Xanthidium Ehrenberg ex RalfsCells generally ranging from 35 to 70 µm in length and little less in breadth. Cells are often furnished with simple often paired spines, usually arranged more or less symetrically on the lateral margins. (Croasdale, H. & Flint, E. 1988. Flora of New Zealand Desmids II. - Caxton Press, Christchurch.) |
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