Anabaena

A genus of CYANOBACTERIA consisting of trichomes that are untapered with conspicuous constrictions at cross-walls. A firm individual sheath is absent, but a soft covering is often present. Many species are known worldwide as major components of freshwater PLANKTON and also of many saline lakes. The species DOLICHOSPERMUM FLOS-AQUAE is responsible for acute poisonings of various animals.

Source last updated 2026-05-24T15:26:01.302Z