PARRA L.A., DELLA MAGGIORA M., SIMONINI G., TRASSINELLI R. (2017): Nomenclatural study and current status of the names Boletus emileorum, Boletus crocipodius and Boletus legaliae (Boletales), including typification of the first two. Czech Mycology 69(2): 163-192 [published: 24th November, 2017]
ŠUTARA J. (2005): Central European genera of the Boletaceae and Suillaceae, with notes on their anatomical characters. Czech Mycology 57(1-2): 1-50 [published: 31st August, 2005]
ŠUTARA J. (1982): Nomenclatural problems concerning the generic name Krombholziella R. Maire. Česká Mykologie 36(2): 77-84 [published: 1982]