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 crenulatum

Cosmarium crenulatum Nägeli
Reference: Coesel & Meesters 2007
C0667.gif
2010-021-015
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2011-019-004
2010-021-015
Front view
Netherlands
2011-019-004
Front view
Netherlands

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1989-002-009
C0667.gif
1989-002-009
1989-002-009
Front view
Canada (Yu)
1989-002-009
Side view
Canada (Yu)

All photos copyright: © 2009-2012 Alfred van Geest