Taxonomy of Complaya, Elaphandra, Iogeton, Jefea, Wamalchitamia, Wedelia, Zexmenia, and Zyzyxia (COMPOSITAE-HELIANTHEAE-ECLPITINAE)

by John L. Strother Paperback details (USA). ISBN: 978-0-912861-33-3 ISBN-10: 0-912861-33-9 Amer Society of Plant Taxonomists · 1991