To be published in 14 volumes over the next 12 years, this long-awaited synoptic compendium represents the first and only comprehensive taxonomic guide to the e

This second volume of the magnificent compendium exhaustively describes and classifys the ferns, fern allies, and gymnosperms of North America. Covering over tw

FNA presents for the first time, in one published reference source, information on the names, taxonomic relationships, continent-wide distributions, and morphol

Toxic Plants of North America, Second Edition is an up-to-date, comprehensive reference for both wild and cultivated toxic plants on the North American continen

Vol.1 includes a list of flowering plant families (p.299-316) and a concordance of family names accepted by Cronquist, Takhtajan, and Thorne. Vol.2+ include dis