hordeum distichon, medicago sativa, atriplex patula, cirsium arvense, equisetum arvense, sonchus asper, stellaria media, artemisia vulgaris, capsella bursa-pastoris, convolvulus arvensis, lamium purpureum, oxalis stricta, polygonum aviculare, raphanus raphanistrum, tripleurospermum inodorum, veronica persica