| No | Family | Number of species | Number of endangered species | Family | Number of species |
| 1 | Rubiaceae | 41 | 12 | Moraceae | 6 |
| 2 | Asteraceae | 32 | 13 | Orchidaceae | 6 |
| 3 | Euphorbiaceae | 19 | 14 | Rosaceae | 6 |
| 4 | Apocynaceae | 15 | 15 | Ulmaceae | 6 |
| 5 | Labiatae | 11 | 16 | Acanthaceae | 5 |
| 6 | Guttiferae | 10 | 17 | Meliaceae | 5 |
| 7 | Annonaceae | 8 | 18 | Olacaceae | 5 |
| 8 | Fabaceae | 8 | 19 | Sapindaceae | 5 |
| 9 | Melastomataceae | 8 | 20 | Sapotaceae | 5 |
| 10 | Sterculiaceae | 7 | 21 | Solanaceae | 5 |
| 11 | Araliaceae | 6 | 22 | Zingiberaceae | 5 |