text: quercus robur, pteridium aquilinum, hedera helix, maianthemum bifolium, polygonatum multiflorum, lonicera periclymenum, prunus padus, betula pubescens, corylus avellana, dryopteris carthusiana, humulus lupulus, prunus serotina, sorbus aucuparia, mnium hornum, populus canadensis, sambucus nigra