Carex bohemica

Carex bohemica is a species of sedge (genus Carex), native to Europe, Siberia, and northern Asia to Japan, and it was introduced to Sweden. It prefers to grow in mud flats. It is called Zypergras-Segge in German.

Description
The grasses can reach heights of 25 to 40 centimeters long. It has simple, alternate leaves. The leaves are also linear, entire, and have parallel venation. It has flowers arranged in spikes that bloom from June to September. The grass produces nuts.