be, arr. leuven, quercus robur, lonicera periclymenum, corylus avellana, betula pendula, fagus sylvatica, sorbus aucuparia, betula pubescens, frangula alnus, castanea sativa, acer pseudoplatanus, vaccinium myrtillus, pteridium aquilinum, molinia caerulea, fraxinus excelsior, hedera helix, calluna vulgaris, anemone nemorosa, deschampsia flexuosa, athyrium filix-femina, teucrium scorodonia, avenella flexuosa, carex pilulifera, alnus glutinosa, polygonatum multiflorum, juncus effusus, carpinus betulus, pinus sylvestris, luzula pilosa, quercus petraea, dryopteris carthusiana, potentilla erecta, prunus avium, holcus mollis, ilex aquifolium, dryopteris dilatata, holcus lanatus, cirsium palustre, populus tremula, sambucus nigra, anthoxanthum odoratum, agrostis capillaris, luzula multiflora, quercus rubra, salix caprea, ranunculus repens, convallaria majalis, lamium galeobdolon, viola riviniana, juncus conglomeratus, lysimachia vulgaris