Contribution à la connaissance des espèces d’Aphanobasidium Jülich subgenus Aphanobasidium (Basidiomycètes, Aphyllophorales)

In the genus Aphanobasidium subgenus Aphanobasidium, 17 species and one subspecies are known. They are caracterized by pleurobasidia, non amyloid smooth spores and the absence of metuloids. Three new species are described: A. alpestre from France, A. biapiculatum from the Reunion, A. curvisporum from Gabon and the Reunion. A key will make possible to distinguish them.