Basionym: Boletus scaber Bull., Herbier de la France 3: t. 132 (1783) [MB#194176] Obligate synonyms: - Krombholziella scabra (Bull.) Maire, Publicacions del Instituto Botánico Barcelona 3 (4): 46 (1937) [MB#277566] - Ceriomyces scaber (Bull.) Murrill, Mycologia 1 (4): 146 (1909) [MB#468535] - Gyroporus scaber (Bull.) Quél., Enchiridion Fungorum in Europa media et praesertim in Gallia Vigentium: 162 (1886) [MB#446307] - Trachypus scaber (Bull.) Romagn., Rev. Mycol. (Paris): 141 (1939) [MB#254583] - Krombholzia scabra (Bull.) P. Karst., Revue Mycologique Toulouse 3 (9): 17 (1881) [MB#357244] Taxonomic synonyms: - Leccinum roseofractum Watling, Notes from the Royal Botanical Garden Edinburgh 28 (3): 313 (1968) [MB#333034] - Krombholziella roseofracta (Watling) ?utara, Ceská Mykologie 36 (2): 82 (1982) [MB#109900] - Boletus roseofractus (Watling) Hlavácek, Mykologický Sborník 65 (3): 83 (1988) [MB#135003] - Leccinum scabrum var. roseofractum (Watling) ?utara, Hribovité Houby: 38 (2009) [MB#542271] - Leccinum rigidipes P.D. Orton, Transactions of the British Mycological Society 91 (4): 560 (1988) [MB#135170] - Boletus avellaneus J. Blum, Bulletin de la Société Mycologique de France 85 (4): 560 (1970) [MB#309637] - Krombholziella avellanea (J. Blum) Courtec., Clé de Determination Macroscopique des Champignons Superieurs des Regions du Nord de la France: 119 (1986) [MB#129403] - Krombholziella avellanea (J. Blum) Alessio, Boletus Dill. ex L. (sensu lato): 458 (1985) [MB#129476] - Krombholziella avellanea (J. Blum) Bon, Documents Mycologiques 16 (62): 66 (1986) [MB#129532] - Leccinum avellaneum (J. Blum) Bon, Documents Mycologiques 9 (33): 41 (1979) [MB#316401] - Leccinum scabrum var. avellaneum (J. Blum) J.A. Muñoz, Boletus s.l. 2: 485 (2005) [MB#529791] - Leccinum subcinnamomeum Pilát & Dermek, Ziva: 85 (1969) [MB#316432] - Krombholziella subcinnamomea (Pilát & Dermek) Alessio, Boletus Dill. ex L. (sensu lato): 458 (1985) [MB#129470]