corispermum intermedium, fallopia convolvulus, digitaria ischaemum, arrhenatherum elatius, artemisia campestris, bromus tectorum, centaurea cyanus, chenopodium album, corynephorus canescens, echinochloa crus-galli, echium vulgare, erigeron canadensis, erodium cicutarium, oenothera biennis, rumex acetosella, setaria viridis, viola arvensis