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