| 分布区类型 | 样地属数 | 属数比率 |
| distribution area | Plots Genura | rate |
| 1.世界广布Widespread | 14 | 24.1% |
| 2.泛热带Pantropic | 4 | 6.9% |
| 8.北温带North Temperate | 29 | 50.0% |
| 9.东亚及北美间断East Asia & North America | 2 | 3.5% |
| 10.旧世界温带Old World Temperate | 3 | 5.2% |
| 11.温带亚洲Temperate Asia | 1 | 1.7% |
| 14.东亚East Asia | 5 | 8.6% |
| 合计 | 58 | 100.00% |