pseudotsuga menziesii, pteridium aquilinum, pinus sylvestris, avenella flexuosa, calluna vulgaris, fagus sylvatica, vaccinium myrtillus, betula pendula, campylopus flexuosus, carex pilulifera, castanea sativa, dicranum scoparium, hypnum cupressiforme, leucobryum glaucum, picea abies, polytrichum formosum