Study of the culture medium variation in the production of secondary metabolite pyrophen by endophytic fungus Aspergillus niger from Harconia speciosa. Research, Society and Development, [S. l.], v. 11, n. 16, p. e242111638088, 2022. DOI: 10.33448/rsd-v11i16.38088. Disponível em: https://rsdjournal.org/rsd/article/view/38088. Acesso em: 5 dec. 2025.