tall marsh plant with cylindrical seed heads that explode when mature shedding large quantities of down; its long flat leaves are used for making mats and chair seats; of North America, Europe, Asia and North Africa
source: WordNet 3.0
tall rush with soft erect or arching stems found in Eurasia, Australia, New Zealand, and common in North America
source: WordNet 3.0
A kind of large rush, growing in wet land or in water.