convolvulus arvensis, cirsium arvense, crepis setosa, fallopia convolvulus, lathyrus tuberosus, sinapis arvensis, sonchus arvensis, vicia sativa, agrostemma githago, centaurea cyanus, daucus carota, euphorbia helioscopia, lathyrus pratensis, ranunculus sardous, rumex acetosella, stachys annua, tanacetum corymbosum, viola tricolor