A valuable compilation of information on the Canadian flora, includes identification keys and information on distribution of 194 families, 935 genera, and 4153 species..
Part 1: General Survey provides an introduction to the study as well as an analysis of Canadian plant distribution, the factors affecting it and the resultant patterns that emerge, a life for classification of vascular plants, and a description of floral regions in Canada. A brief list of nomenclatural changes resulting from the study is presented, followed by a list of abbreviations and the herbarium acronyms utilized in the text, a tabular conspectus of the flora, a glossary, and the literature cited. Parts 2, 3, and 4 provide the systematic treatments. These are divided into Pteridophyta to Monocotyledoneae, Dicotyledoneae (Saururaceae to Violaceae) and Dicotyledoneae (Loasaceae to Compositae), respectively. Part 4 concludes with an index to the complete work.