be, arr. leuven, hordeum vulgare, heracleum sphondylium, dactylis glomerata, brassica napus, vicia faba, triticum aestivum, cirsium arvense, urtica dioica, crataegus monogyna, arrhenatherum elatius, convolvulus arvensis, holcus lanatus, achillea millefolium, plantago lanceolata, galium aparine, prunus spinosa, ranunculus repens, poa trivialis, panicum miliaceum, potentilla reptans, lotus corniculatus, galium mollugo, lolium perenne, trifolium repens, lathyrus tuberosus, centaurea nigra, reseda lutea, avena sativa, hedera helix, galium verum, agrimonia eupatoria, origanum vulgare, clematis vitalba, daucus carota, fagopyrum esculentum, glechoma hederacea, phacelia tanacetifolia, fraxinus excelsior, trifolium pratense, ranunculus acris, geranium dissectum, lamium album, cornus sanguinea, primula veris, ligustrum vulgare, rumex acetosa, beta vulgaris, jacobaea vulgaris, centaurea scabiosa, anthriscus sylvestris