Gymnomitrion noguchianum S.Hatt. A, B, F leaves C plant habit (fragment) D plant habit E lacerate leaf apex G cells along leaf margin H stem cross section (fragment). All from Choi 120826 (JNU); Marsupella vermiformis (R.M.Schust.) Bakalin et Fedosov I, J leaves K plant habit (fragment). All from Choi 120911 (JNU). Scale bars: a 250 µm (A–C, F); a 500 µm (D); b 100 µm (E, G–J); c 100 µm (K).