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