Entorrhiza C. Weber (Ustilaginales) in root nodules of Juncus and Scirpus in New Zealand

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Abstract
Entorrhiza is a smut fungus which produces sori as terminal swellings in the roots of the Juncaceae and Cyperaceae. The fungus appears to have little effect on the host plant. Entorrhiza has been reported previously almost entirely from Europe. Its presence in New Zealand is the first valid record of the genus in the Southern Hemisphere. The New Zealand records are of Entorrhiza digitata Lagerh. on Juncus articulatus L. and Juncus gregiflorus L. Johnson, and of Entorrhiza scirpicola (Correns) Sacc. and Syd. on Scirpus basilaris (Hook.f.) C. B. Clarke and Scirpus cernuus Vahl. This is the first record of Juncus gregiflorus, Scirpus basilaris, and Scirpus cernuus as host plants for Entorrhiza.