基于表型与遗传分化的羊草在中国草原扩散途径的探讨
杨允菲1,辛晓平2,李建东1
A Discussion on the Diffusion Pathway of Leymus Chinensis in the Natural Grassland of China Based on Differentiation in the Phenotypes and Genotypes
YANG YunFei1,XIN XiaoPing2,LI JianDong1

图4. 两个生态型羊草的取样点分布
GG:灰绿型;YG:黄绿型（依据文献[29,30]绘制）。箭头表示羊草自西向东的扩散方向和过程

Fig. 4. Sampling point distribution of two ecotypes of Leymus chinensis
GG: gray-green type; YG: yellow-green type (drawn according to reference [29-30]). The arrow indicates the direction and process in which the leymus diffuses from west to east