A plant of the drier parts of saltmarshes (not on rock, unlike Spergularia rupicola), all around the coast.
All names: Spergularia marina (L.) Griseb.; Spergularia salina J.S. & C Presl; Alsine media auct.
NBN Atlas mapping: Species account : NBN Atlas UK Species Observations database
iNaturalist: Species account : iNaturalist World Species Observations database