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

同义词：cat's-tail??/??bulrush??/??nailrod??/??reed mace??/??reedmace??/??Typha latifolia

tall rush with soft erect or arching stems found in Eurasia, Australia, New Zealand, and common in North America

同义词：bulrush??/??common rush??/??soft rush??/??Juncus effusus