be, arr. tongeren, quercus rubra, prunus serotina, quercus robur, sorbus aucuparia, frangula alnus, pinus sylvestris, lonicera periclymenum, betula pendula, castanea sativa, dryopteris carthusiana, molinia caerulea, dryopteris dilatata, betula pubescens, alnus glutinosa, juncus effusus, amelanchier lamarckii, deschampsia flexuosa, avenella flexuosa, rhododendron ponticum, fagus sylvatica, vaccinium myrtillus, lysimachia vulgaris, corylus avellana, athyrium filix-femina, pteridium aquilinum, urtica dioica, acer pseudoplatanus, teucrium scorodonia, sambucus nigra, bidens frondosa, ilex aquifolium, agrostis capillaris, holcus mollis, lycopus europaeus, potentilla indica, galeopsis tetrahit, calluna vulgaris, holcus lanatus, robinia pseudoacacia, hedera helix, fraxinus excelsior, carex pilulifera, juncus tenuis, polygonatum multiflorum, ceratocapnos claviculata, geum macrophyllum, glechoma hederacea, galium palustre, populus tremula, solanum dulcamara