Baltic [Crambe maritima] communities

Perennial communities of the shingle beaches and bars of the southern Baltic, east to Mecklenburg, where they are represented by fragmentary, endangered formations, of the Swedish, Finnish and Estonian coasts and islands of the Öland-Gotland basin, of the coasts of the Kattegat, the Oresund and the Baelts, dominated by [Crambe maritima], with [Leymus arenarius] ([Elymus arenarius]), [Euphorbia palustris], [Honkenya peploides], [Angelica archangelica ssp. litoralis], [Atriplex] spp., [Beta vulgaris ssp. maritima], [Elymus repens], [Geranium robertiana ssp. rubricaule], [Glaucium flavum], [Isatis tinctoria], [Ligusticum scoticum], [Mertensia maritima], [Silene vulgaris ssp. maritima] ([Silene uniflora]), [Tripleurospermum maritimum], [Valeriana salina].