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wall fern definition

wall fern

a small, hardy fern (Polypodium virginianum) of the most common family (Polypodiaceae) of ferns, with densely matted, creeping stems, found on cliffs and walls in E North America and often grown in gardens

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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