shield fern

  1. any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sori
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How To Use shield fern In A Sentence

  • Although the genus _Polýstichum_ represents the true shield ferns, the wood ferns are also thus designated, as their indusia have nearly the shape of small, roundish shields. The Fern Lover's Companion A Guide for the Northeastern States and Canada
  • Do the same with evergreen ferns - hart's tongues, polypodies and shield ferns. Times, Sunday Times
  • Christmas fern and soft shield fern (P. setiferum) remain green; the fiddleheads of many ferns emerge early from the winter ground.
  • If you have a wetland fern, with tall, narrow fronds and leaflets which are very widely spaced from one another along the leafstalk and those leaflets are twisted so as to not lie on the same plane as the frond, then you have Dryopteris cristata, Crested Shield Fern.
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