Cating, Robert A., Aaron J. Palmateer, Carol M. Stiles, Philip F. Harmon, and D. A. Davison. 2008. “Physiological Disorders of Orchids: Oedema: PP244 PP164, 11 2007”. EDIS 2008 (1). Gainesville, FL. https://doi.org/10.32473/edis-pp164-2007.