triticum aestivum, elymus repens, euphorbia helioscopia, persicaria lapathifolia, stellaria media, fallopia convolvulus, galium spurium, polygonum aviculare, tussilago farfara, veronica persica, chenopodium album, convolvulus arvensis, erysimum cheiranthoides, lamium hybridum, melilotus albus, rumex crispus, sonchus arvensis, tripleurospermum inodorum