Nomenclatural Note: Polyphasic characterization of three strains of Anabaena reniformis and Aphanizomenon aphanizomenoides (cyanobacteria) and their reclassification to Sphaerospermum gen - Zapomelová, E.; Jezberová, J.; Hrouzek, P.; Hisem, D.; Reháková, K.; Komárková, J. (nov. (incl. Anabaena kisseleviana) Journal of Phycology, 2010)