Number of naturalized plant species in the five mediterranean-climate regions according to their native origin.

Numbers in parenthesis are percentages within a region.
*Mediterranean Basin and one region in Europe or Asia or N. Africa.
**Regions in Africa and/or Europe and/or Asia.

括号内的数值为对应区域内的百分比占比。
* 地中海盆地（Mediterranean Basin）以及欧洲、亚洲或北非（N. Africa）的一处区域。
** 非洲、欧洲和/或亚洲范围内的区域。