Marrs, RH. & Watt, AS. (2006). Biological Flora of the British Isles: Pteridium aquilinum (L.) Kuhn. Journal of Ecology94: 1272–1321. DOI: 10.1111/j.1365-2745.2006.01177.x.
Zhou et al. (2014). How many species of bracken (Pteridium) are there? Assessing the Chinese brackens using molecular evidence.. Taxon63: 509-521. DOI: 10.12705/633.9.