shield fern


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Related to shield fern: cinnamon fern, Christmas fern, ostrich fern

shield fern

n
(Plants) any temperate woodland fern of the genus Polystichum having shield-shaped flaps covering the spore-producing bodies: family Aspleniaceae
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.shield fern - any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sorishield fern - any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sori
fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
Athyriaceae, Dryopteridaceae, family Athyriaceae, family Dryopteridaceae - alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems
broad buckler-fern, Dryopteris dilatata - European shield fern
Dryopteris goldiana, Goldie's fern, Goldie's shield fern, goldie's wood fern - North American fern with a blackish lustrous stipe
Polystichum setiferum, soft shield fern - European shield fern cultivated in many varieties
References in periodicals archive ?
Some ferns, such as the soft shield fern polystichum setiferum, occasionally produce bulbils along their central stem.
Of the 1,244 federally listed species, only 13 are currently listed as endangered or threatened in Alaska, and we expect that all are present in national parks except the endangered Aleutian shield fern (Polystichum aleuticum) and leatherback sea turtle (Dermochelys coriacea).
setiferum, a clump-former also known as soft shield fern, which has lowarching, lance-shaped fronds which look like octopus tentacles divided into tiny, oval, toothed leaves.