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