centaurea cyanus, cirsium arvense, fallopia convolvulus, galeopsis tetrahit, myosotis arvensis, tripleurospermum inodorum, vicia hirsuta, apera spica-venti, capsella bursa-pastoris, glechoma hederacea, plantago major, polygonum aviculare, roemeria argemone, scleranthus annuus, sonchus arvensis, spergula arvensis, stellaria media, thlaspi arvense, veronica arvensis, veronica hederifolia, vicia sativa, viola arvensis