agrostis gigantea, erigeron annuus, poa palustris, artemisia vulgaris, lotus corniculatus, pastinaca sativa, solidago canadensis, achillea millefolium, arctium lappa, poa compressa, cirsium arvense, elymus repens, melilotus albus, populus canadensis, argentina anserina, calamagrostis epigejos, cirsium vulgare, dactylis glomerata, poa pratensis, tripleurospermum inodorum