Clematis occidentalis var. grosseserrata   rock, Columbia, or purple clematis
           (Alt: Clematis columbiana s.l. )
Ranunculaceae
native                      vine           
Distribution: Conifer Zone

UW Burke Herbarium Link: Clematis occidentalis var. grosseserrata
USDA Plants Link: Clematis occidentalis var. grosseserrata   (CLOCG)