620 Wild Plants of North America describes, in beautiful detail, the characteristic features of 89 families of vascular plants--including trees, shrubs, vines,
Dendrology: Cones, Flowers, Fruits and Seeds offers a comprehensive overview of the morphology of reproductive organs of woody plants of Europe in one resource.
A major compendium on the subject, in two parts. Part I (150 pages) has chapters on the various kinds of symptoms of poisoning, classification of poisons, sympt
This book brings together information on the natural history, ecology and systematics of North American aquatic monocotyledons. The book is an overview of the b