text: chenopodium album, digitaria sanguinalis, echinochloa crus-galli, setaria viridis, capsella bursa-pastoris, galinsoga parviflora, helianthus tuberosus, amaranthus retroflexus, convolvulus arvensis, erodium cicutarium, erysimum cheiranthoides, fallopia convolvulus, geranium molle, persicaria lapathifolia, spergula arvensis, urtica urens, viola arvensis