GACHA, DAYANNA CABRA, LUIS POMBO OSPINA, JANETH ARIAS PALACIOS, and OSCAR RODRÍGUEZ AGUIRRE. 2020. “Objective: Antifungal Activity of Total Ethanolic Extract and Fractions of Usnea Varieties Were Proved Against Aspergillus Niger, Penicillium Digitatum, and Rhizopus Nigricans Fungi. Methods: To Perform the Study of Relative Antifungal Activity (AFR), Flu”. Asian Journal of Pharmaceutical and Clinical Research 13 (10), 171-74.