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