Centres of plant diversity : a guide and strategy for their conservation /
Davis, Stephen D.
World Wide Fund for Nature.
International Union for Conservation of Nature and Natural Resources.
Cambridge : The World Wide Fund for Nature and IUCN - The World Conservation Union.
Vol.3. Americas / edited by S. D. Davis ... [et al.].  1997.
Botany.
Phytogeography.
Biological diversity conservation.
Nature conservation.