Cryptococcus mollis Kützing, type species of the genus Cryptococcus: investigation of the type material

The legitimacy of the name Cryptococcus mollis for the type of the genus Cryptococcus is shown. The type material, available in the Rijksherbarium at Leiden University was investigated by transmission electron microscopy. The cell wall of most of the cells showed a structure, similar to that of basidiomycetous yeasts. Bud scars were also found.