On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Macrophyte ID guides (plants)

ID guides to a range of macrophytes.

NIWA
The most popular native plants with the aquarium enthusiasts were Limosella lineata, a native turf plant, and Myriophyllum robustum, a threatened native milfoil. (Credit: NIWA)