be, arr. leuven, castanea sativa, quercus rubra, quercus robur, fagus sylvatica, prunus serotina, sorbus aucuparia, lonicera periclymenum, vaccinium myrtillus, betula pendula, dryopteris carthusiana, acer pseudoplatanus, frangula alnus, dryopteris dilatata, pteridium aquilinum, carex pilulifera, pinus sylvestris, molinia caerulea, ilex aquifolium, avenella flexuosa, deschampsia flexuosa, teucrium scorodonia, corylus avellana, athyrium filix-femina, hedera helix, betula pubescens, luzula pilosa, convallaria majalis, juncus effusus, calluna vulgaris, quercus petraea, pseudotsuga menziesii, carpinus betulus, polygonatum multiflorum, holcus mollis, maianthemum bifolium, anemone nemorosa, oxalis acetosella, sambucus nigra, picea abies, larix kaempferi, agrostis capillaris, prunus avium, fraxinus excelsior, pinus nigra, dryopteris filix-mas, rubus idaeus, lamium galeobdolon, galeopsis tetrahit, salix caprea, populus tremula