sonchus asper, sonchus oleraceus, euphorbia helioscopia, euphorbia peplus, mercurialis annua, senecio vulgaris, capsella bursa-pastoris, convolvulus arvensis, dactylis glomerata, hordeum murinum, lepidium didymum, lysimachia arvensis, poa annua, solanum nigrum, stellaria media, veronica agrestis, veronica persica, veronica polita