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