From, Margaret M, Terri Gouveia, Paul Read, and Martin Cano. “Propagation and Population Augmentation for Platanthera Praeclara, A Threatened North American Orchid Species”. Selbyana 26, no. 1/2 (June 1, 2005): 341–346. Accessed July 16, 2024. https://ojs.test.flvc.org/selbyana/article/view/121450.