psilophyte

Noun
  1. Any plant of the order Psilophytales: a savannah plant (synset 113238392)
    is a type of: tracheophyte, vascular plant - green plant having a vascular system: ferns, gymnosperms, angiosperms
    belongs to: order psilophytales, psilophytales - Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants

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