Carex nigra
Plantae | Poales | Cyperaceae | Carex | Carex nigra
Carex atrata  subsp. aterrima
(Hoppe) Hartm.
Angiosperms | Poales | Cyperaceae | Carex | Carex atrata | Carex atrata  subsp. aterrima
| Small | Juss. | L. | L. | (Hoppe) Hartm.