1. Han, B. Study on Biodiesel Energy Plant Germplasm Resources in Hebei Province (Hebei Normal University of Science & Technology, 2014).
2. Wu, Z. & Raven, P. Flora of China (Science Press, 1994).
3. Du, F. et al. Morphology and biological characters of seed of Magnolia sieboldii K. Koch. J. Beihua Univ. 7, 269–272 (2006).
4. Lu, X. et al. Effect of treatment with GA_3 and variable temperature stratification on germination and endogenous hormones of Magnolia sieboldii seeds. Acta Botan. Boreali-Occidentalia Sin. 34, 1828–1835 (2014).
5. Lu, X.et al. Effect of different soaking and accelerating germination disposals on forced germination of Magnolia sieboldii K. Koch seeds. J. Northwest A & F Univ. (2008).