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