Oscillatoria

Oscillatoria

Lyngbya. Phormidium. Three genera difficult to tell apart, even by specialists. Cells united into unbranched filaments,without spores or other specialised bodies, but often with a differently shaped end cell. The filaments can creep slowly along. Diameters vary from 1um to 30 or more. Sometimes found as single filaments, sometimes forming dense mats, often dark bluish green, olive or purplish brown in colour, and with a characteristic small. Very common in all sorts of water bodies, either planktonic or benthic,also in air on wet rocks and soil.

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