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Cystopteris

noun
Cys·​top·​ter·​is | \siˈstäptərə̇s\

Definition of Cystopteris 

: a genus of ferns (family Polypodiaceae) of the north temperate zone having a hooded or arched indusium partly under the roundish sori — see bladder fern, fragile fern

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History and Etymology for Cystopteris

New Latin, from cyst- + -pteris

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