chenopodium album, echinochloa crus-galli, cucumis sativus, galinsoga parviflora, amaranthus powellii, cirsium arvense, convolvulus arvensis, elymus repens, equisetum arvense, galium spurium, setaria pumila, setaria viridis, stachys palustris, tripleurospermum inodorum, artemisia vulgaris, capsella bursa-pastoris, carduus acanthoides, erodium cicutarium, euphorbia helioscopia, geranium pusillum, papaver rhoeas