Lastrea concinna (Willd.) T. Moore = Thelypteris concinna (Willd.) Ching
English:
concinnus,-a,-um;

https://archive.org/stream/#page/86/mode/2up
homotypic synonyms:
Amauropelta concinna (Willd.) Pic. Serm.; Aspidium concinnum (Willd.) Mett.; Dryopteris concinna (Willd.) Kuntze; Nephrodium concinnum (Willd.) Baker; Phegopteris concinna (Willd.) Fée; Polypodium concinnum Willd.; Thelypteris concinna (Willd.) Ching;

protologue: Index Fil. (T. Moore) 86: 86 (1858)

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