The tussock-forming sedge Carex cespitosa forms large hummocks that are difficult to mow, and thus most of its stands are unmanaged. Soils are wet and rich in bases and nutrients. This vegetation type occurs in drier and warmer areas than most of other associations of the alliance Calthion palustris. Scattered localities are found in colline landscapes at fringes of the Bohemian Massif.