Materials to the Zygnemaceae of Poland. I. Development cycle and supplementation of diagnosis of Zygnema allorgei Gauthier-Lievre 1965, a species new for the European flora
2014
Joanna Z. Kadłubowska
In the water sample taken on September 7, 1976 from the pond in Głowno (Łódź District) filaments of Zygnema were found in vegetative stage. In culture a full development cycle of this alga was observed: vegetative filaments, conjugation, zygotes and their germination. The taxon was identified as Zygnema allorgei Gauthier-Lievre. Its diagnosis was supplemented. It is the second site of occurance of the species in the world. Z. allorgei was described for the first time in 1965 in Algeria.
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