1Bureau, E.. Moraceae. in Prodromus systematis naturalis regni vegetabilis. Volume 17 XVIL [ M 1. AIph. de Candolle. (ed.). Paris, France. 1873. pp. 211 -288.
2Schneider C K. 1916. lantae Wilsonianae [J]. Sarg. PI. Wils. 3 (2) : 296 - 297.
3Koidzumi G. 1917. Taxonomical discussion on Morus plants [J]. Bot. Mag. (Tokyo) (31): 35.
4Koidzumi G. et al. 1930. Floroe Symboloe Orientali - Asiaticae [J]. Bull. Sericult. Exp. Star. (Japan)3 (1) : 29.
5Koidzumi G (1932). Prunus yedoensis Matsum. is a native of Quelpaert. Acta Phytotaxonomica et Geobotanica 1:30 177.
6中国科学院植物研究所.中国高等植物图鉴[M].北京:科学出版社,1972.627.
7Yarnazaki, 1983. Journ. Phytogeogr. and Taxon. 31 (1) : 11.