picea sitchensis, pteridium aquilinum, quercus petraea, quercus robur, prunus serotina, acer pseudoplatanus, polytrichum formosum, hypnum jutlandicum, avenella flexuosa, dicranella heteromalla, dicranum scoparium, calluna vulgaris, campylopus flexuosus, carex pilulifera, dryopteris carthusiana, lonicera periclymenum, molinia caerulea, sambucus racemosa, vaccinium myrtillus, frangula alnus, quercus rubra, sorbus aucuparia