7KO M K,YANG J,JIN Y H,et al. Genetic relationship of Viola species evaluated by random amplified polymorphic DNA analysis[J]. Journal of Horticultural Science and Biotechnology , 1998,73(5) : 601- 605.
8YOCKTENG R,BALLARD H E, MANSION G,et al. Relationships among pansies (Viola section Melanium) investigated using ITS and ISSR markers[J]. Plant Systematics and Evolution,2003,241(3-4) :153-170.
9CULLEY T M, SBITA S J, WICK A. Population genetic effects of urban habitat fragmentation in the perennial herb Viola pubescens (Vio laeeae) using ISSR makers [J]. Annals of Botany, 2007,100(1) : 91 - 100.
10PRITCHARD J K, STEPHENS M, DONNELLY P. Inference of population structure using multilocus genotype data[J]. Genetics, 2000 155(2) :945-959.