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