Carex divisa Huds.
Divided sedge (Carex divisa) is a long-lived, perennial sedge that is native to Europe and southern Africa. It may have been introduced to New Zealand as a contaminant of pasture seed and was first recorded in the wild (naturalised) in 1871. The plant forms dense tufts with narrow, grey-green leaves and flowering stems up to about 60 centimetres tall. It flowers from October to January, producing several dense, brown flower spikes, which develop into small, dry fruits containing a single seed. It tolerates damp conditions, saline soils and periodic flooding. It reproduces by seed. Seeds are dispersed by water, animals and human activities.
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