Through investigating the flora of the ruderal in the urban area of shanghai , this paper analyzed the diversity of ruderal influenced by rapid urbanization , and studied the charateristics of ruderal adapt to the urban habitats with high heterogeneity .

通过对上海中心城区城市杂草区系的调查，分析了高强度城市化影响下杂草的多样性状况，探讨了高异质性城市生境中杂草的适应特征。