stonewort
/ˈstəʊnwɜːt/noun
1- a freshwater plant with whorls of slender leaves, related to green algae. Many kinds become encrusted with chalky deposits, giving them a stony feel轮藻。
1.1
- Chara and other genera in the class Charophyceae, division Chlorophyta; sometimes placed in its own division (Charophyta).轮藻纲中的轮藻属和其他属, 绿藻门; 有时归于其本门中（轮藻门）。