Basionym: Agaricus dysthales Peck, Annual Report on the New York State Museum of Natural History 32: 28 (1879) [MB#444061] Obligate synonyms: - Pouzarella dysthales (Peck) Mazzer, Bibliotheca Mycologica 46: 105 (1976) [MB#320952] - Pouzaromyces dysthales (Peck) P.D. Orton, Mycologist 5 (4): 174 (1991) [MB#359027] - Rhodophyllus dysthales (Peck) Romagn., Bulletin de la Société Mycologique de France 53: 328 (1937) [MB#322634] - Leptonia dysthalis (Peck) Konrad & Maubl., Les Agaricales: 184 (1953) [MB#492268] - Nolanea dysthales (Peck) Murrill, N. Amer. Flora (1917) [MB#503087] Taxonomic synonyms: - Inocybe bucknallii Massee, Annals of Botany 18: 473 (1904) [MB#219873] - Astrosporina bucknallii (Massee) Rea, British Basidiomycetae: A handbook to the larger British fungi: 213 (1922) [MB#259079]