Carex buxbaumii is a species of sedge known by the common name club sedge or Buxbaum's sedge. It is native to much of the northern Northern Hemisphere, from Alaska to Greenland to Eurasia, and including most of Canada and the United States. It grows in wet habitat, such as marshes and fens. This sedge grows in clumps from long rhizomes. The stems are 75 to 100 centimeters in maximum height. The leaves are narrow and small. The inflorescence has a bract which is sometimes longer than the spikes. The fruits have dark-colored bracts and a sac called a perigynium which is gray-green and rough in texture.
- "BSBI List 2007" (XLS). Botanical Society of Britain and Ireland. Retrieved 2014-10-17.
- Media related to Carex buxbaumii at Wikimedia Commons
- Jepson Manual Treatment
- USDA Plants Profile
- Flora of North America
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