A Preliminary Study on Alien Invasive Plants in Fujian Province

73 species of invasive plants belonging to 29 families are identified and recorded in Fujian Province based on investigation and referring to the related literatures.Among them,the Compositae is the most consisting of 16 species.According to their origins,there are 59 species coming from America,which occupy 80.82 percent in all species.The invasive plants include 6 species which were announced as the first group of alien invasive species by the National Bureau of Environmental Protection in 2003.Their harmfulness,invasive approaches and prevention countermeasures are also discussed.