1. 1) Baskin, C.C., Chen, S.Y., Chien, C.T. and Baskin, J.M. (2009) Overview of seed dormancy in Viburnum (Caprifoliaceae). Propagation of Ornamental Plants, 9: 115-121.
2. 2) Baskin, C.C., Baskin, J.M. (2009) 種子休眠のタイプと区分.種生物学会編,発芽生物学.文一総合出版,pp. 1-45.
3. 3) Chien, C.T., Chen, S.Y., Baskin, J.M., Baskin, C.C. and Kuo-Huang, L.L. (2011) Deep simple epicotyl morphophysiological dormancy in seeds of two Viburnum species, with special reference to shoot growth and development inside the seed. Annals of Botany, 108: 13-22.
4. 4) Johannna Giersbach (1937) Germination and seedling production of species of Viburnum. Contributions from Boyce Thompson Institute, 9: 79-90
5. 5) 中村幸人 (2014) 3. 植生景観調査法,日本植木協会編,植生景観とその管理.東京農業大学出版会,pp. 117-140.