Polypodium concinnum Willd. = Thelypteris concinna (Willd.) Ching
English:
concinnus,-a,-um;

https://archive.org/stream/mobot31753002833017#page/201/mode/2up
homotypic synonyms:
Amauropelta concinna (Willd.) Pic. Serm.; Aspidium concinnum (Willd.) Mett.; Dryopteris concinna (Willd.) Kuntze; Lastrea concinna (Willd.) T. Moore; Nephrodium concinnum (Willd.) Baker; Phegopteris concinna (Willd.) Fée; Thelypteris concinna (Willd.) Ching;

protologue: Sp. Pl., ed. 5 (Willdenow) 5(1): 201 (1810)

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