The growth and development of Salvia hispanica L. were comprehensively analyzed by combining Maxent ecological niche models with geographical information system technique,the ecological environment factors affecting and the distribution features of the protospecies were taken into consideration. The checked result of receiver operating characteristic( ROC) curve analysis showed that the area under curve( AUC) value of Maxent ecological niche models reached 0. 933, the relatively exact potential distribution region of Salvia hispanica L. all over China was obtained quantitatively and intuitivel...
