be, arr. leuven, cirsium arvense, urtica dioica, ranunculus repens, populus canadensis, arrhenatherum elatius, holcus lanatus, glechoma hederacea, phragmites australis, quercus robur, poa trivialis, symphytum officinale, agrostis capillaris, heracleum sphondylium, galium aparine, agrostis stolonifera, ranunculus acris, dactylis glomerata, festuca rubra, crataegus monogyna, calystegia sepium, lolium perenne, rumex acetosa, fraxinus excelsior, angelica sylvestris, cerastium holosteoides, equisetum arvense, juncus effusus, plantago lanceolata, phalaris arundinacea, elymus repens, alopecurus pratensis, trifolium repens, vicia cracca, rubus caesius, sambucus nigra, centaurea jacea, eupatorium cannabinum, achillea millefolium, alnus glutinosa, lathyrus pratensis, carex hirta, cirsium vulgare, galeopsis tetrahit, trifolium pratense, persicaria amphibia, cirsium palustre, hypericum perforatum, filipendula ulmaria, phleum pratense, tanacetum vulgare