text: veronica arvensis, veronica hederifolia, cirsium arvense, stellaria media, tripleurospermum inodorum, viola arvensis, apera spica-venti, aphanes arvensis, arabidopsis thaliana, arenaria serpyllifolia, capsella bursa-pastoris, centaurea cyanus, convolvulus arvensis, equisetum arvense, fallopia convolvulus, lapsana communis, myosotis arvensis, myosurus minimus, roemeria argemone, sinapis arvensis, sonchus arvensis, vicia hirsuta