Springs rich in calcium, typically due to calcareous tufa formation. Species-rich habitats with high moss cover, high dominance of moss Cratoneuron commutatum is typical. The stands belong to alliances Cratoneurion commutati and Lycopodo-Cratoneurion commutati with typical species Arabis soyeri, Saxifraga aizoides, Viola biflora, Cochlearia pyrenaica, Bryum pseudotriquetrum, Conocephalum conicum, Eucladium verticillatum and Palustriella commutata.