1. On the flora of the Kuram valley & Afghanistan;Aitchison;Journal of the Linnean Society,1881
2. DeFilipps , R.A. 1980 Polygonatum in Tutin et al. Flora Europaea 70 71 Cambridge University Press Cambridge
3. The genus Polygonatum (Liliaceae)in Eastern Asia;Jeffrey;Kew Bulletin,1980