Gregg, Katharine B. “THE INTERACTION OF LIGHT INTENSITY, PLANT SIZE, AND NUTRITION IN SEX EXPRESSION IN CYCNOCHES (ORCHIDACEAE)”. Selbyana 2, no. 2/3 (January 19, 2009): 212–223. Accessed September 9, 2024. https://journals.flvc.org/selbyana/article/view/120216.