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