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