be, arr. leuven, arrhenatherum elatius, holcus lanatus, rumex acetosa, stellaria graminea, agrostis capillaris, ranunculus repens, ranunculus acris, heracleum sphondylium, centaurea jacea, cerastium fontanum, anthoxanthum odoratum, achillea millefolium, plantago lanceolata, alopecurus pratensis, cirsium arvense, festuca rubra, quercus robur, trifolium pratense, poa trivialis, leucanthemum vulgare, cerastium holosteoides, lathyrus pratensis, dactylis glomerata, lolium perenne, hypericum perforatum, trifolium dubium, trifolium repens, tanacetum vulgare, angelica sylvestris, hypochaeris radicata, vicia cracca, juncus effusus, vicia hirsuta, silene flos-cuculi, glechoma hederacea, carex hirta, equisetum arvense, filipendula ulmaria, luzula campestris, urtica dioica, crepis biennis, hieracium umbellatum, holcus mollis, cardamine pratensis, juncus conglomeratus, poa pratensis, lotus pedunculatus, populus canadensis, phleum pratense, trisetum flavescens