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