Rothfels, Carl J., Li, Fay-Wei, Sigel, Erin M., Huiet, Layne, Larsson, Anders, Burge, Dylan O., Ruhsam, Markus, Deyholos, Michael, Soltis, Douglas E., Stewart, C. N., Shaw, Shane W., Pokorny, Lisa, Chen, Tao, dePamphilis, Claude, DeGironimo, Lisa, Chen, Li, Wei, Xiaofeng, Sun, Xiao, Korall, Petra, Stevenson, Dennis W., Graham, Sean W., Wong, Gane K. -S, and Pryer, Kathleen M. 2015. "The evolutionary history of ferns inferred from 25 low-copy nuclear genes."
American Journal of Botany. 102 (7):1089–1107.
https://doi.org/10.3732/ajb.1500089