Formations of the Hautes Chaumes (high Vosges), with Nardus stricta, Gentiana lutea, Arnica montana, Pulsatilla alba, Viola lutea ssp. elegans, Selinum pyrenaeum, Leontodon pyrenaicus, Hieracium vogesiacum, Hieracium olivaceum, Hieracium alpinum and abundant ericoid shrubs, Erica tetralix, Vaccinium myrtillus, Vaccinium vitis-idaea.