《淮南子·地形训》
海闾生育屈龙，屈龙生育容华，容华生育蔈，蔈生育藻，藻生育浮草。凡是浮生水面无根的植物都是由萍藻浮草生育过来的。
海闾生屈龙，屈龙生容华，容华生蔈，蔈生萍藻，萍藻生浮草，凡浮生不根茇者生于萍藻。
Hai Lu gave birth to Qu Long, Qu Long gave birth to Rong Hua, Rong Hua gave birth to Yi, Yi gave birth to Zao, Zao gave birth to Floating Grass. All rootless plants floating on the water surface are evolved from the development of Ping Zao and Floating Grass.