Polysiphonia</i> sp.<i>. Site: White Cliffs, Church Bay, Rathlin Island
 Polysiphonia sp.. Event number: 19850704/03. Site: White Cliffs, Church Bay, Rathlin Island. 1985-07-04. Photograph © Ulster Museum. (8/11) 
 Ulster Museum (2026). Photograph of Polysiphonia sp.. Site: White Cliffs, Church Bay, Rathlin Island. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_10870.jpg. Accessed on 2026-11-04