Fig. 2From: Morphology and taxonomy of the Aphanizomenon spp. (Cyanophyceae) and related species in the Nakdong River, South KoreaPhotographs of genus Aphanizomenon from natural samples collected in the Nakdong River. a Aph. flos-aquae. b Aph. klebahnii. c Aph. skujae. d Cuspidothrix issatschenkoi Back to article page