Nanomarsupella xenophylla (R.M.Schust.) R.M.Schust. ex A.Hagborg, L.Söderstr. et von Konrat, Phytotaxa 112 (1): 16, 2013 (see Hagborg et al. 2013). BASIONYM: Marsupella xenophylla R.M.Schust., Phytologia 39 (4): 248, 1978 (see Schuster 1978).