Calciphile communities of fixed dunes of the North Sea, the English Channel, the north Atlantic and, locally, of the southwestern Baltic, with Koeleria albescens, (Koeleria glauca, Koeleria arenaria), Galium verum var. maritimum, Viola curtisii, Ononis repens, Festuca rubra, Festuca polesica, Anthyllis vulneraria ssp. maritima and moss (e.g. Tortula ruraliformis) and lichen carpets.