genus rhynia

Noun
  1. Type genus of the Rhyniaceae;
    Small leafless dichotomously branching fossil plants with terminal sporangia and smooth branching rhizomes (synset 113239179)
    is a type of: fern genus - genera of ferns and fern allies
    belongs to: family rhyniaceae, rhyniaceae - primitive plants of the Paleozoic
    same as: rhynia

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