text: triticum aestivum, apera spica-venti, viola arvensis, capsella bursa-pastoris, centaurea cyanus, erodium cicutarium, anthemis arvensis, chenopodium album, elymus repens, fallopia convolvulus, geranium pusillum, lycopsis arvensis, papaver dubium, papaver rhoeas, polygonum aviculare, stellaria media, thlaspi arvense, matricaria discoidea, myosotis arvensis, veronica arvensis