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