LIPSCOMB, B. Flora of North America North of Mexico, Volume 14, Magnoliophyta: Gentianaceae to Hydroleaceae. Journal of the Botanical Research Institute of Texas, [S. l.], v. 17, n. 2, p. 540, 2023. DOI: 10.17348/jbrit.v17.i2.1332. Disponível em: https://journals.brit.org/jbrit/article/view/1332. Acesso em: 21 apr. 2024.