viola arvensis, amaranthus retroflexus, bromus japonicus, atriplex sagittata, convolvulus arvensis, aethusa cynapium, capsella bursa-pastoris, hypericum perforatum, lipandra polysperma, lolium perenne, lotus corniculatus, medicago lupulina, melilotus officinalis, mercurialis annua, setaria viridis, sonchus asper, stellaria media, carduus acanthoides, rubus caesius, senecio vulgaris, stachys annua