chenopodium album, echinochloa crus-galli, setaria pumila, amaranthus powellii, amaranthus retroflexus, digitaria sanguinalis, panicum miliaceum, viola arvensis, brassica rapa, calystegia sepium, convolvulus arvensis, elymus repens, euphorbia helioscopia, galinsoga parviflora, galium aparine, heliotropium europaeum, persicaria maculosa, plantago major, sonchus asper