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|Noun||1.||genus Pteridium - a genus of ferns belonging to the family Dennstaedtiaceae|
fern genus - genera of ferns and fern allies
Dennstaedtiaceae, family Dennstaedtiaceae - one of a number of families into which Polypodiaceae has been subdivided in some classification systems
pasture brake, Pteridium aquilinum, bracken, brake - large coarse fern often several feet high; essentially weed ferns; cosmopolitan