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AH_Nostoc Freshwater Grapes Blue-green Algae Cyanobacteria_4135.jpg
Shallow pool on an area of limestone pavement containing Freshwater Grapes {Nostoc sp.}, a blue-green algae or cyanobacteria. Gait Barrows National Nature Reserve, Lancashire, UK. September.
© Alex Hyde 3663x5495 / 8.3MB