Polymastia boletiformis, Hemimycale columella. Site: Duncan's Bo,  Rathlin Island
 Polymastia boletiformis, Hemimycale columella. Event number: 20230514/02. Site: Duncan's Bo, Rathlin Island. 2023-05-14. Photograph © Bernard Picton. (23/53) 
 Bernard Picton (2026). Photograph of Polymastia boletiformis, Hemimycale columella. Site: Duncan's Bo, Rathlin Island. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=_b231388.jpg. Accessed on 2026-11-04