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| Number of plant taxa | |
| Asteraceae | 47* |
| Cactaceae | 31* |
| Fabaceae | 12 |
| Boraginaceae | 7 |
| Cyperaceae | 5 |
| Rosaceae | 5 |
| Clusiaceae | 4 |
| Zygopyhyllaceae | 4 |
| Lythraceae | 3 |
| Amaranthaceae | 2 |
| Hypericaceae | 2 |
| Verbenaceae | 2 |
| Euphorbiaceae | 1 |
| Myricacae | 1 |
| Pontederiaceae | 1 |
| Ranunculaceae | 1 |
significant impacts (moderate to massive) occurred within plant families.
