Oak Fern

Oak Fern

Taxobox | name = Oak Fern



image_width = 220px
regnum = Plantae
divisio = Pteridophyta
classis = Pteridopsida
ordo = Polypodiales
familia = Polypodiaceae
genus = "Gymnocarpium"
species = "G. dryopteris"
binomial = "Gymnocarpium dryopteris"
binomial_authority = (L.) Newman

Oak Fern ("Gymnocarpium dryopteris") is a fern of the family Polypodiaceae. It has small, delicate fronds with ternately-compound pinnae (leaves). Fronds occur singly. On the underside of matured pinnae naked sori can be found. Common in the Canadian forests, it is also found in Scotland and Scandinavia as well as North Western United States.It's name is debated also as "gymnocarpium dysjunctum".


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