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