Dr. Tim Prather is a Professor of Plant Ecology at the University of Idaho in Moscow. Tim has eighteen years of experience in the field of Plant Community Restoration and has done Rangeland and Forestland restoration work in Idaho, where he has helped ranchers and farmers to improve soils and cropland productivity. He is currently engaged in an invasive plant identification project in Yellowstone, where his team is working on a pilot project in cooperation with the Park Service and other interested agencies. This interview is focused on that Yellowstone project.