Abstract:The sandy vegetation in the Ordos Plateau is highly heterogeneous in space. The changes of important values of dominant plant species are indicative of succession of the plant communities. In the Ordos Plateau, along with the sandy vegetation succession, the important values of the native plant species Artemisia ordosica decreased while the non-native plant species Hedysarum laeve increased. H. laeve with guerrilla-type clonal architecture mainly produces offspring through clonal growth while A.ordosica hav...