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Ulnaria neobiceps sp. nov., internal view, SEM A–D four middle valve parts showing very variable central areas. Scale bars: 2 μm (A–D). |
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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 |