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