leather fern

(noun) stout tropical swamp fern (especially tropical America) having large fronds with golden yellow sporangia covering the undersides. Synonyms: golden fern, leather fern, Acrostichum aureum.

(noun) widely distributed fern of tropical southern hemisphere having leathery pinnatifid fronds. Synonyms: leather fern, leatherleaf fern, ten-day fern, Rumohra adiantiformis, Polystichum adiantiformis.