Hooker, J.D. (1860), Botany of the Antarctic Voyage. III Flora Tasmaniae 2: 275 [tax. nov.]

• Type: "Tasmania ... Hab. On dead, exposed wood, Archer."

Cooke, M.C. (1883), Australian fungi. Grevillea 11: 103 [basionym]

basionym of: Helotium gratum (Berk.) Cooke legitimate

Dennis, R.W.G. (1964), Remarks on the genus Hymenoscyphus S.F.Gray, with observations on sundry species reffered by Saccardo and others to the genera Helotium, Pezizella or Phialea. Persoonia 3 (1): 75 [basionym]

basionym of: Hymenoscyphus gratus (Berk.) Dennis legitimate

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

nomenclatural synonym of: Hymenoscyphus gratus (Berk.) Dennis legitimate

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