LI, G.; FRITSCH, P. W. A taxonomic revision of taxa in Styrax series Cyrta (Styracaceae) with valvate corollas. Journal of the Botanical Research Institute of Texas, [S. l.], v. 12, n. 2, p. 579–641, 2018. DOI: 10.17348/jbrit.v12.i2.962. Disponível em: https://journals.brit.org/jbrit/article/view/962. Acesso em: 13 oct. 2024.