Table 3.
Surface area covered by ultramafic rocks, total number of species in the regional flora, number of ultramafic-associated species, and number of ultramafic endemic species along with percent ultramafic endemism in the region’s flora for a number of global hotspots for ultramafic endemism and for regions within South and Southeast Asia
| Region | Surface area of ultramafics (km2) | Total number of vascular plant species in the flora | Number of ultramafic-associated species | Number of ultramafic endemic species (% ultramafic endemism) | References |
|---|---|---|---|---|---|
| New Caledonia | 5470 | 3371 | 2150 | 1785 (83) | Jaffré (1992), van der Ent et al. (2015d), Isnard et al. (2016) |
| California, United States | ~6000 | 5271 | 492 | 246 (4.7) | Anacker et al. (2011), Burge et al. (2016), Jepson Flora Project (2016), Safford et al. (2005) |
| Queensland, Australia | 818 | 8500 | 553 | 18 (0.2) | Batianoff and Specht (1992), Batianoff and Singh (2001) |
| Western Australia, Australia | 5654 | ~12,000 | 1355 | 14 (0.12) | Van der Ent et al. (2015d) |
| New Zealand | ~310 | 2418 | ~800 | 15 (0.6) | Lee (1992), New Zealand Plant Conservation Network (2016), Van der Ent et al. (2015d) |
| Cuba | 5300 | 6375 | – | 920 (14) | Reeves et al. (1999) |
| Zimbabwe | ~3000 | 6385 | 322 | 322 (5) | Wild (1965), Proctor and Cole (1992) |
| Sabah | ~3500 | ~8000 | 4252 | 347 (4.3) | Van der Ent et al. (2015a) |
| Sulawesi, Indonesia | ~15,400 | ~5000 | na | na | Van der Ent et al. (2013a) |
| Palawan, Philippines | ~3000 | 1522 | na | na | Davis and Heywood (1995) |
| Sri Lanka | 7 | 3492 | 107 | 0 | MOE (2012), Rajakaruna and Bohm (2002), Samithri (2015) |