Acidocline Carex limosa swards and floating rafts of the Palaearctic domaine, with Scheuchzeria palustris, Drosera rotundifolia, Drosera anglica, Menyanthes trifoliata and the sphagna Sphagnum recurvum, Sphagnum subsecundum, Sphagnum imbricatum, Sphagnum papillosum and Menyanthes trifoliata. Outside of transition mires, elements of these communities, and notably Scheuchzeria palustris, occur in deep hollows of bogs (unit D1.1121), with Rhynchospora alba and Carex pauciflora and often without Carex limosa.