Moss Balls in Lake Myvatn, Iceland
by Ragnar Sigurdsson (arctic-images.com), Iceland
Moss balls (cladophora aegagropila) also known as Marimo (Japanese), Cladophora balls or Lake balls are a species of filamentous green algae found in lakes in Iceland, Scotland, Japan and Estonia. Higher resolution images available from email@example.com (there is a licensing fee depending on the use).
Ragnar Sigurdsson (arctic-images.com) (distributed via imaggeo.egu.eu)