Editorial comment:
Based on Tricholomella leucocephalum (Quél.) Zerova, 1979 (Index of Fungi 5: 27) [as '(Fr.) Zerov'], nom. inval., Art. 33.2. Basionym author cited as '(Fr. non Bull.) Quél.'

Basionym:
Agaricus leucocephalus Bull. 1792

Citations in published lists and Bibliographies:
Index of Fungi 7: 84

Position in classification:
Tricholomella, Lyophyllaceae, Agaricales, Agaricomycetidae, Agaricomycetes, Basidiomycota, Fungi

Current name:
Tricholomella constricta (Fr.) Zerova ex Kalamees [as 'constrictum'], Persoonia 14(4): 446 (1992)

Index Fungorum LSID: urn:lsid:indexfungorum.org:names:460569