mycolichen

例句：

1. 1. Lichens are fascinating organisms that can be found on rocks and trees.
   地衣是有趣的生物，可以在岩石和树木上找到。
2. 2.The lichen-covered rock is a popular tourist attraction in the area.
   覆盖着地衣的岩石是该地区的一个受欢迎的旅游景点。
3. 3.Lichens play an important role in maintaining the balance of ecosystems by absorbing carbon dioxide from the air.
   地衣通过吸收空气中的二氧化碳来维持生态系统的平衡。