Pīngao (Desmoschoenus spiralis) is an endemic sand-binding plant. The shape of dunes is influenced by the vegetation growing on them. Dunes with pīngao tend to have a low, regular profile, while dunes planted with introduced marram grass (Ammophila arenaria) are higher and have an irregular shape.
Te whakamahi i tēnei tūemi
Department of Conservation
Photograph by Ross Henderson
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