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Ceratopteris

noun
Cer·​a·​top·​te·​ris | \ ˌserəˈtäptərə̇s\

Definition of Ceratopteris 

: a genus of aquatic ferns (family Parkeriaceae) having leaves in rosettes, the sterile floating or emergent, the fertile more erect and with margins revolute over the sporangia

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History and Etymology for Ceratopteris

New Latin, from cerat- + -pteris

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