Grass

Identified by the straw yellow flowers with a purplish tinge that are present from December to April.

The sharp, needle-like tips of the seeds can penetrate skin and their backward-pointing bristles make them hard to remove.

Brought to New Zealand as an ornamental garden plant. Gardeners loved it for its ever-present flowers year round and hardiness.

Initially introduced for dune stabilisation but instead causes large, steep dunes. 

An extremely tough, thin densely tufted, perennial tussock grass that grows up to 70cm tall.

Native to South America and was accidentally introduced to NZ in the late 1800’s.

Erect grass which grow aggressively to form large dense mats, usually found in nutrient-rich water and wet ground.

Originally from the Americas it was introduced to New Zealand primarily as a turf grass for coastal golf courses. 

A clumping grass that is found in inter-tidal zones of coastlands and wetlands.

A tufted perennial grass with whorled branches that are bamboo-like in appearance.