GACHA, DAYANNA CABRA; OSPINA, LUIS POMBO; PALACIOS, JANETH ARIAS; AGUIRRE, OSCAR RODRÍGUEZ. 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, [S. l.], v. 13, n. 10, p. 171–174, 2020. DOI: 10.22159/ajpcr.2020.v13i10.38962. Disponível em: https://www.journals.innovareacademics.in/index.php/ajpcr/article/view/38962. Acesso em: 6 dec. 2025.