euphorbia peplus, amaranthus retroflexus, arctium minus, artemisia annua, atriplex oblongifolia, ballota nigra, chenopodiastrum hybridum, chenopodium album, chenopodium opulifolium, erigeron canadensis, euphorbia helioscopia, galinsoga parviflora, lipandra polysperma, lysimachia arvensis, malva pusilla, malva sylvestris, oxybasis urbica, persicaria maculosa, plantago major, rumex obtusifolius, senecio vernalis, sisymbrium officinale, solanum nigrum, sonchus arvensis, stellaria media, veronica opaca, veronica polita