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Oak fern (Thelypteris dryopteris) is a graceful, light green polypody fern, with a creeping rhizome, found in acid woodlands of the northern hemisphere.
Research Oak Fern
 
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The Probert Encyclopaedia was designed, edited and programed by
Matt and Leela Probert
©1993 - 2009 The Probert Encyclopaedia
Southampton, United Kingdom
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