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