Carex edura, a reference photo
Photo: Alan Weakley · CC0 1.0 (licence)

Carex edura is a perennial sedge of the Cyperaceae family that is native to Macquarie Island as well as the North Island and South Island and the Antipodean Islands of New Zealand.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

We have no record of Carex edura being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Plantae
Phylum
Tracheophyta
Class
Liliopsida
Order
Poales
Family
Cyperaceae
Genus
Carex
Species
Carex edura

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