Arnold, M. L., & Wesselingh, R. (2000). Natural hybridization, Louisiana irises and evolutionary process. In K.L. Wilson and D.A. Morrison (eds) (ed.), Monocots - Systematics and Evolution - Vol. 1 of Proceedings of the Second International Conference on the Comparative Biology of the Monocots (p. p. 286–294). https://hdl.handle.net/2078.5/224370