KOTLABA F. (1997): Some uncommon or rare polypores (Polyporales s.l.) collected on uncommon hosts. Czech Mycology 50(2): 133-142 [published: 16th December, 1997]
TOMŠOVSKÝ M. (2002): The genus Phellinus in the Šumava Mts. Czech Mycology 54(1-2): 45-78 [published: 3rd October, 2002]