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