The upcoming discussion will update you about the differences between lichens and fungi. Difference # Lichens: 1. They flourish the most in the temperate and colder regions of the globe. 2. Grow freely exposed to air and light and dislike smoky atmosphere of towns. 3. Can grow on barren substratum under drought and starvation conditions. 4. Grow generally as epiphytes [...]
The following points highlight the four main types of lichen thallus. The types are: 1. Crustose (Crustaceous) Lichens 2. Foliose (Foliaceous) Lichens 3. Fruticose Lichens 4. Squamulose Lichens. Type # 1. Crustose (Crustaceous) Lichens: The thallus is of insignificant size. It is flat, thin usually without any distinct lobes. It is just like a thin layer or crust closely attached [...]
The following points highlight the two main examples of lichens. The examples are: 1. Parmelia 2. Usnea. Example # 1. Parmelia: It is a common example of a foliose lichen which is found growing on the bark as well as the rock intermixed with the mosses at higher altitude (above 4,000 ft.). The heteromerous thallus is lobed to deeply incised. [...]