KOTLABA F. (1965): The boreal polypore Phellinus ferrugineofuscus (P. karst.) Bourd. collected in Czechoslovakia. Česká Mykologie 19(1): 21-30 [published: 1965]
KOTLABA F., POUZAR Z. (1959): Polypori novi vel minus cogniti Čechoslovakiae IV. Česká Mykologie 13(1): 27-37 [published: 20th January, 1959]