Statistics
Distribution
Cosmopolitan distribution ranging from tropical forests to arctic tundra. Especially chracteristic of Mediterranean regions of the world.
References
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Heywood et al. (2007)
Heywood, V.H. , Brummitt, R.K. , Culham, A. and Seberg, O. 2007. Flowering Plant Families of the World. Royal Botanic Gardens, Kew