Synonymy:
Agaricus callisteus Fr., Observ. mycol. (Havniae) 2: 51 (1818)
Cortinarius callisteus (Fr.) Fr., Epicrisis Systematis Mycologici: 281 (1838) [1836-1838]
Gomphos callisteus (Fr.) Kuntze, Revis. gen. pl. (Leipzig) 2: 853 (1891)
Inoloma callisteum (Fr.) Ricken, Die Blätterpilze: 154 (1912)

Agaricus abruptus Fr., Öfvers. K. Svensk. Vetensk.-Akad. Förhandl. 9: 128 (1852)
Flammula abrupta (Fr.) Sacc., Syll. Fung. (Abellini) 5: 810 (1887)
Cortinarius callisteus var. abruptus (Fr.) Melot, Journal des J.E.C. 10(no. 9): 115 (2007)

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

Note:
We aim to keep taxonomic opinions up to date, but errors or delays can occur. Please report them to our curator.