setaria pumila, tripleurospermum inodorum, elymus repens, capsella bursa-pastoris, echinochloa crus-galli, galinsoga parviflora, galinsoga quadriradiata, myosotis arvensis, persicaria lapathifolia, plantago major, sonchus oleraceus, stellaria media, veronica arvensis, arabidopsis thaliana, artemisia vulgaris, erigeron canadensis, euphorbia helioscopia, trifolium pratense