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