[The Buttercup Family in the Cascade Mountains of Oregon and Washington]

Goldthreads of the Cascade Mountains of Oregon and Washington

The Genus Coptis

 

 


Fern-leaf Goldthread: Coptis asplenifolia -

Oregon Goldthread, Cutleaf Goldthread: Coptis laciniata -

Western Goldthread, Idaho Goldthread: Coptis occidentalis -


Paul Slichter E-mail