Digital Image Collection of Desmids
Desmids are microscopic single-celled green algae with a typical symmetrical appearance. The cells are divided in two halves ('semicells') that are mirror images of each other and they show a remarkable variation in shape and ornamentation. Because desmids thrive in clear and nutrient poor freshwater, they gain increasing attention from ecologists for assessing and monitoring wetland areas.

Actinotaenium turgidum

Actinotaenium turgidum (Brébisson) Teiling
Reference: Coesel & Meesters 2007
Remarks: Notice the accumulation of crystals on the 'bottom' of the apparent empty space (vacuole) in the semicells.
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Front view
Czech Republic
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Front view
Czech Republic
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Detail
Czech Republic
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Front view
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Front view
Czech Republic

All photos copyright: © 2009-2012 Alfred van Geest