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|Noun||1.||genus Microsorium - tropical usually epiphytic ferns; Africa to Asia and Polynesia to Australia|
fern genus - genera of ferns and fern allies
family Polypodiaceae, Polypodiaceae - ferns: a large family that in some classification systems has been subdivided into several families (including Aspleniaceae and Blechnaceae and Davalliaceae and Dennstaedtiaceae and Dryopteridaceae and Oleandraceae and Pteridaceae)