Delesseria sanguinea, Plocamium cartilagineum. Site: SE of St.John's Point
 Delesseria sanguinea, Plocamium cartilagineum. Event number: 19830503/04. Site: SE of St.John's Point. 1983-05-03. Photograph © David Erwin. (5/11) 
 David Erwin (2026). Photograph of Delesseria sanguinea, Plocamium cartilagineum. Site: SE of St.John's Point. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_1570.jpg. Accessed on 2026-11-04