Invasion risk assessment of exotic plant Praxelis clematidea in Zhengzhou.

Abstract

To reduce the harms of plant invasion, the risk assessment for biological invasion of exotic species (including intentionally introduced species and accidentally introduced species) is particularly important. Through data review, investigation research and expert consultation, risk assessment system and standard for exotic species invasion in Zhengzhou region was established. Risk of Praxelis clematidea was assessed, in order to provide a reference for possible biological invasion of exotic plants in Zhengzhou.