Williams, David M.
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Acta Botanica Croatica Vol. 68 No. 2 (2009): 20 International Diatom Symposium - Articles
"Araphid Diatom Classification" and The "Absolute Standard"
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Acta Botanica Croatica Vol. 74 No. 2 (2015): 8th Central European Diatom Meeting - Articles
How to define a diatom genus? Notes on the creation and recognition of taxa, and a call for revisionary studies of diatoms
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