Synonyms: Agaricus distans; Agaricus squamosus (heterotypic); Agaricus thraustus (heterotypic); Fungus thraustus; Geophila squamosa; Hypholoma squamosum (homotypic); Hypholoma squamosum var. thraustum; Hypholoma thraustum; Leratiomyces squamosa var. thrausta; Leratiomyces squamosus var. thraustus; Naematoloma squamosum (homotypic); Naematoloma squamosum var. thraustum; Nematoloma squamosum; Psalliota squamosa; Psilocybe squamosa (homotypic); Psilocybe squamosa thrausta; Psilocybe squamosa var. thrausta; Psilocybe thrausta (heterotypic); Stropharia distans; Stropharia squamosa (homotypic); Stropharia squamosa var. subalpina; Stropharia squamosa var. thrausta; Stropharia thrausta (heterotypic); Stropholoma squamosa (homotypic); Stropholoma squamosum