fronds of the brown algae <i>Ascophyllum nodosum</i>
<a href="https://en.wikipedia.org/wiki/User:Dozens" class="extiw" title="en:User:Dozens">Dozens</a> at <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a>
CC BY 2.5
Transferred from <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a>.