be, arr. nivelles, urtica dioica, fraxinus excelsior, alnus glutinosa, ranunculus repens, poa trivialis, galium aparine, juncus effusus, filipendula ulmaria, quercus robur, phalaris arundinacea, lythrum salicaria, holcus lanatus, glechoma hederacea, solanum dulcamara, galium palustre, symphytum officinale, phragmites australis, cardamine pratensis, sambucus nigra, corylus avellana, agrostis stolonifera, carex acuta, glyceria fluitans, angelica sylvestris, lysimachia vulgaris, calystegia sepium, athyrium filix-femina, lycopus europaeus, carex acutiformis, iris pseudacorus, geum urbanum, acer pseudoplatanus, heracleum sphondylium, equisetum palustre, alopecurus pratensis, epilobium hirsutum, lonicera periclymenum, deschampsia cespitosa, cirsium palustre, cirsium arvense, galeopsis tetrahit, humulus lupulus, ficaria verna, glyceria maxima, myosotis scorpioides, lemna minor, circaea lutetiana, viburnum opulus, persicaria amphibia, lysimachia nummularia