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