text: sinapis arvensis, convolvulus arvensis, vicia sativa, centaurea cyanus, cirsium arvense, fallopia convolvulus, polygonum aviculare, thlaspi arvense, agrostemma githago, anthemis arvensis, chenopodium album, crepis setosa, daucus carota, euphorbia helioscopia, galeopsis speciosa, lycopsis arvensis, neslia paniculata, salvia verticillata, stachys annua, tanacetum corymbosum