Table 8. Classification of Chaco species and infraspecific taxa according to occurrence per subregions.
| Total taxa | Humid Chaco | Dry Chaco | Sierra Chaco | Humid/Dry Chaco | Dry/Serrano Chaco | Humid/Serrano Chaco | Three subregions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Taxa | % | Taxa | % | Taxa | % | Taxa | % | Taxa | % | Taxa | % | Taxa | % | ||
| Cercidoideae | 9 | 1 | 33 | 2 | 22 | 1 | 11 | 3 | 33 | 1 | 11 | 1 | 11 | - | - |
| Detarioideae | 4 | 4 | 100 | - | - | - | - | - | - | - | - | - | - | - | - |
| Caesalpinioideae | 174 | 59 | 34 | 26 | 15 | 7 | 4 | 37 | 21 | 16 | 9 | 3 | 2 | 26 | 15 |
| Papilionoideae | 217 | 118 | 55 | 14 | 6 | 19 | 8 | 26 | 12 | 8 | 4 | 16 | 10 | 16 | 7 |
| Leguminosae | 404 | 182 | 45 | 42 | 10 | 27 | 7 | 66 | 16 | 25 | 6 | 20 | 5 | 42 | 11 |