text: triticum aestivum, sonchus arvensis, chenopodium album, elymus repens, fallopia convolvulus, galium aparine, stellaria media, viola arvensis, cirsium arvense, euphorbia helioscopia, lamium hybridum, myosotis arvensis, polygonum aviculare, chaenorhinum minus, fumaria officinalis, tripleurospermum inodorum