Synonymy:
Agaricus terrigenus Fr., Öfvers. K. Svensk. Vetensk.-Akad. Förhandl. 8(2): 46 (1851)
Pholiota terrigena (Fr.) P. Karst., Bidr. Känn. Finl. Nat. Folk 32: 292 (1879)
Dryophila terrigena (Fr.) Quél., Enchiridion Fungorum in Europa media et praesertim in Gallia Vigentium: 66 (1886)
Hylophila terrigena (Fr.) Quél., Fl. mycol. France (Paris): 96 (1888)
Togaria terrigena (Fr.) W.G. Sm., Syn. Brit. Basidiomyc.: 122 (1908)
Inocybe terrigena (Fr.) Kuyper, Persoonia 12(4): 482 (1985)
Mallocybe terrigena (Fr.) Matheny, Vizzini & Esteve-Rav., in Matheny, Hobbs & Esteve-Raventós, Mycologia 112(1): 94 (2019) var. terrigena

Agaricus terrigenus var. minor Berk. & Broome, Ann. Mag. nat. Hist., Ser. 4 17: 132 (1876)

Mallocybe terrigena var. cystidiata J.Aug. Schmitt, Abhandlungen der DELATTINIA 47: 147 (2022)

Position in classification:
Inocybe, Inocybaceae, Agaricales, Agaricomycetidae, Agaricomycetes, Basidiomycota, Fungi

Note:
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