be, arr. mechelen, bidens frondosa, quercus rubra, rhododendron ponticum, urtica dioica, prunus serotina, potentilla indica, castanea sativa, alnus glutinosa, crassula helmsii, galanthus nivalis, amelanchier lamarckii, lysimachia vulgaris, impatiens glandulifera, quercus robur, symphytum officinale, lycopus europaeus, lythrum salicaria, phragmites australis, filipendula ulmaria, iris pseudacorus, eupatorium cannabinum, juncus effusus, symphoricarpos albus, alnus incana, fraxinus excelsior, solanum dulcamara, galinsoga quadriradiata, cardamine pratensis, galium aparine, humulus lupulus, ranunculus repens, sambucus nigra, heracleum sphondylium, angelica sylvestris, calystegia sepium, glechoma hederacea, myriophyllum aquaticum, juncus tenuis, arum italicum, galium palustre, populus canadensis, silene dioica, lemna minuta, corylus avellana, cornus sericea, acer pseudoplatanus, viburnum opulus, heracleum mantegazzianum, poa trivialis, geum macrophyllum