Disc lichen
Scientific name: Tremolecia
Disc lichen
Scientific name: Tremolecia
Description
Disc lichen is a lichen genus found in cold and mountainous regions. It typically grows on rocks, forming small, crusty patches. These lichens are known for their ability to withstand harsh environmental conditions, including extreme cold and high UV radiation. Some species in this group have a distinctive orange or reddish-brown color, which helps them absorb sunlight in their challenging habitats.