corispermum intermedium, erigeron canadensis, sisymbrium altissimum, polygonum aviculare, diplotaxis muralis, medicago lupulina, melilotus albus, puccinellia distans, senecio viscosus, senecio vulgaris, apera spica-venti, artemisia vulgaris, atriplex prostrata, chenopodium album, lolium perenne, oxybasis rubra, poa annua, rumex acetosella, sonchus asper