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

Goldthreads of the Cascade Mountains of Oregon and Washington

The Genus Coptis

Oregon Goldthread, Cutleaf Goldthread: Coptis laciniata - Oregon Goldthread, Cutleaf Goldthread: Coptis laciniata

Foliage and seedhead of Oregon goldthread as seen along the Toutle Trail #238 and Loowit Trail #216 south of the South Fork Toutle River, Mount Saint Helens National Volcanic Monument...........October 19, 2014.

Fern-leaf Goldthread: Coptis asplenifolia -

Cutleaf Goldthread, Oregon Goldthread: Coptis laciniata -

Idaho Goldthread, Western Goldthread: Coptis occidentalis (Synonym: Chrysocoptis occidentalis) -

Golden Root, Three-leaflet Goldthread: Coptis trifolia (Synonym: Coptis groenlandica) -

Paul Slichter E-mail