Basionym:
Agaricus griseocyaneus Fr., Observationes mycologicae 2: 96 (1818) [MB#455791]
Obligate synonyms:
- Leptonia griseocyanea (Fr.) P.D. Orton, Transactions of the British Mycological Society 43 (2): 177 (1960) [MB#333196]
- Rhodophyllus griseocyaneus (Fr.) Quél., Enchiridion Fungorum in Europa media et praesertim in Gallia Vigentium: 58 (1886) [MB#357262]
- Hyporrhodius griseocyaneus (Fr.) J. Schröt., Kryptogamen-Flora von Schlesien: 617 (1888) [MB#492212]
Taxonomic synonyms:
- Entoloma scabropellis Noordel., Persoonia 12 (3): 218 (1984) [MB#106105]
- Entoloma scabropelle Noordel. (1984) [MB#262460]
- Entoloma griseocyaneum var. roseum Maire, Trans. Brit. Mycol. Soc. 3: 170 (1910) [MB#199434]