Synonymy:
Agaricus saginus Fr., Systema Mycologicum 1: 226 (1821)
Cortinarius saginus (Fr.) Fr., Epicrisis Systematis Mycologici: 260 (1838) [1836-1838]
Cortinarius cliduchus var. saginus (Fr.) Quél., Enchiridion Fungorum in Europa media et praesertim in Gallia Vigentium: 73 (1886)
Gomphos saginus (Fr.) Kuntze, Revis. gen. pl. (Leipzig) 2: 854 (1891)

Cortinarius validus J. Favre, Beitr. Kryptfl. Schweiz 10(no. 3): 214 (1948)
Phlegmacium validum (J. Favre) M.M. Moser, Die Gatt. Phlegm.: 161 (1960)

Cortinarius subtriumphans Rob. Henry ex P.D. Orton, Trans. Br. mycol. Soc. 43(2): 212 (1960)

Phlegmacium subtriumphans var. cephalixoides M.M. Moser, Die Gattung Phlegmacium (Schleimköpfe). Die Pilze Mitteleuropas 4: 353 (1960)
Cortinarius subtriumphans f. cephalixoides (M.M. Moser) Nespiak, Flora Polska, Grzyby (Mycota), 7, Basidiomycetes, Agaricales, Cortinartaccae, Cortinarius 1 (Warszawa-Krakow): 100 (1975)
Cortinarius subtriumphans var. cephalixoides (M.M. Moser) Kuhn.-Fink. & Peintner, Mycotaxon 87: 116 (2003)

Phlegmacium subtriumphans var. eriophorum M.M. Moser, Die Gattung Phlegmacium (Schleimköpfe). Die Pilze Mitteleuropas 4: 352 (1960)
Cortinarius subtriumphans f. eriophorus (M.M. Moser) Nespiak [as 'eriophorum'], Flora Polska, Grzyby (Mycota), 7, Basidiomycetes, Agaricales, Cortinartaccae, Cortinarius 1 (Warszawa-Krakow): 100 (1975)

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

Note:
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