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