Zhou, Z.Y. et al. 2020. Asymbiotic Seed Germination of Thunia alba, a Variable Orchid in an Isolated Karst Hill of Xishuangbanna, Yunnan, China. Plant Tissue Culture and Biotechnology. 30, 2 (Dec. 2020), 189–197. DOI:https://doi.org/10.3329/ptcb.v30i2.50689.