Berberis aquifolium  Pursh

Ubiquity:  Very uncommon

Distritution:  Bothe State Park, R.L.S. Park, & Skyline Park

Plant Communities: Mixed Evergreen Forest, Ruderal

Habitats:  Dry, sunny volcanic areas & landscapes

Elevations: 650(?)-2140'

Comments:

Updated:  1/5/98

Berberis aquifolium  Pursh  var. dictyota (Jeps.) Jeps.

Ubiquity:  Very uncommon 

Distritution:  Known only from Vaca Mts., Berryessa Peak, & Stagecoach Canyon

Plant Communities: Blue Oak Woodland, Regular Chaparral

Habitats:  Dry to wet, partially-shaded, rocky, wooded to brushy places/including creekbeds; in volcanic & sedimentary areas

Elevations: 540-3000'

Comments:

Updated: 1/5/98

Berberis nervosa  Pursh

Ubiquity:  Uncommon

Distritution:  Reported for Mt. St. Helena, Bell Canyon, Cleary Canyon

Plant Communities: Forests

Habitats:  Dry, rocky, slopes & canyons; in volcanic areas

Elevations: 500-1800'

Comments:  Confirmation & collection needed; questionable in Napa
Co.

Updated:  1/5/98

Berberis pinnata  Lag.

Ubiquity:  Uncommon

Distritution:  Mt. St. Helena to Wooden Valley Grade

Plant Communities: Regular Chaparral & Forests

Habitats:  Dry, sunny, rocky, brushy, forested slopes; in volcanic areas

Elevations: 900-2200'

Comments:  

Updated:  1/5/98