The Entolomataceae of the Pakaraima Mountains of Guyana 5: new species of Alboleptonia

This paper is the fifth in a series documenting the Entolomataceae taxa (Agaricales, Basidiomycota) from Guyana. Three new species are described - Alboleptonia angustospora, A. cystidiosa, and A. minima - occurring in tropical rainforests of the Upper Potaro River Basin in Guyana's Pakaraima Mountains. Macromorphological, micromorphological, and habitat data are provided for each. Alboleptonia has not been previously reported from Guyana.