genus Onychium


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Noun1.genus Onychium - small terrestrial ferns of Old World tropics and subtropics: clawed fernsgenus Onychium - small terrestrial ferns of Old World tropics and subtropics: clawed ferns; sometimes placed in family Cryptogrammataceae
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