text: apera spica-venti, elymus repens, equisetum arvense, tripleurospermum inodorum, tussilago farfara, veronica hederifolia, capsella bursa-pastoris, centaurea cyanus, draba verna, euphorbia helioscopia, fallopia convolvulus, myosotis arvensis, papaver dubium, roemeria argemone, rumex crispus, sinapis arvensis, sonchus arvensis, stellaria media, thlaspi arvense, valerianella dentata, veronica arvensis, veronica persica, vicia hirsuta, viola arvensis, chenopodium album, lamium purpureum