Synonymy:
Agaricus obtusus Fr., Systema Mycologicum 1: 233 (1821)
Hydrocybe obtusa (Fr.) Wünsche, Die Pilze: 120 (1877)
Gomphos obtusus (Fr.) Kuntze, Revis. gen. pl. (Leipzig) 2: 854 (1891)
Psathyra fatua ε obtusa (Fr.) G. Bertrand, Bull. Soc. Mycol. France 29: 186 (1913)

Cortinarius striatulus Rob. Henry, Bull. Trimestriel Soc. Mycol. France 56: 114 (1940)
Cortinarius acutus var. striatulus Kühner & Romagn., Fl. Analyt. Champ. Supér. (Paris): 313 (1953)
Cortinarius obtusus f. striatulus Nespiak, Flora Polska, Grzyby (Mycota). Basidiomycetes, Agaricales, Cortinariaceae, Cortinarius II (Warszawa-Kraków) 14: 125 (1981)

Cortinarius pseudostriatulus Rob. Henry, Atlas des Cortinaires, Pars II (Annecy): 27 (1990)

Position in classification:
Cortinarius, Cortinariaceae, Agaricales, Agaricomycetidae, Agaricomycetes, Basidiomycota, Fungi

Note:
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