Acrostichum
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Noun | 1. | Acrostichum - in some classification systems placed in family Polypodiaceae fern genus - genera of ferns and fern allies family Pteridaceae, Pteridaceae - one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; Pteridaceae is itself in turn sometimes further subdivided Acrostichum aureum, leather fern, golden fern - stout tropical swamp fern (especially tropical America) having large fronds with golden yellow sporangia covering the undersides |
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