[wnps.org] Ethnobotany: The Makah, Nitinaht, and Quileute Pacific Northwest native tribes have used the leaves as an antidote for shellfish poisoning and as a food flavoring in cooking baskets. An infusion of roots has been used as a hair wash. The bark has been used to make baskets. The soft roots have been used as a towel to absorb moisture after bathing. Young trees have been used as fish weir poles. (link added by Mary Ann Machi)