text: chenopodium album, convolvulus arvensis, cynodon dactylon, echinochloa crus-galli, hibiscus trionum, sinapis arvensis, solanum nigrum, amaranthus retroflexus, calystegia sepium, cirsium arvense, daucus carota, elymus repens, galinsoga parviflora, persicaria lapathifolia, poa pratensis, polygonum aviculare, senecio vernalis, setaria viridis, xanthium strumarium