Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants.
分布于欧洲和加拿大东部的古生代简单的二岐 式植物，包含最古老的脉管陆地植物。
Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants.
分布于欧洲和加拿大东部的古生代简单的二岐 式植物，包含最古老的脉管陆地植物。
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