Most of the naturalized species originated from the Tropical Americas and South America.The majority of the naturalized flora is in the form of herbs with 22 percent being aquatics.

 
  • 国外来源地最主要来自热带美洲及南美洲,以菊科、禾本科、豆科的种类最多,生活型以草本植物佔绝大多数,有22 %25为水生植物。
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