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