quercus rubra, pseudotsuga menziesii, betula pendula, prunus serotina, amelanchier lamarckii, fagus sylvatica, sorbus aucuparia, avenella flexuosa, dicranella heteromalla, leucobryum glaucum, molinia caerulea, pinus sylvestris, polytrichum formosum, vaccinium myrtillus, quercus robur