Question

what is called lichens.​

Answer 1

Answer:

1. a simple slow-growing plant that typically forms a low crusty, leaflike, or branching growth on rocks, walls, and trees.
2. "the cedars are festooned with lichen"

a skin disease in which small, hard round lesions occur close together.

Answer 2

Answer:

Lichens are compound plants as algae and fungi live together in close association, as a result of which both are benefited.