通过对东莞、深圳、汕尾、香港等地的11个薇甘菊(Mikania micrantha)危害并有田野菟丝子( Cuscuta campestris )生长的野外样地的调查研究,结果表明:薇甘菊的危害极其严重,对各样地的覆盖度高达75%~95%,样地共有111种植物,其中属于重度危害(III级)和极重度危害(IV级)
Human activities have broken down the barriers to long-distance dispersal of plants. Many plants have been transported by man into areas beyond their natural distribution. Mikania micrantha, a fast growing, perennial, creeping and twining plant, originati