convolvulus arvensis, lactuca serriola, chenopodium album, erigeron canadensis, medicago lupulina, polygonum aviculare, setaria viridis, sonchus asper, arenaria serpyllifolia, capsella bursa-pastoris, cirsium arvense, euphorbia helioscopia, galium spurium, lamium amplexicaule, senecio vulgaris, solanum nigrum, stellaria media, verbena officinalis, veronica hederifolia, veronica persica, veronica polita