text: apera spica-venti, veronica hederifolia, veronica triphyllos, viola arvensis, aphanes arvensis, arabidopsis thaliana, draba verna, fallopia convolvulus, trifolium arvense, veronica arvensis, vicia sativa, chenopodium album, raphanus raphanistrum, roemeria argemone, scleranthus annuus, tripleurospermum inodorum