galinsoga parviflora, cirsium arvense, amaranthus albus, elymus repens, lepidium draba, plantago major, erigeron canadensis, lepidium ruderale, linaria vulgaris, setaria verticillata, solanum nigrum, sonchus oleraceus, tripleurospermum inodorum, dactylis glomerata, lolium perenne, lysimachia arvensis, puccinellia distans, rumex acetosella