be, arr. leuven, populus canadensis, arrhenatherum elatius, urtica dioica, ranunculus repens, cirsium arvense, heracleum sphondylium, holcus lanatus, angelica sylvestris, symphytum officinale, alopecurus pratensis, filipendula ulmaria, poa trivialis, glechoma hederacea, quercus robur, galium aparine, calystegia sepium, phalaris arundinacea, galeopsis tetrahit, juncus effusus, rumex acetosa, phragmites australis, ranunculus acris, tanacetum vulgare, stellaria graminea, lythrum salicaria, alnus glutinosa, agrostis capillaris, lolium perenne, cirsium palustre, cerastium fontanum, iris pseudacorus, cardamine pratensis, lathyrus pratensis, sambucus nigra, dactylis glomerata, vicia cracca, lysimachia vulgaris, lycopus europaeus, persicaria amphibia, elymus repens, rumex obtusifolius, carex acuta, equisetum arvense, plantago lanceolata, rumex crispus, agrostis stolonifera, carex hirta, crataegus monogyna, achillea millefolium, trifolium repens