Synonymy:
Stropharia cotonea Quél., Bull. Soc. Bot. France 23: 328 (1877) [1876]
Agaricus cotoneus (Quél.) Cooke & Quél., Clavis syn. Hymen. Europ. (London): 92 (1878)
Hypholoma cotoneum (Quél.) J.E. Lange, Dansk bot. Ark. 4(no. 4): 41 (1923)

Agaricus hypoxanthus W. Phillips & Plowr., Grevillea 13(no. 66): 48 (1884)
Hypholoma hypoxanthum Sacc., Syll. Fung. (Abellini) 5: 1037 (1887)

Agaricus storea var. caespitosus Cooke, Ill. Brit. Fung. (London) 3: pl. 543 (580) (1885)
Hypholoma storea β caespitosum (Cooke) Sacc., Syll. Fung. (Abellini) 5: 1037 (1887)
Hypholoma storea var. caespitosum (Cooke) Killerm., Denkschr. Bayer. Botan. Ges. in Regensb. 20: 64 (1939)

Agaricus pseudostorea W.G. Sm. [as 'pseudo-storea'], J. Bot., Lond. 41: 386 (1903)
Hypholoma pseudostorea (W.G. Sm.) Sacc. & D. Sacc., Syll. Fung. (Abellini) 17: 89 (1905)

Position in classification:
Psathyrella, Psathyrellaceae, Agaricales, Agaricomycetidae, Agaricomycetes, Basidiomycota, Fungi

Note:
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