Trees have played an important role in many of the world's mythologies and religions. They have come in a variety of different forms and seem to have many different meanings. Examples are Yggdrasil in the Norse Mythology, the Christmas Tree that is derived from Germanic mythology, the Tree of Knowledge of Judaism and Christianity, and the Bodhi tree in Buddhism. In some religions, such as Hinduism, trees are said to be the homes of tree spirits.
Examples
Trees of Cosmic Significance
Mythical Creatures (or Deities) Relating to Trees
Miscellaneous
Fictional Trees Inspired by Myth
A number of fictional "tree-beings" were also inspired by folklore and mythology, or taken directly from them. Some examples are: