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Configuration of girdle bands in Ulnaria gaowangjiensis, SEM A–C four bands associated with the epivalve D A 4:4 configuration of girdle bands in dividing cells. Scale bars: 20 μm (A); 2 μm (B–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 |