一般影響
圓葉鴨跖草(Commelina benghalensis)被列為世界上最嚴重的雜草之一，影響29個國家的25種農作物(韋伯斯特等人, 2005)。據報導會影響的農作物如下：水稻，茶葉，咖啡，大豆，棉花，玉米，甘蔗，木薯，花生，菠蘿，豇豆，高粱，大麥，黃麻，劍麻，豆類，紅薯，葡萄，穀類，花生，辣椒，檸檬，臍橙，番茄，苦瓜蘋果，杏和桃(NAPPO, 2003)。
地點特有的影響：Alabama (United States (USA)) 
農業: Commelina benghalensis invades agricultural sites, possessing the ability to compete with or shade out crop establishment and intercept chemical applications intended for the crop being grown on site (Faircloth, 2007). California (United States (USA))
農業: Commelina benghalensis invades agricultural sites, possessing the ability to compete with or shade out crop establishment and intercept chemical applications intended for the crop being grown on site (Faircloth, 2007). Florida (USA) (United States (USA))
農業: Commelina benghalensis invades agricultural sites, possessing the ability to compete with or shade out crop establishment and intercept chemical applications intended for the crop being grown on site (Faircloth, 2007). Georgia (USA) (United States (USA))
農業: Commelina benghalensis invades agricultural sites, possessing the ability to compete with or shade out crop establishment and intercept chemical applications intended for the crop being grown on site (Faircloth, 2007). Louisiana (United States (USA))
農業: Commelina benghalensis invades agricultural sites, possessing the ability to compete with or shade out crop establishment and intercept chemical applications intended for the crop being grown on site (Faircloth, 2007). Mississippi (United States (USA))
農業: Commelina benghalensis invades agricultural sites, possessing the ability to compete with or shade out crop establishment and intercept chemical applications intended for the crop being grown on site (Faircloth, 2007). North Carolina (United States (USA))
農業: Commelina benghalensis invades agricultural sites, possessing the ability to compete with or shade out crop establishment and intercept chemical applications intended for the crop being grown on site (Faircloth, 2007).
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