Carex nigra (*)
Carex nigra (L.) Reichard
* Fl. moeno-francof. 2:96. 1778
Carex nigra (L.) Reichard (syn. C. acuta auct. non L.) is a perennial species of plants in the family Cyperaceae native to wetlands of Europe, western Asia, NW Africa and E North America. The eastern limit of its range reaches central Siberia, Turkey and probably Caucasus.
Source: Wikispecies, Wikipedia: All text is available under the terms of the GNU Free Documentation License