be, arr. leuven, quercus robur, castanea sativa, betula pendula, lonicera periclymenum, sorbus aucuparia, frangula alnus, quercus rubra, calluna vulgaris, fagus sylvatica, vaccinium myrtillus, molinia caerulea, deschampsia flexuosa, carex pilulifera, prunus serotina, avenella flexuosa, betula pubescens, teucrium scorodonia, pinus sylvestris, pteridium aquilinum, agrostis capillaris, holcus mollis, ilex aquifolium, rumex angiocarpus, corylus avellana, erica tetralix, rumex acetosella, dryopteris dilatata, dryopteris carthusiana, acer pseudoplatanus, hedera helix, polygonatum multiflorum, juncus effusus, festuca filiformis, holcus lanatus, cytisus scoparius, quercus petraea, galeopsis tetrahit, sambucus nigra, salix caprea, populus tremula, convallaria majalis, maianthemum bifolium, potentilla erecta, athyrium filix-femina, luzula pilosa, luzula multiflora, carpinus betulus, amelanchier lamarckii, hypochaeris radicata, hieracium umbellatum