Crustose lichen

Examples:- Haematomma puniceum.
Scientific name :- Acarospora badiofusca.
Common name :- Acarospora.
Basic characters:-
● The Crustose lichen is simply crusts.
● They form crust on the surfaces , soil, cars , or roof tiles .

● They can be in bright , vibrant colours such as yellow, orange, red, gray, and green.
● Crustose lichens are applied to their substrate.
● Crustose lichen have ability to absorb air pollutants.
Source:- Key to LICHENS - North American by IRWIN M. BRODO.