Anabaena variabilisA species of ANABAENA that can form SPORES called akinetes.
AnabaenaA 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 ANABAENA FLOS-AQUAE is responsible for acute poisonings of various animals.
SporesThe reproductive elements of lower organisms, such as BACTERIA, PROTOZOA, FUNGI, and cryptogamic plants.
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