Halecium halecinum. Site: NW Limestone Rock, Strangford Lough
 Halecium halecinum. Event number: 19820520/03. Site: NW Limestone Rock, Strangford Lough. 1982-05-20. Photograph © David Connor. (16/20) 
 David Connor (2026). Photograph of Halecium halecinum. Site: NW Limestone Rock, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_0156.jpg. Accessed on 2026-11-04