Fig. 3From: Morphology and taxonomy of the Aphanizomenon spp. (Cyanophyceae) and related species in the Nakdong River, South KoreaTerminal cells, vegetative cells, heterocytes, and akinetes of the four Aphanizomenon taxa from natural samples collected in the Nakdong River. A-1, B-1, C-1, D-1 Aph. flos-aquae. A-2, B-2, C-2, D-2 Aph. klebahnii. A-3, B-3, D-3 Aph. skujae. A-4, B-4, C-4 Cuspidothrix issatschenkoi Back to article page