White, I. P., M. F. Fay, B. W. Porter, and K. Chinen. “Sem and Phylogenetic Analysis of Naturalized and Cultivated <i>Epidendrum</i> In Hawaii”. Lankesteriana: International Journal on Orchidology, vol. 13, no. 1-2, Aug. 2013, doi:10.15517/lank.v0i0.11548.