However, Conocybe filaris is a junior synonym of Pholiotina rugosa. Pholiotina rugosa has also been placed in the genus Conocybe, but its morphology and a 2013 molecular phylogenetics study place it in the genus Pholiotina.
Conocybe filaris and Pholiotina rugosa share a common classification, with both being part of the same genus, although their exact placement has been subject to revision.