lolium perenne, achillea millefolium, lactuca saligna, lepidium draba, plantago major, lotus corniculatus, plantago lanceolata, salvia nemorosa, amaranthus retroflexus, chenopodium album, dactylis glomerata, erigeron canadensis, lathyrus tuberosus, polygonum aviculare, sonchus asper, symphytum officinale