BENTON, B. E.; DENNIS, D.; KEESLING, J.; BARNARD, P.; WITSELL, T. Cypripedium candidum (Orchidaceae) discovered in Arkansas, U.S.A. Journal of the Botanical Research Institute of Texas, [S. l.], v. 19, n. 4, p. 617–620, 2025. DOI: 10.17348/jbrit.v19.i4.1446. Disponível em: https://journals.brit.org/jbrit/article/view/1446. Acesso em: 27 feb. 2026.