Lastrea attenuata Brack.
      
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1 587146 Lastrea attenuata Brack. Thelypteridaceae
C. Wilkes, U.S. Expl. Exped., vol. 16(1): (Botany pt. 2 Atlas Cryptogamia. ): t. 26, fig. 2 (1855) [W.S. Lawrence]