Scapania obcordata var. paradoxa (R.M.Schust.) Damsh., Liverworts Greenland: 311, 2013 (see Damsholt 2013). BASIONYM: Scapania paradoxa R.M.Schust., Hepat. Anthocerotae N. Amer. 3: 287, 1974 (see Schuster 1974).