1. Meyen, S. V. (1987) Fundamentals of Palaeobotany [Russian translation], Nedra, Moscow.
2. Sanderson, M. J. (2003) Am. J. Bot., 90, 954–956.
3. Goffinet, B., Hollowell, V., and Magill, R. (eds.) (2004) Molecular Systematics of Bryophytes, Missouri Botanical Garden Press, St. Louis.
4. Newton, A. E., and Tagney, R. S. (eds.) (2007) Pleurocarpous Mosses: Systematics and Evolution, CRC Press, Boca Raton.
5. Renzaglia, K. S., Schuette, S., Duff, R. J., Ligrone, R., Shaw, A. J., Mishler, B. D., and Duckett, J. G. (2007) Bryologist, 110, 179–213.