Wang, Guang-Yan, Ying Meng, and Yong-Ping Yang (2013). “Karyological analyses of 33 species of the tribe Ophiopogoneae (Liliaceae) from Southwest China”. Journal of plant research126 (5): 597-604. doi:10.1007/s10265-013-0557-3.
Tamura, M. N., et al. (1997). “Biosystematic studies on the genus Polygonatum (Convallariaceae) IV. Molecular phylogenetic analysis based on restriction site mapping of the chloroplast gene trnK”. Feddes Repertorium108 (3-4): 159-168. doi:10.1002/fedr.19971080306.