erigeron canadensis, convolvulus arvensis, lactuca serriola, setaria viridis, achillea collina, amaranthus retroflexus, ambrosia artemisiifolia, chenopodium album, cichorium intybus, diplotaxis muralis, elymus repens, plantago lanceolata, polygonum aviculare, potentilla argentea, reseda lutea, tripleurospermum inodorum