A prostrate, mat - forming annual plant(Mollugo verticillata)widespread as a weed throughout North America and having whorled leaves and small, greenish - white flowers.

• 轮生粟米草一种（轮生粟米草粟米草属）属匍匐的、可做草席的一年生杂草，广泛分布在北美洲，生有轮生叶和细小的绿白色花