Figure 2 The observed niche based on occurrence in China and the Malay Peninsula within analogous and non-analogous environments between native and invaded range (a). The black triangle represents occurrence in the native range. Four occurrences in analogous environments between native (green region) and China (blue region) (b), yellow dots represent occurrence in China within analogous and non-analogous environments (black region) (d). Occurrences in Malay Peninsula symbolized by blue dot in analogous environments (red region) between the native population and the Malay Peninsula (c).