Galinsogaparviflorais an annual herbaceous plant originating in South America,and has caused great harm to agriculture in China.However,the distribution and influence of this invader are poorly documented yet.Besides,it is still unclear how the changing climate will affect the expansion of G.parviflorain China.With these questions in mind,we studied the effects of climate change on its future geographical distributions in China using maximum entropy(Max-Ent)model based on the climatic data lately released by the ${5^{{