A fern with brown scales on the stalks of the fronds, found in woodland in both North America and Eurasia.
Genus Dryopteris, family Dryopteridaceae: D. filix-mas and related species
A fern with brown scales on the stalks of the fronds, found in wooded areas of the northeastern US, but much more common in Eurasia.
Genus Dryopteris, family Dryopteridaceae: several species, in particular D. filix-mas
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