Northwest Weeds describes and illustrates the prominent and ever-present weeds of the northwestern United States and adjacent Canada. Full-color photographs and the accompanying text emphasize the weeds' identifying characteristics. The book includes information on the origin, distribution, aggressiveness, and edibility of each weed. Ronald J. Taylor is a retired professor of botany and plant ecology at Western Washington University. A field trip to the Great Basin and Mojave Deserts as an undergraduate sparked his interest in desert plants, and his research and teaching provided him with many opportunities to study and photograph the plants of the desert. The author of numerous scientific and popular articles and books, Taylor has written four titles for Mountain Press. Used Book in Good Condition