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