Loeschia

例句：

1. 1.Lichens are fascinating organisms that grow on rocks and trees.
   地衣是令人着迷的生物，它们生长在岩石和树木上。
2. 2. The lichens on the rock wall are a testament to the beauty of nature.
   岩石墙上的地衣是大自然之美的见证。
3. 3.Lichens play an important role in the carbon cycle, as they absorb carbon dioxide from the atmosphere.
   地衣在碳循环中起着重要作用，因为它们从大气中吸收二氧化碳。