Bobrov, A.A., Zalewska-Gałosz, J. and Chemeris, E.V. 2013. <em>Potamogeton</em> ×<em>clandestinus</em> (<em>P</em>. <em>crispus</em> × <em>P</em>. <em>natans</em>, Potamogetonaceae), a new natural pondweed hybrid discovered in Europe. Phytotaxa. 149, 1 (Dec. 2013), 31–49. DOI:https://doi.org/10.11646/phytotaxa.149.1.5.