corispermum intermedium, erigeron canadensis, agrostis capillaris, artemisia campestris, artemisia vulgaris, berteroa incana, carex arenaria, chenopodium album, corynephorus canescens, daucus carota, elymus repens, equisetum arvense, fallopia convolvulus, knautia arvensis, melilotus albus, poa annua, poa compressa, rubus caesius, rumex acetosella, sisymbrium altissimum, trifolium arvense