solanum tuberosum, chenopodium album, echinochloa crus-galli, fallopia convolvulus, capsella bursa-pastoris, centaurea cyanus, elymus repens, equisetum arvense, thlaspi arvense, cirsium arvense, erigeron canadensis, gnaphalium uliginosum, matricaria chamomilla, persicaria lapathifolia, polygonum aviculare, setaria pumila, sonchus arvensis