Calamagrostis varia is a species of flowering plant from the family Poaceae which is native to Europe.
The species is perennial and caespitose with short rhizomes and erect culms which are 30–120 centimetres (12–47 in) long. It ligule have an eciliate membrane which is 2–4 millimetres (0.079–0.157 in) long and is also lacerate, and obtuse. The leaf-blades are 10–25 centimetres (3.9–9.8 in) by 4–9 millimetres (0.16–0.35 in) with the bottom being glabrous. The panicle is open, linear, is 5–20 centimetres ...