prunus serotina, pinus nigra, vaccinium myrtillus, castanea sativa, dryopteris dilatata, dicranella heteromalla, atrichum undulatum, avenella flexuosa, calluna vulgaris, carex pilulifera, dryopteris carthusiana, mnium hornum, molinia caerulea, quercus robur, sorbus aucuparia, fagus sylvatica, frangula alnus, quercus rubra