cirsium arvense, convolvulus arvensis, elymus repens, capsella bursa-pastoris, chenopodium album, cichorium intybus, lactuca serriola, linaria vulgaris, nonea pulla, panicum miliaceum, potentilla inclinata, setaria viridis, stachys annua, stachys palustris, tripleurospermum inodorum, carduus acanthoides, crepis tectorum, erigeron canadensis, scleranthus annuus, sonchus arvensis, vicia cracca