Horn, S. P. The northern limit of Alnus (Fagales) in Costa Rica: Modern pollen evidence of a possible range extension.
Chicago Style CitationHorn, Sally P. The Northern Limit of Alnus (Fagales) in Costa Rica: Modern Pollen Evidence of a Possible Range Extension.
MLA CitationHorn, Sally P. The Northern Limit of Alnus (Fagales) in Costa Rica: Modern Pollen Evidence of a Possible Range Extension.
Warning: These citations may not always be 100% accurate.