Synonyms: Agaricus cincinnatus; Agaricus obscurus; Agaricus phaeocomis; Inocybe alienella; Inocybe cincinnata cincinnata; Inocybe cincinnata var. ambigua; Inocybe cincinnata var. major; Inocybe cincinnata var. transiens; Inocybe cincinnatula; Inocybe conformata; Inocybe obscura; Inocybe obscura var. major; Inocybe obscura var. obscura; Inocybe obscura var. transiens; Inocybe obscuroides; Inocybe obscuroides f. heterospora; Inocybe obscuroides var. marginata; Inocybe phaecomis var. major; Inocybe phaeocomis; Inocybe phaeocomis phaeocomis; Inocybe phaeocomis var. major; Inocybe phaeocomis var. transiens