The paper deals with the identity of 21 taxa of polypores described by A. Pilát, the type material of which is preserved in the herbarium PRM. The new combination Skeletocutis krawtzewii (Pilát) Kotl. et Pouz. is proposed.
Kotlaba F., Pouzar Z. (1991): Type studies of polypores described by A. Pilát - IV. – Česká Mykologie 45(3): 91–97.