Table 2. List of BSs without native species (gaps) or treated using only one native species (semi-gaps) in general, regional (by ecosystem) and local (by study) analyses in Brazilian ethnobotanical studies.
Further detail is given according to gaps and semi-gaps with 1–3 exotic species, 4–6 exotic species and more than six exotic species.
| Focus | Gaps >6 | Gaps 4–6 | Gaps 1–3 | Semi-gaps >6 | Semi-gaps 4–6 | Semi-gaps 1–3 |
|---|---|---|---|---|---|---|
| General | 0 | 1 | 0 | 0 | 0 | 0 |
| Regional | ||||||
| Amazon | 0 | 0 | 3 | 0 | 1 | 2 |
| Caatinga | 0 | 0 | 0 | 0 | 0 | 3 |
| Cerrado | 0 | 0 | 0 | 0 | 0 | 1 |
| Atlantic Forest | 0 | 0 | 0 | 1 | 0 | 0 |
| Pampas | 1 | 1 | 3 | 1 | 0 | 1 |
| Local | ||||||
| Albuquerque and Andrade [14] | 0 | 0 | 2 | 0 | 0 | 1 |
| Cartaxo et al. [21] | 0 | 0 | 3 | 0 | 0 | 2 |
| Maciel and Guarim-Neto [31] | 1 | 0 | 7 | 0 | 2 | 3 |
| Negrelle and Fornazzari [34] | 2 | 1 | 2 | 0 | 1 | 2 |
| Ritter et al. [39] | 0 | 0 | 4 | 1 | 0 | 0 |
| Silva et al. [42] | 0 | 0 | 1 | 0 | 0 | 3 |