Synonymy:
Agaricus riederi Weinm., Hym. à Gast. Imp. Ross. Obs. (Petropoli): 161 (1836)
Cortinarius riederi (Weinm.) Fr., Epicrisis Systematis Mycologici: 259 (1838) [1836-1838]
Gomphos riederi (Weinm.) Kuntze, Revis. gen. pl. (Leipzig) 2: 854 (1891)
Phlegmacium riederi (Weinm.) Ricken, Die Blätterpilze: 143 (1912)

Cortinarius riederi f. major Rob. Henry, Bull. Trimestriel Soc. Mycol. France 105(2): 125 (1989)

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

Note:
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