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 tuddalense

Cosmarium tuddalense Strøm
Reference: Prescott et al. 1981
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Front view
Canada (BC)
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Detail
Canada (BC)

All photos copyright: © 2009-2012 Alfred van Geest