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经初步调查定西实验区唐家堡河流域的农田、草、林地杂草有30科84种之多。其中以菊科、禾本科,豆科、藜科、蓼科、十字花科的杂草较多。菊科15种(占17.9％),禾本科14种(占16.7％),豆科10种(占11.9％),藜科7种(占8.3％),蓼科6种(占7.1％),十字花科5种(占6.0％),其次是旋花科、茄科、蒺藜科、堇莱科、石竹科、车前科、芸香科、唇形科、伞形科、木贼科,(牛龙)牛儿苗科、樱草科、桔梗科、兔丝子科、鸢尾科、紫草
Preliminary investigation of Dingxi experimental Dingxi area of farmland, grass, woodland weeds have 30 families of 84 species. Among them, Compositae, Poaceae, Leguminosae, Chenopodiaceae, Polygonaceae, cruciferous weeds more. 15 species of Asteraceae (17.9%), 14 species of Gramineae (16.7%), 10 species of Leguminosae (11.9%), 7 species of Chenopodiaceae (8.3%) and 6 species of Polygonaceae (7.1%), 5 species of cruciferae (accounting for 6.0%), followed by Convolvulaceae, Solanaceae, Chenopodiaceae, Prionaceae, Caryophyllaceae, Plantago, Rutaceae, Labiatae, Umbelliferae, Equisetum, Dragon) Niu Er Miao, Primulaceae, Campanulaceae, Holstein, Iris Branch, Lithospermum