Hedwig, J. (1801), Species Muscorum Frondosorum: 220 [comb. nov.]

Jaeger, A. & Sauerbeck, F.W. (1878), Adumbratio flore muscorum totius orbis terrarum. Part 8. Bericht über die Thätigkeit der St. Gallischen Naturwissenschaftlichen Gesellschaft 1876-1877: 441 [basionym]

basionym of: Isopterygium pulchellum (Hedw.) A.Jaeger legitimate

Iwatsuki, Z. (1987), Notes on Isopterygium Mitt. (Plagiotheciaceae). Journal of the Hattori Botanical Laboratory 63: - [basionym]

basionym of: Isopterygiopsis pulchella (Hedw.) Z.Iwats. legitimate

Ignatova, E.A.; Fedorova, A.V.; Ignatov, M.S. (2020), On the genera Isopterygiopsis and Isopterygiella, gen. nov. (Plagiotheciaceae) in Russia. Arctoa 29(1): 59 [basionym]

basionym of: Isopterygiella pulchella (Hedw.) Ignatov & Ignatova legitimate

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