cliff brake

noun
any of several common ferns of the genus Pellaea, usually growing in pockets of thin soil on rocks.

Origin:
1865–70, Americanism

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Example sentences
Limestone outcrops near the top of the slope harbor populations of smooth cliff brake, bulblet bladder fern, and slender lip fern.
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