text: quercus robur, betula pendula, dicranum scoparium, hypnum cupressiforme, polytrichum formosum, pseudoscleropodium purum, avenella flexuosa, calluna vulgaris, carex pilulifera, castanea sativa, cytisus scoparius, erica cinerea, frangula alnus, hedera helix, leucobryum glaucum, pteridium aquilinum