quercus petraea, pteridium aquilinum, vaccinium myrtillus, castanea sativa, avenella flexuosa, frangula alnus, hypnum cupressiforme, polytrichum formosum, betula pendula, calluna vulgaris, carex pilulifera, dicranum scoparium, fagus sylvatica, molinia caerulea, pleurozium schreberi, sorbus aucuparia