European maritime sedge naturalized along Atlantic coast of United States; rootstock has properties of sarsaparilla.

一种欧洲的海岸，美国大西洋海岸归化；具有菝葜性能的茎。

Quillworts are heterosporous, mainly aquatic perennials, with a dense rosette of tubular quill-like leaves arising from a short, stout rootstock.

韭目的物具有异型孢子，是多年物。其管状条形叶密集簇于粗短的茎之上。