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