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