Spodiopogon sibiricus

Spodiopogon sibiricus is a species of perennial grass in the family Poaceae.

It is native to Siberia, Mongolia, China, Korea, and Japan.

Culms are solitary, erect, 70–200 cm in height, 2–4 mm in diameter, and unbranched.

Common names

 * frost grass
 * Siberian graybeard
 * silverspike