1. 1959-01-01 This book includes factual description of all the main groups of vascular plants. It will dispaly the procedures, general principles, and objectives of comparative morphology. (the branch of biology that deals with the form of living organisms, and with relationships between their structures.)
  2. 1986-01-01 This checklist provides scientific names arranged alphabetically for 3,296 vascular plants used anywhere in the world for food, spices, medicine, drugs, forage, or fiber. 241 pages Agriculture Handbook, no 505