ABSTRACT: Carrismyces proliferatus anam. gen. & sp. nov., a new genus of hyphomycetes collected on the rotten stem of a tree fern (Cyathea sp.) in a Mexican cloud forest, is described and illustrated. The genus is characterized by monotretic, percurrent conidiogenous cells and obconical, subglobose, broadly pyriform to turbinate, muriform, dark brown or black conidia often with short, colourless, conical appendages. Notes on closely related genera are given.

KEYWORDS: Carrismyces, Hyphomycetes, Mexico, systematics, tropical fungi

NOMENCLATURAL NOVELTIES:
Carrismyces R. F. Castañeda & Heredia, p. 125
Carrismyces proliferatus R. F. Castañeda & Heredia, p. 128