TOEBE, Kerstin, Tilman J. ALPERMANN, Urban TILLMANN, Bernd KROCK, Allan CEMBELLA, & Uwe JOHN 2013 (online Feb 8) Molecular discrimination of toxic and non-toxic Alexandrium species (Dinophyta) in natural phytoplankton assemblages from the Scottish coast of the North Sea Eur. J. Phycol. 48(1): 12-26, 4 figs., 2 tables "the groups/ribotypes of the Alexandrium tamarense species complex are cryptic species rather than variants belonging to the same species". |