Basionym Name:Polyporus acidulus Fr., Elench. fung. (Greifswald) 1: 86 (1828)
Homotypic synonyms:Bjerkandera acidula (Fr.) P. Karst., Meddn Soc. Fauna Flora fenn. 9: 62 (1883)Boletus acidulus (Fr.) Mussat, in Saccardo, Syll. fung. (Abellini) 15: 62 (1901)