baumzaehlen - Primeval Forests & Their Trees

©2017copyright christoph hase

 

Frangula purshiana (cascara buckthorn, Rhamnaceae)

 

 

F. purshiana foliage, top left; Alnus rubra (red alder) foliage, top right; Tsuga heterophylla (western hemlock), background. Willaby Creek, Olympic National Forest, Washington, USA.
Some trees of low altitudes of Flores Island, Clayoquot Sound Biosphere Reserve, BC, Canada.