triticum aestivum, veronica agrestis, viola arvensis, atriplex patula, capsella bursa-pastoris, chaenorhinum minus, chenopodium album, cirsium arvense, elymus repens, equisetum arvense, erysimum cheiranthoides, euphorbia helioscopia, fallopia convolvulus, galium aparine, lamium purpureum, medicago lupulina, myosotis arvensis, plantago major, polygonum aviculare, silene noctiflora, sonchus asper, stachys palustris, stellaria media, tripleurospermum inodorum