be, arr. leuven, arrhenatherum elatius, holcus lanatus, ranunculus repens, heracleum sphondylium, lolium perenne, cerastium fontanum, rumex acetosa, poa trivialis, tanacetum vulgare, alopecurus pratensis, cirsium arvense, agrostis capillaris, plantago lanceolata, lolium multiflorum, ranunculus acris, pilosella aurantiaca, lathyrus latifolius, urtica dioica, achillea millefolium, geranium pyrenaicum, populus canadensis, oxalis corniculata, veronica persica, silene coronaria, quercus robur, stellaria graminea, trifolium repens, galinsoga quadriradiata, vicia hirsuta, trifolium pratense, dactylis glomerata, echinochloa crus-galli, prunus serotina, leucanthemum vulgare, juncus effusus, centaurea jacea, equisetum arvense, trifolium dubium, festuca rubra, vicia villosa, melilotus albus, anthoxanthum odoratum, erigeron canadensis, setaria helvola, symphytum officinale, glechoma hederacea, hypericum perforatum, elymus repens, cardamine pratensis, filipendula ulmaria