GUETIG, R. G.; JONES, R. L. The vascular flora of Estill County, Kentucky, U.S.A. Journal of the Botanical Research Institute of Texas, [S. l.], v. 19, n. 3, p. 285–334, 2025. DOI: 10.17348/jbrit.v19.i3.1428. Disponível em: https://journals.brit.org/jbrit/article/view/1428. Acesso em: 27 sep. 2025.