Fig. 4a-c in Morphological, ecological and toxicological aspects of Raphidiopsis raciborskii (Cyanobacteria) in a eutrophic urban subtropical lake in southern Brazil

Fig. 4a-c. Photomicrographs of Raphidiopsis raciborskii bloom from the studied lake demonstrating: a. general aspect of the bloom; c. part of a trichome with a heterocyte and an akinete; c. part of a trichome with only an akinete. Bars =10µm.