#order_Marattiales__Marattiales  lower ferns coextensive with the family Marattiaceae
  supertype:  plant_order__plantorder  the order of plants
  member of:  class_Filicopsida
  member:  family_Marattiaceae__Marattiaceae  constituting the order Marattiales: chiefly tropical eusporangiate ferns with gigantic fronds
     member:  genus_Marattia__Marattia  type genus of the Marattiaceae: ferns having the sporangia fused together in two rows
        member:  potato_fern__Marattia_salicina  large Australasian evergreen fern with an edible rhizome sometimes used as a vegetable by indigenous people
     member:  genus_Angiopteris  1 species: tree fern
        member:  angiopteris__angiopteri__giant_fern__giantfern__Angiopteris_evecta  highly variable species of very large primitive ferns of the Pacific tropical areas with high rainfall
     member:  genus_Danaea__Danaea  fairly small terrestrial ferns of tropical America

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