#genus_Acrostichum__Acrostichum  in some classification systems placed in family Polypodiaceae
  supertype:  fern_genus  genera of ferns and fern allies
  member of:  family_Pteridaceae
  member:  leather_fern__leatherfern__goldenfern__Acrostichum_aureum  stout tropical swamp fern (especially tropical America) having large fronds with golden yellow sporangia covering the undersides

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