be, arr. leuven, urtica dioica, phalaris arundinacea, symphytum officinale, ranunculus repens, poa trivialis, calystegia sepium, cirsium arvense, bidens frondosa, galium aparine, phragmites australis, glechoma hederacea, filipendula ulmaria, lythrum salicaria, heracleum sphondylium, iris pseudacorus, arrhenatherum elatius, alopecurus pratensis, lysimachia vulgaris, glyceria maxima, lycopus europaeus, holcus lanatus, solanum dulcamara, humulus lupulus, persicaria amphibia, juncus effusus, populus canadensis, alnus glutinosa, persicaria hydropiper, dactylis glomerata, tanacetum vulgare, carex acuta, elymus repens, galeopsis tetrahit, sambucus nigra, agrostis stolonifera, impatiens glandulifera, angelica sylvestris, rumex obtusifolius, epilobium hirsutum, galium palustre, stachys palustris, quercus robur, anthriscus sylvestris, cardamine pratensis, equisetum arvense, rumex acetosa, fraxinus excelsior, lolium perenne, rorippa amphibia, vicia cracca