R.  Grolle and Piippo, S., ?Bryophyte flora of the Huon Peninsula, Papua New Guinea. XVI. Pallaviciniaceae (Hepaticae)?, Acta Bot. Fennica, vol. 133, pp. 59?79, 1986.

K.  Ohyama, Fukuzawa, H., Kohchi, T., Shirai, H., Sano, T., Sano, S., Umesono, K., Shiki, Y., Takeuchi, M., Chang, Z., and , ?Chloroplast gene organization deduced from complete sequence of liverwort Marchantia polymorpha chloroplast DNA?, 1986.