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