^Goffinet, B.; W. R. Buck; A. J. Shaw (2008). "Morphology and Classification of the Bryophyta". I Bernard Goffinet & A. Jonathan Shaw (eds.). Bryophyte Biology (2nd udgave). Cambridge: Cambridge University Press. s. 55-138. ISBN9780521872256.
^Goffinet, Bernard; William R. Buck (2004). "Systematics of the Bryophyta (Mosses): From molecules to a revised classification". Monographs in Systematic Botany. Molecular Systematics of Bryophytes. Missouri Botanical Garden Press. 98: 205-239. ISBN1-930723-38-5.