Synonymy:
Agaricus dysthales Peck, Ann. Rep. N.Y. St. Mus. nat. Hist. 32: 28 (1880) [1879]
Nolanea dysthales (Peck) Murrill, N. Amer. Fl. (New York) 10(2): 101 (1917)
Leptonia dysthales (Peck) G.F. Atk., in Humblot, Bull. Soc. Mycol. France 42(1-2): 78 (1926)
Rhodophyllus dysthales (Peck) Romagn., Bull. Trimestriel Soc. Mycol. France 53: 328 (1937)
Leptonia dysthalis (Peck) Konrad & Maubl., Les Agaricales 2: 184 (1953)
Pouzarella dysthales (Peck) Mazzer, Biblthca Mycol. 46: 105 (1976)
Pouzaromyces dysthales (Peck) P.D. Orton, Mycologist 5(4): 174 (1991)

Entoloma dysthales f. acystidiosum Noordel., Persoonia 10(2): 219 (1979)
Pouzarella dysthales var. acystidiosa (Noordel.) Karstedt & Capelari, Mycotaxon 102: 148 (2007)

Entoloma dysthales var. keralense Manim. & Noordel. [as 'dysthalis'], in Manimohan, Noordeloos & Dhanya, Persoonia 19(1): 52 (2006)

Position in classification:
Entoloma, Entolomataceae, Agaricales, Agaricomycetidae, Agaricomycetes, Basidiomycota, Fungi

Note:
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