text: centaurea cyanus, vicia hirsuta, apera spica-venti, myosotis arvensis, poa annua, veronica hederifolia, vicia sativa, viola arvensis, aphanes arvensis, cirsium arvense, equisetum arvense, fallopia convolvulus, galeopsis speciosa, lamium amplexicaule, lamium purpureum, mentha arvensis, persicaria amphibia, senecio vulgaris, veronica arvensis, vicia tetrasperma