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