Graduate Interest Group(s): RESTORATION ECOLOGY AND ENVIRONMENTAL HORTICULTURE B.S., Botany, University of Washington, 1981 M.S., Forest Resources, University of Washington, 1989 Ph.D., Forest Resources, University of Washington, 1994 Biological invasions including the traits of invasive plants, prediction of invasive ability, early detection and rapid assessment of new invaders, and the impacts of plant invaders on native ecosystems and plants Rare plant species including the impact of anthropogenic disturbance on rare species and the use of horticultural techniques in rare plant reintroduction