bromus tectorum, corispermum intermedium, descurainia sophia, erigeron canadensis, melilotus albus, sisymbrium altissimum, echium vulgare, lolium perenne, medicago lupulina, sisymbrium officinale, apera spica-venti, arenaria serpyllifolia, artemisia vulgaris, berteroa incana, chenopodium album, convolvulus arvensis, equisetum arvense, silene vulgaris, spergula arvensis