genus_horneophyton
1. [ noun ] (biology,botany) Devonian fossil plant considered one of the earliest forms of vascular land plants; similar to genus Rhynia but smaller
Synonyms: Horneophyton
Related terms: fern_genus Rhyniaceae
Similar spelling:   genus_Richmondena
  genus_Oreopteris
  genus_Rhincodon
  genus_Retrophyllum
  genus_Coryphantha
  genus_Chrysophrys