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