More Accounts and Images:
Clematis columbiana (Nutt.) Torr. & A. Gray
View photographs from CalPhotos.
View species account and distribution map from Flora of North America (FNA).
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 18693.
View species account and photographs from Lady Bird Johnson Wildflower Center Native Plant Information Network (NPIN).
View species account from Native American Ethnobotany (University of Michigan - Dearborn).
View 1 propagation protocol from Native Plants Network.
View photographs and distribution from University of Washington Burke Museum.