Carex secta is a sedge that is endemic to New Zealand. The Māori name is makura amongst others, and it was given the name niggerhead by early European settlers but has fallen out of use because of its racist overtones.
- Healy, A. J.; Edgar, E. 1980: Flora of New Zealand. Vol. III. Adventive Cyperaceous, Petalous and Spathaceous Monocotyledons. Wellington, Government Printer