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