Halopteris catharina, Bryopsis plumosa. Site: E of Castle Head, Rathlin Island 
 Halopteris catharina, Bryopsis plumosa. Event number: 19850625/02. Site: E of Castle Head, Rathlin Island. 1985-06-25. Photograph © David Connor. (9/9) 
 David Connor (2026). Photograph of Halopteris catharina, Bryopsis plumosa. Site: E of Castle Head, Rathlin Island. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_9997.jpg. Accessed on 2026-11-04