be, arr. nivelles, quercus robur, ranunculus repens, holcus lanatus, lonicera periclymenum, urtica dioica, betula pendula, juncus effusus, fraxinus excelsior, agrostis capillaris, corylus avellana, heracleum sphondylium, sorbus aucuparia, acer pseudoplatanus, quercus rubra, glechoma hederacea, castanea sativa, sambucus nigra, cirsium arvense, teucrium scorodonia, alnus glutinosa, poa trivialis, holcus mollis, angelica sylvestris, galeopsis tetrahit, galium aparine, populus canadensis, prunus serotina, hedera helix, arrhenatherum elatius, salix caprea, filipendula ulmaria, athyrium filix-femina, cirsium palustre, ranunculus acris, cardamine pratensis, geum urbanum, rumex acetosa, polygonatum multiflorum, prunus avium, fagus sylvatica, frangula alnus, carpinus betulus, dryopteris carthusiana, crataegus monogyna, juncus conglomeratus, anthoxanthum odoratum, agrostis stolonifera, anemone nemorosa, silene dioica, hypericum perforatum