Designed as both a reference work and a year-round field manual, this volume contains more than 2,400 range maps and 995 line drawings, designed to clarify descriptions used in the keys. For botanists, naturalists, and students interested in an up-to-date treatment of the vascular flora of greater New England, it has proved to be an invaluable resource. The geographic scope of the work extends from the Canadian border south through Long Island and west to the Hudson River. The "General Keys" section contains fourteen keys that include such groups as aquatic plants, vines, and woody plants in...