be, arr. leuven, populus canadensis, urtica dioica, cirsium arvense, quercus robur, symphytum officinale, arrhenatherum elatius, glechoma hederacea, heracleum sphondylium, ranunculus repens, holcus lanatus, poa trivialis, alopecurus pratensis, phragmites australis, galium aparine, angelica sylvestris, phalaris arundinacea, filipendula ulmaria, calystegia sepium, fraxinus excelsior, galeopsis tetrahit, crataegus monogyna, alnus glutinosa, dactylis glomerata, sambucus nigra, agrostis capillaris, ranunculus acris, rumex acetosa, elymus repens, lythrum salicaria, juncus effusus, equisetum arvense, iris pseudacorus, tanacetum vulgare, vicia cracca, lysimachia vulgaris, cirsium palustre, anthriscus sylvestris, humulus lupulus, agrostis stolonifera, solanum dulcamara, persicaria amphibia, rubus caesius, lathyrus pratensis, carex acuta, festuca rubra, betula pendula, prunus serotina, lolium perenne, geum urbanum, plantago lanceolata