be, arr. tongeren, pinus sylvestris, prunus serotina, quercus rubra, quercus robur, betula pendula, sorbus aucuparia, avenella flexuosa, deschampsia flexuosa, vaccinium myrtillus, frangula alnus, fagus sylvatica, dryopteris carthusiana, dryopteris dilatata, molinia caerulea, pseudotsuga menziesii, calluna vulgaris, lonicera periclymenum, carex pilulifera, castanea sativa, betula pubescens, ilex aquifolium, pinus nigra, pteridium aquilinum, amelanchier lamarckii, agrostis capillaris, ceratocapnos claviculata, picea abies, quercus petraea, galium saxatile, teucrium scorodonia, holcus mollis, larix kaempferi, rumex angiocarpus, rumex acetosella, rubus idaeus, melampyrum pratense, acer pseudoplatanus, moehringia trinervia, rubus plicatus, galeopsis tetrahit, juncus effusus, vaccinium vitis-idaea, luzula pilosa, corylus avellana, holcus lanatus, cytisus scoparius, impatiens parviflora, convallaria majalis, maianthemum bifolium, pinus strobus