apera spica-venti, corispermum intermedium, melilotus albus, arenaria serpyllifolia, capsella bursa-pastoris, chenopodium album, descurainia sophia, echium vulgare, elymus repens, equisetum arvense, erigeron canadensis, fallopia convolvulus, lolium perenne, poa annua, poa compressa, senecio vulgaris, sisymbrium altissimum, tripleurospermum inodorum, viola arvensis