

Plant Communities:  Serpentine Chaparral  

Habitats:  Dry, sunny, rocky, ultramafic sub-barrens; in serpentine areas

Elevations:  400-2000'

Comments:  Report for Howell Mt. questionable

Updated:  1/22/98

Streptanthus glandulosus  Hook.

Ubiquity:  Common?

Distritution:  Throughout?

Plant Communities:  Serpentine Chaparral & ...

Habitats:  Dry, sunny, rocky, ultramafic or not, brushy slopes; in areas of serpentine or not

Elevations:  360-3100'

Comments:  Confirmation needed for all non-serpentine sites

Updated:  1/20/98

Streptanthus glandulosus  (Hook.)

     ssp. secundus  (E. Greene) Kruck.

Ubiquity:  Very uncommon

Distritution:  Known only at R.L.S. State Park, Capell Canyon, & Sage Canyon

Plant Communities:  Serpentine Chaparral

Habitats:  Dry, sunny, rocky, sub-barren, ultramafic talus/ & steep slopes

Elevations:  800-3100'

Comments:  Confirmation & collection needed.  Includes var. sonomensis

Updated:  1/20/98

Streptanthus morrisonii  F. W. Hoffm.

Ubiquity:  Uncommon

Distritution:  NE1/4

Plant Communities:  Serpentine Chaparral  

Habitats:  Dry, sunny, rocky, ultramafic, sub-barren, steep slopes/talus

Elevations:  800-2200'

Comments:  Rare & Endangered (CNPS-1B, FED-C1/2)

Updated:  1/20/98

Streptanthus tortuosus  Kellogg

Ubiquity:  Very uncommon

Distritution:  Found only at Devils' Canyon

Plant Communities:  Riparian

Habitats:  A moist-dry, shaded, rocky, forested cliffside; in a volcanic area

Elevations:  1800'

Comments:  Not to be collected

Updated:  1/22/98