Acrostichum danaeifolium

{{Short description|Species of fern}}

{{Speciesbox

| genus = Acrostichum

| species = danaeifolium

| authority = Langsd. & Fisch.

}}

Acrostichum danaeifolium, called helecho mangle, interior leather fern or giant leather fern, is a massive fern in the family Pteridaceae which is found throughout the Neotropics. The fronds are up to {{cvt|3|m}} long with pinnate leaflets up to {{cvt|30|cm}} long. Spores are distributed uniformly on the back side of the fronds.{{cite book | last= Zuchowski | first= Willow | date= 2007 | title= Tropical Plants of Costa Rica | location= Ithaca, N.Y. | publisher= Cornell Univ. Press | page= 438 | isbn= 0970567847}} It prefers wet soils.