↑Hedwig, Johann (1801). Species Muscorum frondosorum descriptae et tabulis aeneis lxxvii. Leipzig: [s.n.] p. 176
↑Buck, William R. & Bernard Goffinet. 2000. "Morphology and classification of mosses", pages 71-123 in A. Jonathan Shaw & Bernard Goffinet (Eds.), Bryophyte Biology. (Cambridge: Cambridge University Press). ISBN0-521-66097-1.
↑ abBrassard, Guy R. (2007). «Timmiaceae». In: Flora of North America Editorial Committee (eds.). Flora of North America. 27. New York & Oxford: Oxford University Press. pp. 165–169. ISBN978-0-19-531823-4
↑Goffinet, B.; W. R. Buck; A. J. Shaw (2008). «Morphology and Classification of the Bryophyta». In: Bernard Goffinet & A. Jonathan Shaw (eds.). Bryophyte Biology 2nd ed. Cambridge: Cambridge University Press. pp. 55–138. ISBN978-0-521-87225-6
↑Goffinet, Bernard; William R. Buck (2004). «Systematics of the Bryophyta (Mosses): From molecules to a revised classification». Missouri Botanical Garden Press. Monographs in Systematic Botany. Molecular Systematics of Bryophytes. 98: 205–239. ISBN1-930723-38-5