be, arr. leuven, urtica dioica, filipendula ulmaria, populus canadensis, angelica sylvestris, ranunculus repens, juncus effusus, phalaris arundinacea, cirsium palustre, holcus lanatus, quercus robur, galium aparine, alnus glutinosa, poa trivialis, iris pseudacorus, galeopsis tetrahit, lysimachia vulgaris, lythrum salicaria, symphytum officinale, alopecurus pratensis, phragmites australis, cirsium arvense, lycopus europaeus, glechoma hederacea, solanum dulcamara, calystegia sepium, galium palustre, carex acuta, equisetum palustre, cardamine pratensis, rumex acetosa, heracleum sphondylium, arrhenatherum elatius, persicaria hydropiper, humulus lupulus, sambucus nigra, ranunculus acris, stellaria graminea, silene flos-cuculi, agrostis capillaris, rumex obtusifolius, agrostis stolonifera, fraxinus excelsior, lotus pedunculatus, glyceria maxima, persicaria amphibia, carex acutiformis, cerastium fontanum, myosotis scorpioides, calamagrostis canescens, caltha palustris