Diplothemium maritimum.
Botanical name:
Classic texts: Sturtevant 1919.
Allagoptera arenaria (M. Gomez) Kuntze.
Bot. syn.: Allagoptera pumila Nees, Cocos arenaria M. Gomez, Diplothemium arenarium (M. Gomez) Vasc. & Franco, Diplothemium littorale Mart., Diplothemium maritimum Mart.
