amaranthus retroflexus, chenopodium album, echinochloa crus-galli, galinsoga parviflora, amaranthus powellii, capsella bursa-pastoris, chaenorhinum minus, convolvulus arvensis, portulaca oleracea, stellaria media, veronica polita, lamium amplexicaule, papaver rhoeas, plantago uliginosa, senecio vulgaris, solanum nigrum, aethusa cynapium, atriplex patula, euphorbia helioscopia, lamium purpureum, oxybasis glauca, persicaria lapathifolia, sonchus oleraceus, tripleurospermum inodorum, erigeron canadensis, galinsoga quadriradiata, poa annua, rorippa sylvestris, setaria pumila, sonchus asper, urtica urens, cirsium arvense