Diplophyllum sect. Protodiplophyllum (R.M.Schust.) Váňa et L.Söderstr.,

Phytotaxa 76 (3): 29, 2013 (see Váňa et al. 2013a). BASIONYM: Diplophyllum subg. Protodiplophyllum R.M.Schust., Hepat. Anthocerotae N. Amer. 3: 192, 1974 (see Schuster 1974).

NOTE: This name also creates the autonym.