Basionym: Agaricus callochrous Pers., Synopsis methodica fungorum: 282 (1801) [MB#494578] Obligate synonyms: - Cortinarius calochrous (Pers.) Gray (1821) [MB#195811] - Phlegmacium calochroum (Pers.) Wünsche (1877) [MB#356901] - Agaricus calochrous Pers. (1801) [MB#231030] - Cortinarius callochrous (Pers.) Gray, A natural arrangement of British plants 1: 629 (1821) [MB#499347] - Myxacium calochroum (Pers.) P. Kumm. (1871) [MB#507922] - Phlegmacium callochroum (Pers.) Wünsche, Die Pilze. Eine Anleitung zur Kenntniss derselben: 87 (1877) [MB#534573] - Myxacium callochroum (Pers.) P. Kumm., Der Führer in die Pilzkunde: 92 (1871) [MB#534590] - Agaricus callochrous var. callochrous (?) [MB#534571] - Phlegmacium callochroum f. callochroum (?) [MB#534591] - Phlegmacium callochroum var. callochroum (?) [MB#534593] - Phlegmacium calochroum var. calochroum (?) [MB#427872] - Phlegmacium calochroum f. calochroum (?) [MB#429741] - Cortinarius calochrous (Pers.) Gray (1821) [MB#461246] - Cortinaria callochroa (Pers.) Gray (1821) [MB#582664] - Gomphos callochrous (Pers.) Kuntze, Revisio generum plantarum 2: 853 (1891) [MB#646659]