be, arr. halle-vilvoorde, quercus robur, quercus rubra, lonicera periclymenum, sorbus aucuparia, prunus serotina, betula pendula, castanea sativa, frangula alnus, corylus avellana, acer pseudoplatanus, dryopteris carthusiana, teucrium scorodonia, betula pubescens, molinia caerulea, dryopteris dilatata, sambucus nigra, juncus effusus, pinus sylvestris, athyrium filix-femina, alnus glutinosa, agrostis capillaris, urtica dioica, fraxinus excelsior, fagus sylvatica, populus canadensis, pteridium aquilinum, holcus mollis, polygonatum multiflorum, holcus lanatus, glechoma hederacea, deschampsia flexuosa, vaccinium myrtillus, hedera helix, avenella flexuosa, carex pilulifera, galeopsis tetrahit, anemone nemorosa, angelica sylvestris, salix caprea, ranunculus repens, crataegus monogyna, convallaria majalis, lysimachia vulgaris, moehringia trinervia, cirsium palustre, calluna vulgaris, prunus avium, juncus conglomeratus, populus tremula, viola riviniana