620 Wild Plants of North America describes, in beautiful detail, the characteristic features of 89 families of vascular plants--including trees, shrubs, vines, wildflowers, grasses, sedges, horsetails, and club-mosses--using labeled ink drawings, text and range maps.

This is an original and exciting look at the fascinating natural world of ponds and rivers. Stunning real-life photographs of fish, water beetles, frogs, underwater weeds, and more offer a unique view of the natural history of plants and animals that live in and around freshwater habitats.