echinochloa crus-galli, poa annua, setaria viridis, solanum nigrum, spergula arvensis, chenopodium album, galinsoga parviflora, persicaria lapathifolia, persicaria maculosa, rumex acetosella, setaria pumila, stellaria media, agrostis stolonifera, arnoseris minima, capsella bursa-pastoris, digitaria ischaemum, erodium cicutarium, fallopia convolvulus, ornithopus perpusillus, polygonum aviculare