stellaria media, tripleurospermum inodorum, apera spica-venti, poa annua, viola arvensis, aphanes arvensis, arabidopsis thaliana, capsella bursa-pastoris, draba verna, elymus repens, lamium amplexicaule, lycopsis arvensis, thlaspi arvense, veronica arvensis, veronica triphyllos, veronica persica, vicia hirsuta