Cornus glabrata  Benth.

Ubiquity:  Very common

Distritution:  Throughout, except Napa Marsh

Plant Communities:  Many, including Riparian Woodland

Habitats:  Dry or moist, shaded, ultramafic or not, streamsides/ & banks; in various geologic formations including serpentine

Elevations:  20-2050'

Comments:  

Updated:  1/8/98

Cornus nuttallii  Aud.

Ubiquity:  Common

Distritution:  N 1/2 & SW 1/4, but not S. of Napa

Plant Communities:  Mixed Evergreen Forest

Habitats:  Dry, shaded, rocky, forested slopes/flats/ & streamsides; in volcanic areas

Elevations:  365-2000'

Comments:  

Updated:  1/8/98

Cornus sericea  L.  ssp. occidentalis  (T. & G.) Fosb.

Ubiquity:  Very uncommon

Distritution:  Found only in Sarco Canyon, Soda Canyon, & once seen in Devils' Canyon

Plant Communities:  Redwood Forest

Habitats:  Moist, shaded, rocky, forested streamsides; in volcanic areas

Elevations:  580-1300'

Comments:  = Cornus occidentale.  Collection needed

Updated:  1/8/98