Plocamium cartilagineum. Site: W of Craigbrain, Ballywalter
 Plocamium cartilagineum. Event number: 19840731/07. Site: W of Craigbrain, Ballywalter. 1984-07-31. Photograph © Christine Howson. (3/7) 
 Christine Howson (2026). Photograph of Plocamium cartilagineum. Site: W of Craigbrain, Ballywalter. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_7945.jpg. Accessed on 2026-11-04