be, arr. leuven, urtica dioica, phragmites australis, cirsium arvense, galium aparine, phalaris arundinacea, poa trivialis, calystegia sepium, lycopus europaeus, holcus lanatus, solanum dulcamara, ranunculus repens, glechoma hederacea, quercus robur, alnus glutinosa, galeopsis tetrahit, eupatorium cannabinum, iris pseudacorus, epilobium hirsutum, sambucus nigra, lythrum salicaria, agrostis stolonifera, symphytum officinale, elymus repens, dactylis glomerata, lysimachia vulgaris, heracleum sphondylium, arrhenatherum elatius, humulus lupulus, fraxinus excelsior, juncus effusus, rubus caesius, angelica sylvestris, rumex obtusifolius, agrostis capillaris, crataegus monogyna, filipendula ulmaria, salix cinerea, anthriscus sylvestris, galium palustre, glyceria maxima, stachys palustris, equisetum arvense, stellaria media, populus canadensis, calamagrostis canescens, persicaria amphibia, lolium perenne, cerastium holosteoides, cirsium palustre, alopecurus pratensis