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