In a northeastern neighborhood of Portland, Oregon, a small coffeehouse stands covered with pictures of bison. For centuries here, on the land of the Cowlitz, Confederated Tribes of Grand Ronde, and Clackamas peoples, there have been no bison. But Bison Coffeehouse still pays tribute to the animal that sustained Native American communities across the country. Inside, Native American art adorns the space, centered around a mounted buffalo head. While the cafe’s decor honors the bison, the business itself is dedicated to a non-Native plant: coffee. And not just any coffee,…