| Family |
# Species |
% Total Flora |
| Asteraceae (sunflower) | 160 |
12.7 |
| Poaceae (grass) | 101 |
8.0 |
| Cyperaceae (sedge) | 78 |
6.2 |
| Fabaceae (pea) | 56 |
4.4 |
| Rosaceae (rose) | 55 |
4.4 |
| Liliaceae (lily) | 42 |
3.3 |
| Lamiaceae (mint) | 40 |
3.2 |
| Scrophulariaceae (figwort) | 36 |
2.8 |
| Polypodiaceae (fern) | 35 |
2.8 |
| Brassicaceae (mustard) | 32 |
2.5 |