echinochloa crus-galli, galinsoga parviflora, setaria pumila, amaranthus retroflexus, calystegia sepium, chenopodium album, persicaria maculosa, sonchus oleraceus, stellaria media, capsella bursa-pastoris, convolvulus arvensis, lipandra polysperma, medicago lupulina, polygonum aviculare, solanum nigrum, sonchus asper, trifolium pratense, veronica persica, vicia sepium, euphorbia helioscopia