be, arr. leuven, urtica dioica, populus canadensis, cirsium arvense, quercus robur, glechoma hederacea, symphytum officinale, phragmites australis, ranunculus repens, galium aparine, holcus lanatus, poa trivialis, arrhenatherum elatius, heracleum sphondylium, sambucus nigra, angelica sylvestris, galeopsis tetrahit, calystegia sepium, crataegus monogyna, fraxinus excelsior, alnus glutinosa, phalaris arundinacea, agrostis capillaris, eupatorium cannabinum, juncus effusus, rubus caesius, filipendula ulmaria, agrostis stolonifera, cirsium palustre, lycopus europaeus, dactylis glomerata, iris pseudacorus, alopecurus pratensis, solanum dulcamara, acer pseudoplatanus, elymus repens, ranunculus acris, cerastium holosteoides, lysimachia vulgaris, betula pendula, equisetum arvense, anthriscus sylvestris, rumex obtusifolius, lolium perenne, rumex acetosa, festuca rubra, epilobium hirsutum, geum urbanum, cirsium vulgare, lythrum salicaria, calamagrostis epigejos