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