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