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