Weakley, A. S. & Southeast Flora Team. 2023. Flora of the Southeastern United States web app. North Carolina Botanical Garden. Digital. https://fsus.ncbg.unc.edu/main.php?pg=index.php (連結)
Certainly would make sense given the Atlantic separates the distributions, although there was a fern recently discovered in Ireland that seems to have blown across the Atlantic from S. America on the winds whose distribution can be seen at https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:17111510-1
Certainly would make sense given the Atlantic separates the distributions, although there was a fern recently discovered in Ireland that seems to have blown across the Atlantic from S. America on the winds whose distribution can be seen at https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:17111510-1