text: corylus avellana, quercus robur, pteridium aquilinum, sorbus aucuparia, tilia platyphyllos, atrichum undulatum, hedera helix, kindbergia praelonga, lonicera periclymenum, mnium hornum, polygonatum multiflorum, prunus serotina, dryopteris dilatata, fraxinus excelsior, maianthemum bifolium, dryopteris carthusiana, frangula alnus, ilex aquifolium, amelanchier lamarckii, betula pubescens, sambucus nigra