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|Noun||1.||family Marattiaceae - constituting the order Marattiales: chiefly tropical eusporangiate ferns with gigantic fronds|
fern family - families of ferns and fern allies
genus Marattia, Marattia - type genus of the Marattiaceae: ferns having the sporangia fused together in two rows
genus Angiopteris - one species: tree fern