References

For Woodwardia

Cranfill, R.B. 1993b. Blechnaceae. In Flora of North America Editorial Committee. 1993b. Flora of North America north of Mexico. Volume 2, pteridophytes and gymnosperms. Oxford Univ. Press, New York, NY. 475 pp. Google Scholar

Li, C.-X., S.G. Lu, J.-Y. Ma, Y.-H. Gai, and Q. Yang. 2016b. Phylogeographic history of the woodwardioid ferns, including species from the Himalayas. Palaeoworld 25: 318-324. Google Scholar