Accepted By:
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Flora of China Editorial Committee. 2013. Flora of China (Lycopodiaceae through Polypodiaceae). 2–3:. In C. Y. Wu, P. H. Raven & D. Y. Hong (eds.) Fl. China. Science Press & Missouri Botanical Garden Press, Beijing & St. Louis.
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Patel, N. R., S. Fawcett & A. V. Gilman. 2019. Phegopteris excelsior (Thelypteridaceae): A new species of North American tetraploid beech fern. Novon 27(4): 211–218.
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