* <b>Sujet:</b> Colony of <i>Pectinatella magnifica</i>, reservoir of Esch-sur-Sûre (Luxembourg), 2012-09-08, near Burfelt (Insenborn), water turbid (due to cyanophyte bloom).
<ul><li><b>Auteur:</b> jamcelsus</li>
<li><b>Source:</b> own work</li>
<li><b>Lizenz:</b></li></ul>
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