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