Provides information on many of the most familiar wildflowers and trees in North America. Included are treatments of the buttercup family (Ranunculacaeae), with such plants as delphiniums and columbines, and the poppy family (Papveraceae). Most of the important broad leaf tree species are covered, including the oaks (Fagaceae), elms, (Ulmaceae), birches (Betulaceae), walnuts (juglandaceae), plane trees (Plantanaceae), and magnolias (magnoliaceae). Many striking families are also covered, such as the dutman's pipe family (Aristochiaceae), and the aquatic families Nymphaeceae (water lillies), and Melbonaceae (lotus).
List of Contributors; Introduction; Keys to Major Taxa; Magnoliophyta; Magnoliopsida: Magnoliidae and Hamamelidae; Magnoliophyta; Magnoliopsida: Magnoliidae and Hamamelidae; Literature Cited; Appendix: List of Major Flora and Checklists; Index to Authors; Index
"Likely to be regarded as a major event in botany. Its volumes provide more authoritative and useful treatments than do the regional accounts, which hitherto have been the only available source for scientists, conservationists, land managers, agriculturalists, foresters, prospectors for medicinal plants, and amateur naturalists." --The New York Times
"What you get here is a lot more than what you see.... authoritative. This is a dictionary of plant species, the working vocabulary of plant biodiversity, as essential to its knowing, productive users as any big dictionary." --Scientific American