Summary ¹

Didymosphenia geminata, commonly known as didymo or rock snot, is a species of diatom that produces nuisance growths in freshwater rivers and streams, with consistently cold water temperatures. In New Zealand, didymo can form large mats on the bottom of rivers and streams in late Winter. It is not considered a significant human health risk, but it can affect stream habitats and sources of food for fish and make recreational activities unpleasant. It is considered a...

Sources and Credits

1. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Didymosphenia_geminata

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