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Max K H, William C S, Bruce W. The origin of isolating mechanism in flowing plants[A]. In: Max K H. Evolutionary Biology[M]. New York: Plenum Press, 1978: 185-317.
Johnson R C, Johnston W J, Golob C T,et al. Characterization of the USDA Poa pratensis collection using RAPD markers and agronomic descriptors[J]. Genetic Resources and Crop Evolution, 2002, 49: 349-361.
Chen S Y, Ma X, Zhang X Q,et al. Genetic variation and geographical divergence in Elymus nutans Griseb. (Poaceae: Triticeae) from West China[J]. Biochemical Systematics and Ecology, 2009, 37: 716-722.
Fu Y B, Peterson G W, Williams D,et al. Patterns of AFLP variation in a core subset of cultivated hexaploid oat germplasm[J]. Theoretical and Applied Genetics, 2005, 530: 530-539.
