apera spica-venti, arnoseris minima, capsella bursa-pastoris, chenopodium album, elymus repens, fallopia convolvulus, rumex acetosella, scleranthus annuus, setaria viridis, spergula arvensis, teesdalia nudicaulis, vicia sativa, viola arvensis, viola tricolor, centaurea cyanus, ornithopus perpusillus, papaver dubium