Neoorthocaulis hyperboreus (R.M.Schust.) L.Söderstr., De Roo & Hedd., comb. nov.

Basionym: Lophozia floerkei var. hyperborea R.M.Schust. in Schuster et al. (1959: 21). Holotype: CANADA: Nunavut: Mt. Pullen, near Alert, ca. 82°25'N, northeast coast of Ellesmere I., on shale substrate. R. Schuster RMS-35101 (Herb. Schuster).