silver fern

Noun
  1. Tropical American fern having fronds with white undersides (synset 113234133)
    is a type of: fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
    belongs to: genus pityrogramma, pityrogramma - terrestrial tropical ferns having fronds with powdery yellowish or white undersides; sometimes placed in family Polypodiaceae or Adiantaceae
    same as: pityrogramma calomelanos
  2. Fern of southern tropical Africa having fronds with white undersides (synset 113233964)
    is a type of: fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
    belongs to: genus pityrogramma, pityrogramma - terrestrial tropical ferns having fronds with powdery yellowish or white undersides; sometimes placed in family Polypodiaceae or Adiantaceae
    same as: pityrogramma argentea

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