Study on the wild plants biodiversity and vegetation of Cheung Chau Island, Hong Kong.

We determined there were 237 wild vascular plants from 184 genera in 73 families in Cheung Chau Island.The dominant vegetation types were secondary evergreen broad-leaved forest,followed by shrubland.The flora was dominated by tropical and subtropical elements.The flora of Cheung Chau Island is very important in Hong Kong and is similar to its neighboring regions.Because of human activities and exotic plant introduction,the floristic composition,species diversity,and vegetation protection should be an important area of focus.