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Miao, X.-Y., Li, C.-X. and Zhang, L.-B. 2017.

Polystichum duyunense (subg. Haplopolystichum; Dryopteridaceae), a new cave fern from Guizhou, China

. Phytotaxa. 292, 3 (Jan. 2017), 296–300. DOI:https://doi.org/10.11646/phytotaxa.292.3.10.