Study on species of phylloporus I: Neotropics and North America.

Seventeen out of the 24 taxa of Phylloporus (Boletaceae) known from the Neotropics are presented here. Complete descriptions, illustrations and a key to the 17 species are provided. Phylloporus alborufus is newly described, and an unnamed species is also described from Costa Rican oak forests. Phylloporus colligatus was recently described from a Dicymbe forest in Guyana. A table of the 24 known New World Phylloporus taxa, their distribution and possible hosts also is presented.