pteridium : Idioms & Phrases
genus pteridium
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noun a genus of ferns belonging to the family Dennstaedtiaceae
Pteridium.
WordNet
pteridium aquilinum
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noun large coarse fern often several feet high; essentially weed ferns; cosmopolitan
bracken; pasture brake; brake.
WordNet
pteridium esculentum
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noun fern of southeastern Asia; not hardy in cold temperate regions
bracken.