''Carex melanostachya'', called the Great Plains sedge, is a species of flowering plant in the genus ''

Carex ''Carex'' is a vast genus of more than 2,000 species of grass-like plants in the family Cyperaceae, commonly known as sedges (or seg, in older books). Other members of the family Cyperaceae are also called sedges, however those of genus ''Carex'' ...

'', native to central Europe to western Asia, and introduced to the central US. Its chromosome number is 2n=54, with some uncertainty.

References

melanostachya Plants described in 1805 {{Carex-stub