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Closing plates of Ulnaria, external view, SEM A U. wulingensis B U. fanjingensis sp. nov. C U. oxybiseriata D U. jishou-biseriata sp. nov. Scale bars: 300 nm (A, B, D); 600 nm (C). |
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| Part of: Liu B (2023) The diatom genus Ulnaria (Bacillariophyta) in China. PhytoKeys 228: 1-118. https://doi.org/10.3897/phytokeys.228.101080 |