beta vulgaris, convolvulus arvensis, sonchus asper, stellaria media, amaranthus retroflexus, cirsium arvense, lipandra polysperma, persicaria lapathifolia, sinapis arvensis, veronica persica, viola arvensis, avena fatua, campanula rapunculoides, capsella bursa-pastoris, centaurea cyanus, euphorbia exigua, euphorbia helioscopia, galium spurium, knautia arvensis, lamium amplexicaule, lapsana communis, lysimachia arvensis, medicago lupulina, papaver rhoeas, thlaspi arvense, veronica polita