stellaria media, apera spica-venti, viola arvensis, veronica hederifolia, myosotis arvensis, poa annua, aphanes arvensis, capsella bursa-pastoris, myosurus minimus, tripleurospermum inodorum, arabidopsis thaliana, centaurea cyanus, cerastium holosteoides, chenopodium album, draba verna, thlaspi arvense, veronica agrestis, veronica arvensis