《太平广记·卷四百七十七·昆虫五》
又有一种草生长在山脚下湿润的地方，叶子像百合，叶是对生的，只有一根茎，茎是微红色，高有一二尺，名叫虱建草，它可以消灭虮虱。
又有草生山足湿处，叶如百合，对叶独茎，茎微赤，高一二尺，名虱建草，能去虮虱。
There is also a kind of grass that grows in moist places at the foot of the mountain. The leaves are like lilies, the leaves grow in pairs, and there is only one stem. The stem is slightly red and one or two feet high. It is called lice structure grass, and it can eliminate lice.