order psilophytales   (TTS Sound)

The order_psilophytales has 1 Senses.

• psilophytales, order psilophytales
• Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants
• ヨーロッパおよびカナダ東部の古生代の二叉分岐植物で、最古の維管束植物も含まれる