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The parasitic smut fungus Corynelia tropica is responsible for leaf spot on tōtara trees. It is widespread throughout New Zealand and can kill seedling trees.
The parasitic smut fungus Corynelia tropica is responsible for leaf spot on tōtara trees. It is widespread throughout New Zealand and can kill seedling trees.
Peter Buchanan, Fungi – Parasites: disease-causing fungi, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/en/photograph/11586/totara-leaf-spot (accessed 4 June 2026).
Story by Peter Buchanan, published 1 March 2009.