Neotropical plant families : a concise guide to families of vascular plants in the Neotropics /
by Paul J. M. Maas, Lubbert Y. Th. Westra ; Gymnospermas by Aljos Farjon.
- [Koenigstein], Germany [Champaign, Illinois], USA : Koeltz Scientific Books, 1993.
- vii, 289 p. : il.