McLewin & Chen (2006) Peony rockii and Gansu Mudan

Lan Hai breeder, date: Chen Dezhong between 1986 and 1992 engl. translation: Blue Sea color & form classification categories , remarks: 8.3.02 not online: 224

Li Jiajue 2005, Chinese Tree Peony, Xibei, Xinan, Jiangnan Volume

'Lan Hai' Rose form, light blue. Selected, cultivated and named by Chen D.Z.. [detailed description available on page 97]

Carsten Burkhardt's Web Project Paeonia - The Peony Database

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