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Polypodiaceae
Dryopteris
Dryopteris expansa
Dryopteris expansa
22% complete
Northern buckler fern
(C.Presl) Fraser-Jenk. & Jermy 1977 -
Fern Gaz. 11: 338 (1977)
Specifications
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Synonyms
Dryopteris expansa var. willeana
R.Elven (Lid)
Dryopteris expansa var. alpina
Viane (Moore)