be, arr. leuven, ranunculus repens, holcus lanatus, urtica dioica, quercus robur, alopecurus pratensis, arrhenatherum elatius, rumex acetosa, heracleum sphondylium, poa trivialis, ranunculus acris, agrostis capillaris, cirsium arvense, filipendula ulmaria, angelica sylvestris, glechoma hederacea, juncus effusus, phalaris arundinacea, galium aparine, stellaria graminea, populus canadensis, galeopsis tetrahit, plantago lanceolata, dactylis glomerata, cirsium palustre, alnus glutinosa, symphytum officinale, tanacetum vulgare, lolium perenne, festuca rubra, achillea millefolium, rumex obtusifolius, cerastium holosteoides, elymus repens, agrostis stolonifera, silene flos-cuculi, anthoxanthum odoratum, cardamine pratensis, trifolium repens, lythrum salicaria, holcus mollis, lysimachia vulgaris, lotus pedunculatus, calystegia sepium, vicia cracca, lathyrus pratensis, trifolium pratense, equisetum palustre, fraxinus excelsior, equisetum arvense, centaurea jacea