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