Claim: There are 13 collections of active Herbaria in New Zealand, per the Index Herbariorum,  which provides a global directory of staff and herbaria that was originally published by the International Association for Plant Taxonomy (IAPT), an organization established to promote an understanding of plant biodiversity, facilitate international communication of research between botanists, and oversee matters of uniformity and stability in plant names.
Evidence: The Index Herbariorum provides a global directory of herbaria and their associated staff. The index was originally published by the International Association for Plant Taxonomy, which sponsored the first six editions (1952–1974); subsequently the New York Botanical Garden took over the responsibility for the index. The International Association for Plant Taxonomy (IAPT) is an organization established to promote an understanding of plant biodiversity, facilitate international communication of research between botanists, and oversee matters of uniformity and stability in plant names. Landcare Research New Zealand Limited, Allan Herbarium New Zealand; Lincoln Auckland War Memorial Museum New Zealand; Auckland Museum of New Zealand New Zealand; Wellington Otago Regional Herbarium, University of Otago New Zealand; Dunedin New Zealand Forest Research Institute (Scion), National Forestry Herbarium New Zealand; Rotorua University of Waikato Herbarium New Zealand; Hamilton