text: quercus petraea, avenella flexuosa, pteridium aquilinum, betula pendula, frangula alnus, carpinus betulus, convallaria majalis, galium saxatile, hypnum cupressiforme, luzula luzuloides, maianthemum bifolium, vaccinium myrtillus, acer pseudoplatanus, dryopteris filix-mas, epipactis helleborine, poa chaixii, sorbus aucuparia