Oak Fern

(Dryopteris) This is a large group of ferns, which are all pretty easy to cultivate, whether they are hardy or tender. D. Filix-mas (the Male fern) has fronds up to 2 feet long and a foot wide. They are great for placing in open woodland or for shady spots. D. erythrosora, a native of Japan, grows fronds up to 18 inches long. It makes a very lovely...
Found on http://www.encyclo.co.uk/local/10004

oak fern

[n] - bright blue-green fern widely distributed especially in damp acid woodlands of temperate northern hemisphere
Found on http://www.webdictionary.co.uk/definition.php?query=oak%20fern

oak fern

Gymnocarpium dryopteris noun bright blue-green fern widely distributed especially in damp acid woodlands of temperate northern hemisphere
Found on http://wordnetweb.princeton.edu/perl/webwn?s=oak%20fern

Oak Fern

Oak fern (Thelypteris dryopteris) is a graceful, light green polypody fern, with a creeping rhizome, found in acid woodlands of the northern hemisphere.
Found on http://www.probertencyclopaedia.com/browse/BO.HTM
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