prickly shield fern

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Noun1.prickly shield fern - North American fern whose more or less evergreen leathery fronds are covered with pale brown chafflike scales
holly fern - any of various ferns of the genus Polystichum having fronds with texture and gloss like holly
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The soft shield fern has overlapping leaflets which give it a moss-like appearance, and then there's the prickly shield fern or Polystichum aculeatum, which has spiny projections on its leafy midrib.