be, arr. leuven, urtica dioica, populus canadensis, ranunculus repens, filipendula ulmaria, symphytum officinale, poa trivialis, cirsium arvense, phalaris arundinacea, heracleum sphondylium, galium aparine, alopecurus pratensis, angelica sylvestris, holcus lanatus, arrhenatherum elatius, calystegia sepium, glechoma hederacea, phragmites australis, juncus effusus, lythrum salicaria, galeopsis tetrahit, iris pseudacorus, carex acuta, cirsium palustre, lycopus europaeus, alnus glutinosa, rumex acetosa, rumex obtusifolius, cardamine pratensis, equisetum palustre, quercus robur, lysimachia vulgaris, lolium perenne, solanum dulcamara, sambucus nigra, persicaria hydropiper, ranunculus acris, agrostis stolonifera, epilobium hirsutum, persicaria amphibia, glyceria maxima, elymus repens, cerastium fontanum, humulus lupulus, dactylis glomerata, galium palustre, stellaria graminea, impatiens glandulifera, silene flos-cuculi, equisetum arvense, lathyrus pratensis