text: elymus repens, apera spica-venti, fallopia convolvulus, setaria viridis, arabidopsis thaliana, centaurea cyanus, chenopodium album, cota tinctoria, draba verna, myosotis arvensis, myosotis stricta, scleranthus annuus, stellaria media, trifolium arvense, veronica arvensis, veronica triphyllos, veronica verna, vicia hirsuta, vicia sativa, viola arvensis, crepis tectorum