Synonymy:
Agaricus amethystinus Huds., Fl. Angl., Edn 2: 612 (1778)
Laccaria hudsonii Pázmány, Z. Mykol. 60(1): 7 (1994)

Agaricus lividopurpureus With. [as 'livido-purpureus'], Bot. arr. Brit. pl., Edn 2 (London) 3: 366 (1792)

Agaricus amethystinus var. ioides Pers., Mycologia Europaea (Erlanga) 3: 228 (1828)

Agaricus amethystinus var. purpurellus Pers., Mycologia Europaea (Erlanga) 3: 228 (1828)

Collybia amethystina (Cooke) Quél., Fl. mycol. France (Paris): 237 (1888)
Russuliopsis laccata var. amethystina (Cooke) J. Schröt., in Cohn, Krypt.-Fl. Schlesien (Breslau) 3.1(33–40): 623 (1889)
Clitocybe laccata var. amethystina (Cooke) Bourdot, Ann. Rep. Reg. N.Y. St. Mus. 48: 274 (1892) [1895]
Clitocybe amethystina (Cooke) Peck, Ann. Rep. Reg. N.Y. St. Mus. 50: 128 (1898) [1896]
Laccaria laccata var. amethystina (Cooke) Rea, Brit. basidiomyc. (Cambridge): 290 (1922)

Laccaria amethystea var. vinosostriata Ballero & Contu, Rendiconti Seminario Fac. Sci. Univ. Cagliari 59: 117 (1989)
Laccaria hudsonii var. vinosostriata (Ballero & Contu) Pázmány, Notulae Botanicae, Horti Agrobotanici Cluj-Napoca 24-25: 9 (1996) [1994-95]

Position in classification:
Laccaria, Hydnangiaceae, Agaricales, Agaricomycetidae, Agaricomycetes, Basidiomycota, Fungi

Note:
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