| Family | No. of species harvested | Common usage |
| Proteaceae | 52 | Cut flower trade |
| Iridaceae | 15 | Cut flower trade / medicinal |
| Asteraceae | 14 | Medicinal |
| Lamiaceae | 10 | Medicinal |
| Poaceae | 11 | Fiber / nursery |
| Restionaceae | 9 | Fiber |
| Fabaceae | 8 | Fiber / medicinal |
| Scrophulariaceae | 7 | Medicinal |
| Amaryllidaceae | 7 | Medicinal |
| Malvaceae | 7 | Medicinal |