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OBJECTIVES
In the present study we have characterized 9 new strains of Pseudanabaena isolated from Polar Regions, and we made re-evaluation of 15 selected members of Pseudanabaenaceae and Leptolyngbyaceae families present in culture collections, on the basis of combined molecular and cytomorphological markers.
RESULTS
Our results confirmed that the molecular evaluation of the selected strains more or less coincide with some morphological characters of the species, but unfortunately it seems that some other markers which are not that distinct and recognizable are more important for the taxonomic classification instead of the proposed ones.