146,298 species and infraspecific names are in the database, 19,352 images, 55,515 bibliographic items, 333,289 distributional records.

AlgaeBase is a database of information on algae that includes terrestrial, marine and freshwater organisms.

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Heteroleibleinia rigidula (Kützing ex Hansgirg) L.Hoffmann Filaments on Tolypothrix (showing false branching of latter). River Ehen, Cumbria, UK. Collected by Martyn Kelly

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