1. Anon., 1985. Iconographia Cormophytorum Sinicorum. vol. 1. Science Pub. Co., Beijing (in Chinese)
2. Genetic and evolutionary consequences of small population size in plants: Implications for conservation;Barrett,1991
3. Barrett, S.C.H., Harder, L.D., Worley, A.C., 1997. The comparative biology of pollination and mating in flowering plants. In: Plant Life Histories, Silvertown, J., Franco, M., Harper, J.L. (Eds.), Plant Life Histories. Cambridge University Press, Cambridge, UK, pp. 57–76
4. A quasi-equilibrium theory of the distribution of rare alleles in a sub-divided population;Barton;Heredity,1986
5. Reconsideration of rare and endangered plant species in Korea based on the IUCN Red List Categories;Chang;Korean Journal of Plant Taxonomy,2001