avenella flexuosa, pleurozium schreberi, pinus sylvestris, quercus rubra, dryopteris dilatata, quercus robur, dicranum scoparium, hypnum cupressiforme, polytrichum commune, betula pendula, ceratocapnos claviculata, picea abies, amelanchier lamarckii, galeopsis tetrahit, sorbus aucuparia