Carex nigricans was created in 1831.
Carex umbrosa was created in 1801.
Acanthurus nigricans was created in 1758.
Epicrocis nigricans was created in 1888.
Kennedia nigricans was created in 1835.
Clarias nigricans was created in 2003.
Carex disperma was created in 1820.
Carex neurophora was created in 1923.
Carex heteroneura was created in 1880.
Carex pellita was created in 1805.
Carex simulata was created in 1908.
Carex illota was created in 1889.
Carex mariposana was created in 1917.