Basionym:
Corticium cinereum Pers., Neues Mag. Bot. 1: 111 (1794) [MB#449619]
Obligate synonyms:
- Auricularia cinerea (Pers.) Sowerby, Coloured Figures of English Fungi 3: 171, f. 388:3 (1803) [MB#439689]
- Thelephora cinerea (Pers.) Pers., Synopsis methodica fungorum: 579 (1801) [MB#473913]
- Thelephora cinerea (Pers.) Fr., Elenchus Fungorum 1: 221 (1828) [MB#205837]
- Kneiffia cinerea (Pers.) Bres., Annales Mycologici 1 (2): 103 (1903) [MB#226806]
- Xerocarpus cinereus (Pers.) P. Karst., Revue Mycologique Toulouse 3 (9): 22 (1881) [MB#440756]
Taxonomic synonyms:
- Xylobolus tumulosus P. Karst., Meddelanden af Societas pro Fauna et Flora Fennica 6: 11 (1881) [MB#101388]
- Stereum tumulosum (P. Karst.) Sacc., Sylloge Fungorum 6: 572 (1888) [MB#208071]
- Thelephora obscura Pers., Mycologia Europaea 1: 146 (1822) [MB#200997]
- Peniophora obscura (Pers.) Bres., Atti Imp. Regia Accad. Roveretana ser. 3, 3: 113 (1897) [MB#122966]
- Corticium obscurum (Pers.) Fr., Hymenomycetes europaei: 653 (1874) [MB#191588]
- Terana obscura (Pers.) Kuntze, Revisio generum plantarum 2: 872 (1891) [MB#440593]