Table 4. Measures of phylogenetic diversity of Caatinga plants in sites (municipality, state) on different edaphic environments (crystalline, sedimentary, inselberg), NE Brazil: nearest taxon index for all species (NTIall), woody species (NTIwood), and herbaceous species (NTIherb).
| Sites | Soil | NTIall | NTIwood | NTIherb |
|---|---|---|---|---|
| Crateús, CE | crystalline | 1.97 | 2.30 | 1.63 |
| Floresta, PE | crystalline | 1.88 | 3.51 | 1.15 |
| Quixadá, CE | crystalline | 2.78 | 3.03 | 2.96 |
| Floresta, PE | crystalline | 1.76 | 3.00 | 1.15 |
| Floresta, PE | crystalline | 2.07 | 2.94 | 1.67 |
| Crateús, CE | sedimentary | 2.39 | 3.44 | -0.01 |
| Crateús, CE | sedimentary | 1.73 | 2.65 | 1.12 |
| SJ Piauí, PI | sedimentary | 1.77 | 3.51 | -1.19 |
| Quixadá, CE | inselberg | -0.17 | 0.00 | 1.33 |
| SJ Monte, PE | inselberg | -1.87 | 1.34 | -2.52 |
| Agrestina, PE | inselberg | -0.75 | 1.62 | -1.10 |
| Esperança, PB | inselberg | -0.98 | 1.75 | -0.04 |
| F Santana, BA | inselberg | -1.91 | -2.08 | 0.72 |
Values in bold are those indicating significant clustering (> 1.96) or significant overdispersion (<- 1.96).