Luzula multiflora

Luzula multiflora, the common woodrush or heath wood-rush, is a species of flowering plant in the rush family. It is native to Europe, eastern Asia, northern Africa, northern North America, including Canada, and in northern regions of the United States. The native status of common woodrush is under some debate. While Flora of North America list it as introduced, the more common opinion is it is a circumpolar species native in North America and in parts of Europe and Asia. The taxonomy of the wood rush complex involving several Luzula spp. has a history of instability. In the past, common woodrush was classified as a variety of a European species, or Luzula campestris multiflora. Both of these species of rush were then also lumped together with another similar species, Luzula echinata (hedgehog woodrush). As a result, Luzula multiflora and Luzula echinata are sometimes confused. Most of the many woodrushes that grow in North America are rather difficult to tell apart. In spite of the ......read more on Wikipedia.