text: mercurialis annua, amaranthus retroflexus, portulaca oleracea, calendula arvensis, chenopodium album, cichorium intybus, convolvulus arvensis, diplotaxis erucoides, echinochloa crus-galli, euphorbia falcata, geranium rotundifolium, heliotropium europaeum, lolium multiflorum, lysimachia arvensis, pastinaca sativa, polygonum aviculare, setaria viridis, sonchus asper, veronica persica