1. Variation in tree fern stipe length with canopy height, tracking preferred habitat through morphological change;Arens;Am. Fern J.,2000
2. Cyathea planadae, a remarkable new creeping tree fern from Columbia, South America;Arens;Am. Fern J.,1998
3. Arinawati, A., Nasrulhaq-Boyce, A., Barakbah, S.S., Mohamed, H., 1996. Some photosynthetic characteristics of an extreme shade tropical fern Teratophyllum rotundifoliatum (Bonap.) Holttum. In: Camus, J.M., Gibby, M., Johns, R.J. (Eds.), Pteridology in Perspective. Royal Botanic Gardens, Kew, p. 651.
4. A filmy fern from the Upper Triassic of North Carolina;Axsmith;Am. J. Bot. Abstr. Suppl.,2000
5. Biochemical and evolutionary aspects of arthropod predation on ferns;Balick;Oecologia (Berlin),1978