Acrostichum aureum Acrostichum aureum /əˈkrɒstɪkəm ˈɔriəm/

noun

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