"Sphagnopsida" . . "(C.E.O. Jensen ex Russow) C.E.O. Jensen" . "Sphagnales" . . . . "Bryophyta" . . . . "Plantae" . . "Sphagnum angustifolium" . . "Sphagnaceae" . . "Sphagnum" . . "Sphagnum angustifolium (C.E.O. Jensen ex Russow) C.E.O. Jensen" . . . "Sphagnum" . .