be, arr. leuven, urtica dioica, phalaris arundinacea, cirsium arvense, galium aparine, symphytum officinale, calystegia sepium, phragmites australis, poa trivialis, filipendula ulmaria, ranunculus repens, lythrum salicaria, alopecurus pratensis, glechoma hederacea, arrhenatherum elatius, lycopus europaeus, iris pseudacorus, galeopsis tetrahit, heracleum sphondylium, solanum dulcamara, epilobium hirsutum, persicaria amphibia, elymus repens, holcus lanatus, rumex obtusifolius, angelica sylvestris, anthriscus sylvestris, lysimachia vulgaris, dactylis glomerata, populus canadensis, thalictrum flavum, juncus effusus, agrostis stolonifera, carex riparia, impatiens glandulifera, stachys palustris, carex acuta, lathyrus pratensis, glyceria maxima, humulus lupulus, vicia cracca, eupatorium cannabinum, rumex crispus, galium palustre, persicaria hydropiper, rumex acetosa, carex acutiformis, stellaria media, cirsium palustre, alnus glutinosa, equisetum arvense