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