brassica napus, geranium pusillum, viola arvensis, bromus sterilis, capsella bursa-pastoris, cirsium arvense, cota austriaca, elymus repens, hordeum distichon, lamium purpureum, papaver rhoeas, thlaspi arvense, tripleurospermum inodorum, arctium tomentosum, convolvulus arvensis, fallopia convolvulus, myosotis arvensis