Lepraria lobificans

A leprose species with a distinctive spongy, apple-green to greenish grey granular thallus. The granules often become enveloped in hyphae or erode to give the thallus a pale, leprose appearance.

Thallus: C-, K+ yellow, UV-

In Scotland, Lepraria lobificans is widespread on vertical and overhanging surfaces that are sheltered from the rain, including rock, limestone, mortar and soil. BLS distribution map

Lepraria lobificans on a wall near Strathdon