Z. Y. Zhou, J. Li, X. H. Peng, and S. Landrein, “Asymbiotic Seed Germination of Thunia alba, a Variable Orchid in an Isolated Karst Hill of Xishuangbanna, Yunnan, China”, Plant Tissue Cult. & Biotech., vol. 30, no. 2, pp. 189–197, Dec. 2020.