text: capsella bursa-pastoris, cirsium arvense, echinochloa crus-galli, sonchus asper, viola arvensis, agrostis stolonifera, amaranthus retroflexus, apera spica-venti, brassica napus, chenopodium album, convolvulus arvensis, elymus repens, galium aparine, persicaria maculosa, polygonum aviculare, tripleurospermum inodorum, veronica persica