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  • One new species of Achnanthidium Kutzing (Bacillariophyta, Achnanthidiaceae) from the upper Han River, China

    Author(s)
    Liu, YAN
    Tan, XIANG
    Kociolek, John patrick
    Kulikovskiy, MAXIM
    Lu, XINXIN
    Fan, YAWEN
    Griffith University Author(s)
    Tan, Xiang
    Year published
    2021
    Metadata
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    Abstract
    The upper Han River plays an important role in the Middle Route of the North to South Water Transfer Project in China. During an investigation of diatom biodiversity in this area, a new benthic monoraphid diatom, Achnanthidium ampliatum sp. nov. was observed from an alkaline tributary. This new species has relatively large valves, with a lanceolate axial area and distal raphe ends curved to the same side on the raphe valve, linear axial area in rapheless valves, with uniseriate striae and round to short slit-like areolae on both valves. We present light and scanning electron microscopic observations to document the new ...
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    The upper Han River plays an important role in the Middle Route of the North to South Water Transfer Project in China. During an investigation of diatom biodiversity in this area, a new benthic monoraphid diatom, Achnanthidium ampliatum sp. nov. was observed from an alkaline tributary. This new species has relatively large valves, with a lanceolate axial area and distal raphe ends curved to the same side on the raphe valve, linear axial area in rapheless valves, with uniseriate striae and round to short slit-like areolae on both valves. We present light and scanning electron microscopic observations to document the new species. A. ampliatum sp. nov. is easily separated from other, similar Achnanthidium and Psammothidum taxa, and we provide comparisons with species that have similar outlines and valve features.
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    Journal Title
    Phytotaxa
    Volume
    516
    Issue
    2
    DOI
    https://doi.org/10.11646/phytotaxa.516.2.6
    Subject
    Plant biology
    Science & Technology
    Life Sciences & Biomedicine
    Plant Sciences
    Achnanthidium
    new species
    Publication URI
    http://hdl.handle.net/10072/409284
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    • Journal articles

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