. . "Frisvoll" . "Plagiotheciaceae" . . . . . . "Berggren's Plagiothecium Moss" . . . . "Bryophyta" . "Plantae" . "Plagiothecium berggrenianum" . "Plagiothecium" . . "Hypnales" . "Plagiothecium berggrenianum Frisvoll" . "Bryopsida" . . .