text: pteridium aquilinum, rubus idaeus, avenella flexuosa, calamagrostis epigejos, agrostis capillaris, betula pendula, calluna vulgaris, ceratodon purpureus, corylus avellana, dicranum polysetum, festuca ovina, fragaria vesca, frangula alnus, galeopsis tetrahit, juncus effusus, luzula pilosa, maianthemum bifolium, milium effusum, molinia caerulea, picea abies, pinus sylvestris, polytrichum formosum, polytrichum juniperinum, rubus polonicus, sambucus racemosa, sciuro-hypnum oedipodium, solidago virgaurea, sorbus aucuparia, urtica dioica, vaccinium myrtillus, vaccinium vitis-idaea