Question

What is lichen thallus?

Answer 1

LICHEN THALLUS:

1. The plant body of the lichens is called as thallus.
2. It has irregular shape and green colour.
3. Some of the thalli are strongly pigmented and appear red, yellow or orange in colour.
4. There are three types of lichen thalli. They are Crustose, Foliose and Fruticose lichen.