Morphological and phylogenetic data do not support the split of Alexandrium into four genera

Kenneth Neil Mertens, Masao Adachi, Donald M. Anderson, Christine J. Band‐Schmidt, Isabel Bravo, Michael L. Brosnahan, Christopher J. S. Bolch, António J. Calado, M. Consuelo Carbonell-Moore, Nicolas Chomérat, Malte Elbrächter, Rosa Isabel Figueroa, Santiago Fraga, Ismael Gárate‐Lizárraga, Esther Garcés, Haifeng Gu, Gustaaf M. Hallegraeff, Philipp Heß, Mona Hoppenrath, Takeo Horiguchi, Mitsunori Iwataki, Uwe John, Anke Kremp, Jacob Larsen, Chui Pin Leaw, Zhun Li, Po Teen Lim, Wayne Litaker, Lincoln MacKenzie, Estelle Masseret, Kazumi Matsuoka, Øjvind Moestrup, Marina Montresor, Satoshi Nagai, Élisabeth Nézan, Tomohiro Nishimura, Yuri B. Okolodkov, T. Yu. Orlova, Albert Reñé, Nagore Sampedro, Cecilia Teodora Satta, Hyeon Ho Shin, Raffaele Siano, Kirsty F. Smith, Karen A. Steidinger, Yoshihito Takano, Urban Tillmann, Jennifer L. Wolny, Aika Yamaguchi, Shauna A. Murray