Wolf, P. G., Rowe, C. A., Der, J. P., Schilling, M. P., Visger, C. J., & Thomson, J. A. (2015). Origins and diversity of a cosmopolitan fern genus on an island archipelago. AoB Plants.

Wolf, Paul G., Carol A. Rowe, Joshua P. Der, Martin P. Schilling, Clayton J. Visger, and John A. Thomson. "Origins and Diversity of a Cosmopolitan Fern Genus On an Island Archipelago." AoB Plants 2015.

Wolf, Paul G., et al. "Origins and Diversity of a Cosmopolitan Fern Genus On an Island Archipelago." AoB Plants 2015.