(Porella ulophylla)
Porella-is a large, common, and widespread-genus-of-liverworts-in-orderJungermanniales. It is a member of the-family-Porellaceae-within that order. There are more than 100 species known, most of them from East Asia. The genus has a wide distribution in temperate areas, where it is commonly found growing attached to the bark of trees.