text: apera spica-venti, elymus repens, fallopia convolvulus, setaria viridis, arabidopsis thaliana, arenaria serpyllifolia, centaurea cyanus, chenopodium album, draba verna, myosotis arvensis, papaver dubium, roemeria argemone, scleranthus annuus, veronica arvensis, veronica triphyllos, vicia hirsuta, vicia sativa, artemisia vulgaris