chenopodium album, viola arvensis, agrostemma githago, amaranthus retroflexus, chenopodiastrum hybridum, descurainia sophia, diplotaxis muralis, erigeron canadensis, euphorbia helioscopia, fallopia convolvulus, galium aparine, galium spurium, lamium amplexicaule, papaver rhoeas, persicaria lapathifolia, polygonum aviculare, stellaria media, thlaspi arvense, veronica polita, cirsium arvense