quercus robur, carpinus betulus, hedera helix, populus tremula, convallaria majalis, corylus avellana, polytrichum formosum, thuidium tamariscinum, viburnum opulus, atrichum undulatum, betula pendula, castanea sativa, crataegus laevigata, eurhynchium striatum, fraxinus excelsior, lonicera periclymenum, polygonatum multiflorum, pteridium aquilinum