be, arr. leuven, quercus robur, alnus glutinosa, filipendula ulmaria, populus canadensis, fraxinus excelsior, urtica dioica, angelica sylvestris, corylus avellana, sambucus nigra, ranunculus repens, glechoma hederacea, galium aparine, athyrium filix-femina, poa trivialis, quercus rubra, juncus effusus, acer pseudoplatanus, anemone nemorosa, sorbus aucuparia, lonicera periclymenum, ficaria verna, humulus lupulus, prunus serotina, lysimachia vulgaris, ribes rubrum, cardamine pratensis, heracleum sphondylium, alnus incana, cirsium palustre, phalaris arundinacea, galeopsis tetrahit, iris pseudacorus, primula elatior, polygonatum multiflorum, geum urbanum, viburnum opulus, silene dioica, dryopteris carthusiana, holcus lanatus, galium palustre, carex acutiformis, lycopus europaeus, symphytum officinale, caltha palustris, prunus padus, carex remota, lythrum salicaria, dryopteris dilatata, solanum dulcamara, frangula alnus