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Range DescriptionCarex canescens is a temperate species with a bipolar geographic distribution, being common at areas of high latitudes in both the Northern and Southern Hemisphere. Its distribution is much wider in the alpine and polar regions of the Northern Hemisphere where it is likely to have originated. It is the only bipolar Carex species with an austral distribution which is not limited to only one continent (Heide 2002). The taxon is found in Europe, Siberia, the far East of Russia, Caucasus, Asia, China, Mongolia, the Indian subcontinent, North America, southern South America, Subantartic islands, Australia, Papuasia and New Zealand (Monocot Checklist, Flora of North America North Mexico 2002, Flora of Pakistan 2004). The taxon is widespread in the northern hemisphere with scattered localities in the Himalayas, New Guinea and southeastern Australia. In South America, it is only known from the southern Andes, Tierra del Fuego and the Falklands Islands (Vollan et al. 2006) .