Vahl, M. (1790), Flora Danica 6(17): t. 1008 [tax. nov.]

Quélet, L. (1872), Les Champignons du Jura et des Vosges. Mémoires de la Société d'Émulation de Montbéliard 5: 147 [basionym]

basionym of: Psilocybe cernua (Vahl) Quél. legitimate

Örstadius, L., Ryberg, A. & Larsson, E. (11 April 2015), Molecular phylogenetics and taxonomy in Psathyrellaceae (Agaricales) with focus on psathyrelloid species: introduction of three new genera and 18 new species. Mycological Progress 14: 25: 36 [nomenclatural synonym]

nomenclatural synonym of: Homophron cernuum (Vahl) Örstadius & E.Larss. legitimate

AusFungi (2019), AusFungi 21 Jan. 2019: - [synonym]

synonym of: Psathyrella cernua (Vahl) G.Hirsch legitimate

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