| No. | Family | NJORO RIVER | KAMWETI RIVER | ||||
| Forest | Agriculture | Built up-area | Forest | Agriculture | Built up-area | ||
| 1 | Asteraceae | + | + | + | + | + | + |
| 2 | Fabaceae | + | + | + | + | + | + |
| 3 | Poaceae | + | + | + | + | + | + |
| 4 | Malvacea | + | + | + | + | + | + |
| 5 | Lamiaceae | + | + | + | + | + | + |
| 6 | Euphorbiaceae | + | + | + | + | + | + |
| 7 | Cupressaceae | + | + | − | + | − | − |
| 8 | Polygonaceae | + | + | + | + | + | + |
| 9 | Amaranthaceae | + | + | + | + | + | + |
| 10 | Solanaceae | + | + | + | + | + | + |
| 11 | Balsaminaceae | − | − | − | + | + | + |
| 12 | Meliaceae | − | − | − | + | + | − |
| 13 | Myrtaceae | + | + | + | − | + | + |
| 14 | Acanthaceae | + | + | + | − | − | − |
| 15 | Rubiaceae | + | + | + | − | − | − |
| 16 | Apiaceae | − | − | − | + | + | + |
| 17 | Rosaceae | − | − | − | + | + | − |
| 18 | Oleaceae | + | + | + | − | − | − |
| 19 | Verbenaceae | + | + | − | − | − | − |
| 20 | Zingiberaceae | + | + | + | + | + | + |
| 21 | Commelinaceae | − | − | − | + | + | − |
| 22 | Convolvulaceae | + | + | + | + | + | + |
| 23 | Thelypteridaceae | − | − | − | + | + | + |
| 24 | Hypericaceae | + | + | + | − | − | − |
| 25 | Rutaceae | + | + | − | − | − | − |
| 26 | Apocynaceae | − | − | − | + | + | − |
| 27 | Anacardiaceae | + | + | − | − | − | − |
| 28 | Basellaceae | + | + | + | − | − | − |