Campyloneurum angustifolium is a fern species in the family Polypodiaceae, commonly known as narrow strapfern or narrow-leaf strap fern.
It is native to Florida, Puerto Rico, Cuba, Jamaica, Mexico, Mesoamerica, Central America, Kerala, and tropical South America.
References
WL Chiou, DR Farrar, TA Ranker, (2002). "The mating systems of some epiphytic Polypodiaceae." American Fern Journal. Volume 99 Issue 1.