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Speargrasses are some of Aotearoa New Zealand’s most distinctive plants and an iconic feature of many of Te Waipounamu South Island’s non-forested habitats, especially when flowering.
Te Papa Research Scientist Lara Shepherd and Botany Curator Leon Perrie analysed DNA from speargrasses to examine how genetic diversity is partitioned across Te Waipounamu South Island. The results revealed a surprisingly complex story about how speargrasses survived the ice ages.
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