oak fern

oak fern

n

(Plants) a graceful light green polypody fern, Thelypteris dryopteris, having a creeping rhizome, found in acid woodlands and on rocks in the northern hemisphere

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Thesaurus

Noun

1.

oak fern - bright blue-green fern widely distributed especially in damp acid woodlands of temperate northern hemisphere Gymnocarpium dryopteris, Thelypteris dryopteris fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores genus Gymnocarpium, Gymnocarpium - oak ferns: in some classification systems included in genus Thelypteris

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