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