Bull kelp, <i>Durvillea antarctica</i>
Brent J. Sinclair
CC BY 2.5
Chown SL, Sinclair BJ, Leinaas HP, Gaston KJ: <i>Hemispheric Asymmetries in Biodiversity—A Serious Matter for Ecology.</i> PLoS Biol 2/11/2004: e406. <a rel="nofollow" class="external free" href="https://dx.doi.org/10.1371/journal.pbio.0020406">https://dx.doi.org/10.1371/journal.pbio.0020406</a>