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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

From: Ultramafic geoecology of 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)