lower intertidal chalk reef. Pushing you macroalgologists again. Expert ID of Phymatolithon.
No interactions present.
You changed the ID. Take a look at this (correctly and helpfully tagged Marine)
You have also left your agreements on a number of (dare I say?) doubtful Hildenbrandia.
Lat/Lng: 51.3839, 1.3251
OS grid ref: TR314702