Basionym:
Cortinarius purpurascens Fr., Epicrisis Systematis Mycologici: 265 (1838) [MB#176760]
Obligate synonyms:
- Agaricus purpurascens Fr., Observationes mycologicae 2: 70 (1818) [MB#139242]
- Phlegmacium purpurascens (Fr.) Ricken (1915) [MB#357330]
- Cortinarius purpurascens f. purpurascens (?) [MB#418737]
- Cortinarius purpurascens var. purpurascens (?) [MB#426554]
- Gomphos purpurascens (Fr.) Kuntze, Revisio generum plantarum 3 (3): 854 (1898) [MB#629264]
Taxonomic synonyms:
- Cortinarius purpurascens f. cedretorum Chevassut & Rob. Henry, Documents Mycologiques 16 (63-64): 86 (1986) [MB#129658]
- Cortinarius purpurascens f. cedretorum Rob. Henry & Chevassut, Documents Mycologiques 19 (73): 68 (1988) [MB#134971]
- Cortinarius purpurascens var. largusoides Cetto, I funghi dal vero 6: 213 (1991) [MB#360647]
- Cortinarius purpurascens var. alluticolor Rob. Henry, Documents Mycologiques 7 (25): 52 (1976) [MB#347995]
- Cortinarius purpurascens var. hebelomatoides Rob. Henry, Documents Mycologiques 7 (25): 35 and 53 (1976) [MB#347997]
- Cortinarius purpurascens f. genuinus Rob. Henry, Documents Mycologiques 7 (25): 52 (1976) [MB#352748]
- Cortinarius purpurascens f. parvoides Rob. Henry, Documents Mycologiques 7 (25): 52 (1976) [MB#352749]
- Cortinarius purpurascens var. hebelemoides Rob. Henry (1976) [MB#259274]
- Cortinarius purpurascens var. subsordida Rob. Henry (1976) [MB#259293]