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.

Cosmarium tetraophtalmum

Cosmarium tetraophtalmum Ralfs
Reference: Coesel & Meesters 2007
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Front view
Netherlands
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Front view
Netherlands
2009-037-020
Detail
Netherlands

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1989-005-080
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Front view
Canada (Yu)
1989-005-080
Detail
Canada (Yu)
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Front view
Canada (Yu)
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Side view
Canada (Yu)
1989-002-037
Side view
Canada (Yu)
C0333.gif
1989-002-038
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Side view
Canada (Yu)
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Side view
Canada (Yu)
1989-002-038
Apical view
Canada (Yu)

All photos copyright: © 2009-2012 Alfred van Geest