Synonyms for Leather Fern (same or very similar meaning)
WordNet sense 1 (stout tropical swamp fern (especially tropical America) having large fronds with golden yellow sporangia covering the undersides):
golden fern, Acrostichum aureumWordNet sense 2 (widely distributed fern of tropical southern hemisphere having leathery pinnatifid fronds):
leatherleaf fern, Polystichum adiantiformis, Rumohra adiantiformis, ten-day fernFrom the ODE community, based on WordNetadd/edit