Usnea barbata (old man’s beard) is one of the most investigated lichens which biological properties (such as antimicrobial, anti-inflammatory and cytotoxic activities) have been proven in several scientific studies. Stated properties of old man’s beard have been attributed mainly to its major secondary metabolite - a dibenzofuran deriva...

By Ana Žugić, Aleksandra Isaković, Ivica Jeremić, Vanja Tadić