stellaria media, apera spica-venti, arabidopsis thaliana, capsella bursa-pastoris, tripleurospermum inodorum, veronica triphyllos, thlaspi arvense, veronica hederifolia, viola arvensis, cerastium holosteoides, descurainia sophia, draba verna, lamium amplexicaule, myosotis stricta, veronica arvensis, vicia hirsuta