P. J.  Brownsey, ?Flora of Australia Online?. 1998.

K. M.  Pryer, Schuettpelz, E., Wolf, P. G., Schneider, H., Smith, A. R., and Cranfill, R., ?PHYLOGENY AND EVOLUTION OF FERNS (MONILOPHYTES) WITH A FOCUS ON THE EARLY LEPTOSPORANGIATE DIVERGENCES1?, American Journal of Botany, vol. 10, no. 91, pp. 1582?1598, 2004.