About Carex canescens L.
Carex canescens L., also known by the synonyms Carex cinerea Poll. and Carex curta Gooden., is a perennial plant species in the family Cyperaceae. It grows in damp forests and wetlands. This species is widespread across much of Europe, Asia, Australia, New Guinea, North America, Greenland, and southern South America. It has been documented as an invasive species in Sphagnum peatlands disturbed by peat extraction in southern Patagonia. Three infraspecific taxa are recognized: Carex canescens subsp. canescens, distributed across Europe, Asia, Australia, North America, and New Guinea; Carex canescens subsp. disjuncta (Fernald) Toivonen, found in eastern Canada and the eastern United States; and Carex canescens var. robustior Blytt ex Andersson, native to Argentina, Chile, and the Falkland Islands.
