Hiltje Maas-van de Kamer 
Herbarium Division 
Department of Plant Ecology and Evolutionary 
Biology 
Heidelberglaan 2 
P. O. Box 80102 
3508 TC Utrecht 
Holanda 
Alan W. Meerow 
United States Department of Agriculture 
Agricultural Research Service 
13601 Old Cutler Road 
Miami, FL 33158-0000 
EE. UU. 
Autores 
Mary Merello 
Missouri Botanical Garden 
P. O. Box 299 
St. Louis, MO 63166-0299 
EE. UU. 
J. Francisco Morales 
Instituto Nacional de Biodiversidad 
22-3100 Santo Domingo de Heredia 
Costa Rica 
XV 
