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