Harmothoe impar. Site: Greyabbey,  Strangford Lough
 Harmothoe impar. Event number: 20210305/01. Site: Greyabbey, Strangford Lough. 2021-03-05. Photograph © Bernard Picton. (20/34) 
 Bernard Picton (2026). Photograph of Harmothoe impar. Site: Greyabbey, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=_z215783.jpg. Accessed on 2026-11-04