|   序号 No.  |       科名 Family names  |       物种数 Num. of species  |       百分比(%) Percent (%)  |    
|   1  |       菊科Compositae  |       461  |       12.41  |    
|   2  |       禾本科Gramineae  |       364  |       9.80  |    
|   3  |       豆科Leguminosae  |       314  |       8.45  |    
|   4  |       毛茛科Ranunculaceae  |       188  |       5.06  |    
|   5  |       蔷薇科Rosaceae  |       187  |       5.03  |    
|   6  |       十字花科Brassicaceae  |       171  |       4.60  |    
|   7  |       唇形科Labiatae  |       153  |       4.12  |    
|   8  |       藜科Chenopodiaceae  |       148  |       3.98  |    
|   9  |       石竹科Caryophyllaceae  |       136  |       3.66  |    
|   10  |       伞形科Umbelliferae  |       122  |       3.28  |    
|   11  |       百合科Liliaceae  |       113  |       3.04  |    
|   12  |       紫草科Boraginaceae  |       109  |       2.93  |    
|   13  |       莎草科Cyperaceae  |       105  |       2.83  |    
|   14  |       蓼科Polygonaceae  |       101  |       2.72  |    
|   15  |       玄参科Scrophulariaceae  |       89  |       2.40  |    
|   16  |       杨柳科Salicaceae  |       77  |       2.07  |    
|   17  |       龙胆科Gentianaceae  |       46  |       1.24  |    
|   18  |       虎儿草科Saxifragaceae  |       42  |       1.13  |    
|   19  |       茜草科Rubiaceae  |       42  |       1.13  |    
|   20  |       罂粟科Papaveraceae  |       38  |       1.02  |