scleranthus annuus, centaurea cyanus, chenopodium album, fallopia convolvulus, spergula arvensis, veronica hederifolia, capsella bursa-pastoris, elymus repens, medicago lupulina, stellaria media, vicia hirsuta, viola arvensis, lamium amplexicaule, lycopsis arvensis, senecio vulgaris, veronica arvensis, vicia sativa