Three-square Bulrush Schoenoplectus pungens
Native. Not threatened
As an annual grass, this species fades away the winter half of the year. It can intergrow with Purua Grass over large areas, so when both species die off, the vegetation looks haggard.
Native to Aotearoa New Zealand, it also grows widely around the world and is widespread in western Europe, America and Australia.
In addition to estuarine situations, this is one of the common species growing in the dune wetlands on this coast and is not usually found far away from the sea but is occasionally found up to 400m above sea level.