Carex multicostata was created in 1917.
Tucetona multicostata was created in 1833.
Mitromorpha multicostata was created in 1911.
Oenopota multicostata was created in 1878.
Carex umbrosa was created in 1801.
Carex ericetorum was created in 1777.
Carex occidentalis was created in 1889.
Carex aquatilis was created in 1803.
Carex nigra was created in 1753.
Carex tiogana was created in 1999.
Carex flacca was created in 1771.
Carex festucacea was created in 1805.
Carex secta was created in 1853.