Bruch, P.; Schimper, W.P. & Gümbel, W.T. von (1854), Bryologia Europaea 6: 110 [comb. nov.]

Warnstorf, C.(F.E.) (1902), Die europäischer Harpidien. Botanisches Centralblatt 13: 405 [basionym]

basionym of: Drepanocladus exannulatus (Schimp.) Warnst. legitimate

Loeske, L. (1907), Loeske (1907), Hedwigia 46 46: 310 [basionym]

basionym of: Warnstorfia exannulata (Schimp.) Loeske legitimate

Hedenäs, L. (2006), Additional insights into the phylogeny of Calliergon, Loeskypnum, Straminergon, and Warnstorfia (Bryophyta: Calliergonaceae). Journal of the Hattori Botanical Laboratory 100: 132 [basionym]

basionym of: Sarmentypnum exannulatum (Schimp.) Hedenäs legitimate

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