- Source: Carex uncinata
- Carex uncinata
- List of Carex species
- Gippsland Plains Grassy Woodland
- List of least concern plants
- Uncinia
- Flora of Malta
- List of endemic and threatened plants of India
- List of IUCN Red List Vulnerable plants
- List of Australian plant species authored by Ferdinand von Mueller
- List of Canadian plants by family C
Carex uncinata, the Hawai'i birdcatching sedge, hook grass, hook sedge, bastard grass, kamu or matau-a-maui, is a species of flowering plant in the sedge family, Cyperaceae.
Carex uncinata is native to New Zealand (including the Antipodes), the Society Islands, and Hawaii. Its natural habitat is from the coast up to 1,000 m (3,300 ft), where it is found in areas ranging from native forest to shrubland.