31.08.2000 Albers & Kunneman,1992,Micropropagation of Paeonia.

Li, J., Zhao, Q. & Cheng, F 1995. Classification study on the Chinese Moutan and Moutan breeding;

28.08.2000 Li, M. X. and Zhang, X. F. 1982, Cytogenetic study on triploid Paeonia suffruticosa [in Chinese]; in Yichuan, 4(5): Sept. 1982, pp. 19 - 21, 27. Translated from the Chinese by Xinxin www.peonyforyou.com, english version corrected by Elizabeth Babb

24.08.2000 BakerJG, 1884 Paeonies.

18.08.2000 Broussalis, P. (1978) The Genus Paeonia in Greece. in: Physis (Athen) 14: 10-14, 38-39

08.08.2000 Takeda, H. 1910, New or noteworthy plants, (P. japonica)

Maximowicz 1859 ,Primitiae Florae Amurensis]