This thesis deals with taxonomy of certain white-rot polypores placed for the most part in the genera Antrodiella, Cinereomyces, Junghuhnia and Steccherinum. With DNA-based phylogenetic analyses and morphological studies I and my co-authors showed that concepts of those genera and species within them need a major revision. Species of Antrodiella belong to at least 13 different genera, within Po...