Shield lichens
Scientific name: Heterodermia
Shield lichens
Scientific name: Heterodermia
Photo By Liam O'Brien , used under CC-BY-4.0 /Cropped and compressed from original 
Description
Shield lichens are a group of lichens known for their striking appearance and versatility in various environments. They typically feature a gray to white or greenish thallus with distinctive lobes that often curl up at the edges. Shield lichens thrive on bark or rock and can be found in many regions around the world. They are highly sensitive to air quality, making them excellent bioindicators for monitoring environmental health.
Species of Shield lichens
Scientific Classification
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