be, arr. halle-vilvoorde, quercus robur, ranunculus repens, juncus effusus, holcus lanatus, urtica dioica, populus canadensis, angelica sylvestris, filipendula ulmaria, cardamine pratensis, prunus serotina, quercus rubra, heracleum sphondylium, poa trivialis, alnus glutinosa, cirsium palustre, glechoma hederacea, fraxinus excelsior, lonicera periclymenum, sambucus nigra, sorbus aucuparia, corylus avellana, acer pseudoplatanus, agrostis capillaris, castanea sativa, rumex acetosa, cirsium arvense, galium aparine, equisetum palustre, galeopsis tetrahit, alopecurus pratensis, arrhenatherum elatius, ranunculus acris, juncus acutiflorus, cerastium fontanum, betula pendula, athyrium filix-femina, lysimachia vulgaris, lythrum salicaria, agrostis stolonifera, ajuga reptans, symphytum officinale, lotus pedunculatus, anthoxanthum odoratum, dryopteris carthusiana, anemone nemorosa, lolium perenne, ficaria verna, silene flos-cuculi, galium palustre, holcus mollis