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