horneophyton

Noun
  1. Devonian fossil plant considered one of the earliest forms of vascular land plants;
    Similar to genus Rhynia but smaller (synset 113239402)
    is a type of: fern genus - genera of ferns and fern allies
    belongs to: family rhyniaceae, rhyniaceae - primitive plants of the Paleozoic
    same as: genus horneophyton

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