atriplex calotheca, chenopodium album, atriplex patula, sonchus asper, sonchus oleraceus, artemisia vulgaris, descurainia sophia, echinochloa crus-galli, elymus repens, erigeron canadensis, oxybasis rubra, persicaria lapathifolia, phragmites australis, senecio viscosus, setaria viridis, solanum nigrum