Sargassum muticum. Site: Ballyhenry Island,  Strangford Lough
 Sargassum muticum. Event number: 20200728/01. Site: Ballyhenry Island, Strangford Lough. 2020-07-28. Photograph © Christine Morrow. (9/64) 
 Christine Morrow (2026). Photograph of Sargassum muticum. Site: Ballyhenry Island, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=_7280383.jpg. Accessed on 2026-11-04