8WASOWICZ P, PRZEDPELSKA-WASOWICZ EM, KRISTINSSON H. Alien vascular plants in Iceland:Diversity, spatial patterns, temporal trends, and the impact of climate change [ J ]. Flora, 2013,208 : 648 - 673.
9WANIA A, KUHN I, KLOTZ S. Plant richness patterns in agricultural and urban landscapes in Central Germany-spatial gradients of species richness [ J]. Landsepe And Urban Planning,2006,75,97-110.
10MCDOUGALL KL, MORGAN JW,WALSH NG, et al. Plant invasions in treeless vegetation of the Australian Alps [ J 1 - Perspectives in Plant Ecology, Evolution and Systematics,2005,7: 159-171.