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