triticum aestivum, achillea millefolium, convolvulus arvensis, falcaria vulgaris, fallopia convolvulus, knautia arvensis, pimpinella saxifraga, silene vulgaris, sinapis arvensis, arenaria serpyllifolia, carduus acanthoides, centaurea cyanus, chenopodium album, cichorium intybus, cirsium arvense, coronilla varia, daucus carota, euphorbia helioscopia, medicago lupulina, oxalis stricta, papaver rhoeas, rumex crispus, silene latifolia, silene noctiflora, sonchus asper, stachys annua