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Pteridaceae family

Adiantum tenerum
Prodr. 135.  1788.

West Indies, Trinidad and Tobago, southeastern United States (Florida), Mexico, Central America, northern South America (Venezuela). 

On walls and terrestrial - very rare.
I found this species growing in a sunny position in calcareous mortar on a wall outside the Green Parrot, Castries and on the ground in a shady position behind Reduit Beach, Gros Islet.
Identification with the help of Kevel Lindsay.
Growing on a wall