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