be, arr. leuven, castanea sativa, quercus rubra, quercus robur, prunus serotina, fagus sylvatica, sorbus aucuparia, lonicera periclymenum, betula pendula, molinia caerulea, frangula alnus, pinus sylvestris, acer pseudoplatanus, rhododendron ponticum, teucrium scorodonia, carex pilulifera, vaccinium myrtillus, pteridium aquilinum, juncus effusus, dryopteris dilatata, deschampsia flexuosa, avenella flexuosa, ilex aquifolium, dryopteris carthusiana, athyrium filix-femina, corylus avellana, potentilla indica, betula pubescens, juncus tenuis, calluna vulgaris, agrostis capillaris, hedera helix, convallaria majalis, amelanchier lamarckii, pseudotsuga menziesii, alnus glutinosa, holcus mollis, carpinus betulus, lamium galeobdolon, plantago subulata, polygonatum multiflorum, pilosella aurantiaca, fraxinus excelsior, sambucus nigra, robinia pseudoacacia, urtica dioica, oxalis stricta, anemone nemorosa, holcus lanatus, larix kaempferi, juncus conglomeratus